diff --git a/client/package.json b/client/package.json
index a1716135d2b..5e5d3a8af76 100644
--- a/client/package.json
+++ b/client/package.json
@@ -35,6 +35,7 @@
     "@pinia/testing": "^0.0.14",
     "@popperjs/core": "^2.11.5",
     "@sentry/browser": "^6.17.4",
+    "@types/d3": "^7.4.0",
     "@vue/runtime-dom": "^3.2.45",
     "@vueuse/core": "https://github.com/mvdbeek/vueuse/releases/download/v9.3.0-useCapture/vueuse-core-v9.3.0.tgz",
     "assert": "^2.0.0",
@@ -46,7 +47,7 @@
     "citation-js": "^0.6.4",
     "core-js": "^3.21.0",
     "csv-parse": "^5.3.0",
-    "d3": "3",
+    "d3": "^7.8.0",
     "d3-zoom": "^3.0.0",
     "date-fns": "^2.28.0",
     "date-fns-tz": "^1.3.3",
diff --git a/client/src/components/ToolRecommendation.vue b/client/src/components/ToolRecommendation.vue
index f268ba82dff..5dac7555378 100644
--- a/client/src/components/ToolRecommendation.vue
+++ b/client/src/components/ToolRecommendation.vue
@@ -95,7 +95,7 @@ export default {
             svgElem.setAttribute("viewBox", -translateX + " 0 " + 0.5 * clientW + " " + clientH);
             svgElem.setAttribute("preserveAspectRatio", "xMidYMid meet");
 
-            const tree = d3.layout.tree().size([clientH, clientW]);
+            const tree = d3.tree().size([clientH, clientW]);
             const diagonal = d3.svg.diagonal().projection((d) => {
                 return [d.y, d.x];
             });
diff --git a/client/src/components/Workflow/Editor/ConnectionMenu.vue b/client/src/components/Workflow/Editor/ConnectionMenu.vue
new file mode 100644
index 00000000000..97b8de0b989
--- /dev/null
+++ b/client/src/components/Workflow/Editor/ConnectionMenu.vue
@@ -0,0 +1,107 @@
+<template>
+    <b-list-group ref="menu" id="input-choices-menu" role="menu" @keyup.down="increment" @keyup.up="decrement">
+        <b-list-group-item
+            v-for="(input, index) in allElements"
+            role="menu-item"
+            ref="menuItem"
+            @click="toggleConnection(input)"
+            @keyup.enter="toggleConnection(input)"
+            @focus="activeElement = index"
+            :tabindex="index + 1"
+            :active="activeElement === index">
+            {{ input.connected ? "Disconnect" : "Connect" }} to {{ input.inputLabel }}
+        </b-list-group-item>
+    </b-list-group>
+</template>
+<script lang="ts" setup>
+import { useWorkflowStepStore } from "@/stores/workflowStepStore";
+import { computed, nextTick, onMounted, ref, watch, type ComputedRef } from "vue";
+import { type OutputTerminals, type InputTerminals, terminalFactory } from "./modules/terminals";
+import { useFocusWithin } from "@/composables/useActiveElement";
+
+const props = defineProps<{
+    terminal: OutputTerminals;
+}>();
+
+const menu = ref();
+const { focused } = useFocusWithin(menu);
+
+const activeElement = ref(0);
+const menuItem = ref<HTMLLIElement[]>();
+const emit = defineEmits<{ (e: "closeMenu", value: boolean): void }>();
+
+onMounted(() => {
+    menuItem.value![0].focus();
+});
+
+watch(focused, (focused) => {
+    if (!focused) {
+        emit("closeMenu", true);
+    }
+});
+
+const stepStore = useWorkflowStepStore();
+
+interface InputObject {
+    stepId: number;
+    inputName: string;
+    inputLabel: string;
+    connected: boolean;
+}
+
+function increment() {
+    console.log("incr");
+    activeElement.value += 1;
+    activeElement.value = Math.min(activeElement.value, menuItem.value!.length - 1);
+    menuItem.value![activeElement.value].focus();
+}
+
+function decrement() {
+    console.log("decr");
+    activeElement.value = Math.max(activeElement.value - 1, 0);
+    menuItem.value![activeElement.value].focus();
+}
+
+function terminalToInputObject(terminal: InputTerminals, connected: boolean): InputObject {
+    const step = stepStore.getStep(terminal.stepId);
+    const inputLabel = `${terminal.name} in step ${step.id + 1}: ${step.label}`;
+    return { stepId: step.id, inputName: terminal.name, inputLabel, connected };
+}
+
+function inputObjectToTerminal(inputObject: InputObject): InputTerminals {
+    const inputSource = stepStore
+        .getStep(inputObject.stepId)
+        .inputs.find((input) => input.name == inputObject.inputName)!;
+    return terminalFactory(inputObject.stepId, inputSource, props.terminal.datatypesMapper);
+}
+
+const validInputs: ComputedRef<InputObject[]> = computed(() => {
+    const inputTerminals = props.terminal.validInputTerminals();
+    return inputTerminals.map((inputTerminal) => terminalToInputObject(inputTerminal, false));
+});
+
+const connectedInputs: ComputedRef<InputObject[]> = computed(() => {
+    const inputTerminals = props.terminal.getConnectedTerminals();
+    return inputTerminals.map((inputTerminal) => terminalToInputObject(inputTerminal, true));
+});
+
+const allElements = computed(() => {
+    const allElements = [...connectedInputs.value, ...validInputs.value];
+    allElements.sort((elementA, elementB) => {
+        const stepIdSort = elementA.stepId - elementB.stepId;
+        if (stepIdSort === 0) {
+            return (elementA.inputLabel || elementA.inputName) < (elementB.inputLabel || elementB.inputName) ? -1 : 1;
+        }
+        return stepIdSort;
+    });
+    return allElements;
+});
+
+function toggleConnection(inputObject: InputObject) {
+    if (inputObject.connected) {
+        inputObjectToTerminal(inputObject).disconnect(props.terminal);
+    } else {
+        inputObjectToTerminal(inputObject).connect(props.terminal);
+    }
+}
+</script>
diff --git a/client/src/components/Workflow/Editor/Connector.vue b/client/src/components/Workflow/Editor/Connector.vue
index e313706ea63..24f0fdb7e58 100644
--- a/client/src/components/Workflow/Editor/Connector.vue
+++ b/client/src/components/Workflow/Editor/Connector.vue
@@ -1,58 +1,72 @@
 <template>
     <g class="ribbon">
-        <path class="ribbon-outer" :d="line" stroke-width="6" fill="none"></path>
-        <path class="ribbon-inner" :d="line" stroke-width="4" fill="none"></path>
+        <g v-for="line in paths">
+            <path class="ribbon-outer" :d="line" :stroke-width="stroke.outerStroke" fill="none"></path>
+            <path class="ribbon-inner" :d="line" :stroke-width="stroke.innerStroke" fill="none"></path>
+        </g>
     </g>
 </template>
-<script>
-import { svg } from "d3";
+<script lang="ts" setup>
+import { line, curveBasis } from "d3";
+import { computed } from "vue";
+import type { TerminalPosition } from "@/stores/workflowEditorStateStore";
 
-export default {
-    props: {
-        id: {
-            type: String,
-            required: false,
-        },
-        position: {
-            type: Object,
-            required: true,
-        },
-    },
-    data() {
-        return {
-            lineShift: 30,
-        };
-    },
-    computed: {
-        offsetStart() {
-            return 0;
-        },
-        offsetEnd() {
-            return 0;
-        },
-        lineData() {
-            const data = [
-                { x: this.position.startX, y: this.position.startY + this.offsetStart },
-                { x: this.position.startX + this.lineShift, y: this.position.startY + this.offsetStart },
-                { x: this.position.endX - this.lineShift, y: this.position.endY + this.offsetEnd },
-                { x: this.position.endX, y: this.position.endY + this.offsetEnd },
-            ];
-            return data;
-        },
-        path() {
-            return svg
-                .line()
-                .x(function (d) {
-                    return d.x;
-                })
-                .y(function (d) {
-                    return d.y;
-                })
-                .interpolate("basis");
-        },
-        line() {
-            return this.path(this.lineData);
-        },
-    },
-};
+const props = withDefaults(
+    defineProps<{
+        id?: string;
+        position: TerminalPosition;
+        inputIsMappedOver: boolean;
+        outputIsMappedOver: boolean;
+    }>(),
+    {
+        inputIsMappedOver: false,
+        outputIsMappedOver: false,
+    }
+);
+
+const path = line().curve(curveBasis);
+
+const ribbonMargin = 4;
+const lineShift = 30;
+
+const stroke = computed(() => {
+    let innerStroke = 4;
+    let outerStroke = 6;
+    if (props.outputIsMappedOver || props.inputIsMappedOver) {
+        innerStroke = 1;
+        outerStroke = 3;
+    }
+    return { innerStroke, outerStroke };
+});
+
+const offsets = computed(() => {
+    const _offsets = [-2 * ribbonMargin, -ribbonMargin, 0, ribbonMargin, 2 * ribbonMargin];
+    let startOffsets = [0];
+    let endOffsets = [0];
+    let numOffsets = 1;
+
+    if (props.outputIsMappedOver) {
+        startOffsets = _offsets;
+        numOffsets = _offsets.length;
+    }
+    if (props.inputIsMappedOver) {
+        endOffsets = _offsets;
+        numOffsets = _offsets.length;
+    }
+    return { numOffsets, startOffsets, endOffsets };
+});
+
+const paths = computed(() => {
+    const lines = [...Array(offsets.value.numOffsets).keys()].map((offsetIndex) => {
+        const startOffset = offsets.value.startOffsets[offsetIndex] || 0;
+        const endOffset = offsets.value.endOffsets[offsetIndex] || 0;
+        return [
+            [props.position.startX, props.position.startY + startOffset],
+            [props.position.startX + lineShift, props.position.startY + startOffset],
+            [props.position.endX - lineShift, props.position.endY + endOffset],
+            [props.position.endX, props.position.endY + endOffset],
+        ] as [number, number][];
+    });
+    return lines.map((line) => path(line)!);
+});
 </script>
diff --git a/client/src/components/Workflow/Editor/Index.vue b/client/src/components/Workflow/Editor/Index.vue
index bf6b177ccc3..664572de148 100644
--- a/client/src/components/Workflow/Editor/Index.vue
+++ b/client/src/components/Workflow/Editor/Index.vue
@@ -206,7 +206,8 @@ import { useConnectionStore } from "@/stores/workflowConnectionStore";
 
 import Vue from "vue";
 import { ConfirmDialog } from "composables/confirmDialog";
-import { useWorkflowStepStore } from "stores/workflowStepStore";
+import { useWorkflowStepStore } from "@/stores/workflowStepStore";
+import { useWorkflowStateStore } from "@/stores/workflowEditorStateStore";
 import { storeToRefs } from "pinia";
 import { useDatatypesMapper } from "@/composables/datatypesMapper";
 
@@ -257,14 +258,20 @@ export default {
         const connectionsStore = useConnectionStore();
         const stepStore = useWorkflowStepStore();
         const { getStepIndex, steps } = storeToRefs(stepStore);
+        const stateStore = useWorkflowStateStore();
+        const { nodes, activeNode, activeNodeId } = storeToRefs(stateStore);
         return {
             connectionsStore,
             stepStore,
             steps: steps,
             nodeIndex: getStepIndex,
             datatypes,
+            activeNode,
+            activeNodeId,
+            nodes,
             datatypesMapper,
             datatypesMapperLoading,
+            stateStore,
         };
     },
     data() {
@@ -297,9 +304,6 @@ export default {
         };
     },
     computed: {
-        nodes() {
-            return this.$store.getters["workflowState/getNodes"];
-        },
         showAttributes() {
             return this.showInPanel == "attributes";
         },
@@ -309,13 +313,6 @@ export default {
         postJobActions() {
             return this.activeNode.postJobActions;
         },
-        activeNode() {
-            // TODO: replace usage of this with just data ?
-            return this.nodes[this.activeNodeId];
-        },
-        activeNodeId() {
-            return this.$store.getters["workflowState/getActiveNode"];
-        },
         activeNodeName() {
             return this.activeNode?.name;
         },
@@ -496,7 +493,7 @@ export default {
                 tool_state: JSON.parse(JSON.stringify(node.tool_state)),
                 post_job_actions: JSON.parse(JSON.stringify(node.postJobActions)),
             });
-            this.$store.commit("workflowState/setActiveNode", id);
+            this.stateStore.setActiveNode(id);
         },
         onInsertTool(tool_id, tool_name) {
             this._insertStep(tool_id, tool_name, "tool");
@@ -569,11 +566,11 @@ export default {
         },
         onAttributes() {
             this._ensureParametersSet();
-            this.$store.commit("workflowState/setActiveNode", null);
+            this.stateStore.setActiveNode(null);
             this.showInPanel = "attributes";
         },
         onWorkflowTextEditor() {
-            this.$store.commit("workflowState/setActiveNode", null);
+            this.stateStore.setActiveNode(null);
             this.showInPanel = "attributes";
         },
         onAnnotation(nodeId, newAnnotation) {
@@ -689,7 +686,7 @@ export default {
                 type: type,
                 position: defaultPosition(this.graphOffset, this.transform),
             });
-            this.$store.commit("workflowState/setActiveNode", this.nodeIndex);
+            this.stateStore.setActiveNode(this.nodeIndex);
         },
         async _loadEditorData(data) {
             const report = data.report || {};
diff --git a/client/src/components/Workflow/Editor/Node.vue b/client/src/components/Workflow/Editor/Node.vue
index 2454ed44f90..77d653a2811 100644
--- a/client/src/components/Workflow/Editor/Node.vue
+++ b/client/src/components/Workflow/Editor/Node.vue
@@ -114,6 +114,7 @@ import DraggableWrapper from "./DraggablePan";
 import { ActiveOutputs } from "./modules/outputs";
 import { computed, inject, reactive, ref } from "vue";
 import { useElementBounding } from "@vueuse/core";
+import { useWorkflowStateStore } from "@/stores/workflowEditorStateStore";
 
 Vue.use(BootstrapVue);
 
@@ -171,7 +172,8 @@ export default {
         const position = reactive(useElementBounding(el, { windowResize: false }));
         const transform = inject("transform");
         const postJobActions = computed(() => props.step.post_job_actions || {});
-        return { el, position, transform, nodeIOKey, postJobActions };
+        const stateStore = useWorkflowStateStore();
+        return { el, position, transform, nodeIOKey, postJobActions, stateStore };
     },
     data() {
         return {
@@ -246,7 +248,7 @@ export default {
         },
     },
     created() {
-        this.$store.commit("workflowState/setNode", this);
+        this.stateStore.setNode(this);
         this.activeOutputs = new ActiveOutputs();
         this.content_id = this.contentId;
         // initialize node data
@@ -257,7 +259,7 @@ export default {
         }
     },
     beforeDestroy() {
-        this.$store.commit("workflowState/deleteNode", this.id);
+        this.stateStore.deleteNode(this.id);
     },
     methods: {
         onMoveTo(position, event) {
diff --git a/client/src/components/Workflow/Editor/NodeInput.vue b/client/src/components/Workflow/Editor/NodeInput.vue
index 0d74b48455e..dadfcba56f2 100644
--- a/client/src/components/Workflow/Editor/NodeInput.vue
+++ b/client/src/components/Workflow/Editor/NodeInput.vue
@@ -28,6 +28,7 @@ import { computed } from "@vue/reactivity";
 import { inject, ref, watchEffect } from "vue";
 import { useTerminal } from "./composables/useTerminal";
 import { DatatypesMapperModel } from "@/components/Datatypes/model";
+import { useWorkflowStateStore } from "@/stores/workflowEditorStateStore";
 
 export default {
     props: {
@@ -67,6 +68,7 @@ export default {
         const connectedTerminals = ref([]);
         watchEffect(() => (connectedTerminals.value = connectionStore.getOutputTerminalsForInputTerminal(id.value)));
         const terminal = useTerminal(ref(props.stepId), ref(props.input), ref(props.datatypesMapper));
+        const stateStore = useWorkflowStateStore();
         return {
             el,
             position,
@@ -77,6 +79,7 @@ export default {
             iconId,
             connectedTerminals,
             terminal,
+            stateStore,
         };
     },
     data() {
@@ -102,7 +105,6 @@ export default {
             return this.input.label || this.input.name;
         },
         canAccept() {
-            // TODO: put producesAcceptableDatatype ... in datatypesMapper ?
             return this.draggingConnection && this.terminal.canAccept(this.draggingConnection.terminal);
         },
         reason() {
@@ -130,15 +132,11 @@ export default {
     },
     watch: {
         terminalPosition(position) {
-            this.$store.commit("workflowState/setInputTerminalPosition", {
-                stepId: this.stepId,
-                inputName: this.input.name,
-                position,
-            });
+            this.stateStore.setInputTerminalPosition(this.stepId, this.input.name, position);
         },
     },
     beforeDestroy() {
-        this.$store.commit("workflowState/deleteInputTerminalPosition", {
+        this.stateStore.deleteInputTerminalPosition({
             stepId: this.stepId,
             inputName: this.input.name,
         });
@@ -148,7 +146,6 @@ export default {
             if (this.reason) {
                 this.$root.$emit("bv::show::tooltip", this.iconId);
             }
-            console.log("dragover input", event);
         },
         dragLeave(event) {
             this.$root.$emit("bv::hide::tooltip", this.iconId);
@@ -163,11 +160,7 @@ export default {
             this.showRemove = false;
         },
         enter() {
-            if (this.hasTerminals) {
-                this.showRemove = true;
-            } else {
-                this.showRemove = false;
-            }
+            this.showRemove = Boolean(this.hasTerminals);
         },
         leave() {
             this.showRemove = false;
diff --git a/client/src/components/Workflow/Editor/NodeOutput.vue b/client/src/components/Workflow/Editor/NodeOutput.vue
index 4655b87e9d0..78bbe8c55d6 100644
--- a/client/src/components/Workflow/Editor/NodeOutput.vue
+++ b/client/src/components/Workflow/Editor/NodeOutput.vue
@@ -18,12 +18,22 @@
             :prevent-default="false"
             :stop-propagation="true"
             draggable="true"
-            @dragstart="dragStart"
             @pan-by="onPanBy"
             @start="isDragging = true"
             @stop="onStopDragging"
             @move="onMove">
-            <div class="icon prevent-zoom"></div>
+            <div
+                class="icon prevent-zoom"
+                tabindex="0"
+                @keyup.space="toggleChildComponent"
+                @keyup.enter="toggleChildComponent"
+                @keyup.esc="toggleChildComponent">
+                <connection-menu
+                    ref="menu"
+                    v-if="showChildComponent"
+                    :terminal="terminal"
+                    @closeMenu="closeMenu"></connection-menu>
+            </div>
         </draggable-wrapper>
     </div>
 </template>
@@ -32,11 +42,14 @@
 import DraggableWrapper from "./DraggablePan";
 import { useCoordinatePosition } from "./composables/useCoordinatePosition";
 import { useTerminal } from "./composables/useTerminal";
-import { ref, computed, watch, reactive } from "vue";
+import { ref, computed, watch, nextTick } from "vue";
 import { DatatypesMapperModel } from "@/components/Datatypes/model";
+import { useWorkflowStateStore } from "@/stores/workflowEditorStateStore";
+import ConnectionMenu from "@/components/Workflow/Editor/ConnectionMenu";
 
 export default {
     components: {
+        ConnectionMenu,
         DraggableWrapper,
     },
     props: {
@@ -93,7 +106,35 @@ export default {
             effectiveOutput.value = { ...props.output, extensions: extensions.value };
         });
         const terminal = useTerminal(ref(props.stepId), effectiveOutput, ref(props.datatypesMapper));
-        return { el, position, terminal, extensions };
+
+        function closeMenu() {
+            console.log("closing Menu");
+            showChildComponent.value = false;
+        }
+
+        const menu = ref(null);
+        const showChildComponent = ref(false);
+        async function toggleChildComponent() {
+            showChildComponent.value = !showChildComponent.value;
+            if (showChildComponent.value) {
+                await nextTick();
+                console.log(menu);
+                menu.value.$el.focus();
+            }
+        }
+
+        const stateStore = useWorkflowStateStore();
+        return {
+            el,
+            position,
+            terminal,
+            extensions,
+            stateStore,
+            menu,
+            showChildComponent,
+            toggleChildComponent,
+            closeMenu,
+        };
     },
     data() {
         return {
@@ -150,11 +191,7 @@ export default {
     },
     watch: {
         terminalPosition(position) {
-            this.$store.commit("workflowState/setOutputTerminalPosition", {
-                stepId: this.stepId,
-                outputName: this.output.name,
-                position,
-            });
+            this.stateStore.setOutputTerminalPosition(this.stepId, this.output.name, position);
         },
         dragPosition() {
             if (this.isDragging) {
@@ -173,7 +210,7 @@ export default {
         },
     },
     beforeDestroy() {
-        this.$store.commit("workflowState/deleteOutputTerminalPosition", {
+        this.stateStore.deleteOutputTerminalPosition({
             stepId: this.stepId,
             outputName: this.output.name,
         });
@@ -195,9 +232,6 @@ export default {
             this.dragY = 0;
             this.$emit("stopDragging");
         },
-        dragStart(e) {
-            console.log("dragStart", e);
-        },
         inputDragEnter(e) {},
         inputDragLeave(e) {},
         onDrop(e) {},
diff --git a/client/src/components/Workflow/Editor/TerminalConnector.vue b/client/src/components/Workflow/Editor/TerminalConnector.vue
index a24b110d530..73f13ac2a39 100644
--- a/client/src/components/Workflow/Editor/TerminalConnector.vue
+++ b/client/src/components/Workflow/Editor/TerminalConnector.vue
@@ -1,40 +1,33 @@
 <template>
-    <raw-connector v-if="position" :position="position"></raw-connector>
+    <raw-connector
+        v-if="position"
+        :position="position"
+        :output-is-mapped-over="outputIsMappedOver"
+        :input-is-mapped-over="inputIsMappedOver"></raw-connector>
 </template>
 
-<script>
-import RawConnector from "./Connector";
+<script lang="ts" setup>
+import RawConnector from "@/components/Workflow/Editor/Connector.vue";
+import { useWorkflowStateStore } from "@/stores/workflowEditorStateStore";
+import { useWorkflowStepStore } from "@/stores/workflowStepStore";
+import type { Connection } from "@/stores/workflowConnectionStore";
+import { computed } from "vue";
 
-export default {
-    components: {
-        RawConnector,
-    },
-    props: {
-        connection: {
-            type: Object,
-            required: true,
-        },
-    },
-    computed: {
-        position() {
-            const outputPos = this.$store.getters["workflowState/getOutputTerminalPosition"](
-                this.connection.output.stepId,
-                this.connection.output.name
-            );
-            const inputPos = this.$store.getters["workflowState/getInputTerminalPosition"](
-                this.connection.input.stepId,
-                this.connection.input.name
-            );
-            if (inputPos && outputPos) {
-                return {
-                    ...inputPos,
-                    ...outputPos,
-                };
-            }
-            return null;
-        },
-    },
-};
+const props = defineProps<{
+    connection: Connection;
+}>();
+
+const stepStore = useWorkflowStepStore();
+const outputIsMappedOver = computed(() => stepStore.stepMapOver[props.connection.output.stepId]?.isCollection);
+const inputIsMappedOver = computed(() => stepStore.stepMapOver[props.connection.input.stepId]?.isCollection);
+
+const stateStore = useWorkflowStateStore();
+const position = computed(() => {
+    const outputPos = stateStore.getOutputTerminalPosition(
+        props.connection.output.stepId,
+        props.connection.output.name
+    );
+    const inputPos = stateStore.getInputTerminalPosition(props.connection.input.stepId, props.connection.input.name);
+    return { ...inputPos, ...outputPos };
+});
 </script>
-
-<style></style>
diff --git a/client/src/components/Workflow/Editor/WorkflowEdges.vue b/client/src/components/Workflow/Editor/WorkflowEdges.vue
index f051709d1be..83c1f98ed91 100644
--- a/client/src/components/Workflow/Editor/WorkflowEdges.vue
+++ b/client/src/components/Workflow/Editor/WorkflowEdges.vue
@@ -1,16 +1,19 @@
-<script setup>
-import RawConnector from "./Connector";
-import TerminalConnector from "./TerminalConnector";
+<script setup lang="ts">
+import RawConnector from "./Connector.vue";
+import TerminalConnector from "./TerminalConnector.vue";
 import { computed } from "vue";
 import { useConnectionStore } from "@/stores/workflowConnectionStore";
 import { storeToRefs } from "pinia";
+import type { TerminalPosition } from "@/stores/workflowEditorStateStore";
+import type { OutputTerminal, OutputCollectionTerminal, OutputParameterTerminal } from "./modules/terminals";
 
-const props = defineProps({
-    draggingConnection: {
-        type: Object,
-        default: null,
-    },
-});
+interface DraggingConnection extends TerminalPosition {
+    terminal: OutputTerminal | OutputCollectionTerminal | OutputParameterTerminal;
+}
+
+const props = defineProps<{
+    draggingConnection?: DraggingConnection;
+}>();
 
 const connectionStore = useConnectionStore();
 const { connections } = storeToRefs(connectionStore);
@@ -19,7 +22,7 @@ const dragStyle = computed(() => {
     // TODO: this isn't quite right, but 6 seems to work, probably because it's the outer strokewidth
     // sync up with Connector.vue ?
     const strokeWidth = 6;
-    const dragStyle = {};
+    const dragStyle: { [index: string]: string } = {};
     if (props.draggingConnection) {
         dragStyle.left = props.draggingConnection.endX - strokeWidth + "px";
         dragStyle.top = props.draggingConnection.endY - strokeWidth + "px";
@@ -31,7 +34,11 @@ const dragStyle = computed(() => {
     <div>
         <div v-if="draggingConnection" class="drag-terminal" :style="dragStyle" />
         <svg class="canvas-svg node-area">
-            <raw-connector v-if="draggingConnection" :position="draggingConnection"></raw-connector>
+            <raw-connector
+                v-if="draggingConnection"
+                :position="draggingConnection"
+                :input-is-mapped-over="false"
+                :output-is-mapped-over="draggingConnection.terminal.mapOver?.isCollection"></raw-connector>
             <terminal-connector
                 v-for="connection in connections"
                 :key="connection.id"
diff --git a/client/src/components/Workflow/Editor/WorkflowGraph.vue b/client/src/components/Workflow/Editor/WorkflowGraph.vue
index 59866f4da7c..9d3d881e128 100644
--- a/client/src/components/Workflow/Editor/WorkflowGraph.vue
+++ b/client/src/components/Workflow/Editor/WorkflowGraph.vue
@@ -51,7 +51,8 @@ import { computed, reactive, ref } from "vue";
 import { useElementBounding } from "@vueuse/core";
 import D3Zoom from "./D3Zoom.vue";
 import { provide } from "vue";
-import { useScale, setScale, useActiveNodeId, setActiveNodeId } from "./composables/useWorkflowState";
+import { storeToRefs } from "pinia";
+import { useWorkflowStateStore } from "@/stores/workflowEditorStateStore";
 
 defineProps({
     steps: {
@@ -77,8 +78,9 @@ const isDragging = ref(false);
 provide("draggingConnection", draggingConnection);
 provide("isDragging", isDragging);
 provide("transform", transform);
-const scale = useScale();
-const activeNodeId = useActiveNodeId();
+
+const stateStore = useWorkflowStateStore();
+const { scale, activeNodeId } = storeToRefs(stateStore);
 const el = ref(null);
 const zoom = ref(null);
 const position = reactive(useElementBounding(el, { windowResize: false, windowScroll: false }));
@@ -91,7 +93,7 @@ function onZoom(zoomLevel, panTo = null) {
     if (panTo) {
         onPan({ x: panTo.x - transform.x, y: panTo.y - transform.y });
     }
-    setScale(zoomLevel);
+    stateStore.setScale(zoomLevel);
 }
 function onMoveTo(moveTo) {
     zoom.value.moveTo(moveTo);
@@ -109,18 +111,18 @@ function onDragConnector(vector) {
 }
 function onActivate(nodeId) {
     if (activeNodeId != nodeId) {
-        setActiveNodeId(nodeId);
+        stateStore.setActiveNode(nodeId);
     }
 }
 function onDeactivate() {
-    setActiveNodeId(null);
+    stateStore.setActiveNode(null);
 }
 
 function onTransform(newTransform) {
     transform.x = newTransform.x;
     transform.y = newTransform.y;
     transform.k = newTransform.k;
-    setScale(transform.k);
+    stateStore.setScale(transform.k);
 }
 
 const nodesStyle = computed(() => {
diff --git a/client/src/components/Workflow/Editor/composables/useTerminal.ts b/client/src/components/Workflow/Editor/composables/useTerminal.ts
new file mode 100644
index 00000000000..8d278296151
--- /dev/null
+++ b/client/src/components/Workflow/Editor/composables/useTerminal.ts
@@ -0,0 +1,19 @@
+import type { DatatypesMapperModel } from "@/components/Datatypes/model";
+import { terminalFactory } from "@/components/Workflow/Editor/modules/terminals";
+import type { Step, TerminalSource } from "@/stores/workflowStepStore";
+import { ref, watchEffect, type Ref } from "vue";
+
+export function useTerminal(
+    stepId: Ref<Step["id"]>,
+    terminalSource: Ref<TerminalSource>,
+    datatypesMapper: Ref<DatatypesMapperModel>
+): Ref<ReturnType<typeof terminalFactory>> {
+    const terminal = ref();
+    watchEffect(() => {
+        const newTerminal = terminalFactory(stepId.value, terminalSource.value, datatypesMapper.value);
+        console.log("built new terminal with datatypes mapper!", datatypesMapper.value);
+        newTerminal.destroyInvalidConnections();
+        terminal.value = newTerminal;
+    });
+    return terminal as Ref<ReturnType<typeof terminalFactory>>;
+}
diff --git a/client/src/components/Workflow/Editor/composables/useWorkflowState.js b/client/src/components/Workflow/Editor/composables/useWorkflowState.js
deleted file mode 100644
index a3b8d0c6389..00000000000
--- a/client/src/components/Workflow/Editor/composables/useWorkflowState.js
+++ /dev/null
@@ -1,19 +0,0 @@
-import store from "store";
-import { computed } from "vue";
-
-export function setScale(scale) {
-    store.commit("workflowState/setScale", scale);
-}
-
-export function useScale() {
-    const scale = computed(() => store.getters["workflowState/getScale"]);
-    return scale;
-}
-
-export function useActiveNodeId() {
-    return computed(() => store.getters["workflowState/getActiveNode"]);
-}
-
-export function setActiveNodeId(nodeId) {
-    store.commit("workflowState/setActiveNode", nodeId);
-}
diff --git a/client/src/components/Workflow/Editor/modules/model.js b/client/src/components/Workflow/Editor/modules/model.js
index 52e68169ad2..0256a1fdf3a 100644
--- a/client/src/components/Workflow/Editor/modules/model.js
+++ b/client/src/components/Workflow/Editor/modules/model.js
@@ -34,15 +34,6 @@ export function toSimple(workflow) {
     return { steps, report, license, creator, annotation, name };
 }
 
-function _scaledNodePosition(element, canvasZoom) {
-    const rect = element.getBoundingClientRect();
-    const coords = {
-        left: rect.left / canvasZoom,
-        top: rect.top / canvasZoom,
-    };
-    return coords;
-}
-
 function _rectifyOutputs(workflow) {
     // Find out if we're using workflow_outputs or not.
     let using_workflow_outputs = false;
diff --git a/client/src/components/Workflow/Editor/modules/terminals.test.ts b/client/src/components/Workflow/Editor/modules/terminals.test.ts
index 61e02e3a8a0..7d2ec5508ca 100644
--- a/client/src/components/Workflow/Editor/modules/terminals.test.ts
+++ b/client/src/components/Workflow/Editor/modules/terminals.test.ts
@@ -142,6 +142,12 @@ describe("canAccept", () => {
         multiDataInOne.connect(collectionOut);
         expect(multiDataInTwo.canAccept(collectionOut).canAccept).toBe(true);
     });
+    it("rejects connecting output to input of same step", () => {
+        const dataOut = terminals["simple data"]["out_file1"] as OutputTerminal;
+        const dataIn = terminals["simple data"]["input"] as InputTerminal;
+        expect(dataIn.canAccept(dataOut).canAccept).toBe(false);
+        expect(dataIn.canAccept(dataOut).reason).toBe("Cannot connection output to input of same step.");
+    });
     it("rejects paired input on multi-data input", () => {
         const multiDataIn = terminals["multi data"]["f1"] as InputTerminal;
         const pairedOut = terminals["paired input"]["output"] as OutputCollectionTerminal;
@@ -415,11 +421,12 @@ describe("canAccept", () => {
 describe("Input terminal", () => {
     let stepStore: ReturnType<typeof useWorkflowStepStore>;
     let connectionStore: ReturnType<typeof useConnectionStore>;
-    let terminals: { [index: number]: { [index: string]: ReturnType<typeof terminalFactory> } } = {};
+    let terminals: { [index: number]: { [index: string]: ReturnType<typeof terminalFactory> } };
     beforeEach(() => {
         setActivePinia(createPinia());
         stepStore = useWorkflowStepStore();
         connectionStore = useConnectionStore();
+        terminals = {};
         Object.entries(simpleSteps).map(([key, step]) => {
             stepStore.addStep(step);
             terminals[step.id] = {};
@@ -463,8 +470,10 @@ describe("Input terminal", () => {
         const dataInputOutputTerminal = terminals[0]["output"] as OutputTerminal;
         const connection = firstInputTerminal.connections[0];
         expect(firstInputTerminal.canAccept(dataInputOutputTerminal).canAccept).toBe(false);
+        expect(dataInputOutputTerminal.validInputTerminals().length).toBe(0);
         firstInputTerminal.disconnect(connection);
         expect(firstInputTerminal.canAccept(dataInputOutputTerminal).canAccept).toBe(true);
+        expect(dataInputOutputTerminal.validInputTerminals().length).toBe(1);
         connectionStore.addConnection(connection);
         expect(firstInputTerminal.canAccept(dataInputOutputTerminal).canAccept).toBe(false);
     });
diff --git a/client/src/components/Workflow/Editor/modules/terminals.ts b/client/src/components/Workflow/Editor/modules/terminals.ts
index eccf18d5e6b..8edf2e2ac49 100644
--- a/client/src/components/Workflow/Editor/modules/terminals.ts
+++ b/client/src/components/Workflow/Editor/modules/terminals.ts
@@ -177,6 +177,9 @@ class BaseInputTerminal extends Terminal {
         }
     }
     canAccept(outputTerminal: BaseOutputTerminal) {
+        if (this.stepId == outputTerminal.stepId) {
+            return new ConnectionAcceptable(false, "Cannot connection output to input of same step.");
+        }
         if (this._inputFilled()) {
             return new ConnectionAcceptable(
                 false,
@@ -289,13 +292,17 @@ class BaseInputTerminal extends Terminal {
         }
         return otherCollectionType;
     }
-    destroyInvalidConnections() {
-        this.connections.forEach((connection) => {
+    getConnectedTerminals() {
+        return this.connections.map((connection) => {
             const outputStep = this.stepStore.getStep(connection.output.stepId);
             const terminalSource = outputStep.outputs.find((output) => output.name === connection.output.name)!;
-            const outputTerminal = terminalFactory(outputStep.id, terminalSource, this.datatypesMapper);
-            if (!this.attachable(outputTerminal).canAccept) {
-                this.disconnect(outputTerminal);
+            return terminalFactory(outputStep.id, terminalSource, this.datatypesMapper);
+        });
+    }
+    destroyInvalidConnections() {
+        this.getConnectedTerminals().forEach((terminal) => {
+            if (!this.attachable(terminal).canAccept) {
+                this.disconnect(terminal);
             }
         });
     }
@@ -503,16 +510,32 @@ class BaseOutputTerminal extends Terminal {
         this.optional = attr.optional;
         this.terminalType = "output";
     }
-    destroyInvalidConnections() {
-        this.connections.forEach((connection) => {
+    getConnectedTerminals() {
+        return this.connections.map((connection) => {
             const inputStep = this.stepStore.getStep(connection.input.stepId);
             const terminalSource = inputStep.inputs.find((input) => input.name === connection.input.name)!;
-            const inputTerminal = terminalFactory(inputStep.id, terminalSource, this.datatypesMapper);
-            if (!inputTerminal.attachable(this).canAccept) {
-                inputTerminal.disconnect(this);
+            return terminalFactory(inputStep.id, terminalSource, this.datatypesMapper);
+        });
+    }
+    destroyInvalidConnections() {
+        this.getConnectedTerminals().forEach((terminal) => {
+            if (!terminal.attachable(this).canAccept) {
+                terminal.disconnect(this);
             }
         });
     }
+    validInputTerminals() {
+        const validInputTerminals: InputTerminals[] = [];
+        Object.entries(this.stepStore.steps).map(([stepId, step]) => {
+            step.inputs?.forEach((input) => {
+                const inputTerminal = terminalFactory(step.id, input, this.datatypesMapper);
+                if (inputTerminal.canAccept(this).canAccept) {
+                    validInputTerminals.push(inputTerminal);
+                }
+            });
+        });
+        return validInputTerminals;
+    }
 }
 
 export class OutputTerminal extends BaseOutputTerminal {}
@@ -549,6 +572,9 @@ export class OutputParameterTerminal extends BaseOutputTerminal {
     }
 }
 
+export type OutputTerminals = OutputTerminal | OutputCollectionTerminal | OutputParameterTerminal;
+export type InputTerminals = InputTerminal | InputCollectionTerminal | InputParameterTerminal;
+
 export function producesAcceptableDatatype(
     datatypesMapper: DatatypesMapperModel,
     inputDatatypes: string[],
diff --git a/client/src/composables/useActiveElement.ts b/client/src/composables/useActiveElement.ts
new file mode 100644
index 00000000000..9b07c982d3f
--- /dev/null
+++ b/client/src/composables/useActiveElement.ts
@@ -0,0 +1,56 @@
+// https://github.com/vueuse/vueuse/blob/main/packages/core/_configurable.ts
+import { computedWithControl } from "@vueuse/shared";
+import { isClient } from "@vueuse/shared";
+import { useEventListener } from "@vueuse/core";
+import { unrefElement } from "@vueuse/core";
+
+import { computed } from "vue";
+
+import type { MaybeElementRef, UseFocusWithinReturn, ConfigurableWindow } from "@vueuse/core";
+
+const defaultWindow = isClient ? window : undefined;
+
+/**
+ * Reactive `document.activeElement`
+ *
+ * @see https://vueuse.org/useActiveElement
+ * @param options
+ */
+export function useActiveElement<T extends HTMLElement>(options: ConfigurableWindow = {}) {
+    const { window = defaultWindow } = options;
+    const activeElement = computedWithControl(
+        () => null,
+        () => window?.document.activeElement as T | null | undefined
+    );
+
+    if (window) {
+        useEventListener(
+            window,
+            "blur",
+            () => {
+                const scheduler = window.requestAnimationFrame || window.setTimeout;
+                scheduler(() => activeElement.trigger());
+            },
+            true
+        );
+        useEventListener(window, "focus", activeElement.trigger, true);
+    }
+    return activeElement;
+}
+
+/**
+ * Track if focus is contained within the target element
+ *
+ * @see https://vueuse.org/useFocusWithin
+ * @param target The target element to track
+ * @param options Focus within options
+ */
+export function useFocusWithin(target: MaybeElementRef, options: ConfigurableWindow = {}): UseFocusWithinReturn {
+    const activeElement = useActiveElement(options);
+    const targetElement = computed(() => unrefElement(target));
+    const focused = computed(() =>
+        targetElement.value && activeElement.value ? targetElement.value.contains(activeElement.value) : false
+    );
+
+    return { focused };
+}
diff --git a/client/src/reports/run_stats.js b/client/src/reports/run_stats.js
index a0036b9c229..e7d8dc92d9c 100644
--- a/client/src/reports/run_stats.js
+++ b/client/src/reports/run_stats.js
@@ -1,6 +1,5 @@
 import $ from "jquery";
 import * as d3 from "d3";
-import { event as currentEvent } from "d3";
 
 function date_by_subtracting_days(date, days) {
     return new Date(
@@ -126,14 +125,14 @@ export function create_chart(inp_data, name, time, title) {
             }
 
             var wdth = i * 4 + 10;
-            d3.select(currentEvent.target.parentElement)
+            d3.select(d.target.parentElement)
                 .select(".tool_tip")
                 .select("text")
                 .attr("transform", `translate( ${margin.left - 5}, ${height - d * zoom + margin.top + 10} )`)
                 .attr("visibility", "visible")
                 .text(d);
 
-            d3.select(currentEvent.target.parentElement)
+            d3.select(d.target.parentElement)
                 .select(".tool_tip")
                 .attr("width", `${wdth}px`)
                 .attr("height", "15px")
@@ -145,12 +144,9 @@ export function create_chart(inp_data, name, time, title) {
         })
         .on("mouseleave", (d) => {
             // Remove tool tip
-            d3.select(currentEvent.target.parentElement)
-                .select(".tool_tip")
-                .select("text")
-                .attr("visibility", "hidden");
+            d3.select(d.target.parentElement).select(".tool_tip").select("text").attr("visibility", "hidden");
 
-            d3.select(currentEvent.target.parentElement)
+            d3.select(d.target.parentElement)
                 .select(".tool_tip")
                 .select("rect")
                 .attr("width", "0")
@@ -182,14 +178,14 @@ export function create_chart(inp_data, name, time, title) {
         });
 
     // Declare how high the y axis goes
-    var y = d3.scale.linear().range([height, 0]);
+    var y = d3.curveLinear().range([height, 0]);
 
     // Create a yAxis object
     var yAxis = d3.svg
         .axis()
         .scale(y)
         .orient("left")
-        .tickFormat((d) => d3.round(d * d3.max(data), 0));
+        .tickFormat((d) => Math.round(d * d3.max(data), 0));
 
     // Put the y axis on the chart
     chart
@@ -442,13 +438,13 @@ export function create_histogram(inp_data, name, title) {
 
     // Cereate x axis metadata
     // Used for x axis, histogram creation, and bar initialization
-    var x = d3.scale
-        .linear()
+    var x = d3
+        .curveLinear()
         .domain([0, d3.max(data)])
         .range([0, width]);
 
     // Generate a histogram using twenty uniformly-spaced bins.
-    data = d3.layout.histogram().bins(x.ticks(20))(data);
+    data = d3.histogram().bins(x.ticks(20))(data);
 
     // Create an array of the sizes of the bars
     var lengths = [];
@@ -466,8 +462,8 @@ export function create_histogram(inp_data, name, title) {
 
     // Create y axis metadata
     // Used for y axis and bar initialization
-    var y = d3.scale
-        .linear()
+    var y = d3
+        .curveLinear()
         .domain([0, d3.max(data, (d) => d.y)])
         .range([height, 0]);
 
@@ -542,14 +538,14 @@ export function create_histogram(inp_data, name, title) {
                 i++;
             }
             var wdth = i * 4 + 10;
-            d3.select(currentEvent.target.parentElement)
+            d3.select(d.target.parentElement)
                 .select(".tool_tip")
                 .select("text")
                 .attr("transform", `translate( ${margin.left - 5}, ${height - d.length * zoom + margin.top + 10} )`)
                 .attr("visibility", "visible")
                 .text(d.length);
 
-            d3.select(currentEvent.target.parentElement)
+            d3.select(d.target.parentElement)
                 .select(".tool_tip")
                 .attr("width", `${wdth}px`)
                 .attr("height", "15px")
@@ -559,14 +555,11 @@ export function create_histogram(inp_data, name, title) {
                 .attr("height", "15px")
                 .attr("fill", "#ebd9b2");
         })
-        .on("mouseleave", () => {
+        .on("mouseleave", (d) => {
             // Remove tool tip
-            d3.select(currentEvent.target.parentElement)
-                .select(".tool_tip")
-                .select("text")
-                .attr("visibility", "hidden");
+            d3.select(d.target.parentElement).select(".tool_tip").select("text").attr("visibility", "hidden");
 
-            d3.select(currentEvent.target.parentElement)
+            d3.select(d.target.parentElement)
                 .select(".tool_tip")
                 .select("rect")
                 .attr("width", "0")
diff --git a/client/src/store/index.js b/client/src/store/index.js
index 09f19f48fe3..dc5341a0d23 100644
--- a/client/src/store/index.js
+++ b/client/src/store/index.js
@@ -18,7 +18,6 @@ import { invocationStore } from "./invocationStore";
 import { collectionElementsStore, datasetStore, historyStore } from "./historyStore";
 import { userStore, userFlagsStore } from "./userStore";
 import { configStore } from "./configStore";
-import { workflowStateStore } from "./workflowEditorStateStore";
 import { toolStore } from "./toolStore";
 import { datasetPathDestinationStore } from "./datasetPathDestinationStore";
 import { datasetExtFilesStore } from "./datasetExtFilesStore";
@@ -73,7 +72,6 @@ export function createStore() {
             tools: toolStore,
             user: userStore,
             userFlags: userFlagsStore,
-            workflowState: workflowStateStore,
         },
     };
 
diff --git a/client/src/store/workflowEditorStateStore.js b/client/src/store/workflowEditorStateStore.js
deleted file mode 100644
index 10265650131..00000000000
--- a/client/src/store/workflowEditorStateStore.js
+++ /dev/null
@@ -1,82 +0,0 @@
-export const state = {
-    inputTerminals: {},
-    outputTerminals: {},
-    connections: {},
-    activeNode: null,
-    scale: 1,
-    nodes: {},
-};
-
-import Vue from "vue";
-const getters = {
-    getInputTerminalPosition: (state) => (stepId, inputName) => {
-        return state.inputTerminals[stepId]?.[inputName];
-    },
-    getOutputTerminalPosition: (state) => (stepId, outputName) => {
-        return state.outputTerminals[stepId]?.[outputName];
-    },
-    getActiveNode: (state) => {
-        return state.activeNode;
-    },
-    getScale: (state) => {
-        return state.scale;
-    },
-    getNode: (state) => (nodeId) => {
-        return state.nodes[nodeId];
-    },
-    getNodes: (state) => {
-        return state.nodes;
-    },
-};
-
-const actions = {};
-
-const mutations = {
-    setInputTerminalPosition: (state, { stepId, inputName, position }) => {
-        if (!state.inputTerminals[stepId]) {
-            Vue.set(state.inputTerminals, stepId, { [inputName]: position });
-        } else {
-            Vue.set(state.inputTerminals[stepId], inputName, position);
-        }
-    },
-    setOutputTerminalPosition: (state, { stepId, outputName, position }) => {
-        if (!state.outputTerminals[stepId]) {
-            Vue.set(state.outputTerminals, stepId, { [outputName]: position });
-        } else {
-            Vue.set(state.outputTerminals[stepId], outputName, position);
-        }
-    },
-    deleteInputTerminalPosition: (state, { stepId, inputName }) => {
-        delete state.inputTerminals[stepId][inputName];
-    },
-    deleteOutputTerminalPosition: (state, { stepId, outputName }) => {
-        delete state.outputTerminals[stepId][outputName];
-    },
-    setConnection: (state, { source, target, connection }) => {
-        if (!state.connections[source]) {
-            state.connections[source] = { target: connection };
-        } else {
-            state.connections[source][target] = connection;
-        }
-    },
-    setActiveNode: (state, nodeId) => {
-        state.activeNode = nodeId;
-    },
-    setScale: (state, scale) => {
-        state.scale = scale;
-    },
-    setNode: (state, node) => {
-        Vue.set(state.nodes, node.id, node);
-    },
-    deleteNode: (state, nodeId) => {
-        delete state.nodes[nodeId];
-    },
-};
-
-export const workflowStateStore = {
-    namespaced: true,
-    state,
-    getters,
-    actions,
-    mutations,
-};
diff --git a/client/src/stores/workflowEditorStateStore.ts b/client/src/stores/workflowEditorStateStore.ts
new file mode 100644
index 00000000000..0a5a780409e
--- /dev/null
+++ b/client/src/stores/workflowEditorStateStore.ts
@@ -0,0 +1,83 @@
+import Vue from "vue";
+import { defineStore } from "pinia";
+
+export const state = {
+    inputTerminals: {},
+    outputTerminals: {},
+    activeNode: null,
+    scale: 1,
+    nodes: {},
+};
+
+export interface TerminalPosition {
+    startX: number;
+    endX: number;
+    startY: number;
+    endY: number;
+}
+
+interface State {
+    inputTerminals: { [index: number]: { [index: string]: TerminalPosition } };
+    outputTerminals: { [index: number]: { [index: string]: TerminalPosition } };
+    activeNodeId: number;
+    scale: number;
+    nodes: { [index: number]: any };
+}
+
+export const useWorkflowStateStore = defineStore("workflowStateStore", {
+    state: (): State => ({
+        inputTerminals: {},
+        outputTerminals: {},
+        activeNodeId: -1,
+        scale: 1,
+        nodes: {},
+    }),
+    getters: {
+        getInputTerminalPosition(state: State) {
+            return (stepId: number, inputName: string) => state.inputTerminals[stepId]?.[inputName];
+        },
+        getOutputTerminalPosition(state: State) {
+            return (stepId: number, outputName: string) => state.outputTerminals[stepId]?.[outputName];
+        },
+        getNode(state: State) {
+            return (nodeId: number) => state.nodes[nodeId];
+        },
+        activeNode(state: State) {
+            return state.nodes[state.activeNodeId];
+        },
+    },
+    actions: {
+        setInputTerminalPosition(stepId: number, inputName: string, position: TerminalPosition) {
+            if (!this.inputTerminals[stepId]) {
+                Vue.set(this.inputTerminals, stepId, { [inputName]: position });
+            } else {
+                Vue.set(this.inputTerminals[stepId], inputName, position);
+            }
+        },
+        setOutputTerminalPosition(stepId: number, outputName: string, position: TerminalPosition) {
+            if (!this.outputTerminals[stepId]) {
+                Vue.set(this.outputTerminals, stepId, { [outputName]: position });
+            } else {
+                Vue.set(this.outputTerminals[stepId], outputName, position);
+            }
+        },
+        deleteInputTerminalPosition(stepId: number, inputName: string) {
+            delete this.inputTerminals[stepId]?.[inputName];
+        },
+        deleteOutputTerminalPosition(stepId: number, outputName: string) {
+            delete this.outputTerminals[stepId]?.[outputName];
+        },
+        setActiveNode(nodeId: number) {
+            this.activeNodeId = nodeId;
+        },
+        setScale(scale: number) {
+            this.scale = scale;
+        },
+        setNode(node: any) {
+            Vue.set(this.nodes, node.id, node);
+        },
+        deleteNode(nodeId: number) {
+            delete this.nodes[nodeId];
+        },
+    },
+});
diff --git a/client/src/viz/tools.js b/client/src/viz/tools.js
index 53799f0f597..5fb54fe1fa4 100644
--- a/client/src/viz/tools.js
+++ b/client/src/viz/tools.js
@@ -3,7 +3,7 @@
  */
 import _ from "underscore";
 import $ from "jquery";
-import d3 from "d3";
+import * as d3 from "d3";
 import Backbone from "backbone";
 import { getAppRoot } from "onload/loadConfig";
 import util from "viz/trackster/util";
diff --git a/client/yarn.lock b/client/yarn.lock
index 5b9db87d49d..474064c9e8e 100644
--- a/client/yarn.lock
+++ b/client/yarn.lock
@@ -1975,6 +1975,216 @@
   resolved "https://registry.npmjs.org/@types/cors/-/cors-2.8.12.tgz"
   integrity sha512-vt+kDhq/M2ayberEtJcIN/hxXy1Pk+59g2FV/ZQceeaTyCtCucjL2Q7FXlFjtWn4n15KCr1NE2lNNFhp0lEThw==
 
+"@types/d3-array@*":
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/@types/d3-array/-/d3-array-3.0.3.tgz#87d990bf504d14ad6b16766979d04e943c046dac"
+  integrity sha512-Reoy+pKnvsksN0lQUlcH6dOGjRZ/3WRwXR//m+/8lt1BXeI4xyaUZoqULNjyXXRuh0Mj4LNpkCvhUpQlY3X5xQ==
+
+"@types/d3-axis@*":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-axis/-/d3-axis-3.0.1.tgz#6afc20744fa5cc0cbc3e2bd367b140a79ed3e7a8"
+  integrity sha512-zji/iIbdd49g9WN0aIsGcwcTBUkgLsCSwB+uH+LPVDAiKWENMtI3cJEWt+7/YYwelMoZmbBfzA3qCdrZ2XFNnw==
+  dependencies:
+    "@types/d3-selection" "*"
+
+"@types/d3-brush@*":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-brush/-/d3-brush-3.0.1.tgz#ae5f17ce391935ca88b29000e60ee20452c6357c"
+  integrity sha512-B532DozsiTuQMHu2YChdZU0qsFJSio3Q6jmBYGYNp3gMDzBmuFFgPt9qKA4VYuLZMp4qc6eX7IUFUEsvHiXZAw==
+  dependencies:
+    "@types/d3-selection" "*"
+
+"@types/d3-chord@*":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-chord/-/d3-chord-3.0.1.tgz#54c8856c19c8e4ab36a53f73ba737de4768ad248"
+  integrity sha512-eQfcxIHrg7V++W8Qxn6QkqBNBokyhdWSAS73AbkbMzvLQmVVBviknoz2SRS/ZJdIOmhcmmdCRE/NFOm28Z1AMw==
+
+"@types/d3-color@*":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-color/-/d3-color-3.1.0.tgz#6594da178ded6c7c3842f3cc0ac84b156f12f2d4"
+  integrity sha512-HKuicPHJuvPgCD+np6Se9MQvS6OCbJmOjGvylzMJRlDwUXjKTTXs6Pwgk79O09Vj/ho3u1ofXnhFOaEWWPrlwA==
+
+"@types/d3-contour@*":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-contour/-/d3-contour-3.0.1.tgz#9ff4e2fd2a3910de9c5097270a7da8a6ef240017"
+  integrity sha512-C3zfBrhHZvrpAAK3YXqLWVAGo87A4SvJ83Q/zVJ8rFWJdKejUnDYaWZPkA8K84kb2vDA/g90LTQAz7etXcgoQQ==
+  dependencies:
+    "@types/d3-array" "*"
+    "@types/geojson" "*"
+
+"@types/d3-delaunay@*":
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-delaunay/-/d3-delaunay-6.0.1.tgz#006b7bd838baec1511270cb900bf4fc377bbbf41"
+  integrity sha512-tLxQ2sfT0p6sxdG75c6f/ekqxjyYR0+LwPrsO1mbC9YDBzPJhs2HbJJRrn8Ez1DBoHRo2yx7YEATI+8V1nGMnQ==
+
+"@types/d3-dispatch@*":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-dispatch/-/d3-dispatch-3.0.1.tgz#a1b18ae5fa055a6734cb3bd3cbc6260ef19676e3"
+  integrity sha512-NhxMn3bAkqhjoxabVJWKryhnZXXYYVQxaBnbANu0O94+O/nX9qSjrA1P1jbAQJxJf+VC72TxDX/YJcKue5bRqw==
+
+"@types/d3-drag@*":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-drag/-/d3-drag-3.0.1.tgz#fb1e3d5cceeee4d913caa59dedf55c94cb66e80f"
+  integrity sha512-o1Va7bLwwk6h03+nSM8dpaGEYnoIG19P0lKqlic8Un36ymh9NSkNFX1yiXMKNMx8rJ0Kfnn2eovuFaL6Jvj0zA==
+  dependencies:
+    "@types/d3-selection" "*"
+
+"@types/d3-dsv@*":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-dsv/-/d3-dsv-3.0.0.tgz#f3c61fb117bd493ec0e814856feb804a14cfc311"
+  integrity sha512-o0/7RlMl9p5n6FQDptuJVMxDf/7EDEv2SYEO/CwdG2tr1hTfUVi0Iavkk2ax+VpaQ/1jVhpnj5rq1nj8vwhn2A==
+
+"@types/d3-ease@*":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-ease/-/d3-ease-3.0.0.tgz#c29926f8b596f9dadaeca062a32a45365681eae0"
+  integrity sha512-aMo4eaAOijJjA6uU+GIeW018dvy9+oH5Y2VPPzjjfxevvGQ/oRDs+tfYC9b50Q4BygRR8yE2QCLsrT0WtAVseA==
+
+"@types/d3-fetch@*":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-fetch/-/d3-fetch-3.0.1.tgz#f9fa88b81aa2eea5814f11aec82ecfddbd0b8fe0"
+  integrity sha512-toZJNOwrOIqz7Oh6Q7l2zkaNfXkfR7mFSJvGvlD/Ciq/+SQ39d5gynHJZ/0fjt83ec3WL7+u3ssqIijQtBISsw==
+  dependencies:
+    "@types/d3-dsv" "*"
+
+"@types/d3-force@*":
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/@types/d3-force/-/d3-force-3.0.3.tgz#76cb20d04ae798afede1ea6e41750763ff5a9c82"
+  integrity sha512-z8GteGVfkWJMKsx6hwC3SiTSLspL98VNpmvLpEFJQpZPq6xpA1I8HNBDNSpukfK0Vb0l64zGFhzunLgEAcBWSA==
+
+"@types/d3-format@*":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-format/-/d3-format-3.0.1.tgz#194f1317a499edd7e58766f96735bdc0216bb89d"
+  integrity sha512-5KY70ifCCzorkLuIkDe0Z9YTf9RR2CjBX1iaJG+rgM/cPP+sO+q9YdQ9WdhQcgPj1EQiJ2/0+yUkkziTG6Lubg==
+
+"@types/d3-geo@*":
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/@types/d3-geo/-/d3-geo-3.0.2.tgz#e7ec5f484c159b2c404c42d260e6d99d99f45d9a"
+  integrity sha512-DbqK7MLYA8LpyHQfv6Klz0426bQEf7bRTvhMy44sNGVyZoWn//B0c+Qbeg8Osi2Obdc9BLLXYAKpyWege2/7LQ==
+  dependencies:
+    "@types/geojson" "*"
+
+"@types/d3-hierarchy@*":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-hierarchy/-/d3-hierarchy-3.1.0.tgz#4561bb7ace038f247e108295ef77b6a82193ac25"
+  integrity sha512-g+sey7qrCa3UbsQlMZZBOHROkFqx7KZKvUpRzI/tAp/8erZWpYq7FgNKvYwebi2LaEiVs1klhUfd3WCThxmmWQ==
+
+"@types/d3-interpolate@*":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-interpolate/-/d3-interpolate-3.0.1.tgz#e7d17fa4a5830ad56fe22ce3b4fac8541a9572dc"
+  integrity sha512-jx5leotSeac3jr0RePOH1KdR9rISG91QIE4Q2PYTu4OymLTZfA3SrnURSLzKH48HmXVUru50b8nje4E79oQSQw==
+  dependencies:
+    "@types/d3-color" "*"
+
+"@types/d3-path@*":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-path/-/d3-path-3.0.0.tgz#939e3a784ae4f80b1fde8098b91af1776ff1312b"
+  integrity sha512-0g/A+mZXgFkQxN3HniRDbXMN79K3CdTpLsevj+PXiTcb2hVyvkZUBg37StmgCQkaD84cUJ4uaDAWq7UJOQy2Tg==
+
+"@types/d3-polygon@*":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-polygon/-/d3-polygon-3.0.0.tgz#5200a3fa793d7736fa104285fa19b0dbc2424b93"
+  integrity sha512-D49z4DyzTKXM0sGKVqiTDTYr+DHg/uxsiWDAkNrwXYuiZVd9o9wXZIo+YsHkifOiyBkmSWlEngHCQme54/hnHw==
+
+"@types/d3-quadtree@*":
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/@types/d3-quadtree/-/d3-quadtree-3.0.2.tgz#433112a178eb7df123aab2ce11c67f51cafe8ff5"
+  integrity sha512-QNcK8Jguvc8lU+4OfeNx+qnVy7c0VrDJ+CCVFS9srBo2GL9Y18CnIxBdTF3v38flrGy5s1YggcoAiu6s4fLQIw==
+
+"@types/d3-random@*":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-random/-/d3-random-3.0.1.tgz#5c8d42b36cd4c80b92e5626a252f994ca6bfc953"
+  integrity sha512-IIE6YTekGczpLYo/HehAy3JGF1ty7+usI97LqraNa8IiDur+L44d0VOjAvFQWJVdZOJHukUJw+ZdZBlgeUsHOQ==
+
+"@types/d3-scale-chromatic@*":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-scale-chromatic/-/d3-scale-chromatic-3.0.0.tgz#103124777e8cdec85b20b51fd3397c682ee1e954"
+  integrity sha512-dsoJGEIShosKVRBZB0Vo3C8nqSDqVGujJU6tPznsBJxNJNwMF8utmS83nvCBKQYPpjCzaaHcrf66iTRpZosLPw==
+
+"@types/d3-scale@*":
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/@types/d3-scale/-/d3-scale-4.0.2.tgz#41be241126af4630524ead9cb1008ab2f0f26e69"
+  integrity sha512-Yk4htunhPAwN0XGlIwArRomOjdoBFXC3+kCxK2Ubg7I9shQlVSJy/pG/Ht5ASN+gdMIalpk8TJ5xV74jFsetLA==
+  dependencies:
+    "@types/d3-time" "*"
+
+"@types/d3-selection@*":
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/@types/d3-selection/-/d3-selection-3.0.3.tgz#57be7da68e7d9c9b29efefd8ea5a9ef1171e42ba"
+  integrity sha512-Mw5cf6nlW1MlefpD9zrshZ+DAWL4IQ5LnWfRheW6xwsdaWOb6IRRu2H7XPAQcyXEx1D7XQWgdoKR83ui1/HlEA==
+
+"@types/d3-shape@*":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-shape/-/d3-shape-3.1.0.tgz#1d87a6ddcf28285ef1e5c278ca4bdbc0658f3505"
+  integrity sha512-jYIYxFFA9vrJ8Hd4Se83YI6XF+gzDL1aC5DCsldai4XYYiVNdhtpGbA/GM6iyQ8ayhSp3a148LY34hy7A4TxZA==
+  dependencies:
+    "@types/d3-path" "*"
+
+"@types/d3-time-format@*":
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-time-format/-/d3-time-format-4.0.0.tgz#ee7b6e798f8deb2d9640675f8811d0253aaa1946"
+  integrity sha512-yjfBUe6DJBsDin2BMIulhSHmr5qNR5Pxs17+oW4DoVPyVIXZ+m6bs7j1UVKP08Emv6jRmYrYqxYzO63mQxy1rw==
+
+"@types/d3-time@*":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-time/-/d3-time-3.0.0.tgz#e1ac0f3e9e195135361fa1a1d62f795d87e6e819"
+  integrity sha512-sZLCdHvBUcNby1cB6Fd3ZBrABbjz3v1Vm90nysCQ6Vt7vd6e/h9Lt7SiJUoEX0l4Dzc7P5llKyhqSi1ycSf1Hg==
+
+"@types/d3-timer@*":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@types/d3-timer/-/d3-timer-3.0.0.tgz#e2505f1c21ec08bda8915238e397fb71d2fc54ce"
+  integrity sha512-HNB/9GHqu7Fo8AQiugyJbv6ZxYz58wef0esl4Mv828w1ZKpAshw/uFWVDUcIB9KKFeFKoxS3cHY07FFgtTRZ1g==
+
+"@types/d3-transition@*":
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/@types/d3-transition/-/d3-transition-3.0.2.tgz#393dc3e3d55009a43cc6f252e73fccab6d78a8a4"
+  integrity sha512-jo5o/Rf+/u6uerJ/963Dc39NI16FQzqwOc54bwvksGAdVfvDrqDpVeq95bEvPtBwLCVZutAEyAtmSyEMxN7vxQ==
+  dependencies:
+    "@types/d3-selection" "*"
+
+"@types/d3-zoom@*":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@types/d3-zoom/-/d3-zoom-3.0.1.tgz#4bfc7e29625c4f79df38e2c36de52ec3e9faf826"
+  integrity sha512-7s5L9TjfqIYQmQQEUcpMAcBOahem7TRoSO/+Gkz02GbMVuULiZzjF2BOdw291dbO2aNon4m2OdFsRGaCq2caLQ==
+  dependencies:
+    "@types/d3-interpolate" "*"
+    "@types/d3-selection" "*"
+
+"@types/d3@^7.4.0":
+  version "7.4.0"
+  resolved "https://registry.yarnpkg.com/@types/d3/-/d3-7.4.0.tgz#fc5cac5b1756fc592a3cf1f3dc881bf08225f515"
+  integrity sha512-jIfNVK0ZlxcuRDKtRS/SypEyOQ6UHaFQBKv032X45VvxSJ6Yi5G9behy9h6tNTHTDGh5Vq+KbmBjUWLgY4meCA==
+  dependencies:
+    "@types/d3-array" "*"
+    "@types/d3-axis" "*"
+    "@types/d3-brush" "*"
+    "@types/d3-chord" "*"
+    "@types/d3-color" "*"
+    "@types/d3-contour" "*"
+    "@types/d3-delaunay" "*"
+    "@types/d3-dispatch" "*"
+    "@types/d3-drag" "*"
+    "@types/d3-dsv" "*"
+    "@types/d3-ease" "*"
+    "@types/d3-fetch" "*"
+    "@types/d3-force" "*"
+    "@types/d3-format" "*"
+    "@types/d3-geo" "*"
+    "@types/d3-hierarchy" "*"
+    "@types/d3-interpolate" "*"
+    "@types/d3-path" "*"
+    "@types/d3-polygon" "*"
+    "@types/d3-quadtree" "*"
+    "@types/d3-random" "*"
+    "@types/d3-scale" "*"
+    "@types/d3-scale-chromatic" "*"
+    "@types/d3-selection" "*"
+    "@types/d3-shape" "*"
+    "@types/d3-time" "*"
+    "@types/d3-time-format" "*"
+    "@types/d3-timer" "*"
+    "@types/d3-transition" "*"
+    "@types/d3-zoom" "*"
+
 "@types/eslint-scope@^3.7.3":
   version "3.7.4"
   resolved "https://registry.npmjs.org/@types/eslint-scope/-/eslint-scope-3.7.4.tgz"
@@ -2020,6 +2230,11 @@
     "@types/qs" "*"
     "@types/serve-static" "*"
 
+"@types/geojson@*":
+  version "7946.0.10"
+  resolved "https://registry.yarnpkg.com/@types/geojson/-/geojson-7946.0.10.tgz#6dfbf5ea17142f7f9a043809f1cd4c448cb68249"
+  integrity sha512-Nmh0K3iWQJzniTuPRcJn5hxXkfB1T1pgB89SBig5PlJQU5yocazeu4jATJlaA0GYFKWMqDdvYemoSnF2pXgLVA==
+
 "@types/graceful-fs@^4.1.3":
   version "4.1.5"
   resolved "https://registry.npmjs.org/@types/graceful-fs/-/graceful-fs-4.1.5.tgz"
@@ -3633,7 +3848,7 @@ combined-stream@^1.0.8:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@7.2.0, commander@^7.0.0, commander@^7.2.0:
+commander@7, commander@7.2.0, commander@^7.0.0, commander@^7.2.0:
   version "7.2.0"
   resolved "https://registry.npmjs.org/commander/-/commander-7.2.0.tgz"
   integrity sha512-QrWXB+ZQSVPmIWIhtEO9H+gwHaMGYiF5ChvoJ+K9ZGHG/sVsa6yiesAD1GC/x46sET00Xlwo1u49RVVVzvcSkw==
@@ -4012,17 +4227,61 @@ custom-event@~1.0.0:
   resolved "https://registry.npmjs.org/custom-event/-/custom-event-1.0.1.tgz"
   integrity sha512-GAj5FOq0Hd+RsCGVJxZuKaIDXDf3h6GQoNEjFgbLLI/trgtavwUbSnZ5pVfg27DVCaWjIohryS0JFwIJyT2cMg==
 
-"d3-color@1 - 3":
+"d3-array@2 - 3", "d3-array@2.10.0 - 3", "d3-array@2.5.0 - 3", d3-array@3, d3-array@^3.2.0:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/d3-array/-/d3-array-3.2.1.tgz#39331ea706f5709417d31bbb6ec152e0328b39b3"
+  integrity sha512-gUY/qeHq/yNqqoCKNq4vtpFLdoCdvyNpWoC/KNjhGbhDuQpAM9sIQQKkXSNpXa9h5KySs/gzm7R88WkUutgwWQ==
+  dependencies:
+    internmap "1 - 2"
+
+d3-axis@3:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/d3-axis/-/d3-axis-3.0.0.tgz#c42a4a13e8131d637b745fc2973824cfeaf93322"
+  integrity sha512-IH5tgjV4jE/GhHkRV0HiVYPDtvfjHQlQfJHs0usq7M30XcSBvOotpmH1IgkcXsO/5gEQZD43B//fc7SRT5S+xw==
+
+d3-brush@3:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/d3-brush/-/d3-brush-3.0.0.tgz#6f767c4ed8dcb79de7ede3e1c0f89e63ef64d31c"
+  integrity sha512-ALnjWlVYkXsVIGlOsuWH1+3udkYFI48Ljihfnh8FZPF2QS9o+PzGLBslO0PjzVoHLZ2KCVgAM8NVkXPJB2aNnQ==
+  dependencies:
+    d3-dispatch "1 - 3"
+    d3-drag "2 - 3"
+    d3-interpolate "1 - 3"
+    d3-selection "3"
+    d3-transition "3"
+
+d3-chord@3:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/d3-chord/-/d3-chord-3.0.1.tgz#d156d61f485fce8327e6abf339cb41d8cbba6966"
+  integrity sha512-VE5S6TNa+j8msksl7HwjxMHDM2yNK3XCkusIlpX5kwauBfXuyLAtNg9jCp/iHH61tgI4sb6R/EIMWCqEIdjT/g==
+  dependencies:
+    d3-path "1 - 3"
+
+"d3-color@1 - 3", d3-color@3:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/d3-color/-/d3-color-3.1.0.tgz#395b2833dfac71507f12ac2f7af23bf819de24e2"
   integrity sha512-zg/chbXyeBtMQ1LbD/WSoW2DpC3I0mpmPdW+ynRTj/x2DAWYrIY7qeZIHidozwV24m4iavr15lNwIwLxRmOxhA==
 
-"d3-dispatch@1 - 3":
+d3-contour@4:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/d3-contour/-/d3-contour-4.0.0.tgz#5a1337c6da0d528479acdb5db54bc81a0ff2ec6b"
+  integrity sha512-7aQo0QHUTu/Ko3cP9YK9yUTxtoDEiDGwnBHyLxG5M4vqlBkO/uixMRele3nfsfj6UXOcuReVpVXzAboGraYIJw==
+  dependencies:
+    d3-array "^3.2.0"
+
+d3-delaunay@6:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/d3-delaunay/-/d3-delaunay-6.0.2.tgz#7fd3717ad0eade2fc9939f4260acfb503f984e92"
+  integrity sha512-IMLNldruDQScrcfT+MWnazhHbDJhcRJyOEBAJfwQnHle1RPh6WDuLvxNArUju2VSMSUuKlY5BGHRJ2cYyoFLQQ==
+  dependencies:
+    delaunator "5"
+
+"d3-dispatch@1 - 3", d3-dispatch@3:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/d3-dispatch/-/d3-dispatch-3.0.1.tgz#5fc75284e9c2375c36c839411a0cf550cbfc4d5e"
   integrity sha512-rzUyPU/S7rwUflMyLc1ETDeBj0NRuHKKAcvukozwhshr6g6c5d8zh4c2gQjY2bZ0dXeGLWc1PF174P2tVvKhfg==
 
-"d3-drag@2 - 3":
+"d3-drag@2 - 3", d3-drag@3:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/d3-drag/-/d3-drag-3.0.0.tgz#994aae9cd23c719f53b5e10e3a0a6108c69607ba"
   integrity sha512-pWbUJLdETVA8lQNJecMxoXfH6x+mO2UQo8rSmZ+QqxcbyA3hfeprFgIT//HW2nlHChWeIIMwS2Fq+gEARkhTkg==
@@ -4030,29 +4289,131 @@ custom-event@~1.0.0:
     d3-dispatch "1 - 3"
     d3-selection "3"
 
-"d3-ease@1 - 3":
+"d3-dsv@1 - 3", d3-dsv@3:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/d3-dsv/-/d3-dsv-3.0.1.tgz#c63af978f4d6a0d084a52a673922be2160789b73"
+  integrity sha512-UG6OvdI5afDIFP9w4G0mNq50dSOsXHJaRE8arAS5o9ApWnIElp8GZw1Dun8vP8OyHOZ/QJUKUJwxiiCCnUwm+Q==
+  dependencies:
+    commander "7"
+    iconv-lite "0.6"
+    rw "1"
+
+"d3-ease@1 - 3", d3-ease@3:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/d3-ease/-/d3-ease-3.0.1.tgz#9658ac38a2140d59d346160f1f6c30fda0bd12f4"
   integrity sha512-wR/XK3D3XcLIZwpbvQwQ5fK+8Ykds1ip7A2Txe0yxncXSdq1L9skcG7blcedkOX+ZcgxGAmLX1FrRGbADwzi0w==
 
-"d3-interpolate@1 - 3":
+d3-fetch@3:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/d3-fetch/-/d3-fetch-3.0.1.tgz#83141bff9856a0edb5e38de89cdcfe63d0a60a22"
+  integrity sha512-kpkQIM20n3oLVBKGg6oHrUchHM3xODkTzjMoj7aWQFq5QEM+R6E4WkzT5+tojDY7yjez8KgCBRoj4aEr99Fdqw==
+  dependencies:
+    d3-dsv "1 - 3"
+
+d3-force@3:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/d3-force/-/d3-force-3.0.0.tgz#3e2ba1a61e70888fe3d9194e30d6d14eece155c4"
+  integrity sha512-zxV/SsA+U4yte8051P4ECydjD/S+qeYtnaIyAs9tgHCqfguma/aAQDjo85A9Z6EKhBirHRJHXIgJUlffT4wdLg==
+  dependencies:
+    d3-dispatch "1 - 3"
+    d3-quadtree "1 - 3"
+    d3-timer "1 - 3"
+
+"d3-format@1 - 3", d3-format@3:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/d3-format/-/d3-format-3.1.0.tgz#9260e23a28ea5cb109e93b21a06e24e2ebd55641"
+  integrity sha512-YyUI6AEuY/Wpt8KWLgZHsIU86atmikuoOmCfommt0LYHiQSPjvX2AcFc38PX0CBpr2RCyZhjex+NS/LPOv6YqA==
+
+d3-geo@3:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/d3-geo/-/d3-geo-3.1.0.tgz#74fd54e1f4cebd5185ac2039217a98d39b0a4c0e"
+  integrity sha512-JEo5HxXDdDYXCaWdwLRt79y7giK8SbhZJbFWXqbRTolCHFI5jRqteLzCsq51NKbUoX0PjBVSohxrx+NoOUujYA==
+  dependencies:
+    d3-array "2.5.0 - 3"
+
+d3-hierarchy@3:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/d3-hierarchy/-/d3-hierarchy-3.1.2.tgz#b01cd42c1eed3d46db77a5966cf726f8c09160c6"
+  integrity sha512-FX/9frcub54beBdugHjDCdikxThEqjnR93Qt7PvQTOHxyiNCAlvMrHhclk3cD5VeAaq9fxmfRp+CnWw9rEMBuA==
+
+"d3-interpolate@1 - 3", "d3-interpolate@1.2.0 - 3", d3-interpolate@3:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/d3-interpolate/-/d3-interpolate-3.0.1.tgz#3c47aa5b32c5b3dfb56ef3fd4342078a632b400d"
   integrity sha512-3bYs1rOD33uo8aqJfKP3JWPAibgw8Zm2+L9vBKEHJ2Rg+viTR7o5Mmv5mZcieN+FRYaAOWX5SJATX6k1PWz72g==
   dependencies:
     d3-color "1 - 3"
 
+"d3-path@1 - 3", d3-path@3, d3-path@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/d3-path/-/d3-path-3.1.0.tgz#22df939032fb5a71ae8b1800d61ddb7851c42526"
+  integrity sha512-p3KP5HCf/bvjBSSKuXid6Zqijx7wIfNW+J/maPs+iwR35at5JCbLUT0LzF1cnjbCHWhqzQTIN2Jpe8pRebIEFQ==
+
+d3-polygon@3:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/d3-polygon/-/d3-polygon-3.0.1.tgz#0b45d3dd1c48a29c8e057e6135693ec80bf16398"
+  integrity sha512-3vbA7vXYwfe1SYhED++fPUQlWSYTTGmFmQiany/gdbiWgU/iEyQzyymwL9SkJjFFuCS4902BSzewVGsHHmHtXg==
+
+"d3-quadtree@1 - 3", d3-quadtree@3:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/d3-quadtree/-/d3-quadtree-3.0.1.tgz#6dca3e8be2b393c9a9d514dabbd80a92deef1a4f"
+  integrity sha512-04xDrxQTDTCFwP5H6hRhsRcb9xxv2RzkcsygFzmkSIOJy3PeRJP7sNk3VRIbKXcog561P9oU0/rVH6vDROAgUw==
+
+d3-random@3:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/d3-random/-/d3-random-3.0.1.tgz#d4926378d333d9c0bfd1e6fa0194d30aebaa20f4"
+  integrity sha512-FXMe9GfxTxqd5D6jFsQ+DJ8BJS4E/fT5mqqdjovykEB2oFbTMDVdg1MGFxfQW+FBOGoB++k8swBrgwSHT1cUXQ==
+
+d3-scale-chromatic@3:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/d3-scale-chromatic/-/d3-scale-chromatic-3.0.0.tgz#15b4ceb8ca2bb0dcb6d1a641ee03d59c3b62376a"
+  integrity sha512-Lx9thtxAKrO2Pq6OO2Ua474opeziKr279P/TKZsMAhYyNDD3EnCffdbgeSYN5O7m2ByQsxtuP2CSDczNUIZ22g==
+  dependencies:
+    d3-color "1 - 3"
+    d3-interpolate "1 - 3"
+
+d3-scale@4:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/d3-scale/-/d3-scale-4.0.2.tgz#82b38e8e8ff7080764f8dcec77bd4be393689396"
+  integrity sha512-GZW464g1SH7ag3Y7hXjf8RoUuAFIqklOAq3MRl4OaWabTFJY9PN/E1YklhXLh+OQ3fM9yS2nOkCoS+WLZ6kvxQ==
+  dependencies:
+    d3-array "2.10.0 - 3"
+    d3-format "1 - 3"
+    d3-interpolate "1.2.0 - 3"
+    d3-time "2.1.1 - 3"
+    d3-time-format "2 - 4"
+
 "d3-selection@2 - 3", d3-selection@3:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/d3-selection/-/d3-selection-3.0.0.tgz#c25338207efa72cc5b9bd1458a1a41901f1e1b31"
   integrity sha512-fmTRWbNMmsmWq6xJV8D19U/gw/bwrHfNXxrIN+HfZgnzqTHp9jOmKMhsTUjXOJnZOdZY9Q28y4yebKzqDKlxlQ==
 
-"d3-timer@1 - 3":
+d3-shape@3:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/d3-shape/-/d3-shape-3.2.0.tgz#a1a839cbd9ba45f28674c69d7f855bcf91dfc6a5"
+  integrity sha512-SaLBuwGm3MOViRq2ABk3eLoxwZELpH6zhl3FbAoJ7Vm1gofKx6El1Ib5z23NUEhF9AsGl7y+dzLe5Cw2AArGTA==
+  dependencies:
+    d3-path "^3.1.0"
+
+"d3-time-format@2 - 4", d3-time-format@4:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/d3-time-format/-/d3-time-format-4.1.0.tgz#7ab5257a5041d11ecb4fe70a5c7d16a195bb408a"
+  integrity sha512-dJxPBlzC7NugB2PDLwo9Q8JiTR3M3e4/XANkreKSUxF8vvXKqm1Yfq4Q5dl8budlunRVlUUaDUgFt7eA8D6NLg==
+  dependencies:
+    d3-time "1 - 3"
+
+"d3-time@1 - 3", "d3-time@2.1.1 - 3", d3-time@3:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/d3-time/-/d3-time-3.1.0.tgz#9310db56e992e3c0175e1ef385e545e48a9bb5c7"
+  integrity sha512-VqKjzBLejbSMT4IgbmVgDjpkYrNWUYJnbCGo874u7MMKIWsILRX+OpX/gTk8MqjpT1A/c6HY2dCA77ZN0lkQ2Q==
+  dependencies:
+    d3-array "2 - 3"
+
+"d3-timer@1 - 3", d3-timer@3:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/d3-timer/-/d3-timer-3.0.1.tgz#6284d2a2708285b1abb7e201eda4380af35e63b0"
   integrity sha512-ndfJ/JxxMd3nw31uyKoY2naivF+r29V+Lc0svZxe1JvvIRmi8hUsrMvdOwgS1o6uBHmiz91geQ0ylPP0aj1VUA==
 
-"d3-transition@2 - 3":
+"d3-transition@2 - 3", d3-transition@3:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/d3-transition/-/d3-transition-3.0.1.tgz#6869fdde1448868077fdd5989200cb61b2a1645f"
   integrity sha512-ApKvfjsSR6tg06xrL434C0WydLr7JewBB3V+/39RMHsaXTOG0zmt/OAXeng5M5LBm0ojmxJrpomQVZ1aPvBL4w==
@@ -4063,7 +4424,7 @@ custom-event@~1.0.0:
     d3-interpolate "1 - 3"
     d3-timer "1 - 3"
 
-d3-zoom@^3.0.0:
+d3-zoom@3, d3-zoom@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/d3-zoom/-/d3-zoom-3.0.0.tgz#d13f4165c73217ffeaa54295cd6969b3e7aee8f3"
   integrity sha512-b8AmV3kfQaqWAuacbPuNbL6vahnOJflOhexLzMMNLga62+/nh0JzvJ0aO/5a5MVgUFGS7Hu1P9P03o3fJkDCyw==
@@ -4074,10 +4435,41 @@ d3-zoom@^3.0.0:
     d3-selection "2 - 3"
     d3-transition "2 - 3"
 
-d3@3:
-  version "3.5.17"
-  resolved "https://registry.npmjs.org/d3/-/d3-3.5.17.tgz"
-  integrity sha512-yFk/2idb8OHPKkbAL8QaOaqENNoMhIaSHZerk3oQsECwkObkCpJyjYwCe+OHiq6UEdhe1m8ZGARRRO3ljFjlKg==
+d3@^7.8.0:
+  version "7.8.0"
+  resolved "https://registry.yarnpkg.com/d3/-/d3-7.8.0.tgz#c9441f0ea9266b1003a97c2ffd53e79e9e14b1fc"
+  integrity sha512-a5rNemRadWkEfqnY5NsD4RdCP9vn8EIJ4I5Rl14U0uKH1SXqcNmk/h9aGaAF1O98lz6L9M0IeUcuPa9GUYbI5A==
+  dependencies:
+    d3-array "3"
+    d3-axis "3"
+    d3-brush "3"
+    d3-chord "3"
+    d3-color "3"
+    d3-contour "4"
+    d3-delaunay "6"
+    d3-dispatch "3"
+    d3-drag "3"
+    d3-dsv "3"
+    d3-ease "3"
+    d3-fetch "3"
+    d3-force "3"
+    d3-format "3"
+    d3-geo "3"
+    d3-hierarchy "3"
+    d3-interpolate "3"
+    d3-path "3"
+    d3-polygon "3"
+    d3-quadtree "3"
+    d3-random "3"
+    d3-scale "4"
+    d3-scale-chromatic "3"
+    d3-selection "3"
+    d3-shape "3"
+    d3-time "3"
+    d3-time-format "4"
+    d3-timer "3"
+    d3-transition "3"
+    d3-zoom "3"
 
 d@1, d@^1.0.1:
   version "1.0.1"
@@ -4254,6 +4646,13 @@ del@^6.0.0:
     rimraf "^3.0.2"
     slash "^3.0.0"
 
+delaunator@5:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/delaunator/-/delaunator-5.0.0.tgz#60f052b28bd91c9b4566850ebf7756efe821d81b"
+  integrity sha512-AyLvtyJdbv/U1GkiS6gUUzclRoAY4Gs75qkMygJJhU75LW4DNuSF2RMzpxs9jw9Oz1BobHjTdkG3zdP55VxAqw==
+  dependencies:
+    robust-predicates "^3.0.0"
+
 delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz"
@@ -5858,7 +6257,7 @@ iconv-lite@0.4.24:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
-iconv-lite@0.6.3:
+iconv-lite@0.6, iconv-lite@0.6.3:
   version "0.6.3"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.6.3.tgz#a52f80bf38da1952eb5c681790719871a1a72501"
   integrity sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==
@@ -5966,6 +6365,11 @@ internal-slot@^1.0.3:
     has "^1.0.3"
     side-channel "^1.0.4"
 
+"internmap@1 - 2":
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/internmap/-/internmap-2.0.3.tgz#6685f23755e43c524e251d29cbc97248e3061009"
+  integrity sha512-5Hh7Y1wQbvY5ooGgPbDaL5iYLAPzMTUrjMulskHLH6wnv/A+1q5rgEaiuqEjB+oxGXIVZs1FF+R/KPN3ZSQYYg==
+
 interpret@^1.4.0:
   version "1.4.0"
   resolved "https://registry.npmjs.org/interpret/-/interpret-1.4.0.tgz"
@@ -9168,6 +9572,11 @@ rimraf@^3.0.0, rimraf@^3.0.2:
   dependencies:
     glob "^7.1.3"
 
+robust-predicates@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/robust-predicates/-/robust-predicates-3.0.1.tgz#ecde075044f7f30118682bd9fb3f123109577f9a"
+  integrity sha512-ndEIpszUHiG4HtDsQLeIuMvRsDnn8c8rYStabochtUeCvfuvNptb5TUbVD68LRAILPX7p9nqQGh4xJgn3EHS/g==
+
 run-parallel@^1.1.9:
   version "1.2.0"
   resolved "https://registry.npmjs.org/run-parallel/-/run-parallel-1.2.0.tgz"
@@ -9175,6 +9584,11 @@ run-parallel@^1.1.9:
   dependencies:
     queue-microtask "^1.2.2"
 
+rw@1:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/rw/-/rw-1.3.3.tgz#3f862dfa91ab766b14885ef4d01124bfda074fb4"
+  integrity sha512-PdhdWy89SiZogBLaw42zdeqtRJ//zFd2PgQavcICDUgJT5oW10QCRKbJ6bg4r0/UY2M6BWd5tkxuGFRvCkgfHQ==
+
 rxjs-report-usage@^1.0.4:
   version "1.0.6"
   resolved "https://registry.npmjs.org/rxjs-report-usage/-/rxjs-report-usage-1.0.6.tgz"