added random graph with colored edged

6 files changed, 473 insertions, 0 deletions

diff --git a/app/components/graph/graph.story.tsx b/app/components/graph/graph.story.tsx
new file mode 100644
index 0000000..e5385e6
--- /dev/null
+++ b/app/components/graph/graph.story.tsx
@@ -0,0 +1,15 @@
+import * as React from "react"
+import { storiesOf } from "@storybook/react-native"
+import { StoryScreen, Story, UseCase } from "../../../storybook/views"
+import { color } from "../../theme"
+import { Graph } from "./graph"
+
+storiesOf("Graph", module)
+  .addDecorator((fn) => <StoryScreen>{fn()}</StoryScreen>)
+  .add("Style Presets", () => (
+    <Story>
+      <UseCase text="Primary" usage="The primary.">
+        <Graph style={{ backgroundColor: color.error }} />
+      </UseCase>
+    </Story>
+  ))
diff --git a/app/components/graph/graph.tsx b/app/components/graph/graph.tsx
new file mode 100644
index 0000000..d41cfc7
--- /dev/null
+++ b/app/components/graph/graph.tsx
@@ -0,0 +1,71 @@
+import * as React from "react"
+import { StyleProp, TextStyle, View, ViewStyle } from "react-native"
+import { observer } from "mobx-react-lite"
+import { color, typography } from "../../theme"
+import { Text } from "../"
+import { flatten } from "ramda"
+
+import data from "../../data/miserables.json"
+import genRandomTree from "../../data/randomdata";
+
+import { ForceGraph2D, ForceGraph3D, ForceGraphVR, ForceGraphAR } from 'react-force-graph';
+import  Slider  from '@react-native-community/slider';
+
+const CONTAINER: ViewStyle = {
+  justifyContent: "center",
+}
+
+const TEXT: TextStyle = {
+  fontFamily: typography.primary,
+  fontSize: 14,
+  color: color.primary,
+}
+
+export interface GraphProps {
+  /**
+   * An optional style override useful for padding & margin.
+   */
+  style?: StyleProp<ViewStyle>
+}
+
+/**
+ * Describe your component here
+ */
+export const Graph = observer(function Graph(props: GraphProps) {
+  const { style } = props
+  const styles = flatten([CONTAINER, style])
+
+  //  const fgRef= React.useRef();
+
+
+    const GROUPS=12;
+    const gData = genRandomTree();
+
+    const [visco, setVisco] = React.useState(0.4);
+
+ // React.useEffect(()=> {
+ //     const fg = fgRef.current;
+
+ //     fg.d3Force('center', visco);
+ // });
+
+    return (
+    <View>
+    <Slider style={{position: "absolute", zIndex: 100, width: "20%", height: 40}}
+        minimumValue={0}
+        maximumValue={1}
+        onValueChange={(value)=>{setVisco(value)}}
+        value={visco}
+    />
+    <ForceGraph2D
+   //   ref={fgRef}
+      graphData={gData}
+      nodeAutoColorBy={d => d.id%GROUPS}
+      linkAutoColorBy={d => gData.nodes[d.source].id%GROUPS}
+      linkColor={"#ffffff"}
+      linkWidth={2}
+      d3VelocityDecay={visco}
+      />
+    </View>
+  )
+})
diff --git a/app/data/miserables.json b/app/data/miserables.json
new file mode 100644
index 0000000..7db9285
--- /dev/null
+++ b/app/data/miserables.json
@@ -0,0 +1,337 @@
+{
+  "nodes": [
+    {"id": "Myriel", "group": 1},
+    {"id": "Napoleon", "group": 1},
+    {"id": "Mlle.Baptistine", "group": 1},
+    {"id": "Mme.Magloire", "group": 1},
+    {"id": "CountessdeLo", "group": 1},
+    {"id": "Geborand", "group": 1},
+    {"id": "Champtercier", "group": 1},
+    {"id": "Cravatte", "group": 1},
+    {"id": "Count", "group": 1},
+    {"id": "OldMan", "group": 1},
+    {"id": "Labarre", "group": 2},
+    {"id": "Valjean", "group": 2},
+    {"id": "Marguerite", "group": 3},
+    {"id": "Mme.deR", "group": 2},
+    {"id": "Isabeau", "group": 2},
+    {"id": "Gervais", "group": 2},
+    {"id": "Tholomyes", "group": 3},
+    {"id": "Listolier", "group": 3},
+    {"id": "Fameuil", "group": 3},
+    {"id": "Blacheville", "group": 3},
+    {"id": "Favourite", "group": 3},
+    {"id": "Dahlia", "group": 3},
+    {"id": "Zephine", "group": 3},
+    {"id": "Fantine", "group": 3},
+    {"id": "Mme.Thenardier", "group": 4},
+    {"id": "Thenardier", "group": 4},
+    {"id": "Cosette", "group": 5},
+    {"id": "Javert", "group": 4},
+    {"id": "Fauchelevent", "group": 0},
+    {"id": "Bamatabois", "group": 2},
+    {"id": "Perpetue", "group": 3},
+    {"id": "Simplice", "group": 2},
+    {"id": "Scaufflaire", "group": 2},
+    {"id": "Woman1", "group": 2},
+    {"id": "Judge", "group": 2},
+    {"id": "Champmathieu", "group": 2},
+    {"id": "Brevet", "group": 2},
+    {"id": "Chenildieu", "group": 2},
+    {"id": "Cochepaille", "group": 2},
+    {"id": "Pontmercy", "group": 4},
+    {"id": "Boulatruelle", "group": 6},
+    {"id": "Eponine", "group": 4},
+    {"id": "Anzelma", "group": 4},
+    {"id": "Woman2", "group": 5},
+    {"id": "MotherInnocent", "group": 0},
+    {"id": "Gribier", "group": 0},
+    {"id": "Jondrette", "group": 7},
+    {"id": "Mme.Burgon", "group": 7},
+    {"id": "Gavroche", "group": 8},
+    {"id": "Gillenormand", "group": 5},
+    {"id": "Magnon", "group": 5},
+    {"id": "Mlle.Gillenormand", "group": 5},
+    {"id": "Mme.Pontmercy", "group": 5},
+    {"id": "Mlle.Vaubois", "group": 5},
+    {"id": "Lt.Gillenormand", "group": 5},
+    {"id": "Marius", "group": 8},
+    {"id": "BaronessT", "group": 5},
+    {"id": "Mabeuf", "group": 8},
+    {"id": "Enjolras", "group": 8},
+    {"id": "Combeferre", "group": 8},
+    {"id": "Prouvaire", "group": 8},
+    {"id": "Feuilly", "group": 8},
+    {"id": "Courfeyrac", "group": 8},
+    {"id": "Bahorel", "group": 8},
+    {"id": "Bossuet", "group": 8},
+    {"id": "Joly", "group": 8},
+    {"id": "Grantaire", "group": 8},
+    {"id": "MotherPlutarch", "group": 9},
+    {"id": "Gueulemer", "group": 4},
+    {"id": "Babet", "group": 4},
+    {"id": "Claquesous", "group": 4},
+    {"id": "Montparnasse", "group": 4},
+    {"id": "Toussaint", "group": 5},
+    {"id": "Child1", "group": 10},
+    {"id": "Child2", "group": 10},
+    {"id": "Brujon", "group": 4},
+    {"id": "Mme.Hucheloup", "group": 8}
+  ],
+  "links": [
+    {"source": "Napoleon", "target": "Myriel", "value": 1},
+    {"source": "Mlle.Baptistine", "target": "Myriel", "value": 8},
+    {"source": "Mme.Magloire", "target": "Myriel", "value": 10},
+    {"source": "Mme.Magloire", "target": "Mlle.Baptistine", "value": 6},
+    {"source": "CountessdeLo", "target": "Myriel", "value": 1},
+    {"source": "Geborand", "target": "Myriel", "value": 1},
+    {"source": "Champtercier", "target": "Myriel", "value": 1},
+    {"source": "Cravatte", "target": "Myriel", "value": 1},
+    {"source": "Count", "target": "Myriel", "value": 2},
+    {"source": "OldMan", "target": "Myriel", "value": 1},
+    {"source": "Valjean", "target": "Labarre", "value": 1},
+    {"source": "Valjean", "target": "Mme.Magloire", "value": 3},
+    {"source": "Valjean", "target": "Mlle.Baptistine", "value": 3},
+    {"source": "Valjean", "target": "Myriel", "value": 5},
+    {"source": "Marguerite", "target": "Valjean", "value": 1},
+    {"source": "Mme.deR", "target": "Valjean", "value": 1},
+    {"source": "Isabeau", "target": "Valjean", "value": 1},
+    {"source": "Gervais", "target": "Valjean", "value": 1},
+    {"source": "Listolier", "target": "Tholomyes", "value": 4},
+    {"source": "Fameuil", "target": "Tholomyes", "value": 4},
+    {"source": "Fameuil", "target": "Listolier", "value": 4},
+    {"source": "Blacheville", "target": "Tholomyes", "value": 4},
+    {"source": "Blacheville", "target": "Listolier", "value": 4},
+    {"source": "Blacheville", "target": "Fameuil", "value": 4},
+    {"source": "Favourite", "target": "Tholomyes", "value": 3},
+    {"source": "Favourite", "target": "Listolier", "value": 3},
+    {"source": "Favourite", "target": "Fameuil", "value": 3},
+    {"source": "Favourite", "target": "Blacheville", "value": 4},
+    {"source": "Dahlia", "target": "Tholomyes", "value": 3},
+    {"source": "Dahlia", "target": "Listolier", "value": 3},
+    {"source": "Dahlia", "target": "Fameuil", "value": 3},
+    {"source": "Dahlia", "target": "Blacheville", "value": 3},
+    {"source": "Dahlia", "target": "Favourite", "value": 5},
+    {"source": "Zephine", "target": "Tholomyes", "value": 3},
+    {"source": "Zephine", "target": "Listolier", "value": 3},
+    {"source": "Zephine", "target": "Fameuil", "value": 3},
+    {"source": "Zephine", "target": "Blacheville", "value": 3},
+    {"source": "Zephine", "target": "Favourite", "value": 4},
+    {"source": "Zephine", "target": "Dahlia", "value": 4},
+    {"source": "Fantine", "target": "Tholomyes", "value": 3},
+    {"source": "Fantine", "target": "Listolier", "value": 3},
+    {"source": "Fantine", "target": "Fameuil", "value": 3},
+    {"source": "Fantine", "target": "Blacheville", "value": 3},
+    {"source": "Fantine", "target": "Favourite", "value": 4},
+    {"source": "Fantine", "target": "Dahlia", "value": 4},
+    {"source": "Fantine", "target": "Zephine", "value": 4},
+    {"source": "Fantine", "target": "Marguerite", "value": 2},
+    {"source": "Fantine", "target": "Valjean", "value": 9},
+    {"source": "Mme.Thenardier", "target": "Fantine", "value": 2},
+    {"source": "Mme.Thenardier", "target": "Valjean", "value": 7},
+    {"source": "Thenardier", "target": "Mme.Thenardier", "value": 13},
+    {"source": "Thenardier", "target": "Fantine", "value": 1},
+    {"source": "Thenardier", "target": "Valjean", "value": 12},
+    {"source": "Cosette", "target": "Mme.Thenardier", "value": 4},
+    {"source": "Cosette", "target": "Valjean", "value": 31},
+    {"source": "Cosette", "target": "Tholomyes", "value": 1},
+    {"source": "Cosette", "target": "Thenardier", "value": 1},
+    {"source": "Javert", "target": "Valjean", "value": 17},
+    {"source": "Javert", "target": "Fantine", "value": 5},
+    {"source": "Javert", "target": "Thenardier", "value": 5},
+    {"source": "Javert", "target": "Mme.Thenardier", "value": 1},
+    {"source": "Javert", "target": "Cosette", "value": 1},
+    {"source": "Fauchelevent", "target": "Valjean", "value": 8},
+    {"source": "Fauchelevent", "target": "Javert", "value": 1},
+    {"source": "Bamatabois", "target": "Fantine", "value": 1},
+    {"source": "Bamatabois", "target": "Javert", "value": 1},
+    {"source": "Bamatabois", "target": "Valjean", "value": 2},
+    {"source": "Perpetue", "target": "Fantine", "value": 1},
+    {"source": "Simplice", "target": "Perpetue", "value": 2},
+    {"source": "Simplice", "target": "Valjean", "value": 3},
+    {"source": "Simplice", "target": "Fantine", "value": 2},
+    {"source": "Simplice", "target": "Javert", "value": 1},
+    {"source": "Scaufflaire", "target": "Valjean", "value": 1},
+    {"source": "Woman1", "target": "Valjean", "value": 2},
+    {"source": "Woman1", "target": "Javert", "value": 1},
+    {"source": "Judge", "target": "Valjean", "value": 3},
+    {"source": "Judge", "target": "Bamatabois", "value": 2},
+    {"source": "Champmathieu", "target": "Valjean", "value": 3},
+    {"source": "Champmathieu", "target": "Judge", "value": 3},
+    {"source": "Champmathieu", "target": "Bamatabois", "value": 2},
+    {"source": "Brevet", "target": "Judge", "value": 2},
+    {"source": "Brevet", "target": "Champmathieu", "value": 2},
+    {"source": "Brevet", "target": "Valjean", "value": 2},
+    {"source": "Brevet", "target": "Bamatabois", "value": 1},
+    {"source": "Chenildieu", "target": "Judge", "value": 2},
+    {"source": "Chenildieu", "target": "Champmathieu", "value": 2},
+    {"source": "Chenildieu", "target": "Brevet", "value": 2},
+    {"source": "Chenildieu", "target": "Valjean", "value": 2},
+    {"source": "Chenildieu", "target": "Bamatabois", "value": 1},
+    {"source": "Cochepaille", "target": "Judge", "value": 2},
+    {"source": "Cochepaille", "target": "Champmathieu", "value": 2},
+    {"source": "Cochepaille", "target": "Brevet", "value": 2},
+    {"source": "Cochepaille", "target": "Chenildieu", "value": 2},
+    {"source": "Cochepaille", "target": "Valjean", "value": 2},
+    {"source": "Cochepaille", "target": "Bamatabois", "value": 1},
+    {"source": "Pontmercy", "target": "Thenardier", "value": 1},
+    {"source": "Boulatruelle", "target": "Thenardier", "value": 1},
+    {"source": "Eponine", "target": "Mme.Thenardier", "value": 2},
+    {"source": "Eponine", "target": "Thenardier", "value": 3},
+    {"source": "Anzelma", "target": "Eponine", "value": 2},
+    {"source": "Anzelma", "target": "Thenardier", "value": 2},
+    {"source": "Anzelma", "target": "Mme.Thenardier", "value": 1},
+    {"source": "Woman2", "target": "Valjean", "value": 3},
+    {"source": "Woman2", "target": "Cosette", "value": 1},
+    {"source": "Woman2", "target": "Javert", "value": 1},
+    {"source": "MotherInnocent", "target": "Fauchelevent", "value": 3},
+    {"source": "MotherInnocent", "target": "Valjean", "value": 1},
+    {"source": "Gribier", "target": "Fauchelevent", "value": 2},
+    {"source": "Mme.Burgon", "target": "Jondrette", "value": 1},
+    {"source": "Gavroche", "target": "Mme.Burgon", "value": 2},
+    {"source": "Gavroche", "target": "Thenardier", "value": 1},
+    {"source": "Gavroche", "target": "Javert", "value": 1},
+    {"source": "Gavroche", "target": "Valjean", "value": 1},
+    {"source": "Gillenormand", "target": "Cosette", "value": 3},
+    {"source": "Gillenormand", "target": "Valjean", "value": 2},
+    {"source": "Magnon", "target": "Gillenormand", "value": 1},
+    {"source": "Magnon", "target": "Mme.Thenardier", "value": 1},
+    {"source": "Mlle.Gillenormand", "target": "Gillenormand", "value": 9},
+    {"source": "Mlle.Gillenormand", "target": "Cosette", "value": 2},
+    {"source": "Mlle.Gillenormand", "target": "Valjean", "value": 2},
+    {"source": "Mme.Pontmercy", "target": "Mlle.Gillenormand", "value": 1},
+    {"source": "Mme.Pontmercy", "target": "Pontmercy", "value": 1},
+    {"source": "Mlle.Vaubois", "target": "Mlle.Gillenormand", "value": 1},
+    {"source": "Lt.Gillenormand", "target": "Mlle.Gillenormand", "value": 2},
+    {"source": "Lt.Gillenormand", "target": "Gillenormand", "value": 1},
+    {"source": "Lt.Gillenormand", "target": "Cosette", "value": 1},
+    {"source": "Marius", "target": "Mlle.Gillenormand", "value": 6},
+    {"source": "Marius", "target": "Gillenormand", "value": 12},
+    {"source": "Marius", "target": "Pontmercy", "value": 1},
+    {"source": "Marius", "target": "Lt.Gillenormand", "value": 1},
+    {"source": "Marius", "target": "Cosette", "value": 21},
+    {"source": "Marius", "target": "Valjean", "value": 19},
+    {"source": "Marius", "target": "Tholomyes", "value": 1},
+    {"source": "Marius", "target": "Thenardier", "value": 2},
+    {"source": "Marius", "target": "Eponine", "value": 5},
+    {"source": "Marius", "target": "Gavroche", "value": 4},
+    {"source": "BaronessT", "target": "Gillenormand", "value": 1},
+    {"source": "BaronessT", "target": "Marius", "value": 1},
+    {"source": "Mabeuf", "target": "Marius", "value": 1},
+    {"source": "Mabeuf", "target": "Eponine", "value": 1},
+    {"source": "Mabeuf", "target": "Gavroche", "value": 1},
+    {"source": "Enjolras", "target": "Marius", "value": 7},
+    {"source": "Enjolras", "target": "Gavroche", "value": 7},
+    {"source": "Enjolras", "target": "Javert", "value": 6},
+    {"source": "Enjolras", "target": "Mabeuf", "value": 1},
+    {"source": "Enjolras", "target": "Valjean", "value": 4},
+    {"source": "Combeferre", "target": "Enjolras", "value": 15},
+    {"source": "Combeferre", "target": "Marius", "value": 5},
+    {"source": "Combeferre", "target": "Gavroche", "value": 6},
+    {"source": "Combeferre", "target": "Mabeuf", "value": 2},
+    {"source": "Prouvaire", "target": "Gavroche", "value": 1},
+    {"source": "Prouvaire", "target": "Enjolras", "value": 4},
+    {"source": "Prouvaire", "target": "Combeferre", "value": 2},
+    {"source": "Feuilly", "target": "Gavroche", "value": 2},
+    {"source": "Feuilly", "target": "Enjolras", "value": 6},
+    {"source": "Feuilly", "target": "Prouvaire", "value": 2},
+    {"source": "Feuilly", "target": "Combeferre", "value": 5},
+    {"source": "Feuilly", "target": "Mabeuf", "value": 1},
+    {"source": "Feuilly", "target": "Marius", "value": 1},
+    {"source": "Courfeyrac", "target": "Marius", "value": 9},
+    {"source": "Courfeyrac", "target": "Enjolras", "value": 17},
+    {"source": "Courfeyrac", "target": "Combeferre", "value": 13},
+    {"source": "Courfeyrac", "target": "Gavroche", "value": 7},
+    {"source": "Courfeyrac", "target": "Mabeuf", "value": 2},
+    {"source": "Courfeyrac", "target": "Eponine", "value": 1},
+    {"source": "Courfeyrac", "target": "Feuilly", "value": 6},
+    {"source": "Courfeyrac", "target": "Prouvaire", "value": 3},
+    {"source": "Bahorel", "target": "Combeferre", "value": 5},
+    {"source": "Bahorel", "target": "Gavroche", "value": 5},
+    {"source": "Bahorel", "target": "Courfeyrac", "value": 6},
+    {"source": "Bahorel", "target": "Mabeuf", "value": 2},
+    {"source": "Bahorel", "target": "Enjolras", "value": 4},
+    {"source": "Bahorel", "target": "Feuilly", "value": 3},
+    {"source": "Bahorel", "target": "Prouvaire", "value": 2},
+    {"source": "Bahorel", "target": "Marius", "value": 1},
+    {"source": "Bossuet", "target": "Marius", "value": 5},
+    {"source": "Bossuet", "target": "Courfeyrac", "value": 12},
+    {"source": "Bossuet", "target": "Gavroche", "value": 5},
+    {"source": "Bossuet", "target": "Bahorel", "value": 4},
+    {"source": "Bossuet", "target": "Enjolras", "value": 10},
+    {"source": "Bossuet", "target": "Feuilly", "value": 6},
+    {"source": "Bossuet", "target": "Prouvaire", "value": 2},
+    {"source": "Bossuet", "target": "Combeferre", "value": 9},
+    {"source": "Bossuet", "target": "Mabeuf", "value": 1},
+    {"source": "Bossuet", "target": "Valjean", "value": 1},
+    {"source": "Joly", "target": "Bahorel", "value": 5},
+    {"source": "Joly", "target": "Bossuet", "value": 7},
+    {"source": "Joly", "target": "Gavroche", "value": 3},
+    {"source": "Joly", "target": "Courfeyrac", "value": 5},
+    {"source": "Joly", "target": "Enjolras", "value": 5},
+    {"source": "Joly", "target": "Feuilly", "value": 5},
+    {"source": "Joly", "target": "Prouvaire", "value": 2},
+    {"source": "Joly", "target": "Combeferre", "value": 5},
+    {"source": "Joly", "target": "Mabeuf", "value": 1},
+    {"source": "Joly", "target": "Marius", "value": 2},
+    {"source": "Grantaire", "target": "Bossuet", "value": 3},
+    {"source": "Grantaire", "target": "Enjolras", "value": 3},
+    {"source": "Grantaire", "target": "Combeferre", "value": 1},
+    {"source": "Grantaire", "target": "Courfeyrac", "value": 2},
+    {"source": "Grantaire", "target": "Joly", "value": 2},
+    {"source": "Grantaire", "target": "Gavroche", "value": 1},
+    {"source": "Grantaire", "target": "Bahorel", "value": 1},
+    {"source": "Grantaire", "target": "Feuilly", "value": 1},
+    {"source": "Grantaire", "target": "Prouvaire", "value": 1},
+    {"source": "MotherPlutarch", "target": "Mabeuf", "value": 3},
+    {"source": "Gueulemer", "target": "Thenardier", "value": 5},
+    {"source": "Gueulemer", "target": "Valjean", "value": 1},
+    {"source": "Gueulemer", "target": "Mme.Thenardier", "value": 1},
+    {"source": "Gueulemer", "target": "Javert", "value": 1},
+    {"source": "Gueulemer", "target": "Gavroche", "value": 1},
+    {"source": "Gueulemer", "target": "Eponine", "value": 1},
+    {"source": "Babet", "target": "Thenardier", "value": 6},
+    {"source": "Babet", "target": "Gueulemer", "value": 6},
+    {"source": "Babet", "target": "Valjean", "value": 1},
+    {"source": "Babet", "target": "Mme.Thenardier", "value": 1},
+    {"source": "Babet", "target": "Javert", "value": 2},
+    {"source": "Babet", "target": "Gavroche", "value": 1},
+    {"source": "Babet", "target": "Eponine", "value": 1},
+    {"source": "Claquesous", "target": "Thenardier", "value": 4},
+    {"source": "Claquesous", "target": "Babet", "value": 4},
+    {"source": "Claquesous", "target": "Gueulemer", "value": 4},
+    {"source": "Claquesous", "target": "Valjean", "value": 1},
+    {"source": "Claquesous", "target": "Mme.Thenardier", "value": 1},
+    {"source": "Claquesous", "target": "Javert", "value": 1},
+    {"source": "Claquesous", "target": "Eponine", "value": 1},
+    {"source": "Claquesous", "target": "Enjolras", "value": 1},
+    {"source": "Montparnasse", "target": "Javert", "value": 1},
+    {"source": "Montparnasse", "target": "Babet", "value": 2},
+    {"source": "Montparnasse", "target": "Gueulemer", "value": 2},
+    {"source": "Montparnasse", "target": "Claquesous", "value": 2},
+    {"source": "Montparnasse", "target": "Valjean", "value": 1},
+    {"source": "Montparnasse", "target": "Gavroche", "value": 1},
+    {"source": "Montparnasse", "target": "Eponine", "value": 1},
+    {"source": "Montparnasse", "target": "Thenardier", "value": 1},
+    {"source": "Toussaint", "target": "Cosette", "value": 2},
+    {"source": "Toussaint", "target": "Javert", "value": 1},
+    {"source": "Toussaint", "target": "Valjean", "value": 1},
+    {"source": "Child1", "target": "Gavroche", "value": 2},
+    {"source": "Child2", "target": "Gavroche", "value": 2},
+    {"source": "Child2", "target": "Child1", "value": 3},
+    {"source": "Brujon", "target": "Babet", "value": 3},
+    {"source": "Brujon", "target": "Gueulemer", "value": 3},
+    {"source": "Brujon", "target": "Thenardier", "value": 3},
+    {"source": "Brujon", "target": "Gavroche", "value": 1},
+    {"source": "Brujon", "target": "Eponine", "value": 1},
+    {"source": "Brujon", "target": "Claquesous", "value": 1},
+    {"source": "Brujon", "target": "Montparnasse", "value": 1},
+    {"source": "Mme.Hucheloup", "target": "Bossuet", "value": 1},
+    {"source": "Mme.Hucheloup", "target": "Joly", "value": 1},
+    {"source": "Mme.Hucheloup", "target": "Grantaire", "value": 1},
+    {"source": "Mme.Hucheloup", "target": "Bahorel", "value": 1},
+    {"source": "Mme.Hucheloup", "target": "Courfeyrac", "value": 1},
+    {"source": "Mme.Hucheloup", "target": "Gavroche", "value": 1},
+    {"source": "Mme.Hucheloup", "target": "Enjolras", "value": 1}
+  ]
+}
diff --git a/app/data/randomdata.js b/app/data/randomdata.js
new file mode 100644
index 0000000..55e5598
--- /dev/null
+++ b/app/data/randomdata.js
@@ -0,0 +1,11 @@
+function genRandomTree(N = 300, reverse = false) {
+  return {
+    nodes: [...Array(N).keys()].map(i => ({ id: i })),
+      links: [...Array(N).keys()]
+    .filter(id => id)
+    .map(id => ({
+      [reverse ? 'target' : 'source']: id,
+      [reverse ? 'source' : 'target']: Math.round(Math.random() * (id-1))
+    }))
+  };
+}
diff --git a/app/data/randomdata.tsx b/app/data/randomdata.tsx
new file mode 100644
index 0000000..f24a2ba
--- /dev/null
+++ b/app/data/randomdata.tsx
@@ -0,0 +1,11 @@
+export default function genRandomTree(N = 300, reverse = false) {
+  return {
+    nodes: [...Array(N).keys()].map(i => ({ id: i })),
+      links: [...Array(N).keys()]
+    .filter(id => id)
+    .map(id => ({
+      [reverse ? 'target' : 'source']: id,
+      [reverse ? 'source' : 'target']: Math.round(Math.random() * (id-1))
+    }))
+  };
+}
diff --git a/app/screens/graph/graph-screen.tsx b/app/screens/graph/graph-screen.tsx
new file mode 100644
index 0000000..4ba2ee0
--- /dev/null
+++ b/app/screens/graph/graph-screen.tsx
@@ -0,0 +1,28 @@
+import React from "react"
+import { observer } from "mobx-react-lite"
+import { ViewStyle } from "react-native"
+import { Screen, Text } from "../../components"
+// import { useNavigation } from "@react-navigation/native"
+// import { useStores } from "../../models"
+import { color } from "../../theme"
+
+import { Graph } from "../../components"
+
+const ROOT: ViewStyle = {
+  backgroundColor: color.palette.black,
+  flex: 1,
+}
+
+export const GraphScreen = observer(function GraphScreen() {
+  // Pull in one of our MST stores
+  // const { someStore, anotherStore } = useStores()
+
+  // Pull in navigation via hook
+  // const navigation = useNavigation()
+  return (
+    <Screen style={ROOT} preset="scroll">
+      <Text preset="header" text="Graph" />
+      <Graph/>
+    </Screen>
+  )
+})