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Code Issues 2 Packages Projects Releases Wiki Activity

force graph input

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This commit is contained in:
marshennikovaolga
2024-08-31 22:13:59 +03:00
parent 32352ca5f4
commit 2a8675e3d9
3 changed files with 148 additions and 107 deletions
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167
web/components/routes/force-graph-client-lazy.tsx
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@@ -1,16 +1,16 @@
"use client"
import * as react from "react"
import * as fg from "@nothing-but/force-graph"
import {ease, trig, raf} from "@nothing-but/utils"
import * as react from "react"
import * as fg from "@nothing-but/force-graph"
import { ease, trig, raf } from "@nothing-but/utils"
import * as schedule from "@/lib/utils/schedule"
import * as canvas from "@/lib/utils/canvas"
import * as canvas from "@/lib/utils/canvas"
export type RawGraphNode = {
name: string,
prettyName: string,
connectedTopics: string[],
name: string
prettyName: string
connectedTopics: string[]
}
type HSL = [hue: number, saturation: number, lightness: number]
@@ -57,8 +57,7 @@ const visitColorNode = (
}
}
function generateColorMap(nodes: readonly fg.graph.Node[]): ColorMap
{
function generateColorMap(nodes: readonly fg.graph.Node[]): ColorMap {
const hls_map: HSLMap = new Map()
for (let i = 0; i < nodes.length; i++) {
@@ -75,8 +74,7 @@ function generateColorMap(nodes: readonly fg.graph.Node[]): ColorMap
return color_map
}
function generateNodesFromRawData(raw_data: RawGraphNode[]): [fg.graph.Node[], fg.graph.Edge[]]
{
function generateNodesFromRawData(raw_data: RawGraphNode[]): [fg.graph.Node[], fg.graph.Edge[]] {
const nodes_map = new Map<string, fg.graph.Node>()
const edges: fg.graph.Edge[] = []
@@ -120,22 +118,20 @@ function filterNodes(
// regex matching all letters of the filter (out of order)
const regex = new RegExp(filter.split("").join(".*"), "i")
graph.nodes = nodes.filter((node) => regex.test(node.label))
graph.edges = edges.filter(
(edge) => regex.test(edge.a.label) && regex.test(edge.b.label)
)
graph.nodes = nodes.filter(node => regex.test(node.label))
graph.edges = edges.filter(edge => regex.test(edge.a.label) && regex.test(edge.b.label))
fg.graph.resetGraphGrid(graph.grid, graph.nodes)
}
const GRAPH_OPTIONS: fg.graph.Options = {
min_move: 0.001,
min_move: 0.001,
inertia_strength: 0.3,
origin_strength: 0.01,
repel_distance: 40,
repel_strength: 2,
link_strength: 0.015,
grid_size: 500,
origin_strength: 0.01,
repel_distance: 40,
repel_strength: 2,
link_strength: 0.015,
grid_size: 500
}
const TITLE_SIZE_PX = 400
@@ -155,18 +151,17 @@ const simulateGraph = (
Push nodes away from the center (the title)
*/
let grid_radius = graph.grid.size / 2
let origin_x = grid_radius + canvas.translate.x
let origin_y = grid_radius + canvas.translate.y
let vmax = Math.max(vw, vh)
let origin_x = grid_radius + canvas.translate.x
let origin_y = grid_radius + canvas.translate.y
let vmax = Math.max(vw, vh)
let push_radius =
(Math.min(TITLE_SIZE_PX, vw / 2, vh / 2) / vmax) *
(graph.grid.size / canvas.scale) +
(Math.min(TITLE_SIZE_PX, vw / 2, vh / 2) / vmax) * (graph.grid.size / canvas.scale) +
80 /* additional margin for when scrolled in */
for (let node of graph.nodes) {
let dist_x = node.position.x - origin_x
let dist_x = node.position.x - origin_x
let dist_y = (node.position.y - origin_y) * 2
let dist = Math.sqrt(dist_x * dist_x + dist_y * dist_y)
let dist = Math.sqrt(dist_x * dist_x + dist_y * dist_y)
if (dist > push_radius) continue
let strength = ease.in_expo((push_radius - dist) / push_radius)
@@ -176,45 +171,44 @@ const simulateGraph = (
}
}
const drawGraph = (
canvas: fg.canvas.CanvasState,
color_map: ColorMap
): void => {
const drawGraph = (canvas: fg.canvas.CanvasState, color_map: ColorMap): void => {
fg.canvas.resetFrame(canvas)
fg.canvas.drawEdges(canvas)
/*
Draw text nodes
*/
let {ctx, graph} = canvas
let {width, height} = canvas.ctx.canvas
let max_size = Math.max(width, height)
let { ctx, graph } = canvas
let { width, height } = canvas.ctx.canvas
let max_size = Math.max(width, height)
ctx.textAlign = "center"
ctx.textBaseline = "middle"
for (let node of graph.nodes) {
let opacity = 0.6 + ((node.mass - 1) / 50) * 4
let opacity = 0.6 + ((node.mass-1) / 50) * 4
ctx.font = `${max_size / 200 + (((node.mass - 1) / 5) * (max_size / 100)) / canvas.scale}px sans-serif`
ctx.font = `${max_size/200 + (((node.mass-1) / 5) * (max_size/100)) / canvas.scale}px sans-serif`
ctx.fillStyle =
node.anchor || canvas.hovered_node === node
? `rgba(129, 140, 248, ${opacity})`
: `hsl(${color_map[node.key as string]} / ${opacity})`
ctx.fillStyle = node.anchor || canvas.hovered_node === node
? `rgba(129, 140, 248, ${opacity})`
: `hsl(${color_map[node.key as string]} / ${opacity})`
ctx.fillText(node.label,
ctx.fillText(
node.label,
(node.position.x / graph.grid.size) * max_size,
(node.position.y / graph.grid.size) * max_size)
(node.position.y / graph.grid.size) * max_size
)
}
}
class State {
class State {
ctx: CanvasRenderingContext2D | null = null
nodes: fg.graph.Node[] = []
edges: fg.graph.Edge[] = []
graph: fg.graph.Graph = fg.graph.makeGraph(GRAPH_OPTIONS, [], [])
graph: fg.graph.Graph = fg.graph.makeGraph(GRAPH_OPTIONS, [], [])
gestures: fg.canvas.CanvasGestures | null = null
loop: raf.AnimationLoop | null = null
@@ -226,29 +220,30 @@ class State {
}
function init(
s : State,
s: State,
props: {
onNodeClick: (name: string) => void
raw_nodes: RawGraphNode[]
canvas_el: HTMLCanvasElement | null
}) {
let {canvas_el, raw_nodes} = props
}
) {
let { canvas_el, raw_nodes } = props
if (canvas_el == null) return
s.ctx = canvas_el.getContext("2d")
if (s.ctx == null) return
[s.nodes, s.edges] = generateNodesFromRawData(raw_nodes)
let color_map = generateColorMap(s.nodes)
;[s.nodes, s.edges] = generateNodesFromRawData(raw_nodes)
let color_map = generateColorMap(s.nodes)
s.graph = fg.graph.makeGraph(GRAPH_OPTIONS, s.nodes.slice(), s.edges.slice())
let canvas_state = fg.canvas.canvasState({
ctx: s.ctx,
graph: s.graph,
max_scale: 3,
init_scale: 1.7,
ctx: s.ctx,
graph: s.graph,
max_scale: 3,
init_scale: 1.7,
init_grid_pos: trig.ZERO
})
@@ -259,7 +254,7 @@ function init(
})
s.ro.observe(canvas_el)
let loop = s.loop = raf.makeAnimationLoop((time) => {
let loop = (s.loop = raf.makeAnimationLoop(time => {
let is_active = gestures.mode.type === fg.canvas.Mode.DraggingNode
let iterations = raf.calcIterations(s.frame_iter_limit, time)
@@ -268,30 +263,25 @@ function init(
simulateGraph(s.alpha, s.graph, canvas_state, window.innerWidth, window.innerHeight)
}
drawGraph(canvas_state, color_map)
})
}))
raf.loopStart(loop)
let gestures = s.gestures = fg.canvas.canvasGestures({
let gestures = (s.gestures = fg.canvas.canvasGestures({
canvas: canvas_state,
onGesture: (e) => {
onGesture: e => {
switch (e.type) {
case fg.canvas.GestureEventType.Translate:
s.bump_end = raf.bump(s.bump_end)
break
case fg.canvas.GestureEventType.NodeClick:
props.onNodeClick(e.node.key as string)
break
case fg.canvas.GestureEventType.NodeDrag:
fg.graph.changeNodePosition(
canvas_state.graph.grid,
e.node,
e.pos.x,
e.pos.y
)
break
case fg.canvas.GestureEventType.Translate:
s.bump_end = raf.bump(s.bump_end)
break
case fg.canvas.GestureEventType.NodeClick:
props.onNodeClick(e.node.key as string)
break
case fg.canvas.GestureEventType.NodeDrag:
fg.graph.changeNodePosition(canvas_state.graph.grid, e.node, e.pos.x, e.pos.y)
break
}
}
})
}))
}
function updateQuery(s: State, filter_query: string) {
@@ -318,16 +308,15 @@ export type ForceGraphProps = {
}
export default function ForceGraphClient(props: ForceGraphProps): react.JSX.Element {
const [canvas_el, setCanvasEl] = react.useState<HTMLCanvasElement | null>(null)
const state = react.useRef(new State())
react.useEffect(() => {
init(state.current, {
canvas_el: canvas_el,
canvas_el: canvas_el,
onNodeClick: props.onNodeClick,
raw_nodes: props.raw_nodes,
raw_nodes: props.raw_nodes
})
}, [canvas_el])
@@ -339,16 +328,18 @@ export default function ForceGraphClient(props: ForceGraphProps): react.JSX.Elem
return () => cleanup(state.current)
}, [])
return <div className="absolute inset-0 overflow-hidden">
<canvas
ref={setCanvasEl}
style={{
position: "absolute",
top: "-10%",
left: "-10%",
width: "120%",
height: "120%",
}}
/>
</div>
return (
<div className="absolute inset-0 overflow-hidden">
<canvas
ref={setCanvasEl}
style={{
position: "absolute",
top: "-10%",
left: "-10%",
width: "120%",
height: "120%"
}}
/>
</div>
)
}