From 5a1fbc937470b4f43b318dd0fa9af01b4a47b188 Mon Sep 17 00:00:00 2001
From: DhammaCharts <100090806+DhammaCharts@users.noreply.github.com>
Date: Wed, 01 Jun 2022 12:49:27 +0000
Subject: [PATCH] Improve graph display, options and ability to have a global graph on the home page, local graphs on subpage.
---
assets/js/graph.js | 43 +++++++++++++++++++++++++++++++++----------
1 files changed, 33 insertions(+), 10 deletions(-)
diff --git a/assets/js/graph.js b/assets/js/graph.js
index c7634cf..48248ec 100644
--- a/assets/js/graph.js
+++ b/assets/js/graph.js
@@ -1,4 +1,16 @@
-async function drawGraph(baseUrl, pathColors, depth, enableDrag, enableLegend, enableZoom) {
+async function drawGraph(
+ baseUrl,
+ pathColors,
+ depth,
+ enableDrag,
+ enableLegend,
+ enableZoom,
+ isHome,
+ opacityScale,
+ scale,
+ repelForce,
+ fontSize
+) {
const container = document.getElementById("graph-container")
const { index, links, content } = await fetchData
@@ -82,12 +94,12 @@
.on("end", enableDrag ? dragended : noop)
}
- const height = Math.max(container.offsetHeight, 250)
+ const height = Math.max(container.offsetHeight, isHome ? 500 : 250)
const width = container.offsetWidth
const simulation = d3
.forceSimulation(data.nodes)
- .force("charge", d3.forceManyBody().strength(-30))
+ .force("charge", d3.forceManyBody().strength(-100 * repelForce))
.force(
"link",
d3
@@ -102,7 +114,7 @@
.append("svg")
.attr("width", width)
.attr("height", height)
- .attr("viewBox", [-width / 2, -height / 2, width, height])
+ .attr('viewBox', [-width / 2 * 1 / scale, -height / 2 * 1 / scale, width * 1 / scale, height * 1 / scale])
if (enableLegend) {
const legend = [{ Current: "var(--g-node-active)" }, { Note: "var(--g-node)" }, ...pathColors]
@@ -168,7 +180,7 @@
])
const neighbourNodes = d3.selectAll(".node").filter((d) => neighbours.includes(d.id))
const currentId = d.id
- window.Million.prefetch(new URL(`${baseUrl}${decodeURI(d.id).replace(/\s+/g, "-")}/`))
+ // window.Million.prefetch(new URL(`${baseUrl}${decodeURI(d.id).replace(/\s+/g, "-")}/`))
const linkNodes = d3
.selectAll(".link")
.filter((d) => d.source.id === currentId || d.target.id === currentId)
@@ -179,13 +191,18 @@
// highlight links
linkNodes.transition().duration(200).attr("stroke", "var(--g-link-active)")
+ const bigFont = fontSize+0.5
+
// show text for self
d3.select(this.parentNode)
.raise()
.select("text")
.transition()
.duration(200)
- .style("opacity", 1)
+ .attr('opacityOld', d3.select(this.parentNode).select('text').style("opacity"))
+ .style('opacity', 1)
+ .style('font-size', bigFont+'em')
+ .attr('dy', d => nodeRadius(d) + 20 + 'px') // radius is in px
})
.on("mouseleave", function (_, d) {
d3.selectAll(".node").transition().duration(200).attr("fill", color)
@@ -197,7 +214,13 @@
linkNodes.transition().duration(200).attr("stroke", "var(--g-link)")
- d3.select(this.parentNode).select("text").transition().duration(200).style("opacity", 0)
+ d3.select(this.parentNode)
+ .select("text")
+ .transition()
+ .duration(200)
+ .style('opacity', d3.select(this.parentNode).select('text').attr("opacityOld"))
+ .style('font-size', fontSize+'em')
+ .attr('dy', d => nodeRadius(d) + 8 + 'px') // radius is in px
})
.call(drag(simulation))
@@ -208,9 +231,9 @@
.attr("dy", (d) => nodeRadius(d) + 8 + "px")
.attr("text-anchor", "middle")
.text((d) => content[d.id]?.title || d.id.replace("-", " "))
- .style("opacity", 0)
+ .style('opacity', (opacityScale - 1) / 3.75)
.style("pointer-events", "none")
- .style("font-size", "0.4em")
+ .style('font-size', fontSize+'em')
.raise()
.call(drag(simulation))
@@ -228,7 +251,7 @@
.on("zoom", ({ transform }) => {
link.attr("transform", transform)
node.attr("transform", transform)
- const scale = transform.k
+ const scale = transform.k * opacityScale;
const scaledOpacity = Math.max((scale - 1) / 3.75, 0)
labels.attr("transform", transform).style("opacity", scaledOpacity)
}),
--
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