Added colour and biomes to elevation profile

This commit is contained in:
Evolvedexperiment 2020-05-10 19:35:15 +00:00
parent 6dd1e22e93
commit 418d364259
3 changed files with 57 additions and 18 deletions

View file

@ -1,4 +1,5 @@
"use strict";
function showEPForRoute(node) {
const points = [];
debug.select("#controlPoints").selectAll("circle").each(function() {
@ -21,7 +22,8 @@ function showEPForRiver(node) {
showElevationProfile(points, riverLen, true);
}
function resizeElevationProfile() {
function closeElevationProfile() {
modules.elevation = false;
}
function showElevationProfile(data, routeLen, isRiver) {
@ -30,6 +32,7 @@ function showElevationProfile(data, routeLen, isRiver) {
$("#elevationProfile").dialog({
title: "Elevation profile", resizable: false, width: window.width,
close: closeElevationProfile,
position: {my: "left top", at: "left+20 bottom-240", of: window, collision: "fit"}
});
@ -43,14 +46,17 @@ function showElevationProfile(data, routeLen, isRiver) {
}
}
// points is a chart (x going right, y going up) as opposed to the screen (x going right, y going down)
const points = [];
var prevB=0, prevH=-1, i=0, j=0, cell=0, b=0, ma=0, mi=100, h=0;
var prevB=0, prevH=-1, i=0, j=0, cell=0, b=0, biome, ma=0, mi=100, h=0;
for (var i=0; i<data.length; i++) {
cell = data[i];
h = pack.cells.h[cell];
if (h < 20) h = 20;
biome = pack.cells.biome[cell];
// check for river up-hill
if (prevH != -1) {
if (isRiver) {
@ -68,7 +74,7 @@ function showElevationProfile(data, routeLen, isRiver) {
b = pack.cells.burg[cell];
if (b == prevB) b = 0;
else prevB = b;
points.push({x:j, y:h, b:b});
points.push({x:j, y:h, b:b, biome:biome});
j++;
}
@ -78,13 +84,48 @@ function showElevationProfile(data, routeLen, isRiver) {
const xOffset = 100;
const yOffset = 80;
var chart = d3.select("#elevationGraph").append("svg").attr("width", w+200).attr("height", h+yOffset).attr("id", "elevationGraph");
const chart = d3.select("#elevationGraph").append("svg").attr("width", w+200).attr("height", h+yOffset).attr("id", "elevationGraph");
// arrow-head definition
chart.append("defs").append("marker").attr("id", "arrowhead").attr("orient", "auto").attr("markerWidth", "2").attr("markerHeight", "4").attr("refX", "0.1").attr("refY", "2").append("path").attr("d", "M0,0 V4 L2,2 Z");
// main graph line
var lineFunc = d3.line().x(d => d.x * w / points.length + xOffset).y(d => h-d.y + yOffset);
chart.append("path").attr("d", lineFunc(points)).attr("stroke", "purple").attr("fill", "none").attr("id", "elevationLine");
const skyGradient = d3.scaleSequential(d3.interpolateBlues);
const skydef = chart.select("defs").append("linearGradient").attr("id", "skydef").attr("x1", "0%").attr("y1", "0%").attr("x2", "0%").attr("y2", "100%");
skydef.append("stop").attr("offset", "0%").attr("style", "stop-color:"+skyGradient(0.90)+";stop-opacity:1");
skydef.append("stop").attr("offset", "100%").attr("style", "stop-color:"+skyGradient(0.25)+";stop-opacity:1");
const sky = chart.append("g").append("rect").attr("y", yOffset).attr("x", xOffset).attr("width", w).attr("height", h).attr("fill", "url(#skydef)");
// biome colors
for (var k=0; k<biomesData.color.length; k++) {
var grad = chart.select("defs").append("linearGradient").attr("id", "grad"+k).attr("x1", "0%").attr("y1", "0%").attr("x2", "0%").attr("y2", "100%");
grad.append("stop").attr("offset", "0%").attr("style", "stop-color:"+biomesData.color[k]+";stop-opacity:1");
grad.append("stop").attr("offset", "100%").attr("style", "stop-color:"+biomesData.color[k]+";stop-opacity:1");
}
var xscale = d3.scaleLinear().domain([0, points.length]).range([0, w]);
var yscale = d3.scaleLinear().domain([0, 100]).range([h, 0]);
points.push({x:points[points.length-1].x+1, y:points[points.length-1].y, biome:points[points.length-1].biome});
var poly=[];
for(var k=0; k<points.length-1; k++) {
poly=[];
const b=points[k].biome;
poly.push({x:points[k].x, y:0});
poly.push({x:points[k].x, y:points[k].y});
poly.push({x:points[k+1].x, y:points[k+1].y});
poly.push({x:points[k+1].x, y:0});
poly.push({x:points[k].x, y:0});
const he = points[k].y;
chart.append("g").selectAll("polygon").data([poly]).enter().append("polygon").attr("data-tip", biomesData.name[b]+" (" + getHeight(he)+")").attr("stroke", biomesData.color[b]).attr("fill", "url(#grad"+b+")").attr("points", function(d) {
return d.map(function(d) {
return [xscale(d.x)+xOffset,yscale(d.y)+yOffset].join(",");
}).join(" ");
});
}
points.pop();
// y-axis labels for starting and ending heights
chart.append("text").attr("id", "epy0").attr("x", xOffset-10).attr("y", h-points[0].y + yOffset).attr("text-anchor", "end");
@ -103,22 +144,20 @@ function showElevationProfile(data, routeLen, isRiver) {
}
// x-axis label for start, quarter, halfway and three-quarter, and end
chart.append("text").attr("id", "epx1").attr("x", xOffset).attr("y", h+yOffset).attr("text-anchor", "middle");
chart.append("text").attr("id", "epx2").attr("x", w / 4 + xOffset).attr("y", h+yOffset).attr("text-anchor", "middle");
chart.append("text").attr("id", "epx3").attr("x", w / 2 + xOffset).attr("y", h+yOffset).attr("text-anchor", "middle");
chart.append("text").attr("id", "epx4").attr("x", w / 4*3 + xOffset).attr("y", h+yOffset).attr("text-anchor", "middle");
chart.append("text").attr("id", "epx5").attr("x", w + xOffset).attr("y", h+yOffset).attr("text-anchor", "middle");
chart.append("text").attr("id", "epx1").attr("x", xOffset-20).attr("y", h+yOffset-5).attr("text-anchor", "middle");
chart.append("text").attr("id", "epx2").attr("x", w / 4 + xOffset).attr("y", h+yOffset-5).attr("text-anchor", "middle");
chart.append("text").attr("id", "epx3").attr("x", w / 2 + xOffset).attr("y", h+yOffset-5).attr("text-anchor", "middle");
chart.append("text").attr("id", "epx4").attr("x", w / 4*3 + xOffset).attr("y", h+yOffset-5).attr("text-anchor", "middle");
chart.append("text").attr("id", "epx5").attr("x", w + xOffset + 10).attr("y", h+yOffset-5).attr("text-anchor", "middle");
document.getElementById("epx1").innerHTML = "0 " + distanceUnitInput.value;
document.getElementById("epx2").innerHTML = rn(routeLen / 4) + " " + distanceUnitInput.value;
document.getElementById("epx3").innerHTML = rn(routeLen / 2) + " " + distanceUnitInput.value;
document.getElementById("epx4").innerHTML = rn(routeLen / 4*3) + " " + distanceUnitInput.value;
document.getElementById("epx5").innerHTML = rn(routeLen) + " " + distanceUnitInput.value;
chart.append("path").attr("id", "epx11").attr("d", "M" + (xOffset).toString() + ",0L" + (xOffset).toString() +"," + (h+yOffset-15).toString()).attr("stroke", "lightgray").attr("stroke-width", "1");
chart.append("path").attr("id", "epx12").attr("d", "M" + (w / 4 + xOffset).toString() + "," + (h+yOffset-15).toString() + "L" + (w / 4 + xOffset).toString() + ",0").attr("stroke", "lightgray").attr("stroke-width", "1");
chart.append("path").attr("id", "epx13").attr("d", "M" + (w / 2 + xOffset).toString() + "," + (h+yOffset-15).toString() + "L" + (w / 2 + xOffset).toString() + ",0").attr("stroke", "lightgray").attr("stroke-width", "1");
chart.append("path").attr("id", "epx14").attr("d", "M" + (w / 4*3 + xOffset).toString() + "," + (h+yOffset-15).toString() + "L" + (w / 4*3 + xOffset).toString() + ",0").attr("stroke", "lightgray").attr("stroke-width", "1");
chart.append("path").attr("id", "epx15").attr("d", "M" + (w + xOffset).toString() + ",0L" + (w + xOffset).toString() +"," + (h+yOffset-15).toString()).attr("stroke", "lightgray").attr("stroke-width", "1");
// draw city labels - try to avoid putting labels over one another
var y1 = 0;

View file

@ -55,7 +55,7 @@ function editRiver(id) {
function drawControlPoints(node) {
const l = node.getTotalLength() / 2;
const segments = Math.ceil(l / 8);
const segments = Math.ceil(l / 4);
const increment = rn(l / segments * 1e5);
for (let i=increment*segments, c=i; i >= 0; i -= increment, c += increment) {
const p1 = node.getPointAtLength(i / 1e5);
@ -183,7 +183,7 @@ function editRiver(id) {
function showElevationProfile() {
modules.elevation = true;
showEPForRiver(node);
showEPForRiver(elSelected.node());
}
function showRiverWidth() {

View file

@ -47,7 +47,7 @@ function editRoute(onClick) {
function drawControlPoints(node) {
const l = node.getTotalLength();
const increment = l / Math.ceil(l / 8);
const increment = l / Math.ceil(l / 4);
for (let i=0; i <= l; i += increment) {addControlPoint(node.getPointAtLength(i));}
routeLength.innerHTML = rn(l * distanceScaleInput.value) + " " + distanceUnitInput.value;
}
@ -110,7 +110,7 @@ function editRoute(onClick) {
function showElevationProfile() {
modules.elevation = true;
showEPForRoute(node);
showEPForRoute(elSelected.node());
}
function showGroupSection() {