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adding river data (id, width, increment)

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added PHP script to add random details to cells.
This commit is contained in:
Tom Vogt 2019-09-07 09:19:38 +02:00
parent 607d573b83
commit 629b6d7c7c
2 changed files with 104 additions and 7 deletions
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30
modules/save-and-load.js
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@ -3,9 +3,9 @@
// download map data as GeoJSON
function saveGeoJSON() {
saveGeoJSON_Cells();
//saveGeoJSON_Roads();
saveGeoJSON_Rivers();
//saveGeoJSON_Cells();
saveGeoJSON_Roads();
//saveGeoJSON_Rivers();
}
function saveGeoJSON_Roads() {
@ -14,6 +14,8 @@ function saveGeoJSON_Roads() {
trails = routes.select("#trails");
searoutes = routes.select("#searoutes");
console.log(rivers._groups[0][0].childNodes);
console.log(typeof(roads));
console.log(roads);
@ -22,18 +24,32 @@ function saveGeoJSON_Roads() {
console.log(routes._groups[0][0]);
console.log(routes._groups[0][0].childNodes);
let data = "{ \"type\": \"FeatureCollection\", \"features\": [\n";
let id = 0;
// roads
routes._groups[0][0].childNodes.forEach(n => {
id++;
n.forEach(x => {
console.log(x);
});
data += JSON.stringify(getRiverPoints(n));
});
console.log(data);
}
function saveGeoJSON_Rivers() {
let data = "{ \"type\": \"FeatureCollection\", \"features\": [\n";
let id = 0;
rivers._groups[0][0].childNodes.forEach(n => {
id++;
data += "{\n \"type\": \"Feature\",\n \"geometry\": { \"type\": \"LineString\", \"coordinates\": ";
data += JSON.stringify(getRiverPoints(n));
data += " },\n \"properties\": {\n";
data += " \"id\": \""+id+"\"\n";
data += " \"id\": \""+n.id+"\",\n";
data += " \"width\": \""+n.dataset.width+"\",\n";
data += " \"increment\": \""+n.dataset.increment+"\"\n";
data +=" }\n},\n";
});
data = data.substring(0, data.length - 2)+"\n"; // remove trailing comma
@ -52,7 +68,7 @@ function saveGeoJSON_Rivers() {
function getRiverPoints(node) {
let points = [];
const l = node.getTotalLength() / 2; // half-length
const increment = 0.5; // defines density of points
const increment = 0.25; // defines density of points
for (let i=l, c=i; i >= 0; i -= increment, c += increment) {
const p1 = node.getPointAtLength(i);
const p2 = node.getPointAtLength(c);