backups/Fantasy-Map-Generator
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improved export, now everything working!

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This commit is contained in:
Tom Vogt 2019-09-07 10:05:52 +02:00
parent 629b6d7c7c
commit 9cd63b6fec
2 changed files with 38 additions and 24 deletions
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2
QGIS/add_random_points.php
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@ -76,6 +76,6 @@ for ($i=0; $i<$iterations; $i++) {
}
}
echo json_encode($cells);
echo json_encode($cells, JSON_PRETTY_PRINT);
?>

60
modules/save-and-load.js
View file

@ -3,9 +3,9 @@
// download map data as GeoJSON
function saveGeoJSON() {
//saveGeoJSON_Cells();
saveGeoJSON_Cells();
saveGeoJSON_Roads();
//saveGeoJSON_Rivers();
saveGeoJSON_Rivers();
}
function saveGeoJSON_Roads() {
@ -14,30 +14,30 @@ 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);
console.log(routes._groups);
console.log(routes._groups[0]);
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);
//console.log(n.id);
n.childNodes.forEach(r => {
data += "{\n \"type\": \"Feature\",\n \"geometry\": { \"type\": \"LineString\", \"coordinates\": ";
data += JSON.stringify(getRoadPoints(r));
data += " },\n \"properties\": {\n";
data += " \"id\": \""+r.id+"\",\n";
data += " \"type\": \""+n.id+"\"\n";
data +=" }\n},\n";
});
data += JSON.stringify(getRiverPoints(n));
});
data = data.substring(0, data.length - 2)+"\n"; // remove trailing comma
data += "]}";
});
console.log(data);
const dataBlob = new Blob([data], {type: "application/json"});
const url = window.URL.createObjectURL(dataBlob);
const link = document.createElement("a");
document.body.appendChild(link);
link.download = "fmg_routes_" + Date.now() + ".geojson";
link.href = url;
link.click();
window.setTimeout(function() {window.URL.revokeObjectURL(url);}, 2000);
}
function saveGeoJSON_Rivers() {
@ -65,7 +65,22 @@ function saveGeoJSON_Rivers() {
window.setTimeout(function() {window.URL.revokeObjectURL(url);}, 2000);
}
function getRiverPoints(node) {
function getRoadPoints(node) {
let points = [];
const l = node.getTotalLength();
const increment = l / Math.ceil(l / 2);
for (let i=0; i <= l; i += increment) {
const p = node.getPointAtLength(i);
let x = mapCoordinates.lonW + (p.x / graphWidth) * mapCoordinates.lonT;
let y = mapCoordinates.latN - (p.y / graphHeight) * mapCoordinates.latT; // this is inverted in QGIS otherwise
points.push([x,y]);
}
return points;
}
function getPathPoints(node, increment) {
let points = [];
const l = node.getTotalLength() / 2; // half-length
const increment = 0.25; // defines density of points
@ -82,7 +97,6 @@ function getRiverPoints(node) {
}
function saveGeoJSON_Cells() {
let data = "{ \"type\": \"FeatureCollection\", \"features\": [\n";