backups/Fantasy-Map-Generator
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added GeoJSON export for markers (POIs)

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Tom Vogt 2019-09-14 23:17:43 +02:00
parent 0dc7d622ce
commit 9bdc8a3094
1 changed files with 43 additions and 5 deletions
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48
modules/save-and-load.js
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@ -3,13 +3,50 @@
// download map data as GeoJSON
function saveGeoJSON() {
/*
saveGeoJSON_Cells();
saveGeoJSON_Roads();
saveGeoJSON_Rivers();
*/
saveGeoJSON_Markers();
}
function saveGeoJSON_Markers() {
let data = "{ \"type\": \"FeatureCollection\", \"features\": [\n";
markers._groups[0][0].childNodes.forEach(n => {
console.log(n);
console.log("id = "+n.id);
console.log("type = "+n.dataset.id.substring(8));
console.log("x = "+n.dataset.x);
console.log("y = "+n.dataset.y);
let x = mapCoordinates.lonW + (n.dataset.x / graphWidth) * mapCoordinates.lonT;
let y = mapCoordinates.latN - (n.dataset.y / graphHeight) * mapCoordinates.latT; // this is inverted in QGIS otherwise
data += "{\n \"type\": \"Feature\",\n \"geometry\": { \"type\": \"Point\", \"coordinates\": ["+x+", "+y+"]";
data += " },\n \"properties\": {\n";
data += " \"id\": \""+n.id+"\",\n";
data += " \"type\": \""+n.dataset.id.substring(8)+"\"\n";
data +=" }\n},\n";
});
data = data.substring(0, data.length - 2)+"\n"; // remove trailing comma
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_markers_" + Date.now() + ".geojson";
link.href = url;
link.click();
window.setTimeout(function() {window.URL.revokeObjectURL(url);}, 2000);
}
function saveGeoJSON_Roads() {
// this is work-in-progress
roads = routes.select("#roads");
trails = routes.select("#trails");
searoutes = routes.select("#searoutes");
@ -332,11 +369,11 @@ function getMapData() {
const dateString = date.getFullYear() + "-" + (date.getMonth() + 1) + "-" + date.getDate();
const license = "File can be loaded in azgaar.github.io/Fantasy-Map-Generator";
const params = [version, license, dateString, seed, graphWidth, graphHeight].join("|");
const options = [distanceUnitInput.value, distanceScaleInput.value, areaUnit.value,
const options = [distanceUnitInput.value, distanceScaleInput.value, areaUnit.value,
heightUnit.value, heightExponentInput.value, temperatureScale.value,
barSize.value, barLabel.value, barBackOpacity.value, barBackColor.value,
barSize.value, barLabel.value, barBackOpacity.value, barBackColor.value,
barPosX.value, barPosY.value, populationRate.value, urbanization.value,
mapSizeOutput.value, latitudeOutput.value, temperatureEquatorOutput.value,
mapSizeOutput.value, latitudeOutput.value, temperatureEquatorOutput.value,
temperaturePoleOutput.value, precOutput.value, JSON.stringify(winds),
mapName.value].join("|");
const coords = JSON.stringify(mapCoordinates);
@ -410,6 +447,7 @@ function saveGeoJSON() {
Cells: saveGeoJSON_Cells,
Routes: saveGeoJSON_Roads,
Rivers: saveGeoJSON_Rivers,
Markers: saveGeoJSON_Markers,
Close: function() {$(this).dialog("close");}
}
});
@ -992,4 +1030,4 @@ function parseLoadedData(data) {
});
}
}
}