Hello,
I’m trying to show several polygons with all the plots that a person has. The problem that the coordinates of several polygons intersect. And it doesn’t show me anything, it just tells me that there is an error.
Is there a way to show several polygons that their coordinates are intertwined?
Hi Cesar,
Please can you provide more context to your question. e.g. which API you are using, the error message that you return and what you are trying to achieve.
Hello William,
Thank you very much and sorry for not providing more explanations. Below I put the code where the polygon goes, currently it only has one, I have the problem when a coordinate overlaps between two polygons.
L.GridLayer.SHProcessLayer = L.GridLayer.extend({
createTile: function (coords, done) {
const tile = L.DomUtil.create("img", "leaflet-tile");
const tileSize = this.options.tileSize;
tile.width = tileSize;
tile.height = tileSize;
const nwPoint = coords.multiplyBy(tileSize);
const sePoint = nwPoint.add([tileSize, tileSize]);
const nw = L.CRS.EPSG4326.project(
this._map.unproject(nwPoint, coords.z)
);
const se = L.CRS.EPSG4326.project(
this._map.unproject(sePoint, coords.z)
);
authTokenPromise.then((authToken) => {
// https://docs.sentinel-hub.com/api/latest/reference/#tag/process
const payload = {
input: {
bounds: {
bbox: [nw.x, nw.y, se.x, se.y],
geometry: {
type: "Polygon",
coordinates: [
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[-4.1381101028426,36.780042456018],
[-4.1388206032892,36.779660432318]
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[-4.1373290368254,36.780502046693],
[-4.1374027204642,36.780481504324],
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[-4.1376194790077,36.780338084923],
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[-4.1378965269079,36.780102337176],
[-4.1379945390221,36.780059244133],
[-4.1380746792413,36.780058477189],
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[-4.138215217782,36.780181121204]
]
]
},
properties: {
crs: "http://www.opengis.net/def/crs/EPSG/0/4326",
},
},
data: [
{
dataFilter: {
timeRange: {
from: fromDate,
to: toDate,
},
maxCloudCoverage: 20,// nubes,
mosaickingOrder: "mostRecent",
},
processing: {},
type: dataset,
},
],
},
output: {
width: 512,
height: 512,
responses: [
{
identifier: "default",
format: {type: "image/png"},
},
],
},
evalscript: this.options.evalscript,
};
Keep going…
I obtain the coordinates from a public database in the name of the farmer. So I can’t modify them much…
I hope you can see what I mean.
Thank you so much
Hi Cesar,
In that case, either you can run separate requests for each of the polygons that you have obtained or you can perform a Union of the three intersecting polygons. This page does a good job explaining how this operation works. You will be able to do this either using ArcGIS or QGIS.
Hi William,
I used the option of showing the plots separately, but the farmers asked me to show all the farms together to see them better.
And I thought about the option of joining the polygons, but when they asked me to show them all together, but separately, it gave me these headaches.
Although I thought that two polygons could be superimposed, as if they were independent layers, although I understand that not in the same request.
I’ll keep thinking about it to see what I can do.
A thousand thanks for your help.
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