using the ArcGIS API and a JSON request
https://ags.cuzk.cz/arcgis/rest/services/RUIAN/Vyhledavaci_sluzba_nad_daty_RUIAN/MapServer/7/query?where=kod%3D704865&text=&objectIds=&time=&timeRelation=esriTimeRelationOverlaps&geometry=&geometryType=esriGeometryEnvelope&inSR=&spatialRel=esriSpatialRelIntersects&distance=&units=esriSRUnit_Foot&relationParam=&outFields=&returnGeometry=true&returnTrueCurves=false&maxAllowableOffset=&geometryPrecision=&outSR=&havingClause=&returnIdsOnly=false&returnCountOnly=false&orderByFields=&groupByFieldsForStatistics=&outStatistics=&returnZ=false&returnM=false&gdbVersion=&historicMoment=&returnDistinctValues=false&resultOffset=&resultRecordCount=&returnExtentOnly=false&sqlFormat=none&datumTransformation=¶meterValues=&rangeValues=&quantizationParameters=&featureEncoding=esriDefault&f=pjson
returns
{
"displayFieldName": "nazev",
"fieldAliases": {
"nazev": "Název katastrálního území"
},
"geometryType": "esriGeometryPolygon",
"spatialReference": {
"wkid": 102067,
"latestWkid": 5514
},
"fields": [
{
"name": "nazev",
"type": "esriFieldTypeString",
"alias": "Název katastrálního území",
"length": 48
}
],
"features": [
{
"attributes": {
"nazev": "Nosislav"
},
"geometry": {
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data continues....
