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extract map data from Arcgis Rest service World_Topo_Map
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import requests | |
params = { | |
"text": "", | |
"objectIds": "", | |
"time": "", | |
"geometry": "", | |
"geometryType": "esriGeometryEnvelope", | |
"inSR": "", | |
"spatialRel": "esriSpatialRelIntersects", | |
"relationParam": "", | |
"outFields": "*", | |
"returnGeometry": "true", | |
"returnTrueCurves": "false", | |
"maxAllowableOffset": "", | |
"geometryPrecision": "", | |
"outSR": "", | |
"returnIdsOnly": "false", | |
"returnCountOnly": "false", | |
"orderByFields": "", | |
"groupByFieldsForStatistics": "", | |
"outStatistics": "", | |
"returnZ": "false", | |
"returnM": "false", | |
"gdbVersion": "", | |
"returnDistinctValues": "false", | |
"resultOffset": "", | |
"resultRecordCount": "", | |
"queryByDistance": "", | |
"returnExtentsOnly": "false", | |
"datumTransformation": "", | |
"parameterValues": "", | |
"rangeValues": "", | |
"f": "pjson" | |
} | |
params["where"] = "1=1" | |
data = [] | |
count = 1 | |
finish = False | |
while finish == False: | |
print(f"[{count}] requesting...") | |
r = requests.get("https://services.arcgisonline.com/arcgis/rest/services/World_Topo_Map/MapServer/0/query", params = params) | |
entries = r.json()["features"] | |
if len(entries) < 100: | |
finish = True | |
else: | |
last_object_id = entries[-1]["attributes"]["OBJECTID"] | |
print(f"next object id : {last_object_id}") | |
params["where"] = f"OBJECTID > {last_object_id}" | |
data.extend(entries) | |
print(f"[{count}] received {len(entries)} items - total received : {len(data)}") | |
count +=1 | |
print(f"TOTAL: {len(data)}") |
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