topic Re: Zooming to a extent. in ArcGIS JavaScript Maps SDK Questions

Zooming to a extent.

PrasannaRaghavendar — Sat, 17 Nov 2012 07:34:47 GMT

Hi,

I have a map and the min longitude, min latitude, max longitude and max latitude values of a country.
Say the values are, -1.41382, 42.42873, 1.78659, 42.65601.
How should I zoom the map to this extent?

Thanks
Prasanna

Re: Zooming to a extent.

PrasannaRaghavendar — Sat, 17 Nov 2012 09:27:32 GMT

I found out that doing this would zoom 🙂

var mercExtent =new esri.geometry.Extent({"xmin":xmin,"ymin":ymin,"xmax":xmax,"ymax":ymax,"spatialReference":{"wkid":4326}});// esri.geometry.geographicToWebMercator(geoCountryExtent) as esri.geometry.Extent;     var startExtent= esri.geometry.geographicToWebMercator(mercExtent);

So, the latitude and longitude values are the Geographic coordinates while the x, y coordinates are the WebMercator coordinates?

Thanks
Prasanna

Re: Zooming to a extent.

JanJeske — Sat, 11 Dec 2021 13:43:10 GMT

Hey if the spatialReference of your map is the same as of the extent you can try this.

var mercExtent =new esri.geometry.Extent({"xmin":xmin,"ymin":ymin,"xmax":xmax,"ymax":ymax,"spatialReference":{"wkid":4326}});
map.setExtent(mercExtent );

Hope it helps you :).....

Here is a link to the API Reference

http://help.arcgis.com/en/webapi/javascript/arcgis/help/jsapi_start.htm