Technically it is possible to show two tile layers using different map providers. The RadMap.Providers collection allows to add multiple map providers. For more information you can take a look at the following documentation topic and example:
But when the map tiles are represented in different projections then they couldn't be overlayed properly.
If you mean that you need to use these layers to display shapes (like to ESRI shape-files) which have different projections, then you should use coordinate converters.
The map control uses the information layers to display shapes.
The shapes should be represented in coordinates of the projection of the map provider which is first in the Providers collection. Or when you use the shape-file for other projection then it should be read using appropriate coordinate converter.
Currently Geospatial data can be represented using the following projections which are supported by the map control:
- The Mercator projection EPSG:4326 (default) that refers to WGS84 as (latitude, longitude) pair coordinates in degrees
- The OSGB-1936 projection which also known as EPSG:27700
- The EPSG:900913 projection which also known as EPSG:3857 and Pseudo-Mercator projection that refers to WGS84 as (latitude, longitude) pair coordinates in meters
Also the map control contains two built-in converters: EPSG900913Converter and OSGB36Converter classes. You can use them for converting geospatial data to Mercator projection (EPSG:4326). Also you can design your own custom converter. For more information you can take a look at the following documentation topic:
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