My map projection is: "EPSG:900913" ,Display projection is "EPSG:4326" and units is "m", however does not equal the length is calculated in
ArcGIS, in fact Openlayers show the length more than the actual length
when i use measure control.
the calculation length in ArcGIS is:26,072.443575
and in OpenLayers is: 3.0757.
How to resolve this problem?