||The on line help says:
"You will achieve the fastest performance when your cached maps are in the same coordinate system."
It goes on to say:
"If you use different coordinate systems, only the cache of the Primary Map Resource is used and the server generates a dynamic image for all other services in the map, thereby forfeiting the performance benefit of those caches."
I access an image server service from a remote source for my images. However, if I add the source directly through the Image Viewer Client, the native coordinate system is different than my preferred coordinate system: UTM versus StatePlane.
Whenever I use the image server the image is added after any local (StatePlane) data, assuring the preferred coordinate system. When I save the image to either a .lyr file or an IsRef file, either one assumes the preferred coordinate system.
My question is, does using either an image.lyr or IsRef file allow me to build a cache on a map service that is consistent with other map services that will be in StatePlane thus meeting the criteria mentioned in the online help?