Extend of wathershed delimination whitout NoData Value... how??

Discussion created by matoretta on Oct 4, 2010
Latest reply on Oct 4, 2010 by EinBerliner
Hi is there some possibility to set exted only for delimination wathershed??  For Example I have one point and FlowDirection raster of whole country...i need delimnate wathershed from that point (it´s small wathershed) result is small wathershed whit an extend of whole country (there is lots of NoData values) ..but how to set extend only for this small wathershed (no extend of FlowDirection raster)   ... (i know i can do extract rasterdata by value...but i need it whitout this step..)