6382365a   
   XPost: sci.image.processing   
   From: please@see.Web.for.e-mail.INVALID   
      
   Andrew wrote:   
   > Hi everybody - I hope someone can help me!   
   >   
   > I have a geo-referenced aerial photo and matching terrain elevation   
   > data and I want to render 3D views of the landscape with my aerial   
   > view draped on the terrain.   
   ...   
   > 3DEM allows you to drape aerial photograph over terrain, however when   
   > you render at its largest format (4,000 x 3,000 pixels) it doesn't use   
   > the full resolution of the aerial photo.  For example if my photo is   
   > 8,000 pixels square, the render would be equivalent to using less than   
   > a quarter of the original aerial data.   
      
   I am not familiar with 3DEM.  However, you   
   might want to make sure that your DEM data   
   and aerial photo have the same resolution.   
   If they don't then interpolate the DEM.   
      
   --   
   Regards,   
   Martin Leese   
   E-mail: please@see.Web.for.e-mail.INVALID   
   Web: http://members.tripod.com/martin_leese/   
      
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