[daip] KNTR Question

[Eric Greisen]

David H. Roberts wrote:
> Hi Eric-
> 
> I would like to overlay VLA images as contours and SDSS images in grey scale using KNTR. However, they are in different projections and as a result DOALIGN=1 will not work. Do you know a way around this? I have looked at SAOimage and ALADIN, but neither seems to offer what I want because neither will contour in a logarithmic way. 
> 
> There must a way to do this but I have not been able to find it, so I'd appreciate any suggestions you have.


You need to regrid one or the other image so that the geometries match 
up.  Tasks HGEOM and OHGEO are designed to do this.

Eric Greisen