[daip] HGEOM & coordinate increment
Eric Greisen
egreisen at nrao.edu
Wed Sep 22 12:29:54 EDT 2004
Volker Heesen writes:
> Hi there,
>
> I have nice task to do: Do align a optical H_alpha with a set of radio
> continuum images. So I thought of HGEOM or OHGEO. In fact the alignment is
> perfect, but...
> ... the coordinate increment is affected as well. That means, that the optical
> image is blown up that much, that it doesn't fit into the image any more.
>
> Any recipies at hand?
>
Both of these tasks allow you to set a new output image size. Any
number will do - not just powers of 2 - and 6000x6000 would hold the
full optical image.
Do you learn much by comparing images of such different resolution?
Something for sure - but you could also be mislead I suspect.
Eric Greisen
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