I would think you would need to go via a routine like rescale2d/rebin or map
for full flexibility in this case, eg:
pdl> use PDL::ImageND
pdl> wpic rebin($a, 5000, 5000), 'foo.tif'
J.
On 29 Aug 2010, at 17:43, P Kishor wrote:
> Am enjoying PDL::IO::Pic tremendously. Something like the following is
> great fun --
>
> pdl> $a = ones(500,500)->random
> pdl> wpic $a, 'foo.tif'
>
> voila! I have cool looking foo.tif with random noise. Here's the thing
> though -- each value of $a has been written to each pixel. Is there
> someway I can either specify the image size , or request that each
> value be written to x*y pixels? So that, if I want each value of $a to
> be written to 10x10 pixels, the resulting image will be 5000 x 5000
> with 10x10 rects of solid color representing each value in $a. On the
> other hand, if I specify image size to be 1000 x 1000, each value in
> $a will be applied to 2x2 blocks of pixels.
>
> I realize, some error catching would be required to ensure the size of
> the image is not smaller than the size of $a, but one step at a time.
>
> Suggestions?
>
>
> --
> Puneet Kishor http://www.punkish.org
> Carbon Model http://carbonmodel.org
> Charter Member, Open Source Geospatial Foundation http://www.osgeo.org
> Science Commons Fellow, http://sciencecommons.org/about/whoweare/kishor
> Nelson Institute, UW-Madison http://www.nelson.wisc.edu
> -----------------------------------------------------------------------
> Assertions are politics; backing up assertions with evidence is science
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