[GRASS-dev] ps.map: raster always under vector map?

[Markus Neteler]

Markus Neteler wrote on 04/30/2007 09:58 AM:
> On Mon, Apr 30, 2007 at 07:55:47PM +1200, Hamish wrote:
>   
>> Glynn:
>>     
>>> Bear in mind that the raster map is always opaque, so it will obscure
>>> anything which is drawn beneath it.
>>>       
>> Markus:
>>     
>>> That's exactly what I need: in my case the raster map contains a few
>>> cells only, but I need it on top to not be covered by vector contour
>>> lines etc.
>>>       
>> ..
>>     
>>> Maybe ps.map's raster command needs an additional parameter "ontop" or
>>> something like this? Hacking C code as Hamish suggests might be asked
>>> too much for the average user.
>>>       
>> are the null areas solid white, not transparent?
>>     
>
> They are transparent. All fine.
Of course I was too hasty. Nothing fine.
> Just that the tons of contour
> lines cover the scarse raster areas in the raster maps. That's
> why I need them on top of the dense contour lines.
>   
... and it seems that NULL is not respected by ps.map (as you will know
already).
It seems to be tricky to get some raster cells on top with a vector map
in the background...

Markus

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ITC -> dall'1 marzo 2007 Fondazione Bruno Kessler
ITC -> since 1 March 2007 Fondazione Bruno Kessler
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