[GRASSLIST:4581] Re: Transparent null values in output images.

[Ian MacMillan]

I don't think that transparency (alpha channel?) is available for GRASS 
yet, though I would love to see it implemented too.

-Ian

On Oct 19, 2004, at 6:10 PM, Gordon Keith wrote:

> I have some rasters with large null areas.
>
> I would like to output these as images (r.out.png or r.out.tiff) with 
> the null
> values represented by transparent pixels.
>
> I can't see any flags on these commands to enable this.
>
> Is this possible?
>
> Regards
> Gordon
> -- 
>
> Gordon Keith
> Programmer/Data Analyst
> Marine Acoustics
> CSIRO Marine Research
> http://www.marine.csiro.au
>
> The Lord has told us what is good.
> What he requires of us is this:
>   to do what is just,
>   to show constant love,
>   and to live in humble fellowship with our God.
>     -- Micah 6:8
>