[GRASS-user] High Resolution ppm

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Thank you Hamish!

I just added NetPBM to the %PATH% and now it works.
Thanks a lot!

Cheers

André Mano

2012/7/19 Hamish <hamish_b at yahoo.com>

> André wrote:
> > Thank you for your hints, however I didn't managed to solve the problem.
> > I installed NetPBM tools has you suggested, however I still get hundreds
> > of .ppm files instead of one big high resolution file like I need.
>
> the programs need to be in the system search %PATH% so that GRASS can
> find them.
>
>
> > I then tried Windows command prompt with these sentences:
> > C:\Program Files (x86)\GnuWin32\bin>pnmcat -lr
> C:\Users\Andre\Pictures\aaa\E-W-45_1_1.ppm
> > C:\Program Files (x86)\GnuWin32\bin>pnmcat -tb
> C:\Users\Andre\Pictures\aaa\E-W-45_1_1.ppm
> >
> > In both cases all I get has output can be seen in attachment, but no
> > assembled image is produced. What am I doing wrong?
>
>
> unfortunately the help page doesn't note that it sends the image to
> stdout. what you're seeing is what you'd see if you tried to open the
> image in a text editor.
>
> NAME
>        pnmcat - concatenate portable anymaps
>
> SYNOPSIS
>        pnmcat [-white|-black] -leftright|-lr [-jtop|-jbottom] pnmfile
> pnmfile ...
>        pnmcat [-white|-black] -topbottom|-tb [-jleft|-jright] pnmfile
> pnmfile ...
>
>
>
> so to use it you have to use ">" redirections. for example:
>
>   pnmcat -lr img11.ppm img12.ppm img13.ppm img14.ppm > row1.ppm
>   pnmcat -lr img21.ppm img22.ppm img23.ppm img24.ppm > row2.ppm
>   pnmcat -lr img31.ppm img32.ppm img33.ppm img34.ppm > row2.ppm
>   pnmcat -tb row1.ppm row2.ppm row3.ppm > final_image.ppm
>   pnmtopng final_image.ppm > final_image.png
>
>
>


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