[Mapserver-users] mapscript::msSaveImage error

[Lowell Filak]

This thread may help:
http://mapserver.gis.umn.edu/data2/wilma/mapserver-users/0303/msg00143.html
Lowell F.

The following message was sent by Pedro Salazar <pedro-b-salazar at ptinovacao.pt> on 20 May 2003 14:36:06 +0100.

> Greetings,
> 
> I'm trying to return a image map in my perl mapscript. However, when I
> use the procedure msSaveImage, I got an error on my map script log and
> no image return on my perl script.
> 
> This is my code:
> "
> my $ref_img = $map->drawReferenceMap();
> mapscript::msSaveImage($ref_img,undef,$mapscript::MS_PNG,
>        $map->{transparent},$map->{interlace},undef);
> "
> 
> This is my error output:
> "
> Tue May 20 14:29:57 2003 - msSearchDiskTree(): Unable to access file. 
> Tue May 20 14:29:57 2003 - msSearchDiskTree(): Unable to access file. 
> Tue May 20 14:29:57 2003 - msDrawReferenceMap(): Unable to access file.
> ((null))
> "
> 
> I managed a workaround to solve my problem doing this but I would like
> to avoid this approach:
> "
> my $tmp_file="/tmp/".rand().".png";
> $img->saveImage($tmp_file,$mapscript::MS_PNG, $map->{transparent},
>                 $map->{interlace}, undef);
> system("cat $tmp_file");
> system("rm -f $tmp_file");
> "
> 
> So, I'm interested to know why is that happening (error) and how can I
> solve it.
> 
> Thanks for all your attention,
> Pedro.
> -- 
> PS
> pedro-b-salazar at ptinovacao.pt
> PGP:0E129E31D803BC61
> 
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