Perl mapscript fetching attributes

[Tamas Szekeres]

Tom,

I don't think you have to call initValues. The purpose of that
function is to allocate space for the attributes of an inline feature
and clears the allocation made by the data provider previously.

Best regards,

Tamas


2007/5/18, Kralidis,Tom [Burlington] <Tom.Kralidis at ec.gc.ca>:
> Hi all,
>
> I'm using Perl mapscript to read a layer from a mapfile and I would like to have the attribute info, here's the script:
>
> #!/usr/bin/perl
>
> use strict;
> use warnings;
> use mapscript 4.10.0;
>
> my $mapfile = new mapscript::mapObj($ARGV[0]) or die "$!\n";
> my $layer = $mapfile->getLayerByName($ARGV[1]) or die "Can't get layer $ARGV[1]: $!\n";
>
> my $status = $layer->open();
>
> $status = $layer->whichShapes($layer->getExtent());
>
> while (my $shape = $layer->nextShape()) {
>   $shape->initValues($shape->{numvalues});
>   print $shape->getValue(2) . "\n";
> }
>
> $layer->close();
>
> ..but I can't seem to fetch the attribute information.  The underlying datatype for the LAYER object is a shapefile.
>
> Any suggestions?
>
> Thanks
>
> ..Tom
>
>
>