You can try this:
http://mapserver.org/ogc/sld.html
Like I said, I've never used it, have no idea if it'll work.
-Andy
On 2/19/2010 1:41 AM, [email protected] wrote:
thank you
Actually, I want to change color of contour map according to
another map that lies beneath of contour map. Otherwise
contours cannot be discerned.
So, it' type is line.
And I thought I might be able to change its color using
"layer.updateFromString("COLOR 245 13 60");"
but it failed.
what might the alternative solutions be ?
regards
tarihinde, Andy Colson <[email protected]> şunu yazdı:
> On 2/18/2010 1:35 PM, ahmet temiz wrote:
>
>
> hello
>
>
>
> how can I change the color of a line programmatically in mapscript
environment
>
> (preferably in java)
>
>
>
> regards
>
>
>
>
> I think we need a little more info. Is this line inside a layer...
of type LINE? Is the layer type POLYGON and you want to change one line
of one polygon? Is the line the only thing in the layer? If there are
lots of lines in the layer, do you know how to find the one you want?
>
>
>
> As an example, which may not be helpful... I have perl mapscript that
highlights a polygon.
>
>
>
> In my mapfile I created a new, empty layer named annotate_pin, with
coloring defined (green in my case). I do sql on my PostGIS database to
find the polygon I want to "highlight". I copy the polygon from the
"parcels" layer into the "annotate_pin" layer.
>
>
>
> my $layer = $map->getLayerByName('parcels');
>
> $layer->open();
>
>
>
> #newlayer is misnamed... it does exist in the .map file
>
> my $newlayer = $map->getLayerByName('annotate_pin');
>
> $newlayer->{status} = $mapscript::MS_ON;
>
>
>
> # sid here is set to the shape I want to copy/highlight
>
> $db->pg_result();
>
> ($sid) = $q->fetchrow_array;
>
>
>
> # get the shape
>
> my $shp = $layer->getFeature($sid);
>
> $layer->close();
>
> if (!$shp)
>
> {
>
> print STDERR "---- cannot getFeature($sid) ----\n";
>
> }
>
>
>
> #copy it to a new shape
>
> my $shape = $shp->clone();
>
>
>
> #add new shape into the annotate_pin layer
>
> $newlayer->addFeature($shape);
>
>
>
> ... later we draw with $map, which has one polygon in the
annotate_pin layer.
>
>
>
> Note that this is one way, there is the new styling options, but it's
all xml and I cant stand xml, so I never even looked at it. Not sure if
this is at all what you were looking for, but hope it helps.
>
>
>
> -Andy
>
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