In a querymap or ??? Sorta depends on how you are using the image in your
application. You could,
for example, setup a special layer that is not normally drawn for this purpose.
In your mapfile you'd
have:
# normal polygon layer
LAYER
...
END
# layer to hilite a polygon
LAYER
NAME 'hilite'
...
CLASSITEM 'primary_key'
CLASS
EXPRESSION '[primary_key_value]'
END
END
Then in your query results instead of using a query map you'd call mapserver,
turning on the hilite layer
and passing in the primary key value for the selected polygon, for example:
<img
src=".../cgi-bin/mapserv?...&layer=hilite&primary_key_value=[primary_key]&...">
That would work if you're using query templates. You could also query the
hilite layer specifically, only
turning it on for queries and using a standard querymap. You get more
flexibility in symbolization with
the first approach. Make sense?
Steve
>>> On 11/28/2007 at 9:27 AM, in message
<[EMAIL PROTECTED]>, Carlos Ruiz
<[EMAIL PROTECTED]> wrote:
> Hello to all,
>
> I have a polygon layer, and i do a query by point operation, it's possible
> just to show the
> polygon's perimeter as selected instead the whole polygon ?
>
> Thanks in advance
>
>
> IC Carlos Ruiz
>
>
>
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