Variable Substitution in Filter expression

[Ken Lord]

Hi Benedict,

I do a variable substitution like yours, in my case I have it set in
my layer like this:

FILTERITEM "TYPE"
FILTER "%linearname%"

I think the problem is in your URL,  try it without the quotes around the value.

Instead of:
street="SMITH%20ST"

use:
street=SMITH%20ST


Cheers,
Ken Lord
Vancouver BC



On 4/26/06, Benedict Marillier <Benedict.Marillier at dli.wa.gov.au> wrote:
>
>
>
>
>
> Hi All,
>
>
>
> I'm running mapserver 4.4.1.
>
>
>
> I've been trying to use a %variable% substitution to dynamically filter a
> shapefile. I have tried several combinations however none seem to work. The
> following filter works…
>
>  FILTER ("[ROAD_NAME]" == "SMITH ST")
>
> However, attempting to use…
>
> FILTER ("[ROAD_NAME]" == "%street%")
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>
>
>
> with the URL…
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>
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> mapserv.exe?map=variable.map&request=getmap&version=1.1.1&service=wms&layers=roads,copyright,lga,cadastre&BBOX=115.96538,-31.90127,115.96738,-31.89927&street="SMITH%20ST"
>
>
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> does not.
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>
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> I've had no joy with any of the following either…
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>           FILTER "ROAD_NAME = '%street%'"
> or
>      FILTERITEM 'ROAD_NAME'
>      FILTER '%street%'
>
>
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> Any suggestions appreciated.
>
>
>
> Cheers
>
> Ben
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>
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