MapTools.org

[Chameleon] Querying Layers

Paul Spencer spencer@dmsolutions.ca
Tue, 16 Mar 2004 08:56:02 -0500
Darren,

Did you try putting the layer name in quotes?

NAME "provincial boundary"

I don't think that mapserver has any particular problems with this, but 
perhaps there is a problem in chameleon and I would like to know.

Cheers,

Paul

Darren.Cope@statcan.ca wrote:

> Hello Tracy,
> 
> Thanks for the help!  I finally got the query to work, after ensuring that
> the DUMP, and TOLERANCE lines where set, and that each layer had a TEMPLATE.
> However, it is also necessary, as I found out eventually, that the LAYER
> NAME not have a space in it, as this will cause the queries to not work.
> Even though I had everything right, and your "park" example worked fine for
> me, my "provincial boundary" layer did not.  Replacing the space with an
> underscore solved the problem though! Hopefully this will help out others
> who may be having this problem.
> 
> Any way I can still use a space in the name (with an escape character of
> some sort?)
> 
> Thanks!
> 
> Darren
> 
> -----Original Message-----
> From: Tracy Howlett [mailto:thowlett@whistlermuseum.org] 
> Sent: March 15, 2004 4:47 PM
> To: Darren.Cope@statcan.ca
> Cc: chameleon@lists.maptools.org
> Subject: RE: [Chameleon] Querying Layers
> 
> 
> Hi Darren, 
> 
> I had a similar problem..make sure you've got your tolerance units set as
> well.
> 
> This is an example of one of my query layers.
> 
> LAYER
>   NAME "Park"
>   TYPE POLYGON
>   DUMP TRUE
>   TEMPLATE "blank.html"
>   TOLERANCE 10
>   TOLERANCEUNITS PIXELS
>   STATUS ON
>   GROUP "Municipal Park"
>   DATA "Park"
>   CLASS
>   COLOR 150 231 138
>   END
>   METADATA
>      WMS_TITLE "Park"
>      WMS_ABSTRACT "Park"
>   END
> END
> 
> I've been trying to modify the output of the query results myself.  Right
> now each record returns the Shape and ID items as well as the useful
> attribute data.  I'm trying to suppress these fields.  If you happen to
> figure it out would you mind letting me know!
> 
> Thanks, 
> 
> Tracy
> 
> -----Original Message-----
> From: chameleon-admin@lists.maptools.org
> [mailto:chameleon-admin@lists.maptools.org] On Behalf Of
> Darren.Cope@statcan.ca
> Sent: Monday, March 15, 2004 9:00 AM
> To: eric@gomoos.org; Darren.Cope@statcan.ca
> Cc: chameleon@lists.maptools.org
> Subject: RE: [Chameleon] Querying Layers
> 
> Thanks for the suggestion Eric.  However, this does not seem to solve my
> problem.
> 
> Darren
> 
> -----Original Message-----
> From: Eric Bridger [mailto:eric@gomoos.org] 
> Sent: March 15, 2004 11:04 AM
> To: Darren.Cope@statcan.ca
> Cc: chameleon@lists.maptools.org
> Subject: Re: [Chameleon] Querying Layers
> 
> 
> I'm new to this too, but I happen to have a guess.
> You also need DUMP TRUE in your layer.
> 
> On Mon, 2004-03-15 at 08:38, Darren.Cope@statcan.ca wrote:
> 
>>Hi all,
>>
>>I am currently setting up the Chameleon "CWC2 Demo Template" to work
>>with some of our own data.  Using MapServer as a WMS, I am able to 
>>view the data. However, I am unable to get it to query any of the 
>>layers properly.  I get the pop-up which says "no results for this 
>>layer."  I do have a "template" line set in the .map file, but this 
>>does not seem to help (i.e. I get the same message without the line).  
>>I am sure I am missing something obvious, as I am new to this!
>>
>>Thanks for any suggestions,
>>
>>Darren Cope
>>Statistics Canada/Statistique Canada
>>Geography Division/Division de la géographie
>>Jean Talon 3D5
>>Ottawa, Canada
>>(613) 951-6461
>>
> 
> 
> 
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-- 
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|Paul Spencer                           spencer@dmsolutions.ca    |
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|Applications & Software Development                              |
|DM Solutions Group Inc                 http://www.dmsolutions.ca/|
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