[mapserver-users] Re: changing layer projection

Steve Lime Steve.Lime at dnr.state.mn.us
Fri Dec 26 13:30:48 EST 2008


Probably need to quote the string within the projection block. :'s probably aren't allowed
in unquoted strings. The fact the error is from loadProjection means we're getting to the
right place. Try:

  map_layer[layername]=PROJECTION%20"init%3Depsg%3A26914"%20END

Steve

>>> On 12/26/2008 at 10:41 AM, in message
<D1F8F04D664D401C82BAADFAF7DF9EDC at ChadsVista>, "Chad Ringenberg"
<chad at agridatainc.com> wrote:
> I hadn't received the previous email for some reason.  I tried the 
> suggestion below but received the following error.
> 
> loadProjection(): Unknown identifier. Parsing error near (:):(line 1)
> 
> 
> 
> ----- Original Message ----- 
> From: "Steve Lime" <Steve.Lime at dnr.state.mn.us>
> To: "Chad Ringenberg" <chad at agridatainc.com>; 
> <mapserver-users at lists.osgeo.org>
> Sent: Friday, December 26, 2008 9:20 AM
> Subject: [mapserver-users] Re: changing layer projection
> 
> 
> I sent a reply to the list on the 23rd, did you see/try that? The proper 
> syntax for
> a layer projection is:
> 
>   map_layer[layername]=PROJECTION%20init%3Depsg%3A26914%20END
> 
> I checked the code and a projection can be modified by URL.
> 
> Steve
> 
> 
>>>> On 12/26/2008 at 9:07 AM, in message
> <288EED89877E4D398C786CE66E114BAC at ChadsVista>, "Chad Ringenberg"
> <chad at agridatainc.com> wrote:
>> Since I haven't received a response yet on my question I will explain a
>> little further what I'm am doing.  I have numerous raster images from
>> different sources that I dynamically load via cgi.  Sometimes these images
>> are in a different projection than my resulting map.  I can still change 
>> the
>> data parameter for the raster layer but have been unable to change the
>> projection.  I was able to do this in 4.1 but it appears to have been 
>> removed
>> in 5.x or a bug was introduced.
>>
>> Can the projection parameter for a layer be changed in 5.x or should I 
>> file
>> a bug report?
>>
>> Thanks,
>> Chad
>>
>>
>>   ----- Original Message ----- 
>>   From: Chad Ringenberg
>>   To: mapserver-users at lists.osgeo.org 
>>   Sent: Monday, December 22, 2008 3:43 PM
>>   Subject: changing layer projection
>>
>>
>>   I have been updating my mapserver cgi application from 4.10 to 5.21 and 
>> it
>> appears we have lost the ability to change a layers projection parameter 
>> from
>> the url.  In version 4.1 I could change it with
>> "map_layername_projection=init=epsg:26914".  With 5.21 I have tried
>> "map_layer[layername]_projection=init=epsg:26914" and numerous other
>> combinations to no avail.
>>
>>   Does anyone know how to change a layers projection with 5.21?
>>
>>   Thanks,
>>   Chad
> 
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