[mapserver-users] GRID - how to display labels not in degrees

Stephen Woodbridge woodbri at swoodbridge.com
Wed Jun 20 12:18:33 PDT 2012


There is still a bug because with bad settings is crashes and this 
should be bugged, please.

Thanks,
   -Steve W

On 6/20/2012 3:16 PM, Alexandre Dube wrote:
> Hey Jeff,
>
>    Yes, it worked without setting any interval, but that made me realize
> my mistake.  The interval values are in degrees when using 4326, so
> switching to 900913 they must be in meters.  Setting them to more proper
> values, such as 1000000 instead of 2 did the trick.  It works fine.
>
> Thanks,
>
> Alexandre
>
>
> On 12-06-20 02:41 PM, Jeff McKenna wrote:
>> On 12-06-20 2:30 PM, Alexandre Dube wrote:
>>> Hi,
>>>
>>>    Using the [GRID] object, I'm able to do a GetMap request using
>>> &SRS=EPSG:900913 to display a the grid correctly reprojected, but the
>>> coordinates displayed (labels) are in degrees.  When switching the layer
>>> PROJECTION from 4326 to 900913, the request throws a 504 error.
>>>
>>>    How can I display them in 900913 ?
>>>
>>>    See the attached image and layer definition.  I'm using MapServer
>>> 6.0.1.
>> Hello Alexandre,
>>
>> If I was in this situation I would:
>>
>> - try to duplicate it with an easy shp2img command (I can locally, using
>> gmap75 mapfile and setting the projection of the grid layer to 3978
>> instead of 4326)
>> - then, once you get that crash with that easy command (yup I get the
>> crash with MS 6.0.3), I would start to comment all those parameters in
>> your actual GRID object
>> - for me, I found that once I commented the M*INTERVAL parameters I was
>> able to get a valid map image with grid lines nicely labelled in meters
>>
>> I think there is a ticket/issue here so I think it would be nice to
>> package a little test case that throws this crash.
>>
>> Happy first day of summer!  (or the best 5-à-7 day of the year!)
>>
>> -jeff
>>
>>
>>
>>
>
>




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