[udig-devel] CRS not recognized in customized dataStore

[Jody Garnett]

Theodor Foerster wrote:
> Actually, the problem is, that only if the map in udig has the same crs
> as the data coming from the datastore, the data gets displayed.
>   
Understood; in that case your datastore (because the map and data use 
the same CRS) no additional complicated MathTransforms have to occur, 
the Query.getCoordainteSystemReproject() value sent to your DataStore 
will be *null* etc....
> Otherwise not. I am not sure, what this problem could cause.
>   
Does your DataStore check for Query.getCoordainteSystemReproject() != 
null? Can you put a break point in just to be sure that part of your 
code is working ...

Cheers
Jody
> 	Theodor 
>
>   
>> -----Original Message-----
>> From: udig-devel-bounces at lists.refractions.net 
>> [mailto:udig-devel-bounces at lists.refractions.net] On Behalf 
>> Of Jody Garnett
>> Sent: Thursday, April 24, 2008 8:52 PM
>> To: User-friendly Desktop Internet GIS
>> Subject: Re: [udig-devel] CRS not recognized in customized dataStore
>>
>> Theodor Foerster wrote:
>>     
>>> Thanks, the error message is gone. I set the 
>>>       
>> IGeoResourceInfo.getCRS() 
>>     
>>> to the CRS of the supplied FeatureType, that works now well, if the 
>>> FeatureType CRS is the same as the CRS of the map
>>>       
>> So it works fine if there is no reprojection occurring.
>>     
>>> But if the map CRS is different, I do not see any data (somewhat it 
>>> seems to be plotted outside the map).
>>>       
>> You may want to check the Query that is getting sent to your 
>> DataStore? 
>> The Query object has the ability to ask your data store to do 
>> reprojection ... are you handling that case?
>>     
>>> IGeoResourceInfo.getBounds() returns always the CRS, which 
>>>       
>> describes the extent of the features in its origin CRS.
>>     
>>> So one of the two parameters, should be dynamic, but which one?
>>>   
>>>       
>> I am not sure what you mean; both the info CRS and the 
>> featureType crs should be same, both are dynamic (in that 
>> they come from your live data).
>> Jody
>>
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>>     
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