[udig-devel] How to get a GridCoverage2D object from a layer

[Jesse Eichar]

They are essentially the same.


Jesse

On 30-Aug-06, at 6:25 AM, Benedikt Arnold wrote:

> Hi,
> now I changed my environment to 1.1RC3. Are ther any differences in  
> getting a GridCoverage between 1.0.6 and 1.1RC3?
>
> Greetings,
>
> Benedikt
>
> Am 27.08.2006 um 19:05 schrieb Jesse Eichar:
>
>> Hi,
>>
>> In the case where the layer represents a WMS you will actually  
>> have to go through the work of making the request to the WMS and  
>> creating a GridCoverage from the resulting image.  Take a look at  
>> the code in BasicWMSRenderer2 for how to do this:
>>
>> http://svn.geotools.org/udig/branches/1.0.x/plugins/ 
>> net.refractions.udig.render.wms.basic/src/net/refractions/udig/ 
>> render/internal/wms/basic/BasicWMSRenderer2.java
>>
>> Jesse
>>
>>
>>
>> On 27-Aug-06, at 3:57 AM, Benedikt Arnold wrote:
>>
>>> Hi,
>>>
>>> @Cory
>>> Thank you for your help, but this didn't work. That was the first  
>>> thing I tried before I ask the list :-)
>>>  The gc2d object is null everytime.
>>>
>>> I'll try to describe my problem a bit more. The data comes from a  
>>> web map server. I know, that I have to use GridCoverage2D because  
>>> the wms renderer used it too.
>>>
>>> I am currently using uDig 1.0.6 on  OSX
>>>
>>> Greetings,
>>> Benedikt
>>>
>>>
>>>
>>> Am 17.08.2006 um 01:37 schrieb Cory Horner:
>>>
>>>> Benedikt Arnold wrote:
>>>>
>>>>> I want to write a Plugin, which will work with raster data. My   
>>>>> question is how to get a GridCoverage2D object from an ILayer  
>>>>> object?
>>>>
>>>> Hi Benedikt,
>>>>
>>>> Try:
>>>>
>>>> list = iLayer.getGeoResources();
>>>> ...
>>>> gc2d = (GridCoverage2D) geoResource.resolve 
>>>> (GridCoverage2D.class, null);
>>>>
>>>> Cheers,
>>>> Cory.
>>>> _______________________________________________
>>>> User-friendly Desktop Internet GIS (uDig)
>>>> http://udig.refractions.net
>>>> http://lists.refractions.net/mailman/listinfo/udig-devel
>>>
>>> _______________________________________________
>>> User-friendly Desktop Internet GIS (uDig)
>>> http://udig.refractions.net
>>> http://lists.refractions.net/mailman/listinfo/udig-devel
>>
>> _______________________________________________
>> User-friendly Desktop Internet GIS (uDig)
>> http://udig.refractions.net
>> http://lists.refractions.net/mailman/listinfo/udig-devel
>
> _______________________________________________
> User-friendly Desktop Internet GIS (uDig)
> http://udig.refractions.net
> http://lists.refractions.net/mailman/listinfo/udig-devel