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

[Benedikt Arnold]

Hi Jesse,

that was the second thing I tried out. I got it working some weeks  
ago, but I hoped there will be an easier way to do it. In my opinion  
it is a bit dirty because I must download the data twice. One time  
for displaying in the map and the other time for my plugin.

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
>
> _______________________________________________
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> http://udig.refractions.net
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