Re: [udig-devel] Adding a image layer

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Re: [udig-devel] Adding a image layer
From: Jody Garnett <jody.garnett@xxxxxxxxx>
Date: Wed, 20 May 2009 20:28:56 +1000
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> Hello again,
> Yes, I am with Java ImageIO and JAI installed.
> I have tried to load in UDIG the .shp file for a tiled map (as index) and I didn't get nothing shown on map view, only a grid...

Try starting from a working example;
http://svn.osgeo.org/geotools/trunk/modules/plugin/imagemosaic/src/test/resources/org/geotools/gce/imagemosaic/test-data/rgb/

And then modify it based on what you learned.

> No jpg got loaded except one with bad resolution, and I finally stop trying...

> Also I have an important question to ask, how can I hide or show a Layer programmatically?
> I did:
> List<ILayer> layers = map.getMapLayers();
> But what should I do with each layer in order to hide or show them?
> I realized that there is a method isVisible() but I need to change the visibility.

THe ILayer interface is the read-only interface; in order to modify
something in a safe way you need to issue a command. When your command
is executed you have access to the internal read-write Layer
interfaces on which you can call setVisible.

Please review the developers guide section on commands for details.

> I will keep searching for it.
> Thank you in advance.
> Mario.
>
> -----Original Message-----
> From: udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx [mailto:udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Jody Garnett
> Sent: miércoles, 13 de mayo de 2009 16:05
> To: User-friendly Desktop Internet GIS
> Subject: Re: [udig-devel] Adding a image layer
>
> Hi Mario:
>
> What platform are you on; can you confirm you have Java ImageIO and
> JAI installed?  Your friend is giving you good advice for the web but
> bad advice for geospatial data.
>
> If you want something actually good try ECW or JPEG2000. JPEG images
> are good for photos and so on; but not good for this kind of map work;
> the compression depends a lot on tricks of the eye (bluring continuous
> backgrounds and so on) which are effective when you look at the entire
> image etc... because it makes use of entire image compression tricks
> you need to load the entire image in memory ... which is not something
> that is good when you get up to 40 gig rasters.
>
> I would also ask you to try trunk where the raster support is
> improved; but right now there is not much we can do for you. If you
> want to try writing a couple of basic java programs to work with your
> image perhaps we can learn where udig is having problems - but right
> now we are using the jpeg support that comes with the java you are
> using.
>
> You can use gdal command line tools to convert your jpeg to another
> format. Cheers.
>
> Jody
>
> 2009/5/13 Mario Nuñez Jimenez <mario.nunez@xxxxxxxxxxxxxxx>:
>> Hello,
>> I have already increased the amount of memory used by my rcp so I have finally get the map loaded but it does not work properly. On startup it is not rendered. When I do any zoom it seems to work almost every time but if I go all the zoom out it does not get rendered.
>>
>> A partner of mine has been open the jpg image with various gis editors and he told me that the image has no problems. Anyway udig cannot open it...
>>
>> I will give it a try about the different memory configurations. I will report it later.
>>
>> About a geotiff, my partners told me that it is too heavy, much more than a jpg so I discarded that possibility but If you think it has possibilities of being success I can give it a try. The only thing about geotiff is that I don't know how to get this file format from my jpg... any recommendation?
>>
>> About tied map... I think it could work, I will try It.
>> Thank you so much!
>>
>>
>>
>> -----Original Message-----
>> From: udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx [mailto:udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Jody Garnett
>> Sent: miércoles, 13 de mayo de 2009 3:09
>> To: User-friendly Desktop Internet GIS
>> Subject: Re: [udig-devel] Adding a image layer
>>
>> Can you try starting the application with more and/or less memory and
>> see if that has an effect? The failure looked like it was having
>> trouble with the encoding of your jpeg image; it did not say anything
>> about memory - but size of file seems to be the difference between
>> working and not right?
>>
>> jpeg images need to be loaded into memory because of the way the
>> encoding is done; other file formats can kind of be left on disk a
>> little more (a geotiff for example is structured so we can read the
>> header and then know which parts of the file to read).
>>
>> You can define a tiled map with udig; as an image moasic; it uses a
>> shapefile to say where all the tiles are positioned. The shapefile
>> also indicates which file goes where.
>> - http://docs.codehaus.org/display/GEOTDOC/Image+Mosaic+Plugin
>>
>> Jody
>>
>> 2009/5/12 Mario Nuñez Jimenez <mario.nunez@xxxxxxxxxxxxxxx>:
>>> One question...
>>> It is possible to load a tiled map programmatically with udig?
>>>
>>> -----Original Message-----
>>> From: udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx [mailto:udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Jody Garnett
>>> Sent: martes, 12 de mayo de 2009 1:36
>>> To: User-friendly Desktop Internet GIS
>>> Subject: Re: [udig-devel] Adding a image layer
>>>
>>> The additional lines helped: javax.imageio.IIOException: Decoder
>>> cannot decode input.
>>>
>>>  com.sun.media.imageioimpl.plugins.jpeg.CLibJPEGImageReader.getInfoImage(CLibJPEGImageReader.java:216)
>>>
>>> Really looks like like your jpeg could not be decoded.
>>> Jody
>>>
>>> 2009/5/11 Mario Nuñez Jimenez <mario.nunez@xxxxxxxxxxxxxxx>:
>>>> Hello ,
>>>> I think I send the email two times, sorry, I forgot that I sent it.
>>>>
>>>> But no, it is not resolved. I have loaded jpg-jgw map but not the one that I need. The one that I need doesn't get loaded and UDIG throws an exception.
>>>>
>>>> I think that the jgw is ok, it is a simple text file, and I think it is not the problem. About the jpg itself I think it is ok too because I can open it with any image visualization program.
>>>>
>>>> Those lines that I sent are the ones that Udig throws when I try to load the layer as udig user from the jpg-jgw (27mb of size) But I realized that I have miss more exceptions lines:
>>>>
>>>> !ENTRY net.refractions.udig.catalog.rasterings 4 0 2009-05-11 15:07:24.181
>>>> !MESSAGE error reading coverage
>>>> !STACK 0
>>>> javax.imageio.IIOException: Decoder cannot decode input.
>>>>  at com.sun.media.imageioimpl.plugins.jpeg.CLibJPEGImageReader.getInfoImage(CLibJPEGImageReader.java:216)
>>>>  at com.sun.media.imageioimpl.plugins.jpeg.CLibJPEGImageReader.getImageTypes(CLibJPEGImageReader.java:274)
>>>>  at javax.imageio.ImageReader.getRawImageType(Unknown Source)
>>>>  at com.sun.media.imageioimpl.plugins.clib.CLibImageReader.read(CLibImageReader.java:571)
>>>>  at javax.imageio.ImageIO.read(Unknown Source)
>>>>  at javax.imageio.ImageIO.read(Unknown Source)
>>>>  at org.geotools.gce.image.WorldImageReader.readSourceImage(WorldImageReader.java:489)
>>>>  at org.geotools.gce.image.WorldImageReader.read(WorldImageReader.java:302)
>>>>  at net.refractions.udig.catalog.rasterings.AbstractRasterGeoResource.findResource(Unknown Source)
>>>>  at net.refractions.udig.catalog.rasterings.AbstractRasterGeoResource.resolve(Unknown Source)
>>>>  at net.refractions.udig.project.internal.impl.LayerResource.processResourceCachingStrategy(Unknown Source)
>>>>  at net.refractions.udig.project.internal.impl.LayerResource.resolve(Unknown Source)
>>>>  at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.prepareRender(Unknown Source)
>>>>  at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.render(Unknown Source)
>>>>  at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.render(Unknown Source)
>>>>  at net.refractions.udig.project.internal.render.impl.RenderJob.startRendering(Unknown Source)
>>>>  at net.refractions.udig.project.internal.render.impl.RenderJob.run(Unknown Source)
>>>>  at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>> !ENTRY net.refractions.udig.project 2 0 2009-05-11 15:07:24.212
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>  at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.doRender(Unknown Source)
>>>>  at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.render(Unknown Source)
>>>>  at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.render(Unknown Source)
>>>>  at net.refractions.udig.project.internal.render.impl.RenderJob.startRendering(Unknown Source)
>>>>  at net.refractions.udig.project.internal.render.impl.RenderJob.run(Unknown Source)
>>>>  at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>>
>>>>
>>>> May be of help?
>>>>
>>>> About doing it programmatically, I have used this lines:
>>>>
>>>> Project udigProject = ProjectPlugin.getPlugin().getProjectRegistry().getDefaultProject();
>>>>                        map = ProjectFactory.eINSTANCE.createMap(udigProject, "Map",new ArrayList<Layer>());
>>>>                        URL url = Activator.getDefault().getEntryAsFileURL("rasters/world_topo_bathy_200407_3x21600x10800.jpg");
>>>>
>>>>                        CatalogPlugin cp = CatalogPlugin.getDefault();
>>>>                        IServiceFactory sf = cp.getServiceFactory();
>>>>                        List<IService> services = sf.createService(url);
>>>>                        IService service = services.get(0);
>>>>                        IGeoResource geoResource = service.resources(new NullProgressMonitor()).get(0);
>>>>                        List<IGeoResource> resources = new ArrayList<IGeoResource>();
>>>>                        resources.add(geoResource);
>>>>                        ApplicationGIS.addLayersToMap(map, resources, -1);
>>>>
>>>>
>>>> Then I start the application and I get this error:
>>>>
>>>>
>>>>
>>>> !ENTRY net.refractions.udig.project 1 0 2009-05-11 15:26:09.569
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$CompositeRendererJob.incrementalUpdate(RenderExecutorComposite.java:202)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$2.run(RenderExecutorComposite.java:340)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>> !ENTRY net.refractions.udig.project 1 0 2009-05-11 15:26:09.663
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$CompositeRendererJob.incrementalUpdate(RenderExecutorComposite.java:202)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$2.run(RenderExecutorComposite.java:340)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>> !ENTRY net.refractions.udig.project 1 0 2009-05-11 15:26:10.304
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$CompositeRendererJob.incrementalUpdate(RenderExecutorComposite.java:202)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$2.run(RenderExecutorComposite.java:340)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>> created
>>>>
>>>> !ENTRY net.refractions.udig.project 1 0 2009-05-11 15:26:10.663
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$CompositeRendererJob.incrementalUpdate(RenderExecutorComposite.java:202)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$2.run(RenderExecutorComposite.java:340)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>> !ENTRY net.refractions.udig.project 1 0 2009-05-11 15:26:10.694
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$CompositeRendererJob.incrementalUpdate(RenderExecutorComposite.java:202)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$2.run(RenderExecutorComposite.java:340)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>> !ENTRY net.refractions.udig.project 1 0 2009-05-11 15:26:10.944
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$CompositeRendererJob.incrementalUpdate(RenderExecutorComposite.java:202)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$2.run(RenderExecutorComposite.java:340)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>> !ENTRY net.refractions.udig.project 1 0 2009-05-11 15:26:11.288
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$CompositeRendererJob.incrementalUpdate(RenderExecutorComposite.java:202)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$2.run(RenderExecutorComposite.java:340)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>> !ENTRY net.refractions.udig.project 1 0 2009-05-11 15:26:11.382
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$CompositeRendererJob.incrementalUpdate(RenderExecutorComposite.java:202)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$2.run(RenderExecutorComposite.java:340)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>> !ENTRY net.refractions.udig.project 1 0 2009-05-11 15:26:11.600
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$CompositeRendererJob.incrementalUpdate(RenderExecutorComposite.java:202)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$2.run(RenderExecutorComposite.java:340)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>> !ENTRY net.refractions.udig.project 1 0 2009-05-11 15:26:11.944
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$CompositeRendererJob.incrementalUpdate(RenderExecutorComposite.java:202)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$2.run(RenderExecutorComposite.java:340)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>> !ENTRY net.refractions.udig.project 1 0 2009-05-11 15:26:11.991
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$CompositeRendererJob.incrementalUpdate(RenderExecutorComposite.java:202)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$2.run(RenderExecutorComposite.java:340)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>> !ENTRY net.refractions.udig.project 1 0 2009-05-11 15:26:12.319
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$CompositeRendererJob.incrementalUpdate(RenderExecutorComposite.java:202)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$2.run(RenderExecutorComposite.java:340)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>> !ENTRY net.refractions.udig.project 1 0 2009-05-11 15:26:12.366
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$CompositeRendererJob.incrementalUpdate(RenderExecutorComposite.java:202)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderExecutorComposite$2.run(RenderExecutorComposite.java:340)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>> !ENTRY net.refractions.udig.project 1 0 2009-05-11 15:26:12.460
>>>> !MESSAGE After 2 seconds unable to cancel CGPS Renderer
>>>>
>>>> !ENTRY net.refractions.udig.catalog.rasterings 4 0 2009-05-11 15:26:13.069
>>>> !MESSAGE error reading coverage
>>>> !STACK 0
>>>> java.lang.OutOfMemoryError: Java heap space
>>>>        at java.awt.image.DataBufferByte.<init>(DataBufferByte.java:58)
>>>>        at java.awt.image.ComponentSampleModel.createDataBuffer(ComponentSampleModel.java:397)
>>>>        at java.awt.image.Raster.createWritableRaster(Raster.java:938)
>>>>        at javax.imageio.ImageTypeSpecifier.createBufferedImage(ImageTypeSpecifier.java:1169)
>>>>        at javax.imageio.ImageReader.getDestination(ImageReader.java:2879)
>>>>        at com.sun.imageio.plugins.jpeg.JPEGImageReader.readInternal(JPEGImageReader.java:943)
>>>>        at com.sun.imageio.plugins.jpeg.JPEGImageReader.read(JPEGImageReader.java:915)
>>>>        at javax.imageio.ImageIO.read(ImageIO.java:1422)
>>>>        at javax.imageio.ImageIO.read(ImageIO.java:1326)
>>>>        at org.geotools.gce.image.WorldImageReader.readSourceImage(WorldImageReader.java:489)
>>>>        at org.geotools.gce.image.WorldImageReader.read(WorldImageReader.java:302)
>>>>        at net.refractions.udig.catalog.rasterings.AbstractRasterGeoResource.findResource(AbstractRasterGeoResource.java:125)
>>>>        at net.refractions.udig.catalog.rasterings.AbstractRasterGeoResource.resolve(AbstractRasterGeoResource.java:156)
>>>>        at net.refractions.udig.project.internal.impl.LayerResource.processResourceCachingStrategy(LayerResource.java:221)
>>>>        at net.refractions.udig.project.internal.impl.LayerResource.resolve(LayerResource.java:131)
>>>>        at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.prepareRender(BasicGridCoverageRenderer.java:85)
>>>>        at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.render(BasicGridCoverageRenderer.java:49)
>>>>        at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.render(BasicGridCoverageRenderer.java:117)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderJob.startRendering(RenderJob.java:103)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderJob.run(RenderJob.java:203)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>> !ENTRY org.eclipse.osgi 2 1 2009-05-11 15:26:13.085
>>>> !MESSAGE NLS unused message: more in: net.refractions.udig.render.gridcoverage.basic.internal.messages
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.doRender(BasicGridCoverageRenderer.java:64)
>>>>        at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.render(BasicGridCoverageRenderer.java:53)
>>>>        at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.render(BasicGridCoverageRenderer.java:117)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderJob.startRendering(RenderJob.java:103)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderJob.run(RenderJob.java:203)
>>>> !ENTRY net.refractions.udig.project 2 0 2009-05-11 15:26:13.100
>>>> !MESSAGE
>>>> !STACK 0
>>>> java.lang.NullPointerException
>>>>        at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.doRender(BasicGridCoverageRenderer.java:64)
>>>>        at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.render(BasicGridCoverageRenderer.java:53)
>>>>        at net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.render(BasicGridCoverageRenderer.java:117)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderJob.startRendering(RenderJob.java:103)
>>>>        at net.refractions.udig.project.internal.render.impl.RenderJob.run(RenderJob.java:203)
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>>        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Thank you in advance for any tip.
>>>> Best regards.
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx [mailto:udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Jody Garnett
>>>> Sent: lunes, 11 de mayo de 2009 14:55
>>>> To: User-friendly Desktop Internet GIS
>>>> Subject: Re: [udig-devel] Adding a image layer
>>>>
>>>> Hi Mario - I though this was replied to already? Did the same email
>>>> get sent twice?
>>>>
>>>> I need more information; since the stack trace does not provide a line
>>>> number. Earlier I sent out the lines of code that were failing and it
>>>> looks like something is misconfigured;
>>>>
>>>> Jody
>>>>
>>>> 2009/5/11 Mario Nuñez Jimenez <mario.nunez@xxxxxxxxxxxxxxx>:
>>>>> Hello again.
>>>>>
>>>>> The problem was the .jgw file was missing so now I have a correct one.
>>>>>
>>>>> Anyway thank you for the code lines in order to load the layer.
>>>>>
>>>>> But I still have some problems. I have been trying to load programmatically
>>>>> but something fails.
>>>>>
>>>>> Now I am trying to load as user in udig but it doesn't work so I tried a
>>>>> different map and works. The thing is that I have one with 27mb (high
>>>>> resolution, the one that I need, but doesn't work) and another with 2mb (low
>>>>> resolution that works fine), both of them are .jpg with his corresponding
>>>>> .jgw file.
>>>>>
>>>>> I get this error in udig's log when I try to load the 27mb one:
>>>>>
>>>>> !ENTRY net.refractions.udig.project 2 0 2009-05-08 13:41:52.001
>>>>>
>>>>> !MESSAGE
>>>>>
>>>>> !STACK 0
>>>>>
>>>>> java.lang.NullPointerException
>>>>>
>>>>>             at
>>>>> net.refractions.udig.catalog.rasterings.AbstractRasterGeoResource.findResource(Unknown
>>>>> Source)
>>>>>
>>>>>             at
>>>>> net.refractions.udig.catalog.rasterings.AbstractRasterGeoResource.resolve(Unknown
>>>>> Source)
>>>>>
>>>>>             at
>>>>> net.refractions.udig.project.internal.impl.LayerResource.processResourceCachingStrategy(Unknown
>>>>> Source)
>>>>>
>>>>>             at
>>>>> net.refractions.udig.project.internal.impl.LayerResource.resolve(Unknown
>>>>> Source)
>>>>>
>>>>>             at
>>>>> net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.prepareRender(Unknown
>>>>> Source)
>>>>>
>>>>>             at
>>>>> net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.render(Unknown
>>>>> Source)
>>>>>
>>>>>             at
>>>>> net.refractions.udig.render.internal.gridcoverage.basic.BasicGridCoverageRenderer.render(Unknown
>>>>> Source)
>>>>>
>>>>>             at
>>>>> net.refractions.udig.project.internal.render.impl.RenderJob.startRendering(Unknown
>>>>> Source)
>>>>>
>>>>>             at
>>>>> net.refractions.udig.project.internal.render.impl.RenderJob.run(Unknown
>>>>> Source)
>>>>>
>>>>>             at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>>>>>
>>>>>
>>>>>
>>>>> Thank you in advance for any help you can give me.
>>>>>
>>>>> Kind regards.
>>>>>
>>>>> ________________________________
>>>>>
>>>>> From: Mario Nuñez Jimenez
>>>>> Sent: viernes, 08 de mayo de 2009 9:55
>>>>> To: 'User-friendly Desktop Internet GIS'
>>>>> Subject: Adding a image layer
>>>>>
>>>>>
>>>>>
>>>>> Thank you guys,
>>>>>
>>>>> very useful information.
>>>>>
>>>>> King regards.
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------
>>>>> This e-mail and the documents attached are confidential and intended
>>>>> solely for the addressee; it may also be privileged. If you receive
>>>>> this e-mail in error, please notify the sender immediately and destroy it.
>>>>> As its integrity cannot be secured on the Internet, the Atos Origin
>>>>> group liability cannot be triggered for the message content. Although
>>>>> the sender endeavours to maintain a computer virus-free network,
>>>>> the sender does not warrant that this transmission is virus-free and
>>>>> will not be liable for any damages resulting from any virus transmitted.
>>>>>
>>>>> Este mensaje y los ficheros adjuntos pueden contener informacion
>>>>> confidencial
>>>>> destinada solamente a la(s) persona(s) mencionadas anteriormente
>>>>> pueden estar protegidos por secreto profesional.
>>>>> Si usted recibe este correo electronico por error, gracias por informar
>>>>> inmediatamente al remitente y destruir el mensaje.
>>>>> Al no estar asegurada la integridad de este mensaje sobre la red, Atos
>>>>> Origin
>>>>> no se hace responsable por su contenido. Su contenido no constituye ningun
>>>>> compromiso para el grupo Atos Origin, salvo ratificacion escrita por ambas
>>>>> partes.
>>>>> Aunque se esfuerza al maximo por mantener su red libre de virus, el emisor
>>>>> no puede garantizar nada al respecto y no sera responsable de cualesquiera
>>>>> danos que puedan resultar de una transmision de virus.
>>>>> ------------------------------------------------------------------
>>>>> _______________________________________________
>>>>> 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
>>>> ------------------------------------------------------------------
>>>> This e-mail and the documents attached are confidential and intended
>>>> solely for the addressee; it may also be privileged. If you receive
>>>> this e-mail in error, please notify the sender immediately and destroy it.
>>>> As its integrity cannot be secured on the Internet, the Atos Origin
>>>> group liability cannot be triggered for the message content. Although
>>>> the sender endeavours to maintain a computer virus-free network,
>>>> the sender does not warrant that this transmission is virus-free and
>>>> will not be liable for any damages resulting from any virus transmitted.
>>>>
>>>> Este mensaje y los ficheros adjuntos pueden contener informacion confidencial
>>>> destinada solamente a la(s) persona(s) mencionadas anteriormente
>>>> pueden estar protegidos por secreto profesional.
>>>> Si usted recibe este correo electronico por error, gracias por informar
>>>> inmediatamente al remitente y destruir el mensaje.
>>>> Al no estar asegurada la integridad de este mensaje sobre la red, Atos Origin
>>>> no se hace responsable por su contenido. Su contenido no constituye ningun
>>>> compromiso para el grupo Atos Origin, salvo ratificacion escrita por ambas partes.
>>>> Aunque se esfuerza al maximo por mantener su red libre de virus, el emisor
>>>> no puede garantizar nada al respecto y no sera responsable de cualesquiera
>>>> danos que puedan resultar de una transmision de virus.
>>>> ------------------------------------------------------------------
>>>>
>>>> _______________________________________________
>>>> 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
>>> ------------------------------------------------------------------
>>> This e-mail and the documents attached are confidential and intended
>>> solely for the addressee; it may also be privileged. If you receive
>>> this e-mail in error, please notify the sender immediately and destroy it.
>>> As its integrity cannot be secured on the Internet, the Atos Origin
>>> group liability cannot be triggered for the message content. Although
>>> the sender endeavours to maintain a computer virus-free network,
>>> the sender does not warrant that this transmission is virus-free and
>>> will not be liable for any damages resulting from any virus transmitted.
>>>
>>> Este mensaje y los ficheros adjuntos pueden contener informacion confidencial
>>> destinada solamente a la(s) persona(s) mencionadas anteriormente
>>> pueden estar protegidos por secreto profesional.
>>> Si usted recibe este correo electronico por error, gracias por informar
>>> inmediatamente al remitente y destruir el mensaje.
>>> Al no estar asegurada la integridad de este mensaje sobre la red, Atos Origin
>>> no se hace responsable por su contenido. Su contenido no constituye ningun
>>> compromiso para el grupo Atos Origin, salvo ratificacion escrita por ambas partes.
>>> Aunque se esfuerza al maximo por mantener su red libre de virus, el emisor
>>> no puede garantizar nada al respecto y no sera responsable de cualesquiera
>>> danos que puedan resultar de una transmision de virus.
>>> ------------------------------------------------------------------
>>>
>>> _______________________________________________
>>> 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
>> ------------------------------------------------------------------
>> This e-mail and the documents attached are confidential and intended
>> solely for the addressee; it may also be privileged. If you receive
>> this e-mail in error, please notify the sender immediately and destroy it.
>> As its integrity cannot be secured on the Internet, the Atos Origin
>> group liability cannot be triggered for the message content. Although
>> the sender endeavours to maintain a computer virus-free network,
>> the sender does not warrant that this transmission is virus-free and
>> will not be liable for any damages resulting from any virus transmitted.
>>
>> Este mensaje y los ficheros adjuntos pueden contener informacion confidencial
>> destinada solamente a la(s) persona(s) mencionadas anteriormente
>> pueden estar protegidos por secreto profesional.
>> Si usted recibe este correo electronico por error, gracias por informar
>> inmediatamente al remitente y destruir el mensaje.
>> Al no estar asegurada la integridad de este mensaje sobre la red, Atos Origin
>> no se hace responsable por su contenido. Su contenido no constituye ningun
>> compromiso para el grupo Atos Origin, salvo ratificacion escrita por ambas partes.
>> Aunque se esfuerza al maximo por mantener su red libre de virus, el emisor
>> no puede garantizar nada al respecto y no sera responsable de cualesquiera
>> danos que puedan resultar de una transmision de virus.
>> ------------------------------------------------------------------
>>
>> _______________________________________________
>> 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
> ------------------------------------------------------------------
> This e-mail and the documents attached are confidential and intended
> solely for the addressee; it may also be privileged. If you receive
> this e-mail in error, please notify the sender immediately and destroy it.
> As its integrity cannot be secured on the Internet, the Atos Origin
> group liability cannot be triggered for the message content. Although
> the sender endeavours to maintain a computer virus-free network,
> the sender does not warrant that this transmission is virus-free and
> will not be liable for any damages resulting from any virus transmitted.
>
> Este mensaje y los ficheros adjuntos pueden contener informacion confidencial
> destinada solamente a la(s) persona(s) mencionadas anteriormente
> pueden estar protegidos por secreto profesional.
> Si usted recibe este correo electronico por error, gracias por informar
> inmediatamente al remitente y destruir el mensaje.
> Al no estar asegurada la integridad de este mensaje sobre la red, Atos Origin
> no se hace responsable por su contenido. Su contenido no constituye ningun
> compromiso para el grupo Atos Origin, salvo ratificacion escrita por ambas partes.
> Aunque se esfuerza al maximo por mantener su red libre de virus, el emisor
> no puede garantizar nada al respecto y no sera responsable de cualesquiera
> danos que puedan resultar de una transmision de virus.
> ------------------------------------------------------------------
>
> _______________________________________________
> User-friendly Desktop Internet GIS (uDig)
> http://udig.refractions.net
> http://lists.refractions.net/mailman/listinfo/udig-devel
>
Follow-Ups:
- RE: [udig-devel] Adding a image layer
  - From: Mario Nuñez Jimenez
References:
- Re: [udig-devel] Adding a image layer
  - From: Jody Garnett
- RE: [udig-devel] Adding a image layer
  - From: Mario Nuñez Jimenez
- Re: [udig-devel] Adding a image layer
  - From: Jody Garnett
- RE: [udig-devel] Adding a image layer
  - From: Mario Nuñez Jimenez
- RE: [udig-devel] Adding a image layer
  - From: Mario Nuñez Jimenez
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