Hey Peppe,
I've commited some changes that should fix most of the issues. I don't
know how to solve the problem of the GIF files being read as monoband:
it's something related to javax.imageio classes, I'lll see what I can do.
Alberto
On 28/01/2015 16:16 PM, Giuseppe Aruta wrote:
Hi Alberto,
I tested this new OpenJump.jar, using RasterImage Layer class. I did a
large test to check also the other file formats. I listed below the
results
*Loading multiband files: *
1) JPG, OK
2) PNG, OK
3) TIF, OK
4) GIF. Only one band is loaded, It seems to me band 0 and the image
is displayed as B/W
*Loading monoband raster*
1) TIF, OK
2) ASC, OK
3) FLT, OK
4) PNG, OK
*Saving multiband files as TIF*
1) save JPG to TIF Null point exception
java.lang.NullPointerException
at
org.openjump.core.ui.plugin.layer.pirolraster.SaveRasterImageAsImagePlugIn.execute(SaveRasterImageAsImagePlugIn.java:131)
2) save PNG to TIFF, OK
3) Save TIF to TIF, OK
4) Save GIF to TIF, OK (Saved file is monoband , as the displayed)
*Saving monoband as TIF*
1) TIF, OK
2) ASC, OK
3) FLT, OK
4) PNG, OK
*Extract part of selected image (monoband files)*
1) TIF, OK
2) ASC, OK
3) FLT, OK
4) PNG, OK
*Extract part of selected image (multiband files)*
I had problems. All extractions failed with a error message. I listed
below all these messages
1) *JPG,* java.lang.NullPointerException
at
org.openjump.core.rasterimage.RasterImageIO.writeImage(RasterImageIO.java:664)
at
org.openjump.core.ui.plugin.layer.pirolraster.ExtractSelectedPartOfImage.execute(ExtractSelectedPartOfImage.java:89)
2) *PNG,* Javax.media.jai.util.ImagingException: All factories fail
for the operation "scale"
at
javax.media.jai.OperationRegistry.invokeFactory(OperationRegistry.java:1687)
at
javax.media.jai.ThreadSafeOperationRegistry.invokeFactory(ThreadSafeOperationRegistry.java:473)
at javax.media.jai.registry.RIFRegistry.create(RIFRegistry.java:332)
at javax.media.jai.RenderedOp.createInstance(RenderedOp.java:819)
at javax.media.jai.RenderedOp.createRendering(RenderedOp.java:867)
at javax.media.jai.RenderedOp.getWidth(RenderedOp.java:2179)
at
org.openjump.core.rasterimage.TiffUtils.readImage(TiffUtils.java:85)
at
org.openjump.core.rasterimage.RasterImageIO.loadImage(RasterImageIO.java:131)
at
org.openjump.core.ui.plugin.layer.pirolraster.ExtractSelectedPartOfImage.execute(ExtractSelectedPartOfImage.java:102)
3) *TIF,*java.lang.NullPointerException
at
org.openjump.core.ui.plugin.layer.pirolraster.ExtractSelectedPartOfImage.execute(ExtractSelectedPartOfImage.java:90)
at
com.vividsolutions.jump.workbench.plugin.AbstractPlugIn$1.actionPerformed(AbstractPlugIn.java:342)
at
javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
at
javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
at
javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at
javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.AbstractButton.doClick(AbstractButton.java:376)
4)***GIF. *javax.media.jai.util.ImagingException: All factories fail
for the operation "scale"
at
javax.media.jai.OperationRegistry.invokeFactory(OperationRegistry.java:1687)
at
javax.media.jai.ThreadSafeOperationRegistry.invokeFactory(ThreadSafeOperationRegistry.java:473)
at javax.media.jai.registry.RIFRegistry.create(RIFRegistry.java:332)
at javax.media.jai.RenderedOp.createInstance(RenderedOp.java:819)
at javax.media.jai.RenderedOp.createRendering(RenderedOp.java:867)
at javax.media.jai.RenderedOp.getWidth(RenderedOp.java:2179)
at
org.openjump.core.rasterimage.TiffUtils.readImage(TiffUtils.java:85)
at
org.openjump.core.rasterimage.RasterImageIO.loadImage(RasterImageIO.java:131)
at
org.openjump.core.ui.plugin.layer.pirolraster.ExtractSelectedPartOfImage.execute(ExtractSelectedPartOfImage.java:102)
Loading, saving extracting parts of monoband raster is fine. Problems
come with multiband files.
Peppe
2015-01-28 12:06 GMT+01:00 Alberto De Luca - GeA
<alberto.del...@geomaticaeambiente.com
<mailto:alberto.del...@geomaticaeambiente.com>>:
Peppe,
I fixed an issue related to single-band PNGs.
With regards to JPGs, I can load with no problem in my Windows
machine all the samples you attached to your mail. Nevertheless,
the problem you see should be related to JAI: in snapshot 4090 the
read operation was made using ImageIO.read, while in snapshot 4283
is made using JAI.create("fileload", ...). I've now modified the
code so that ImageIO.read() is used first, and JAI.create() only
as a fallback if ImageIO fails. The weird thing is that in r4283
JAI is however used to load TIFF files, but it appears that you
can load them no problem...
Since I cannot reproduce your error, before committing I'd like
you to test these changes. Could you please download this
<https://www.dropbox.com/s/fexjyucup49hihn/OpenJUMP-0.0.0-rnull.jar?dl=0>
OpenJUMP.jar, replace it to the one you have in snapshot 4283 and
tell me how it behaves?
Thanks
Alberto
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