Hi Paul, Now that you mention it, I was remembering incorrectly. The MrSID plugin does ues a command line tool and not JNI. This has the advantage of spawning a new process that doesn't affect the Java process memory.
Larry On 8/17/07, Paul Austin <[EMAIL PROTECTED]> wrote: > There is also another option that using a jni interface to an image > library. You can always execute a command line tool which you use to > create a temporary file for the resize and crop and then load that. > > I switched my photo web site code to do this as I was having memory and > quality problems with JAI. > > Paul > > Larry Becker wrote: > > This whole issue of support for large image sizes is the reason that > > SkyJUMP doesn't have Image Layers yet. It seems to open up a can of > > worms. If you need jai to process images, IMHO you are already in > > (memory) trouble. Also, some formats, such as GeoTIFF are simply to > > complex to ever get working reliably for all variations. As with the > > discussions of vector formats, it all boils down to the fact that > > there isn't one single good (and open) file format that well > > supported. > > > > I think that perhaps the best way to handle image formats (and perhaps > > some other issues too) is to bite the bullet and add a JNI interface > > to gdal. I can imagine modifying the MrSID plugin (which uses JNI) to > > do this. I believe there are versions of gdal for most platforms. > > > > regards, > > Larry > > > > On 8/17/07, Rahkonen Jukka <[EMAIL PROTECTED]> wrote: > > > >> Hi, > >> > >> It really seems to be due to the size. I made small versions (1000 by 1000 > >> pixels) of the png and jpg images, and they do work. They also seem to > >> accept both .tfw named world files and those named according to image > >> format (jgw/pgw). That's good. > >> > >> User should get some informative warning about file exceeding the size > >> limits, perhaps with a hint to use tiff of ecw formats instead for bigger > >> images. > >> > >> By the way, those interested in trying how OpenJUMP performs with ecw can > >> download wonderful images to play with from geotorrent.org. For example > >> 1.8 gigabyte europe_landsat742 image covering almost whole Europe, despite > >> half of Finland :( , works very well and consumes just few tens of > >> megabytes of OpenJUMP memory. Image dimensions totals 141970 by 141970 > >> pixels. There are other good images as well, and they are free for any > >> use. > >> > >> -Jukka- > >> > >> > >> > >> > >> > >> > >>> -----Alkuperäinen viesti----- > >>> Lähettäjä: [EMAIL PROTECTED] > >>> [mailto:[EMAIL PROTECTED] > >>> Puolesta Stefan Steiniger > >>> Lähetetty: 17. elokuuta 2007 14:34 > >>> Vastaanottaja: List for discussion of JPP development and use. > >>> Aihe: Re: [JPP-Devel] OJN 1.2D: Add Image Layer > >>> > >>> btw.. if it does not load.. > >>> can it be a image size problem? > >>> > >>> because 9996x9996 px is shown by Adobe Photoshop as file with > >>> 285MB size in memory (stored as jpg: 15MB - of course > >>> depending on the image packability itself) > >>> > >>> If i try to load the file with OpenJUMP (java memory option > >>> -Xmx256M).. > >>> then it is not shown as well.. without any error message > >>> > >>> don't know how diffcult it is to obtain at least a message > >>> from jai that the file is to large. > >>> > >>> > >>> stefan > >>> > >>> Rahkonen Jukka schrieb: > >>> > >>>> Hi, > >>>> > >>>> I made a quick test with one 9996 by 9996 pixel colour > >>>> > >>> image. The original is band interleaved geotiff. I converted > >>> it with gdal_translate to following formats: > >>> > >>>> - png (gdal_translate -of PNG jumptest.tif jumptest.png) > >>>> - jpeg (gdal_translate -of jpeg jumptest.tif jumptest.jpg) > >>>> - ecw (gdal_translate -of ECW -co LARGE_OK=YES jumptest.tif > >>>> > >>> jumptest.ecw) > >>> > >>>> - pixel interleaved geotiff (gdal_translate -of GTiff -co > >>>> > >>> interleave=pixel jumptest.tif jumptest_pixel_int.tif) > >>> > >>>> I created also ESRI world file (.tfw) and copied it for > >>>> > >>> jpeg and png formats as .jgw and .pgw, respectively. > >>> > >>>> Results: > >>>> - band interleaved tiff does not show > >>>> - jpeg does not show > >>>> - png does not show > >>>> - pixel interleaved tiff shows OK > >>>> - ecw shows OK > >>>> > >>>> Read error with band interleaved tiffs is quite usual, and > >>>> > >>> a few weeks ago GDAL default was changed to pixel interleave. > >>> There must be another reason for problems with jpeg and png. > >>> > >>>> Right click - Properties on the failed jpeg and png image > >>>> > >>> layer shows this error: > >>> > >>>> Javax.media.jai.util.ImagingException: All factories fail > >>>> > >>> for the operation "FileLoad" > >>> > >>>> Regards, > >>>> > >>>> -Jukka- > >>>> > >>>> > >>>> > >>>> > >>>> > >>>>> -----Alkuperäinen viesti----- > >>>>> Lähettäjä: [EMAIL PROTECTED] > >>>>> [mailto:[EMAIL PROTECTED] > >>>>> Puolesta Uwe Dalluege > >>>>> Lähetetty: 17. elokuuta 2007 11:48 > >>>>> Vastaanottaja: Devel Jump > >>>>> Aihe: [JPP-Devel] OJN 1.2D: Add Image Layer > >>>>> > >>>>> Hi, > >>>>> > >>>>> when I load a TIFF file which has a worldfile with Layer>Add > >>>>> Image Layer a new layer appears but nothing happens (no > >>>>> errormessage and no image)! > >>>>> > >>>>> Running OpenJUMPNight 1.2D with Eclipse I see the error: > >>>>> > >>>>> com.vividsolutions.jump.JUMPException: Neither geotiff tags > >>>>> nor valid worldfile found. > >>>>> This is not a valid GeoTIFF file. > >>>>> at > >>>>> com.vividsolutions.jump.workbench.imagery.geotiff.GeoTIFFImage > >>>>> .init(GeoTIFFImage.java:72) > >>>>> at > >>>>> com.vividsolutions.jump.workbench.imagery.geotiff.GeoTIFFImage > >>>>> .<init>(GeoTIFFImage.java:56) > >>>>> at > >>>>> com.vividsolutions.jump.workbench.imagery.geotiff.GeoTIFFImage > >>>>> Factory.createImage(GeoTIFFImageFactory.java:53) > >>>>> at > >>>>> com.vividsolutions.jump.workbench.imagery.ImageryLayerDataset. > >>>>> createImage(ImageryLayerDataset.java:76) > >>>>> at > >>>>> com.vividsolutions.jump.workbench.ui.plugin.imagery.ImageFeatu > >>>>> reCreator.createFeature(ImageFeatureCreator.java:174) > >>>>> at > >>>>> com.vividsolutions.jump.workbench.ui.plugin.imagery.ImageFeatu > >>>>> reCreator.access$0(ImageFeatureCreator.java:159) > >>>>> at > >>>>> com.vividsolutions.jump.workbench.ui.plugin.imagery.ImageFeatu > >>>>> reCreator$1.yield(ImageFeatureCreator.java:153) > >>>>> at > >>>>> com.vividsolutions.jump.util.CollectionUtil.collect(Collection > >>>>> Util.java:298) > >>>>> at > >>>>> com.vividsolutions.jump.workbench.ui.plugin.imagery.ImageFeatu > >>>>> reCreator.createFeatures(ImageFeatureCreator.java:148) > >>>>> at > >>>>> com.vividsolutions.jump.workbench.ui.plugin.imagery.ImageFeatu > >>>>> reCreator.getImages(ImageFeatureCreator.java:79) > >>>>> at > >>>>> com.vividsolutions.jump.workbench.ui.plugin.imagery.AddImageLa > >>>>> yerPlugIn.execute(AddImageLayerPlugIn.java:34) > >>>>> at > >>>>> com.vividsolutions.jump.workbench.plugin.AbstractPlugIn$1.acti > >>>>> onPerformed(AbstractPlugIn.java:130) > >>>>> at > >>>>> > >>> javax.swing.AbstractButton.fireActionPerformed(Unknown Source) > >>> > >>>>> at > >>>>> javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source) > >>>>> at > >>>>> javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source) > >>>>> at javax.swing.DefaultButtonModel.setPressed(Unknown Source) > >>>>> at javax.swing.AbstractButton.doClick(Unknown Source) > >>>>> at > >>>>> > >>> javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source) > >>> > >>>>> at > >>>>> javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(U > >>>>> nknown Source) > >>>>> at java.awt.Component.processMouseEvent(Unknown Source) > >>>>> at javax.swing.JComponent.processMouseEvent(Unknown Source) > >>>>> at java.awt.Component.processEvent(Unknown Source) > >>>>> at java.awt.Container.processEvent(Unknown Source) > >>>>> at java.awt.Component.dispatchEventImpl(Unknown Source) > >>>>> at java.awt.Container.dispatchEventImpl(Unknown Source) > >>>>> at java.awt.Component.dispatchEvent(Unknown Source) > >>>>> at > >>>>> java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source) > >>>>> at > >>>>> java.awt.LightweightDispatcher.processMouseEvent(Unknown Source) > >>>>> at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source) > >>>>> at java.awt.Container.dispatchEventImpl(Unknown Source) > >>>>> at java.awt.Window.dispatchEventImpl(Unknown Source) > >>>>> at java.awt.Component.dispatchEvent(Unknown Source) > >>>>> at java.awt.EventQueue.dispatchEvent(Unknown Source) > >>>>> at > >>>>> > >>>>> > >>> java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source) > >>> > >>>>> at > >>>>> java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) > >>>>> at java.awt.EventDispatchThread.pumpEvents(Unknown Source) > >>>>> at java.awt.EventDispatchThread.pumpEvents(Unknown Source) > >>>>> at java.awt.EventDispatchThread.run(Unknown Source) > >>>>> > >>>>> > >>>>> Regards, > >>>>> > >>>>> Uwe > >>>>> > >>>>> > >>>>> -------------------------------------------------------------- > >>>>> ----------- > >>>>> This SF.net email is sponsored by: Splunk Inc. > >>>>> Still grepping through log files to find problems? Stop. > >>>>> Now Search log events and configuration files using AJAX and > >>>>> a browser. > >>>>> Download your FREE copy of Splunk now >> > >>>>> http://get.splunk.com/ > >>>>> > >>> _______________________________________________ > >>> > >>>>> Jump-pilot-devel mailing list > >>>>> Jump-pilot-devel@lists.sourceforge.net > >>>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > >>>>> > >>>>> > >>>> > >>> -------------------------------------------------------------- > >>> ----------- > >>> > >>>> This SF.net email is sponsored by: Splunk Inc. > >>>> Still grepping through log files to find problems? Stop. > >>>> Now Search log events and configuration files using AJAX > >>>> > >>> and a browser. > >>> > >>>> Download your FREE copy of Splunk now >> http://get.splunk.com/ > >>>> _______________________________________________ > >>>> Jump-pilot-devel mailing list > >>>> Jump-pilot-devel@lists.sourceforge.net > >>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > >>>> > >>>> > >>>> > >>> -------------------------------------------------------------- > >>> ----------- > >>> This SF.net email is sponsored by: Splunk Inc. > >>> Still grepping through log files to find problems? 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