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? 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? 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
