I forgot: the plugin is available on Toolbar Raster menu
2013/7/13 Giuseppe Aruta <giuseppe_ar...@yahoo.it>
> Hi Stefan (and others),
> I worked on your code and expanded a little bit the plugin.
> I came across this plugin which is an attempt to larger Save to Raster to
> substitute SaveRasterImageToImagePlugin from Pirol on Sextante Layers.
> I used some codes from Kosmo and OJ, removing any external jar depency and
> only using JAI and ImageIO options. The code should be embedded into the
> plugin
>
> which are the benefits of this plugin comparing to original Pirol plugin
> - This plugin currently export a Sextante Raster Image to TIF (not with
> OpenJDK), JPG, PNG, BMP and ASC.
> - It can also export part of the image (extracted using fence) to JPG, TIF
> and PNG (not working with BMP and ASC).
>
> which are the limits
> - ASC export can export only the file and not with part of it
> - If I export an ASC to TIF (talking about a monoband TIF), since I use a
> BuffereImage from rLayer.getImageForDisplay().getAsBufferedImage(), It
> export the display color values and not the real dem datas
>
> TODO (a possible list)
> - applay a LUT to a DEM and than export to image, ex JPG, with the
> colormodel. So this raster can be used on a publication or slides
> - PNG (and TIF) transparency. Pirol raster tool allows to set a color to
> transparent. It should be interesting that this option should be saved to a
> PNG (or TIF) exported file. In the past I used a lot topographic rasters
> (TIF) where the white background had to be set to transparent (using gdal)
> - Possibility to split the bands of a multiband raster on saving (or vice
> versa) for remote sensing
>
> I tested this plugin on Ubuntu 64bit with both OpenJDK and Oracle JRE 7
>
> Any idea to face the limits?
>
> regeards and thanks
>
> Peppe
>
>
> PS. Of coarse I didn't fine a solution for exporting to TIF on OpenJDK. I
> tested two other possibilities: Jimi raster library (from Oracle) or a
> bridge to imagej software, both working but requiring extra libraries
>
>
> 2013/6/27 Giuseppe Aruta <giuseppe_ar...@yahoo.it>
>
>> Hi Stefan,
>> thanks a lot. I will go and study the code when I will be back home.
>> Giuseppe
>>
>>
>> 2013/6/27 Stefan Steiniger <sst...@geo.uzh.ch>
>>
>>> Hi Peppe and other Devs,
>>>
>>> I fixed the problem :)
>>> I send you my last version that seems to write an *.asc file as it is
>>> supposed to. At least it looks like OJ itself and QGIS are able to read
>>> it. From my file you can start and adding the stuff you still think is
>>> necessary. I have made some inline comments.
>>>
>>> I think you actually got a bit confused with the whole row and columns
>>> thing (I switched the loops). And you should have put the "write-ln"
>>> command after the inner loop is finished, and not in each line.
>>>
>>> Also, I realized that when I checked for the noData value, that there
>>> was something wrong. I found then out, that an OJ-Raster has no NoData
>>> value property, while Sextante has (however... OJ has a transparency
>>> setting). This also means, that when reading an ascii file with the
>>> current reader, then this values was not set. So I implemented that
>>> property, and will commit my changes in a few minutes.
>>>
>>> The default NoDataValue is now Double.NaN.
>>>
>>> This value will also get transferred when creating a Sextante Raster
>>> Image Layer from an image file. However, if a new Sextante Layer is
>>> created (not based on an existing file), then the default noDataValue is
>>> -99999.0 (i.e. one digit more than the ESRI default of -9999)
>>>
>>> I hope I did not miss out on something, and nothing breaks now when
>>> working with Sextante. But I don't guess so.
>>>
>>> I also attach my ascii test file, that I created from the Wikipedia page.
>>>
>>> cheers,
>>> stefan
>>>
>>>
>>> Am 26.06.13 12:56, schrieb Giuseppe Aruta:
>>> > Really I don't understand loops in Java
>>> > ;-)
>>> >
>>> >
>>> > 2013/6/26 Giuseppe Aruta <giuseppe_ar...@yahoo.it
>>> > <mailto:giuseppe_ar...@yahoo.it>>
>>> >
>>> > Hi Stefan,
>>> > I made some progress, now I am able to save to asc, unfortunately
>>> > each value of the pixel of the ascii is saved an incredible number
>>> > equal to rowXcolumn of the original. So my test file of 101 byte
>>> > becomes a huge file of 2 Gb :-( Surelly I made a misake.
>>> > Then I moved to Switzerland for job, where actully I am. And didn't
>>> > carry with me Eclipse, codes, OpenJMP, etc. I will be back home
>>> > after 5th of July and give a better look (and send the code)
>>> > regards
>>> >
>>> > Peppe
>>> >
>>> >
>>> > 2013/6/26 Stefan Steiniger <sst...@geo.uzh.ch
>>> > <mailto:sst...@geo.uzh.ch>>
>>> >
>>> > Hi Peppe,
>>> >
>>> > did you made any progress on that?
>>> > Or is the code the last version you have?
>>> >
>>> > slds,
>>> > stefan
>>> >
>>> > Am 21.06.13 06:05, schrieb Giuseppe Aruta:
>>> > >
>>> > > Hi all,
>>> > > Recently I worked a bit with Sextante/grids and did some
>>> > specialized
>>> > > short courses. A student of mine used OpenJUMP/Sextante to
>>> do
>>> > some
>>> > > analysis. Than he had to convert all the rasters (TIFF
>>> > format) into ESRI
>>> > > Ascii grid files (.asc) as he had to use a more specialized
>>> > software
>>> > > that was accepting only asc. and surfer raster format.
>>> > > Of coarse we used gdal for raster transformation.
>>> > > Well, since Esri ascii file is a very simple text file
>>> > > (http://en.wikipedia.org/wiki/Esri_grid), in these days (
>>> > that I have
>>> > > spare time) I tried to make a plugin "Export raster to Esri
>>> > Ascii grid
>>> > > file" for OpenJUMP (that in turn I would like to add to OJ
>>> > NB). All
>>> > > raster parameters are easy implemented by RasterImageLayer
>>> and
>>> > > OpenJUMPSextanteRasterLayer.
>>> > > I had some success and some failures.
>>> > > I ask your help, as developers.
>>> > > I added to this mail the code I wrote (coping partially OJ
>>> raster
>>> > > classes and from other software like ImageJ) - The
>>> foillowing
>>> > code just
>>> > > shows the transformation, excluding initialize(), icon(),
>>> > name(), etc.
>>> > > This code partially works: the file is saved together with
>>> > the header of
>>> > > the raster (see the *black* part of the code, number of
>>> > colums, rows,
>>> > > x-ycoordinates of upper left corner, cell size and NODATA),
>>> > > The red part of code is not working. This part should lists
>>> > the raster
>>> > > values for each cell, starting at the upper-left corner,
>>> > possibly with
>>> > > decimal values, delimited by space character. I ask you if
>>> > can give me a
>>> > > suggestion for this part.
>>> > > Another part that I would like to implement is the
>>> > MultienableCheck
>>> > > (dark *violet *part of the code). This plugin should be
>>> > activated only
>>> > > if the raster has only one band (I think this is numbered
>>> "0" by
>>> > > OpenJUMPSextanteRasterLayer class). Any suggestion is
>>> > accepted: a way to
>>> > > distinguish (within Pirol raster plugin) between grid mono
>>> > band file and
>>> > > others would be quite usefull for future plugins
>>> > > If this plugin is finished I think I will add to OJ NB under
>>> > > Raster>Tools menu.
>>> > > regards and thanks
>>> > >
>>> > > Peppe
>>> > >
>>> > > public class SaveToASCPlugIn extends AbstractPlugIn
>>> > > {
>>> > >
>>> > > protected double[][] data;
>>> > > private Properties properties = null;
>>> > > private static String propertiesFile =
>>> > > LoadSextanteRasterImagePlugIn.getPropertiesFile();
>>> > > private String lastPath;
>>> > > NumberFormat cellFormat = null;
>>> > > public static final String DEFAULT_NODATA = "-9999";
>>> > >
>>> > > public boolean execute(PlugInContext context)
>>> > > throws Exception
>>> > > {
>>> > > JFileChooser fc = new JFCWithEnterAction();
>>> > >
>>> > > fc.setFileFilter(new FileFilter() {
>>> > > public boolean accept(File f) {
>>> > > return (f.isDirectory()) ||
>>> > > (f.getName().toLowerCase().endsWith(".asc"));
>>> > > }
>>> > >
>>> > > public String getDescription() {
>>> > > return "Arc/Info ASCII Grid (.asc)";
>>> > > }
>>> > > });
>>> > > this.properties = new Properties();
>>> > > try {
>>> > > FileInputStream fis = new
>>> FileInputStream(propertiesFile);
>>> > > this.properties.load(fis);
>>> > > this.lastPath =
>>> > >
>>> >
>>> this.properties.getProperty(LoadSextanteRasterImagePlugIn.KEY_PATH);
>>> > > fis.close();
>>> > > }
>>> > > catch (FileNotFoundException e) {
>>> > >
>>> > >
>>> >
>>> context.getWorkbenchFrame().warnUser(I18N.get("org.openjump.core.ui.plugin.layer.pirolraster.SaveRasterImageAsImagePlugIn.File-not-found"));
>>> > > }
>>> > > catch (IOException e) {
>>> > >
>>> context.getWorkbenchFrame().warnUser(GenericNames.ERROR);
>>> > > }
>>> > >
>>> > > if (this.lastPath != null) {
>>> > > fc.setCurrentDirectory(new File(this.lastPath));
>>> > > }
>>> > > fc.setMultiSelectionEnabled(false);
>>> > >
>>> > > fc.setDialogTitle(getName());
>>> > > int returnVal = fc.showSaveDialog(fc);
>>> > > if (returnVal == 0) {
>>> > > String ascFileName =
>>> > fc.getSelectedFile().getAbsolutePath();
>>> > >
>>> > > if
>>> > (!ascFileName.toLowerCase().endsWith(".asc".toLowerCase())) {
>>> > > ascFileName = ascFileName + ".asc";
>>> > > }
>>> > >
>>> > > File ascFile = new File(ascFileName);
>>> > >
>>> > > FileOutputStream ascOut = new
>>> FileOutputStream(ascFile);
>>> > >
>>> > > RasterImageLayer rLayer =
>>> > > (RasterImageLayer)LayerTools.getSelectedLayerable(context,
>>> > > RasterImageLayer.class);
>>> > > OpenJUMPSextanteRasterLayer rstLayer = new
>>> > > OpenJUMPSextanteRasterLayer();
>>> > > rstLayer.create(rLayer);
>>> > >
>>> > > *PrintStream o = new PrintStream(ascOut);*
>>> > > *o.println( "ncols " + rLayer.getOrigImageWidth() );
>>> > > //rstLayer.getNX() );
>>> > > o.println( "nrows " + rLayer.getOrigImageHeight()
>>> );
>>> > > //rstLayer.getNY() );
>>> > > o.println( "xllcorner " +
>>> > rLayer.getEnvelope().getMinX() );
>>> > > o.println( "yllcorner " +
>>> > rLayer.getEnvelope().getMinY());
>>> > > o.println( "cellsize " +
>>> rstLayer.getLayerCellSize() );
>>> > > o.println( "NODATA_value " + DEFAULT_NODATA );*
>>> > >
>>> > >
>>> > > GridWrapperNotInterpolated gwrapper = new
>>> > > GridWrapperNotInterpolated(rstLayer,
>>> > rstLayer.getLayerGridExtent());
>>> > >
>>> > >
>>> > > int nx =
>>> rstLayer.getLayerGridExtent().getNX();
>>> > > int ny = rstLayer.getLayerGridExtent().getNY();
>>> > > for (int x = 0; x < nx; x++) {//cols
>>> > > for (int y = 0; y < ny; y++) {//rows
>>> > > double value =
>>> > gwrapper.getCellValueAsFloat(x, y, 0);
>>> > > StringBuffer b = new StringBuffer();
>>> > > for( int i = 0; i <
>>> > rLayer.getOrigImageWidth(); i++ )
>>> > > {
>>> > > if(
>>> > Double.isNaN(rstLayer.getNoDataValue() )
>>> > > ) b.append( rstLayer.getNoDataValue() );
>>> > > else if( cellFormat != null )
>>> b.append(
>>> > > cellFormat.format( value ));
>>> > > else b.append( cellFormat.format(
>>> > value ) );
>>> > > if( i < rLayer.getOrigImageWidth()
>>> -1 )
>>> > > b.append( " " );
>>> > > }
>>> > > o.println( b );
>>> > > }
>>> > > }
>>> > > o.close();
>>> > >
>>> > > rLayer.setImageFileName(ascFileName);
>>> > > rLayer.setNeedToKeepImage(false);
>>> > > }
>>> > >
>>> > > return true;
>>> > > }
>>> > >
>>> > >
>>> > > public void setCellFormat( NumberFormat format )
>>> > > {
>>> > > cellFormat = format;
>>> > > }
>>> > >
>>> > >
>>> > > *public static MultiEnableCheck
>>> > createEnableCheck(WorkbenchContext
>>> > > workbenchContext)
>>> > > {
>>> > > EnableCheckFactory checkFactory = new
>>> EnableCheckFactory(
>>> > > workbenchContext);
>>> > > MultiEnableCheck multiEnableCheck = new
>>> MultiEnableCheck();
>>> > >
>>> > >
>>> > >
>>> >
>>> multiEnableCheck.add(checkFactory.createExactlyNLayerablesMustBeSelectedCheck(1,
>>> > > RasterImageLayer.class));
>>> > >
>>> > > return multiEnableCheck;*
>>> > > }
>>> > >
>>> > > }
>>> > >
>>> > >
>>> > >
>>> >
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