Examples of org.geotools.gce.grassraster.JGrassRegion

org.geotools.gce.grassraster.JGrassRegion
Represents the geographic region used in the jGrass engines.
JGrass calculations always work against a particular geographic region, which contains the boundaries of the region as well as the information of the region's resolution and the number of rows and cols of the region.

Warning: since the rows and cols have to be integers, the resolution is may be recalculated to fulfill this constraint. Users should not wonder if the asked resolution is not available in the supplied boundaries.
@author Andrea Antonello - www.hydrologis.com @since 3.0 @see {@link JGrassMapEnvironment} @source $URL$

        if (adaptee.isAssignableFrom(CoordinateReferenceSystem.class)) {
            return adaptee.cast(locationCrs);
        }
        if (adaptee.isAssignableFrom(GridGeometry2D.class)) {
            try {
                JGrassRegion r = jGrassMapEnvironment.getFileRegion();
                Envelope2D envelope = new Envelope2D(locationCrs, r.getWest(), r.getSouth(), r.getEast() - r.getWest(),
                        r.getNorth() - r.getSouth());
                GridEnvelope2D gridRange = new GridEnvelope2D(0, 0, r.getCols(), r.getRows());
                GridGeometry2D gridGeometry2D = new GridGeometry2D(gridRange, (org.opengis.geometry.Envelope) envelope);
                return adaptee.cast(gridGeometry2D);
            } catch (Exception e) {
                msg = e;
            }
        }
        if (adaptee.isAssignableFrom(GridCoverage.class)) {
            try {
                JGrassRegion jGrassRegion = jGrassMapEnvironment.getFileRegion();
                GridCoverage2D mapCoverage = JGrassCatalogUtilities.getGridcoverageFromGrassraster(jGrassMapEnvironment,
                        jGrassRegion);
                return adaptee.cast(mapCoverage);
            } catch (Exception e) {
                msg = e;

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                }
                jGrassMapsetGeoResource = selectedLayers.get(0);
                String windPath = jGrassMapsetGeoResource.getActiveRegionWindowPath();
                windPathText.setText(windPath);


                JGrassRegion jgR = jGrassMapsetGeoResource.getActiveRegionWindow();
                CoordinateReferenceSystem crs = jGrassMapsetGeoResource.getLocationCrs();


                commitToBlackboards(jgR, crs, windPath);
            }


        });


        // the group for the region
        Group regionGroup = new Group(c, SWT.BORDER);
        GridLayout layout2 = new GridLayout(2, true);
        regionGroup.setLayout(layout2);
        regionGroup.setText("Region settings");
        regionGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));


        northLabel = new Label(regionGroup, SWT.NONE);
        northLabel.setText("north");
        northLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        northText = new Text(regionGroup, SWT.BORDER);
        northText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        southLabel = new Label(regionGroup, SWT.NONE);
        southLabel.setText("south");
        southLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        southText = new Text(regionGroup, SWT.BORDER);
        southText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        westLabel = new Label(regionGroup, SWT.NONE);
        westLabel.setText("west");
        westLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        westText = new Text(regionGroup, SWT.BORDER);
        westText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        eastLabel = new Label(regionGroup, SWT.NONE);
        eastLabel.setText("east");
        eastLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        eastText = new Text(regionGroup, SWT.BORDER);
        eastText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        rowsLabel = new Label(regionGroup, SWT.NONE);
        rowsLabel.setText("rows");
        rowsLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        rowsText = new Text(regionGroup, SWT.BORDER);
        rowsText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        colsLabel = new Label(regionGroup, SWT.NONE);
        colsLabel.setText("cols");
        colsLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        colsText = new Text(regionGroup, SWT.BORDER);
        colsText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        xresLabel = new Label(regionGroup, SWT.NONE);
        xresLabel.setText("xres");
        xresLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        xresText = new Text(regionGroup, SWT.BORDER);
        xresText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        yresLabel = new Label(regionGroup, SWT.NONE);
        yresLabel.setText("yres");
        yresLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        yresText = new Text(regionGroup, SWT.BORDER);
        yresText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));


        // the group for the style
        Group styleGroup = new Group(c, SWT.BORDER);
        GridLayout layout3 = new GridLayout(2, true);
        styleGroup.setLayout(layout3);
        styleGroup.setText("Style properties");
        styleGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));


        gridButton = new Button(styleGroup, SWT.BORDER | SWT.CHECK);
        gridButton.setText("visualize active region grid");
        GridData gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL);
        gridData.horizontalSpan = 2;
        gridButton.setLayoutData(gridData);


        Label backgroundColourLabel = new Label(styleGroup, SWT.NONE);
        backgroundColourLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        backgroundColourLabel.setText("background color");
        backgroundColour = new ColorEditor(styleGroup);
        backgroundColour.getButton().setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        Label backgroundAlphaLabel = new Label(styleGroup, SWT.NONE);
        backgroundAlphaLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        backgroundAlphaLabel.setText("background alpha (0-1)");
        backgroundAlphaText = new Text(styleGroup, SWT.BORDER);
        backgroundAlphaText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        Label foregroundColourLabel = new Label(styleGroup, SWT.NONE);
        foregroundColourLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        foregroundColourLabel.setText("foreground color");
        foregroundColor = new ColorEditor(styleGroup);
        foregroundColor.getButton().setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        Label forgroundAlphaLabel = new Label(styleGroup, SWT.NONE);
        forgroundAlphaLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        forgroundAlphaLabel.setText("foreground alpha (0-1)");
        forgroundAlphaText = new Text(styleGroup, SWT.BORDER);
        forgroundAlphaText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));


        // the group for the set region to map
        final Group settoGroup = new Group(c, SWT.BORDER);
        GridLayout layout4 = new GridLayout(1, true);
        settoGroup.setLayout(layout4);
        settoGroup.setText("Set region to...");
        settoGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));


        rasterMapSetButton = new Button(settoGroup, SWT.NONE);
        rasterMapSetButton.setText("set region to raster map");
        rasterMapSetButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        rasterMapSetButton.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter(){
            public void widgetSelected( org.eclipse.swt.events.SelectionEvent e ) {
                JGRasterChooserDialog tree = new JGRasterChooserDialog(null);
                tree.open(settoGroup.getShell(), SWT.SINGLE);


                update(tree.getSelectedResources());
            }
        });
        featuresMapSetButton = new Button(settoGroup, SWT.NONE);
        featuresMapSetButton.setText("set region to vector map");
        featuresMapSetButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        featuresMapSetButton.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter(){
            public void widgetSelected( org.eclipse.swt.events.SelectionEvent e ) {
                FeatureChooserDialog tree = new FeatureChooserDialog();
                tree.open(settoGroup.getShell(), SWT.SINGLE);


                update(tree.getSelectedResources());
            }
        });
        resetToActiveButton = new Button(settoGroup, SWT.NONE);
        resetToActiveButton.setText("reset back to actual region");
        resetToActiveButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
        resetToActiveButton.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter(){
            public void widgetSelected( org.eclipse.swt.events.SelectionEvent e ) {
                String windPath = windPathText.getText();
                try {
                    JGrassRegion jgR = new JGrassRegion(windPath);
                    setWidgetsToWindow(jgR);
                } catch (IOException e1) {
                    e1.printStackTrace();
                }
            }

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            if (style.windPath == null) {
                CatalogJGrassMapsetTreeViewerDialog mapsetDialog = new CatalogJGrassMapsetTreeViewerDialog();
                mapsetDialog.open(parent.getShell());
                jGrassMapsetGeoResource = mapsetDialog.getSelectedLayers().get(0);


                JGrassRegion activeRegionWindow = jGrassMapsetGeoResource.getActiveRegionWindow();
                style.windPath = jGrassMapsetGeoResource.getActiveRegionWindowPath();
                style.north = (float) activeRegionWindow.getNorth();
                style.south = (float) activeRegionWindow.getSouth();
                style.west = (float) activeRegionWindow.getWest();
                style.east = (float) activeRegionWindow.getEast();
                style.rows = activeRegionWindow.getRows();
                style.cols = activeRegionWindow.getCols();


                CoordinateReferenceSystem jGrassCrs = jGrassMapsetGeoResource.getLocationCrs();
                try {
                    Integer epsg = CRS.lookupEpsgCode(jGrassCrs, true);
                    style.crsString = "EPSG:" + epsg;
                } catch (Exception e) {
                    // try non epsg
                    style.crsString = CRS.lookupIdentifier(jGrassCrs, true);
                }
            }
            windPathText.setText(style.windPath);


            JGrassRegion tmp = new JGrassRegion(style.west, style.east, style.south, style.north, style.rows, style.cols);
            // set initial values
            isWorking = true;
            northText.setText(String.valueOf(style.north));
            southText.setText(String.valueOf(style.south));
            westText.setText(String.valueOf(style.west));
            eastText.setText(String.valueOf(style.east));
            xresText.setText(String.valueOf(tmp.getWEResolution()));
            yresText.setText(String.valueOf(tmp.getNSResolution()));
            colsText.setText(String.valueOf(style.cols));
            rowsText.setText(String.valueOf(style.rows));
            isWorking = false;


            forgroundAlphaText.setText(Float.toString(style.fAlpha));

View Full Code Here

     * mapset.
     * @throws IOException 
     */
    public JGrassRegion getActiveWindow() throws IOException {
        if (JGrassMapGeoResource.this.type.equals(JGrassConstants.GRASSBINARYRASTERMAP)) {
            JGrassRegion activeRegion = jGrassMapEnvironment.getActiveRegion();
            return activeRegion;
        }


        return null;
    }

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                if (layer instanceof JGrassMapGeoResource) {
                    JGrassMapGeoResource rasterMapResource = (JGrassMapGeoResource) layer;
                    try {
                        text = rasterMapResource.getInfo(null).getName();


                        JGrassRegion fileWindow = rasterMapResource.getFileWindow();
                        if (fileWindow != null) {
                            setWidgetsToWindow(fileWindow);
                        }
                    } catch (IOException e1) {
                        return;
                    }
                } else if (layer instanceof DataStore || layer instanceof UDIGFeatureStore) {
                    try {
                        DataStore store = ((DataStore) layer);
                        FeatureSource featureStore = store.getFeatureSource(store.getTypeNames()[0]);
                        Envelope envelope = featureStore.getBounds();


                        ActiveRegionStyle style = getActiveRegionStyle();
                        JGrassRegion activeWindow = new JGrassRegion(style.west, style.east, style.south, style.north,
                                style.rows, style.cols);
                        JGrassRegion newWindow = JGrassRegion.adaptActiveRegionToEnvelope(envelope, activeWindow);
                        northText.setText(String.valueOf(newWindow.getNorth()));
                        southText.setText(String.valueOf(newWindow.getSouth()));
                        eastText.setText(String.valueOf(newWindow.getEast()));
                        westText.setText(String.valueOf(newWindow.getWest()));
                        textModified(bound_type);
                    } catch (IOException e1) {
                        e1.printStackTrace();
                        return;
                    }

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            this.description = JGrassMapGeoResource.this.type;


            try {
                if (JGrassMapGeoResource.this.type.equals(JGrassConstants.GRASSBINARYRASTERMAP)) {
                    File cellhd = jGrassMapEnvironment.getCELLHD();
                    fileWindow = new JGrassRegion(cellhd.getAbsolutePath());
                    bounds = new ReferencedEnvelope(fileWindow.getEnvelope(), locationCrs);
                    super.icon = gridIconID;
                } else {
                    super.icon = gridMissingIconID;
                }

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        double e = Double.parseDouble(eastText.getText());
        double xr = Double.parseDouble(xresText.getText());
        double yr = Double.parseDouble(yresText.getText());


        // write the region to file
        JGrassRegion newRegion = new JGrassRegion(w, e, s, n, xr, yr);
        try {
            File mapsetFile = new File(style.windPath).getParentFile();
            File locationFile = mapsetFile.getParentFile();
            JGrassRegion.writeWINDToMapset(mapsetFile.getAbsolutePath(), newRegion);
            CoordinateReferenceSystem locationCrs = JGrassCatalogUtilities.getLocationCrs(locationFile.getAbsolutePath());

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                    List<JGrassMapsetGeoResource> selectedLayers = mapsetDialog.getSelectedLayers();
                    if (selectedLayers==null || selectedLayers.size() == 0) {
                        return;
                    }
                    JGrassMapsetGeoResource jGrassMapsetGeoResource = selectedLayers.get(0);
                    JGrassRegion activeRegionWindow = jGrassMapsetGeoResource.getActiveRegionWindow();
                    ActiveRegionStyle style = (ActiveRegionStyle) styleBlackboard.get(ActiveregionStyleContent.ID);
                    style.windPath = jGrassMapsetGeoResource.getActiveRegionWindowPath();
                    style.north = (float) activeRegionWindow.getNorth();
                    style.south = (float) activeRegionWindow.getSouth();
                    style.east = (float) activeRegionWindow.getEast();
                    style.west = (float) activeRegionWindow.getWest();
                    style.rows = activeRegionWindow.getRows();
                    style.cols = activeRegionWindow.getCols();


                    CoordinateReferenceSystem jGrassCrs = jGrassMapsetGeoResource.getLocationCrs();
                    String code = null;
                    try {
                        Integer epsg = CRS.lookupEpsgCode(jGrassCrs, true);

View Full Code Here

                            for( Object object : toList ) {
                                if (object instanceof JGrassMapGeoResource) {
                                    JGrassMapGeoResource mr = (JGrassMapGeoResource) object;
                                    File mapFile = mr.getMapFile();
                                    JGrassMapEnvironment mapEnvironment = new JGrassMapEnvironment(mapFile);
                                    JGrassRegion jGrassRegion = mapEnvironment.getActiveRegion();


                                    GeneralParameterValue[] readParams = createGridGeometryGeneralParameter(
                                            jGrassRegion.getCols(), jGrassRegion.getRows(), jGrassRegion.getNorth(),
                                            jGrassRegion.getSouth(), jGrassRegion.getEast(), jGrassRegion.getWest(),
                                            mapEnvironment.getCoordinateReferenceSystem());


                                    AbstractGridFormat format = (AbstractGridFormat) new GrassCoverageFormatFactory()
                                            .createFormat();
                                    GridCoverageReader reader = format.getReader(mapEnvironment.getCELL());

View Full Code Here

                IMap activeMap = ApplicationGIS.getActiveMap();
                IBlackboard blackboard = activeMap.getBlackboard();
                ActiveRegionStyle style = (ActiveRegionStyle) blackboard.get(ActiveregionStyleContent.ID);
                if (style != null) {
                    try {
                        JGrassRegion activeRegion = new JGrassRegion(style.windPath);
                        JGrassRegion newActiveRegion = JGrassRegion.adaptActiveRegionToEnvelope(bounds, activeRegion);
                        JGrassRegion.writeWINDToMapset(new File(style.windPath).getParent(), newActiveRegion);
                        style.north = (float) newActiveRegion.getNorth();
                        style.south = (float) newActiveRegion.getSouth();
                        style.east = (float) newActiveRegion.getEast();
                        style.west = (float) newActiveRegion.getWest();
                        style.rows = newActiveRegion.getRows();
                        style.cols = newActiveRegion.getCols();


                        blackboard.put(ActiveregionStyleContent.ID, style);


                        activeRegionLayer.refresh(null);
                    } catch (IOException e1) {

View Full Code Here

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