/** put all the needed things in the blackboards */
private void commitToBlackboards(
JGrassRegion jgR, CoordinateReferenceSystem crs, String windPath) {
blackboard = getLayer().getMap().getBlackboard();
style.north = (float) jgR.getNorth();
style.south = (float) jgR.getSouth();
style.east = (float) jgR.getEast();
style.west = (float) jgR.getWest();
style.rows = jgR.getRows();
style.cols = jgR.getCols();
style.windPath = windPath;
try {
try {
Integer epsg = CRS.lookupEpsgCode(crs, true);
style.crsString = "EPSG:" + epsg;
} catch (Exception e) {
// try non epsg
style.crsString = CRS.lookupIdentifier(crs, true);
}
} catch (FactoryException e) {
e.printStackTrace();
}
blackboard.put(ActiveregionStyleContent.ID, style);
getLayer().setStatus(ILayer.DONE);
}
private void setWidgetsToWindow(JGrassRegion window) {
northText.setText(String.valueOf(window.getNorth()));
southText.setText(String.valueOf(window.getSouth()));
westText.setText(String.valueOf(window.getWest()));
eastText.setText(String.valueOf(window.getEast()));
rowsText.setText(String.valueOf(window.getRows()));
colsText.setText(String.valueOf(window.getCols()));
xresText.setText(String.valueOf(window.getWEResolution()));
yresText.setText(String.valueOf(window.getNSResolution()));
}
public void update(Object updatedObject) {
if (updatedObject instanceof List) {
String text = null;
List layers = (List) updatedObject;
for (Object layer : layers) {
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;
}
} else {
return;
}
}
if (text == null) {
return;
}
}
}
/**
* Reads a {@link GridCoverage2D} from the grass raster.
*
* @param jGrassMapEnvironment the {@link JGrassMapEnvironment}.
* @param readRegion the region to read, or <code>null</code>.
* @return the read coverage.
* @throws Exception
*/
public static GridCoverage2D getGridcoverageFromGrassraster(
JGrassMapEnvironment jGrassMapEnvironment, JGrassRegion readRegion) throws Exception {
CoordinateReferenceSystem crs = jGrassMapEnvironment.getCoordinateReferenceSystem();
JGrassRegion jGrassRegion = readRegion;
if (jGrassRegion == null) jGrassRegion = jGrassMapEnvironment.getActiveRegion();
GeneralParameterValue[] readParams =
JGrassCatalogUtilities.createGridGeometryGeneralParameter(
jGrassRegion.getCols(),
jGrassRegion.getRows(),
jGrassRegion.getNorth(),
jGrassRegion.getSouth(),
jGrassRegion.getWest(),
jGrassRegion.getEast(),
crs);
AbstractGridFormat format =
(AbstractGridFormat) new GrassCoverageFormatFactory().createFormat();
GridCoverageReader reader = format.getReader(jGrassMapEnvironment.getCELL());
GridCoverage2D mapCoverage = ((GridCoverage2D) reader.read(readParams));
return mapCoverage;
}
public static void writeGridCoverageFromGrassraster(
File mapFile, JGrassRegion writeRegion, GridCoverage2D grassCoverage) throws Exception {
JGrassMapEnvironment mapEnvironment = new JGrassMapEnvironment(mapFile);
GrassCoverageFormat format = new GrassCoverageFormatFactory().createFormat();
GridCoverageWriter writer = format.getWriter(mapEnvironment.getCELL(), null);
GeneralParameterValue[] readParams = null;
if (writeRegion == null) {
writeRegion = mapEnvironment.getActiveRegion();
}
readParams =
JGrassCatalogUtilities.createGridGeometryGeneralParameter(
writeRegion.getCols(),
writeRegion.getRows(),
writeRegion.getNorth(),
writeRegion.getSouth(),
writeRegion.getEast(),
writeRegion.getWest(),
mapEnvironment.getCoordinateReferenceSystem());
writer.write(grassCoverage, readParams);
}
@Override
protected void refresh() {
try {
IBlackboard blackboard = getLayer().getMap().getBlackboard();
style = (ActiveRegionStyle) blackboard.get(ActiveregionStyleContent.ID);
if (style == null) {
style = ActiveregionStyleContent.createDefault();
blackboard.put(ActiveregionStyleContent.ID, style);
// ((StyleBlackboard) styleBlackboard).setSelected(new
// String[]{ActiveregionStyleContent.ID});
}
// first time choose the mapset
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));
backgroundAlphaText.setText(Float.toString(style.bAlpha));
foregroundColor.setColorValue(
new RGB(
style.foregroundColor.getRed(),
style.foregroundColor.getGreen(),
style.foregroundColor.getBlue()));
backgroundColour.setColorValue(
new RGB(
style.backgroundColor.getRed(),
style.backgroundColor.getGreen(),
style.backgroundColor.getBlue()));
CoordinateReferenceSystem crs = CRS.decode(style.crsString);
commitToBlackboards(tmp, crs, style.windPath);
} catch (Exception e) {
e.printStackTrace();
}
}
