/**
* Return the row and column of the active region matrix for a give coordinate *
*
* <p>NOTE: basically the inverse of {@link
* JGrassUtilities#rowColToCenterCoordinates(JGrassRegion, int, int)}
*
* @param active the active region
* @param coord
* @return and int array containing row and col
*/
public static int[] coordinateToNearestRowCol(JGrassRegion active, Coordinate coord) {
double easting = coord.x;
double northing = coord.y;
int[] rowcol = new int[2];
if (easting > active.getEast()
|| easting < active.getWest()
|| northing > active.getNorth()
|| northing < active.getSouth()) {
return null;
}
double minx = active.getWest();
double ewres = active.getWEResolution();
for (int i = 0; i < active.getCols(); i++) {
minx = minx + ewres;
if (easting < minx) {
rowcol[1] = i;
break;
}
}
double maxy = active.getNorth();
double nsres = active.getNSResolution();
for (int i = 0; i < active.getRows(); i++) {
maxy = maxy - nsres;
if (northing > maxy) {
rowcol[0] = i;
break;
}
}
return rowcol;
}
public void write(IIOMetadata streamMetadata, IIOImage image, ImageWriteParam param)
throws IOException {
hasListeners =
(this.progressListeners != null && (!(this.progressListeners.isEmpty()))) ? true : false;
if (hasListeners) {
clearAbortRequest();
// Broadcast the start of the image write operation
processImageStarted(0);
}
RenderedImage renderedImage = image.getRenderedImage();
// PlanarImage inputRenderedImage = PlanarImage.wrapRenderedImage(renderedImage);
// Raster data = renderedImage.getData();
// final RectIter iterator = RectIterFactory.create(data, null);
// writing
noDataValue = rasterWriter.getNoData();
writeRegion.setCols(renderedImage.getWidth());
writeRegion.setRows(renderedImage.getHeight());
int nColumns = writeRegion.getCols();
int nRows = writeRegion.getRows();
double west = writeRegion.getWest();
double south = writeRegion.getSouth();
double cellsizeX = writeRegion.getWEResolution();
double cellsizeY = writeRegion.getNSResolution();
rasterWriter.writeRaster(
renderedImage, nColumns, nRows, west, south, cellsizeX, cellsizeY, noDataValue);
if (hasListeners) {
// Checking the status of the write operation (aborted/completed)
if (rasterWriter.isAborting()) processWriteAborted();
else processImageComplete();
}
// rasterWriter.close();
}
