@Override
public ServiceInfo getInfo() {
if (serviceInfo == null) {
serviceInfo = new DefaultServiceInfo();
serviceInfo.setTitle(rasterInfo.getRasterTable());
serviceInfo.setDescription(rasterInfo.toString());
Set<String> keywords = new HashSet<String>();
keywords.add("ArcSDE");
serviceInfo.setKeywords(keywords);
}
return serviceInfo;
}
public ArcSDEGridCoverage2DReaderJAI(
final ArcSDERasterFormat parent,
final RasterReaderFactory rasterReaderFactory,
final RasterDatasetInfo rasterInfo,
final Hints hints)
throws IOException {
// check it's a supported format
{
final int bitsPerSample = rasterInfo.getBand(0, 0).getCellType().getBitsPerSample();
if (rasterInfo.getNumBands() > 1 && (bitsPerSample == 1 || bitsPerSample == 4)) {
throw new IllegalArgumentException(
bitsPerSample + "-bit rasters with more than one band are not supported");
}
}
this.parent = parent;
this.rasterReaderFactory = rasterReaderFactory;
this.rasterInfo = rasterInfo;
super.hints = hints;
super.coverageFactory = CoverageFactoryFinder.getGridCoverageFactory(this.hints);
super.crs = rasterInfo.getCoverageCrs();
super.originalEnvelope = rasterInfo.getOriginalEnvelope(PixelInCell.CELL_CENTER);
GridEnvelope gridRange = rasterInfo.getOriginalGridRange();
// super.originalGridRange = new GeneralGridRange(gridRange.toRectangle());
super.originalGridRange = gridRange;
super.coverageName = rasterInfo.getRasterTable();
final int numLevels = rasterInfo.getNumPyramidLevels(0);
// level 0 is not an overview, but the raster itself
super.numOverviews = numLevels - 1;
// ///
//
// setting the higher resolution avalaible for this coverage
//
// ///
highestRes =
super.getResolution(
originalEnvelope,
new Rectangle(
originalGridRange.getLow(0),
originalGridRange.getLow(1),
originalGridRange.getSpan(0),
originalGridRange.getSpan(1)),
crs);
// //
//
// get information for the successive images
//
// //
// REVISIT may the different rasters in the raster dataset have different pyramid levels? I
// guess so
if (numOverviews > 0) {
overViewResolutions = new double[numOverviews][2];
for (int pyramidLevel = 1; pyramidLevel <= numOverviews; pyramidLevel++) {
GridEnvelope levelGridRange = rasterInfo.getGridRange(0, pyramidLevel);
GeneralEnvelope levelEnvelope = rasterInfo.getGridEnvelope(0, pyramidLevel);
Rectangle2D levelGridRangeRect =
new Rectangle2D.Double(
levelGridRange.getLow(0),
levelGridRange.getLow(1),
levelGridRange.getSpan(0),
levelGridRange.getSpan(1));
overViewResolutions[pyramidLevel - 1] =
super.getResolution(levelEnvelope, levelGridRangeRect, crs);
}
} else {
overViewResolutions = null;
}
}