private Rectangle getScaledRectangle(Rectangle rectangle) {
final AffineTransform i2mTransform =
ImageManager.getImageToModelTransform(product.getGeoCoding());
final double scaleX = i2mTransform.getScaleX();
final double scaleY = i2mTransform.getScaleY();
double scaleFactorY = Math.abs(scaleY / scaleX);
final AffineTransform scaleTransform = AffineTransform.getScaleInstance(1.0, scaleFactorY);
return scaleTransform.createTransformedShape(rectangle).getBounds();
}
@Override
protected RenderedImage createImage(int level) {
RasterDataNode rdn = getRasterDataNode();
NetcdfFile lock = ctx.getNetcdfFile();
final Object object = ctx.getProperty(Constants.Y_FLIPPED_PROPERTY_NAME);
boolean isYFlipped = object instanceof Boolean && (Boolean) object;
int dataBufferType = ImageManager.getDataBufferType(rdn.getDataType());
int sourceWidth = (int) (rdn.getSceneRasterWidth() / scaleFactor);
int sourceHeight = (int) (rdn.getSceneRasterHeight() / scaleFactor);
ResolutionLevel resolutionLevel = ResolutionLevel.create(getModel(), level);
Dimension tileSize = getPreferredTileSize(rdn);
RenderedImage netcdfImg;
if (variable.getDataType() == DataType.LONG) {
if (rdn.getName().endsWith("_lsb")) {
netcdfImg =
NetcdfOpImage.createLsbImage(
variable,
imageOrigin,
isYFlipped,
lock,
dataBufferType,
sourceWidth,
sourceHeight,
tileSize,
resolutionLevel);
} else {
netcdfImg =
NetcdfOpImage.createMsbImage(
variable,
imageOrigin,
isYFlipped,
lock,
dataBufferType,
sourceWidth,
sourceHeight,
tileSize,
resolutionLevel);
}
} else {
netcdfImg =
new NetcdfOpImage(
variable,
imageOrigin,
isYFlipped,
lock,
dataBufferType,
sourceWidth,
sourceHeight,
tileSize,
resolutionLevel);
}
return ScaleDescriptor.create(
netcdfImg,
scaleFactor,
scaleFactor,
0.5f,
0.5f,
Interpolation.getInstance(Interpolation.INTERP_NEAREST),
null);
}