writeImage( ((GridCoverage2D) gc).getRenderedImage(), this.outStream,
writeImage(((GridCoverage2D) gc).geophysics(true).getRenderedImage(), this.outStream, metadata, gtParams,listener);
writeImage( ((GridCoverage2D) gc).getRenderedImage(), this.outStream,
writeImage(((GridCoverage2D) gc).geophysics(true).getRenderedImage(), this.outStream, metadata, gtParams,listener);