/**
* Applies the specified operation to the given coverages.
*
* @param coverage0 The coverage to scale.
* @param interp The interpolation to use.
* @throws IOException
*/
private GridCoverage2D doOp(
final String operationName, final GridCoverage2D coverage0, final GridCoverage2D coverage1)
throws IOException {
// Getting parameters for doing a scale.
final ParameterValueGroup param = processor.getOperation(operationName).getParameters();
param.parameter("Source0").setValue(coverage0);
param.parameter("Source1").setValue(coverage1);
// Doing a first scale.
GridCoverage2D result = (GridCoverage2D) processor.doOperation(param);
assertEnvelopeEquals(coverage0, result);
return result;
}
