/**
* Returns the kernel for finding the X derivative.
*
* @param type Type of gradient
* @param isInteger integer or floating point kernels
* @return The kernel. Can be 1D or 2D
*/
public static KernelBase lookupKernelX(DerivativeType type, boolean isInteger) {
switch (type) {
case PREWITT:
return GradientPrewitt.getKernelX(isInteger);
case SOBEL:
return GradientSobel.getKernelX(isInteger);
case THREE:
return GradientThree.getKernelX(isInteger);
case TWO_0:
return GradientTwo0.getKernelX(isInteger);
case TWO_1:
return GradientTwo1.getKernelX(isInteger);
}
throw new IllegalArgumentException("Unknown kernel type: " + type);
}
