average Convolve
Return an instance of TextureOp which implements a convolution from the source texture to the destination texture with the ability removing the image noise of this texture.
For the edge pixels of the image, the default value of missing pixels within the convolution radius is set to 0 when performing convolution operations.
Return
an instance of TextureOp which implements a convolution from the source texture to the destination.
Parameters
factor
the factor of the transparency and brightness.
length
the length of the kernel.