7c623c5026672c779a9d2005e0f046f0af8c5567,MultidirectionalHillshade.py,MultidirectionalHillshade,updatePixels,#MultidirectionalHillshade#,109

Before Change

        //return c * np.clip(255 * (cosZ + cosDelta) / np.sqrt(1 + d2), 0.0, 255.0)

    def updatePixels(self, **pixelBlocks):
        if not pixelBlocks.has_key("raster_pixels"):
            raise Exception("No input raster was provided.")

        v = np.array(pixelBlocks["raster_pixels"], dtype="float")
        dx, dy = np.gradient(v)

        outBlock = self.getWeightedHillshade(v, 0, dx, dy)

After Change

        v = np.array(pixelBlocks["raster_pixels"], dtype="float")
        dx, dy = np.gradient(v)
        dx = dx * self.factors[0]
        dy = dy * self.factors[1]

        outBlock = self.weights[0] * self.getHillshade(v, 0, dx, dy)
        for i in range(1, 5):

Instances