Orientation
in degrees
Size
in pixels
Envelope
Determines the shape of the patch.
See http://en.wikipedia.org/wiki/Window_function
Gaussian
Linear (triangular)
Cosine (sine)
Hann (raised cosine)
Hamming (raised cosine)
Circular (sharp edge)
Rectangular (no envelope)
Standard deviation
in pixels (only applies to the Gaussian envelope)
Frequency
in cycles/ pixel
Phase
in cycles (0-1)
Background color
RGB values should be in the 0-255 range or negative (-1).
Negative values create a transparent background.
Red: Green: Blue:
Color 1
RGB values should be in the 0-255 range
Red: Green: Blue:
Color 2
RGB values should be in the 0-255 range
Red: Green: Blue: