vsynth| -out | output image |
| -pattern | Specifies the type of pattern to be used to set pixel values. |
| -nrows | number of rows in the output image |
| -ncolumns | number of columns in the output image |
| -repn | output pixel representation (bit | ubyte | sbyte | short | long | float | double). Default: float. |
| -name | Specifies the name to be given the synthesized image. Default: ``image''. |
-pattern constant-base b
-pattern impulse-amplitude a -base b -origin i j
-pattern ramp-amplitude a -base b -origin i j -orientation d
-pattern sine -amplitude a -base b -origin i j -phase w
-pattern zone-amplitude a -base b -origin i j -period t -phase w
-pattern uniform-amplitude a -base b -seed s
-pattern normal-amplitude a -base b -seed s
-pattern binomial-amplitude a -base b -density p -seed s
1.2.15