Nicolas BENOIT - GIMP Formulas Plugin
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!!Functions {html} <table class="wikitable"> <tr> <td align="center"><b>Function</b></td> <td align="center"><b>Description</b></td> <td align="center"><b>Number of arguments</b></td> </tr> <tr> <td align="center">red ( arg1, arg2 )</td> <td align="center">Red channel value at (arg1,arg2) coordinates</td> <td align="center">two arguments</td> </tr> <tr> <td align="center">gray ( arg1, arg2 )</td> <td align="center">Gray channel value at (arg1,arg2) coordinates</td> <td align="center">two arguments</td> </tr> <tr> <td align="center">green ( arg1, arg2 )</td> <td align="center">Green channel value at (arg1,arg2) coordinates</td> <td align="center">two arguments</td> </tr> <tr> <td align="center">blue ( arg1, arg2 )</td> <td align="center">Blue channel value at (arg1,arg2) coordinates</td> <td align="center">two arguments</td> </tr> <tr> <td align="center">alpha ( arg1, arg2 )</td> <td align="center">Alpha channel value at (arg1,arg2) coordinates</td> <td align="center">two arguments</td> </tr> <tr> <td align="center">rgb ( arg1, arg2 )</td> <td align="center">Currently processed channel value at (arg1,arg2) coordinates</td> <td align="center">two arguments</td> </tr> <tr> <td align="center">rand ( )</td> <td align="center">random value between 0.0 and 1.0</td> <td align="center">no argument</td> </tr> <tr> <td align="center">sin ( arg )</td> <td align="center">sine function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">sinh ( arg )</td> <td align="center">hyperbolic sine function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">asin ( arg )</td> <td align="center">arc sine function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">asinh( arg )</td> <td align="center">arc hyperbolic sine function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">cos ( arg )</td> <td align="center">cosine function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">cosh ( arg )</td> <td align="center">hyperbolic cosine function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">acos ( arg )</td> <td align="center">arc cosine function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">acosh ( arg )</td> <td align="center">arc hyperbolic cosine function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">tan ( arg )</td> <td align="center">tangent function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">tanh ( arg )</td> <td align="center">hyperbolic tangent function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">atan ( arg )</td> <td align="center">arc tangent function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">atan2 ( arg1, arg2 )</td> <td align="center">arc tangent function returning the correct quadrant</td> <td align="center">two arguments</td> </tr> <tr> <td align="center">atanh ( arg )</td> <td align="center">arc hyperbolic tangent function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">rad ( arg )</td> <td align="center">to radians conversion</td> <td align="center">one argument</td> </tr> <tr> <td align="center">deg ( sqrt )</td> <td align="center">to degrees conversion</td> <td align="center">one argument</td> </tr> <tr> <td align="center">sqrt ( arg )</td> <td align="center">square root function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">cbrt ( arg )</td> <td align="center">cube root function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">log ( arg )</td> <td align="center">natural logarithmic function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">log2 ( arg )</td> <td align="center">base-2 logarithmic function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">log10 ( arg )</td> <td align="center">base-10 logarithmic function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">exp ( arg )</td> <td align="center">base-e exponential function</td> <td align="center">one argument</td> </tr> <tr> <td align="center">abs ( arg )</td> <td align="center">absolute value</td> <td align="center">one argument</td> </tr> <tr> <td align="center">sign ( arg )</td> <td align="center">sign of the value</td> <td align="center">one argument</td> </tr> <tr> <td align="center">ceil ( arg )</td> <td align="center">smallest integral value not less than argument</td> <td align="center">one argument</td> </tr> <tr> <td align="center">round ( arg )</td> <td align="center">round to nearest integer, away from zero</td> <td align="center">one argument</td> </tr> <tr> <td align="center">min ( arg1, arg2, ..., argn )</td> <td align="center">minimal value</td> <td align="center">one or more arguments</td> </tr> <tr> <td align="center">max ( arg1, arg2, ..., argn )</td> <td align="center">maximal value</td> <td align="center">one or more arguments</td> </tr> <tr> <td align="center">avg ( arg1, arg2, ..., argn )</td> <td align="center">average value</td> <td align="center">one or more arguments</td> </tr> </table> {/html} {br}
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