Railo 4.2 Reference
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These are passed to the function ImageFilters (see ImageFilter documentation).
      The ImageFilterKernel function defines a matrix that describes how a specified pixel and its surrounding pixels affect the value computed for the pixel's position in the output image of a filtering operation.
      The X origin and Y origin indicate the kernel matrix element that corresponds to the pixel position for which an output value is being computed.


imagefilterkernel(number width,number height,any data):any


The arguments for this function are set. You can not use other arguments except the following ones.
Name Type Required Description
width number  Yes width of the kernel  
height number  Yes height of the kernel  
data any  Yes kernel data in row major order