Chaos ([EMAIL PROTECTED]) wrote: : He is the code #Actions here
: myCol = (0.3 * image.GetRed(thisX, thisY)) + (0.59 * : image.GetGreen(thisX, thisY)) + (0.11 * image.GetBlue(thisX, thisY)) : if myCol < darkestCol: : darkestCol = myCol : possX = thisX : possY = thisY You really don't want to do this in interpreted Python code. Way to slow. I don't know PIL but probably you can do it their. Another aproach is to use one of the array/maths libraries e.g. Numeric or NumPy. You'll need to move the image data between PIL and the array package with the data being a (y,x,3) array for input array and (y,x) for the output array. .tostirng() methods and fromstring() can be usefull here. Then... 1. Colour map it newImage = 0.3 * image[:,:,0] + 0.59 * image[:,:,1] + 0.11 * image[:,:,2] 2. Mask of pixels less than your threshold newImage = clip(newImage, myCol, MAX_COLOUR) 3. Find the coordinates of the last minimum colour - possX, possY (do you really need/mean to do this?) hth cds -- http://mail.python.org/mailman/listinfo/python-list
