i'm looking into what it will take to write a Photoshop import filter plugin. what do you think the function should be?
Herb... ----- Original Message ----- From: "John Francis" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Cc: "John Francis" <[EMAIL PROTECTED]> Sent: Wednesday, November 26, 2003 9:13 PM Subject: Re: VueScan > Well, I know something about what the Pentax code does, at any rate. > > It looks as though a first guess at values for dcraw green and blue > multipliers might be as follows for the eight white balance presets: > > 1: 0.67 0.62 Daylight > 2: 0.61 0.51 Cloudy > 3: 0.58 0.44 Shade > 4: 0.54 0.52 Daylight Fluorescent Light > 5: 0.63 0.69 Neutral White Fluorescent Light > 6: 0.70 0.93 White Fluorescent Light > 7: 1.05 2.00 Tungsten Light > 8: 0.57 0.49 Flash > > But the translation to RGB space is rsther more complicated than > the simple linear scaling that dcraw uses.
