They are all related to my teco backend: - apparently the optical resolution is 300*1200dpi. However if the Y resolution goes beyond 300, the image is stretched. eg a 300*600 scan will give an image twice longer than a 300*300 image. Is there a software algorithm to correct that?
- the twain driver asks for some data at the beginning of the scan. 30720 bytes are returned, independantly of the resolution or area scan. I assume this is some calibration data. How can I use that, or how can I find out how to use it or what it is exactly? I assume this is then used to modify the gamma table that is sent just after. - the twain driver, in color mode, shows 4 gamma tables: rgb, red, green and blue. How is it handled by the frontends? Has rgb a priority over the three color tables? What should be the option name of the rgb table? Frank.
