In article <6ff6749d51.Peter@xxxxxxxxxxxxxxxxx>, Peter Russell <peter@xxxxxxxxxxx> wrote: > In article <Marcel-1.53-0129114403-f7fpErr@xxxxxxxxxxxxxxxxxxxxxx>, > CJE Sales <sales@xxxxxxxxxxxxxxx> wrote: > >> On Sat 29 Jan, Richard Ashbery wrote: > >>> > >>> Rotating a mass of camera jpegs in PD takes a very long time so > >>> I perform this task in Variations which is reasonably quick and > >>> as far as I am aware is lossless. Importing them into PD gives > >>> horizontal banding making further processing impossible. > >>> > >>> Does this still happen in PD? > >> This is being worked on by the author. The horizontal stripes > >> are a function of how the operating system deals with JPEGS of > >> this type, so the author is having to work around this. We have > >> a beta version here which overcomes it but at the expense of > >> very slow loading, so this needs further work. > I have been using !PrivateEye to do my rotations, but I don't know > idf this is lossless? As far as I am aware PrivateEye rotates jpegs with minimum data loss. There must be some degradation because every time a jpeg is decompressed, processed and then recompressed some of the data will be lost. Can anyone else clarify? Have you tried Variations Peter - it is very useful if you need to rotate many jpegs from a digital camera where the image is taken in portrait mode - the program detects the Exif data containing the camera orientation and indicates which way to rotate the image by a little blue arrow. Bear in mind that when the images are loaded they all appear correctly orientated. Adjust-clicking on subsequent images (blue highlight) and then clicking the correct Rotate icon will rotate all of them. What a pity we don't have any software (as on the PC) that can perform rotation automatically. OHP is the only package that does auto-rotation of images but you are unable to save them - however the software wasn't designed to do this. Richard