I have a problem, possibly caused by using an older version (3.90) of Irfanview (under Win XP pro). After discovering the lossless rotation plugin, I decided to go thru my entire collection of thousands of pictures and using that plugin, manually rotate all the images that appeared rotated. I believe my camera does not properly set the exif rotation flag, so this process could not be done automatically (in my meager understanding). Now after this painstaking process I can view all my images in Irfanview without having to rotate my head. (Yea!)
But now for the bad news. The applications I've found that lets me view my pictures on my large screen TV look at the exif tags and rotates the image according to them. (At least that is my guess). Also I'm guessing that Irfanview did not properly reset these tags when rotating the image. The net result is that the images that I had rotated manually, appear rotated on my TV (I think in the opposite direction to the original rotation) despite the fact that Irfanview displays them correctly. I'm guessing I could fix the problem by a batch clearing of the exif rotation flag. Does anyone concur with this analysis, and if so, are there any tools which can do this?
If not, any other suggestions for fixing the problem would be appreciated. I'm not interested in going thru my images one by one to correct the problem manually. I already tried that once and it took far too long and was unsuccessful in the end.
But now for the bad news. The applications I've found that lets me view my pictures on my large screen TV look at the exif tags and rotates the image according to them. (At least that is my guess). Also I'm guessing that Irfanview did not properly reset these tags when rotating the image. The net result is that the images that I had rotated manually, appear rotated on my TV (I think in the opposite direction to the original rotation) despite the fact that Irfanview displays them correctly. I'm guessing I could fix the problem by a batch clearing of the exif rotation flag. Does anyone concur with this analysis, and if so, are there any tools which can do this?
If not, any other suggestions for fixing the problem would be appreciated. I'm not interested in going thru my images one by one to correct the problem manually. I already tried that once and it took far too long and was unsuccessful in the end.
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