![]() ![]() I also think I need to give you all a more clear idea of our needs and perhaps should have started there. Sorry, was out of town at the end of last week and was unable to respond and clearly needed to do more research about transparency channels. IM cannot handle more than one alpha channel and perhaps not even that if there is background transparency (to my knowledge). Looking more carefully in PS, your hat.tif image has many alpha channels in addition to a clip path. `TIFFFetchNormalTag' warning/tiff.c/TIFFWarnings/850. `TIFFFetchNormalTag' warning/tiff.c/TIFFWarnings/850.Ĭonvert: Incompatible type for "RichTIFFIPTC" tag ignored. `TIFFFetchNormalTag' warning/tiff.c/TIFFWarnings/850.Ĭonvert: Incompatible type for "SceneType" tag ignored. `TIFFReadCustomDirectory' warning/tiff.c/TIFFWarnings/850.Ĭonvert: Incompatible type for "FileSource" tag ignored. `TIFFReadCustomDirectory' warning/tiff.c/TIFFWarnings/850.Ĭonvert: Unknown field with tag 306 (0x132) encountered. `TIFFReadCustomDirectory' warning/tiff.c/TIFFWarnings/850.Ĭonvert: Unknown field with tag 296 (0x128) encountered. `TIFFReadCustomDirectory' warning/tiff.c/TIFFWarnings/850.Ĭonvert: Unknown field with tag 283 (0x11b) encountered. `TIFFFetchNormalTag' warning/tiff.c/TIFFWarnings/850.Ĭonvert: Unknown field with tag 282 (0x11a) encountered. Some images have a range of transparent pixels of anywhere from 0 to 99, so we just need to retain the native transparency found in the source tif file.Ĭan anyone point us in the right direction?Ĭode: Select all convert: Incompatible type for "RichTIFFIPTC" tag ignored. ![]() We tried to use clipping paths to isolate the transparency, but this will not work in all instances. The shoe bottom png was completely opaque and the void area in the hat was also opaque: This is the code that our system developer started with:Ĭonvert $file -alpha off -flatten -quiet -format png /Volumes/RemoteFS/Test_Output/$.pngīut this did not uniformly retain the tif transparency in our test of roughly 1600 files. ![]() Here are a couple of examples of what I see when I look at these files in PhotoShop CS6: The layered tifs are completely inconsistent when it comes to number of layers, alpha masks and paths, but they always have transparency around the active image area. We're trying to use ImageMagick to process layered Adobe RGB (1998) tif format files that have transparent areas surrounding and sometimes inside the active image area to Adobe RGB (1998) png format files while retaining the natural transparency of the tif file. ![]()
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