I have tried pdf2image and PIL to convert pdf to tiff image
when i convert pdf to tiff image for each pdf page generate new tiff image.
I want to single tiff image instead of different one.
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I have a situation where I need to convert TIFF files to JPEG files in Python. I am using the PIL library to do this and it works fine unless the TIFF has a transparent background on it and then PIL can't open the file and says it is not recognized. Are there other solutions to this in Python?
TIFF format files usually consist of multiple images of different resolutions. Try reading with openslide
Eg:
patch = openslide.OpenSlide(img_path)
patch = patch.read_region((17800,19500), 0, (256, 256))
For more info visit openslide documentation
I am trying to batch process images, in which I need to convert some multi-page tiff files to individual jpeg images, I tried with PIL library of Python but sadly PIL only supports conversion of a single page, in this case the first page in TIFF files.
I have a base64 image data which I want to save a png file. But When I save it as file, it does not retain the transparent portions but becomes fully black.
Is there a way to retain transparency while writing png file in Nodejs?
I'm trying to convert a Svg file which has a base64 encoded png in it.
Im trying to convert the file from svg to png using Imagemagick.
The problem being that the Svg converts (all the pure svg elements ie. text and such) but the png in the svg disappears.
Originaly i had alot of params added to the conversion but when i realized it wasn't working i striped it down to just this command:
convert /www/data/svg/201.svg /www/data/png/201.png
Original SVG:
201.svg
Result:
How to flatten images in PDF files with transparency?
convert PDF to PS (postscript)
pdftops input.pdf output.pdf.ps
If a PDF file contains eg. PNG files with alpha channel (transparency) the PDF is rendered/rasterized to an image and that is not a solution because then you lose the plain text in the file
Is there a tool (linux command line) to flatten images in PDF files with transparency?
Its not clear why you want to do this. If you want PostScript then Ghostscript can produce PostScript for you from a PDF file (use the ps2write device). Obviously transparency will have to be rendered to an image, in which case the resolution is important. The default is 720 dpi which is probably higher than you might need.
Note that a PDF file can't contain a PNG, that's not a possible image type in PDF. A PNG would have to be stored as an image with a separate alpha.