Legacy ImageMagick Discussions Archive

You need to specify the units with the density. See -units. PNG only supports dots per centimeter. So the values are converted from dpi to doc. The difference is due to the units conversion. 300 dpi *2.54 cm/in = 762 dpi. Review your input and output for the units specified. Thank you for the quick ...

Hi, For JPG and PNG, I use the command Resample to change the DPI. The original image has a size of 1920 * 1080 (96 dpi). For JPG works well. For PNG, I get the image of 15242 * 8574 (762 dpi) Path of code: Image. Read ("D:\artscope\96dpi\screenshots\96.png") Image. Resample (300, 300) Image. Write ...