Legacy ImageMagick Discussions Archive

Hi,

I am running a command (see below) to convert a jpeg image to tiff image by using -resize option.

convert -verbose -quality 100 -scale 54000 -units PixelsPerInch -density 300x300 -resample 300x300 input.jpeg -resize 54000 output.tif

I ran into an error (see below) after some time. The ...

I want to convert an image to 300DPI so I used -resample. When I used -resample without using -density it threw an error, saying (somewhat like) "Image does not contain resolution".

If a run below code
convert input.jpeg -units pixels-grinch -density 300x300 output.tiff

I got below error
convert ...

Will "widthx" work? Because I can not see it here in the link below.

https://www.imagemagick.org/script/comm ... p#geometry

Anyways I removed gm and ran the original command. I got approximate outside. I still wonder why it didn't work with the combination of graphicMagic.

Sorry, My bad.

Thank you for your info on pixels. I found a way to tackle it. inches * DPI = pixels; ie 96 * 300 = 28800

I have an image, let say of 5059x3360 in pixels. I actually want to resize it to user entered dimension. let us consider it be 2400 (pixels) width by maintaining the aspect ...

I have been working on an image from last 25 days with zero output. So I came here in search of an answer.

I have a jpg image of 7MB. I upload it in Photoshop and changed the width to 96 Inch, Resolution for 300 pixels/inch, checked resample option and selected Preserve Details 2.0 and reduce noise ...