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Why does Gimp automatically change my specified dimensions?

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Why does Gimp automatically change my specified dimensions? usagora 21 Nov 20:35
  Why does Gimp automatically change my specified dimensions? Ofnuts 21 Nov 21:25
usagora
2016-11-21 20:35:01 UTC (about 8 years ago)
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Why does Gimp automatically change my specified dimensions?

I'm running Gimp 2.8.16 on Windows 10. When creating a new image or resizing a current one, and I enter the dimensions for length and width, Gimp keeps changing the fractional part of the units I enter. For example, if I enter 48.000cm x 46.000cm, it changes it to 48.006cm x 45.999cm. What gives? It doesn't do this with some units of measure, but it does for others.

See attachment

Ofnuts
2016-11-21 21:25:04 UTC (about 8 years ago)

Why does Gimp automatically change my specified dimensions?

On 21/11/16 21:35, usagora wrote:

I'm running Gimp 2.8.16 on Windows 10. When creating a new image or resizing a current one, and I enter the dimensions for length and width, Gimp keeps changing the fractional part of the units I enter. For example, if I enter 48.000cm x 46.000cm, it changes it to 48.006cm x 45.999cm. What gives? It doesn't do this with some units of measure, but it does for others.

See attachment

Attachments: * http://www.gimpusers.com/system/attachments/336/original/Capture.PNG

Because the physical size you require doesn't convert to an integer number of pixels, so Gimp computes the nearest integer value, and then computes back the actual physical size. Yes, this looks a bit superfluous, at current sizes and print definitions...