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I'm able to generate maps using the Atlas tool.

I set the "Fixed scale" for the map and the scale bar as "Fixed width". But the scale bar length still changes for each map even map scale stays the same.

This is the setting of scale bar

This is the settings of scale bar

This is the first map's scale bar:

1st map scale bar

And then, if I move to another map, it will be this

enter image description here

If you look closely at the image, the length of the scale bar slightly changes.

How can I fix this issue?

Is this the correct setting?

enter image description here

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    Please post an image of how you fixed the map scale and the scale bar to see what is going wrong.
    – ahmadhanb
    Jul 27, 2023 at 1:33
  • @ahmadhanb, updated.
    – Yixuan Ma
    Jul 27, 2023 at 18:22
  • Check if the answer solved your problem.
    – ahmadhanb
    Jul 31, 2023 at 23:41
  • @ahmadhanb, hey. I tried to edit, but not very sure I pasted the value to the right place. I already set up the other steps. Thanks!! The Data defined Override is not available for me to edit.
    – Yixuan Ma
    Aug 1, 2023 at 17:19

1 Answer 1

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You need to fix the scale from the Map item → Main Properties → Scale. Here are the steps to do that:

  1. Write a proper scale value based on the extent of the largest feature. Then, copy the scale value and paste it into the Data Defined Override. It turned yellow color, as you can see in the image below.
  2. Activate Controlled by Atlas
  3. Select Fixed Scale

enter image description here

The scale bar will not change (expand or shrink) after that. Here is the output:

enter image description here

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  • Thanks for answering!!
    – Yixuan Ma
    Aug 1, 2023 at 17:17

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