Feature request #7975

Meaning of scale field not explained in Print Composer

Added by Aren Cambre almost 4 years ago. Updated 23 days ago.

Status:Open
Priority:Normal
Assignee:-
Category:Map Composer/Printing
Pull Request or Patch supplied:No Resolution:
Easy fix?:No

Description

In Print Composer's Item Properties pane is a Scale field. The meaning of this field is not explained. All I can figure out is if I reduce the number in it, that zooms in within the currently-selected item.

Note that this is not a support request. This is a feature request for the UI to do a better job explaining what this field means. I guess it has something to do with the number of projection units displayed on the horizontal dimension of the viewport of the item, but I am not sure.

History

#1 Updated by Nyall Dawson almost 4 years ago

  • Priority changed from Normal to Severe/Regression
  • Assignee set to Nyall Dawson

This should be a blocker - something has broken the scale calculation for composer map items, and numerical scale bars based off the map also reflect an incorrect value.

#2 Updated by Nyall Dawson almost 4 years ago

  • Priority changed from Severe/Regression to Normal
  • Assignee deleted (Nyall Dawson)
  • Category deleted (33)

Actually - I've tracked down the problem I was experiencing - I had changed the CRS for a project, but the map extents in the composer retained the old coordinate system's values. Updating the extent fixed the scale problems I was having.

Aren - does this sound similar to what you are seeing, or is this a different issue? What values are you seeing for your map scales?

#3 Updated by Aren Cambre almost 4 years ago

I do have a project CRS specified, and Enable 'on the fly' CRS transformation is selected.

I'm seeing 360795 in Scale in the Print Composer. Extents are:
  • X min: 1254970.060
  • Y min: 1160240.042
  • X max: 1350219.940
  • Y max: 1226794.977

#4 Updated by Paolo Cavallini over 3 years ago

  • Target version changed from Version 2.0.0 to Future Release - High Priority

#5 Updated by Paolo Cavallini almost 3 years ago

  • Category set to Map Composer/Printing

#6 Updated by Giovanni Manghi 23 days ago

  • Easy fix? set to No

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