[Geoserver-users] Rounding scale to the closest tens in print - config.yaml

[VANDENSCHRICK , Grégoire]

Hi,

We use the printing extension to let users of our brugis website (Mapstore2 
based) print their map.

Everything works, but we added on the footer section of a mainPage, a text item 
that tells the scale of the map:

      footer:
        height: 30
        items:
          - !columns
            items:
              - !text
                align: left
                text: '(c) Brugis for data. (c) CIRB for Urbis basemap'
              - !text
                align: center
                text: '${comment}'
              - !text
                align: right
                text: 'Scale: 1:${format %,d scale}'

Sadly, on some scales (1/20.000 for example), the scale is a tad off, showing 
1/19.999 in this case.

I tried to round it the the closest tens with this (openai chatgpt bot 
suggestion):

text: 'Scale: 1:${format %,d round(scale,-1)}'

But it does not seem to be supported by Mapfish.

I tried to add

          zoomLevels:
            - !zoomLevels
              scales: [50, 100, 125, 200, 250, 500, 1000, 2000, 2500, 5000, 
7500, 10000, 12500, 20000, 25000, 50000, 75000, 100000, 150000]

in the - !map section of the items of mainpage, to strictly constrain the 
possible sclaes available with no luck.

And I have all the possible sclaes listed:

#===========================================================================
# the allowed scales
#===========================================================================
scales:
  - 50
  - 100
  - 125
  - 200
  - 250
  - 500
  - 1000
  - 2000
  - 2500
  - 5000
  - 7500
  - 10000
  - 12500
  - 20000
  - 25000
  - 50000
  - 75000
  - 100000
  - 150000

at the top of the config.yaml file...

What can I do?

Do I have to complete the dpis: section with truer ones (currently I have 
[90,180])?

Thank you already, and Happy New Year to everyone here 🙂.

Greg


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