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zskarte / zskarte-client

Zivilschutz-Karte allows to draw situation maps for disaster management
https://www.zskarte.ch/
MIT License
13 stars 8 forks source link

feat(zoom): add option to zoom to scale with screensize #400

Open swerder opened 4 months ago

swerder commented 4 months ago

this fixes: https://github.com/zskarte/zskarte-client/issues/49

floating-ui component_new-scale-button

HINT: on mercator projection the scale changes based on latitudes. Therefore the setted scale changes if scoll around on the map.

To make the scale really matches and is not only an value show on the virtual ruler, the user have to define the pysical size of there screen in Inches so the real DPI/PPI can be calculated.

scale-selection component_define-scale-and-screensize