[Therion] How to do better join from scraps in different .th2 files?

[Nikita Kozlov]

There is a little trick with scale and ppi.

Assuming xvi-file scale is 1:100 and ppi is something like default 72.

To place generated from photoshop raster, with default ppi 300, and map
scale of 1:100 yo do not have to apply scaling on raster,
but rather specify it as a parameter to scale xvi appropriately to your
raster, i.e place a command like this to .thconfig

export map -fmt xvi \
           -proj plan \
           -layout-scale 3 200 \
           -o bottom_plan.xvi

Then your xvi will match your raster by scale.

Also I suggest using smaller in byte size raster file formats like jpeg and
do not use png with transparency as background images,
because XTherion has troubles with such kind of png-s.
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