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HOWTO create terrain object preview images for eden mission editor.

Turn all settings to ULTRA except PPAA and Bloom disabled. You do not have to disable -profiles= dir as bis wiki wrongly suggests.

Add into <YOURNAME>.Arma3Profile:

HDRPrecision=16;
maxScreenShotFolderSizeMB = 20000;

Then run eden editor and make like init.sqf or any way you want this command:

0 = [nil,"all",[],[],["pmc_opx_buildings_cfg"]] spawn BIS_fnc_exportEditorPreviews;

That “pmc_opx_buildings_cfg” is the addon class name where your objects are located.

Resize all images to 455×256 and save them in JPG format using GraphicsMagick:

@echo off
md temp
for /F "tokens=1* delims=. " %%A in ('dir /b *.png') do (
gm convert %%A.png -resize 455x256 temp\%%A.jpg
)
rem move stuff to current dir and clean out temp dir.
move temp\*.jpg .
rd temp
del *.png
dir /b *.jpg >_list_of_jpgs.txt
pause
exit

Create MyAddon\Data\EditorPreviews\ directory and move the JPG's there.

Write config like this:

editorPreview =  "\myaddon\data\editorpreviews\land_model_name.jpg";