[Therion] How to generate PDF only with polygon - solution

The trick is to „select“ a map defined from surveys in thconfig with full path, including the name of highest survey, where that map is defined. source index.th select polygon.map@index_survey export map -layout-debug station-names ### to display station names too. ######where####### survey index_survey -title "Perlová jaskyňa" input 2015.th input 2016.th equate 48@2015_survey 0@2016_survey map polygon.map -projection plan 2015_survey 2016_survey endmap endsurvey