[Therion] map survey option now causes (fatal) error

[bruce at tomo.co.nz]

For a few maps in a few surveys I have been using the -survey option to
constrain map statistics to match the underlying survey (page 34-35 of
Therion Book).

I think some recent version of Therion has broken this.

 

The start of my map definition.

 

  map MiddleEarthElev290Map \

  -title "Middle Earth and<br>Lower Greenlink Caves<br>Elevation looking 290
deg" \

  -projection [elevation 290 deg] \

  -survey MiddleEarth # survey option forces map statistics to match the
survey

 

The error reported.

via Mapiah.

C:\Program Files\Therion\therion.exe: error -- Press ENTER to
exit!./GreenlinkArea/./middleearthcave/INDEXMiddleEarthElev290.th [579] --
invalid survey reference - MiddleEarth

 

via XTherion

C:\Program Files\Therion\therion.exe: error --
./GreenlinkArea/./middleearthcave/INDEXMiddleEarthElev290.th [579] --
invalid survey reference -- MiddleEarth

writing xtherion file ... done

 

I am using. therion 6.3.4+d9c313ac (2026-03-29)

  - using Proj 9.8.0, compiled against 9.8.0

 

Anyone else noticed this?

 

Thanks

Bruce

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