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</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link="#467886" vlink="#96607D" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>The error does not occur for…<o:p></o:p></p><p class=MsoNormal><span style='color:#196B24'>therion 6.3.4 (2025-04-08)<o:p></o:p></span></p><p class=MsoNormal><span style='color:#196B24'>cavern - Survex 1.4.17<o:p></o:p></span></p><p class=MsoNormal><span style='color:#196B24'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#196B24'>therion 6.3.4+1f7444ab (2025-08-12)<o:p></o:p></span></p><p class=MsoNormal><span style='color:#196B24'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#196B24'>therion 6.3.4+ba4385e9 (2025-11-19)<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>And for …<o:p></o:p></p><p class=MsoNormal><span style='color:#E97132'>therion 6.3.4+df4b6741 (2026-01-18)<o:p></o:p></span></p><p class=MsoNormal><span style='color:#E97132'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#E97132'>therion 6.3.4+999e03f9 (2026-02-21)<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I get…<o:p></o:p></p><p class=MsoNormal>C:\Program Files\Therion\therion.exe: error -- Press ENTER to exit!./GreenlinkArea/./middleearthcave/INDEXMiddleEarthElev290.th [225] -- incompatible map projection -- MiddleEarthElev290Map<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>…which is a different bug, previously reported, initially as <a href="https://github.com/therion/therion/issues/744">https://github.com/therion/therion/issues/744</a>.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Bruce<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0mm 0mm 0mm'><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none;mso-fareast-language:EN-NZ'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-ligatures:none;mso-fareast-language:EN-NZ'> bruce@tomo.co.nz <bruce@tomo.co.nz> <br><b>Sent:</b> Sunday, 19 April 2026 08:59<br><b>To:</b> 'List for Therion users' <therion@speleo.sk><br><b>Subject:</b> map survey option now causes (fatal) error <o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>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).<o:p></o:p></p><p class=MsoNormal>I think some recent version of Therion has broken this.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The start of my map definition…<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> map MiddleEarthElev290Map \<o:p></o:p></p><p class=MsoNormal> -title "Middle Earth and<br>Lower Greenlink Caves<br>Elevation looking 290 deg" \<o:p></o:p></p><p class=MsoNormal> -projection [elevation 290 deg] \<o:p></o:p></p><p class=MsoNormal> -survey MiddleEarth # survey option forces map statistics to match the survey<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The error reported…<o:p></o:p></p><p class=MsoNormal>via Mapiah…<o:p></o:p></p><p class=MsoNormal>C:\Program Files\Therion\therion.exe: error -- Press ENTER to exit!./GreenlinkArea/./middleearthcave/INDEXMiddleEarthElev290.th [579] -- invalid survey reference – MiddleEarth<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>via XTherion<o:p></o:p></p><p class=MsoNormal>C:\Program Files\Therion\therion.exe: error -- ./GreenlinkArea/./middleearthcave/INDEXMiddleEarthElev290.th [579] -- invalid survey reference -- MiddleEarth<o:p></o:p></p><p class=MsoNormal>writing xtherion file ... done<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am using… <span style='color:#EE0000'>therion 6.3.4+d9c313ac (2026-03-29)<o:p></o:p></span></p><p class=MsoNormal><span style='color:#EE0000'> - using Proj 9.8.0, compiled against 9.8.0<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Anyone else noticed this?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks<o:p></o:p></p><p class=MsoNormal>Bruce<o:p></o:p></p></div></body></html>