There is no such symbol right now. You can use point altitude for this purpose and set up a grid origin to the altitude of cave entrance. But it will not generate number with line above. It is no problem to redefine it - but one question remains.
You may generate any symbol you want in therion generally. But if the particular symbol is not yet defined somebody must do it. For example to start with new symbol set, let say "Mexican", and created (coded, programed) all necessary symbols in MetaPost. Temporary one may do it for user defined symbols in layout section.
On 5.5.2012, at 9:51, Torsten Schnitter wrote:
Is there any possibility now to get such numbers or is it an option for a future
release?
As first step generate the list of all available symbols - see Appendix in TherionBook and check how to use symbols from different symbol sets in you map in layout section.
Martin s.
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