[Therion] XVI commands: xth_me_area_adjust etc.

[Rich Smith]

Thanks Stacho! That all makes sense now. I think I've managed to get the
export working properly with that info.

I don't suppose there is any way of inserting an SVG using xth_me_image_insert?
That would be very useful.

first of all, thanks a lot for the great work on SexyTopo! I like your app
a lot.


Thanks for all the work on Therion! I'm a big fan.

cheers
Rich




On Sun, 28 Jan 2024 at 22:04, Stacho Mudrak <lists at group-s.sk> wrote:

> Hi Rich,
>
> first of all, thanks a lot for the great work on SexyTopo! I like your app
> a lot.
>
> Unfortunately, there is no documentation, but the attributes are the
> following:
>
> xth_me_area_adjust <Xmin> <Ymin> <Xmax> <Ymax> - where Xmin, Ymin and
> Xmax, Ymax are cartesian coordinates of lower left and upper right corners
> of drawing area
> xth_me_area_zoom_to <zoom> - where <zoom> is the default zoom factor, when
> drawing is open in xtherion. Should be 25,50,100,200,400.
> xth_me_image_insert {<Xpos> <visibility> <gamma>} {<Ypos> <root>}
> {<filename>} 0 {}
>   <Xpos> <Ypos> is the position of the 0,0 point of XVI coordinate system
>   <visibility> - 0 image is hidden / 1 image is shown
>   <gamma> - image gamma
>   <root> - root station name (if XVI is changed during compilation, this
> station keeps its position relative to the entire drawing). Can be omitted.
>   <filename> - name of image file
>   0 {} - image identifiers, can be 0 {} for all images - if it is like
> this, it will be calculated automatically
>
> HTH, S.
>
>
> On Fri, 26 Jan 2024 at 14:12, Rich Smith <rls at hwyl.org> wrote:
>
>> Hi Therion
>>
>> I'm the author of cave surveying app SexyTopo, and I'm trying to write a
>> better Therion exporter. Previously I'd kind of hacked an exporter that did
>> an approximate job, but I'm rewriting it and trying to do a better job.
>>
>> I understand I should generate an XVI file for each projection that
>> represents the sketch. I then need to set this in the th2 file with some
>> commands. For example:
>>
>> ##XTHERION## xth_me_area_adjust -132.0 -156.10532659555793
>> 1768.2371519518056 726.0
>> ##XTHERION## xth_me_area_zoom_to 100
>> ##XTHERION## xth_me_image_insert {950.6824683592552 1 1.0}
>> {267.841199967364 5} {blaengwynlais plan.xvi} 0 {}
>>
>> Are these documented anywhere? It seems like xth_me_area_adjust sets the
>> dimensions of the image, and xth_me_image_insert specifies the position and
>> filename, but I'm not clear what all the values represent.
>>
>> Many thanks for any pointers!
>> Rich
>> _______________________________________________
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>> Therion at speleo.sk
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>>
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