[Therion] Multiple elevation maps

[Bruce]

Bill

The attached files demonstrate what I think you were describing in your
original message.  All of the changes I made to your files have the tag
#B20141112 added to them.

 

I have modified each elevation map to use a different projection.  Of course
it is ridiculous with this particular example, being essentially straight,
but it is the sort of thing one might do for a Tee shaped cave as you
originally described.

I had to change the projection of each elevation scrap, and this is not
something you would usually do after it has been drawn - of course the shape
of a scrap depends very much on the projection, and to change the projection
later on will usually render it meaningless (although Therion can pull off
some amazing morphing).

 

I added debug all to label the scraps, stations and observe the morphing.

 

I also took the opportunity to test the transparent background that I was
having trouble with in my datasets - it works!

 

Regards

Bruce

 

-----Original Message-----
From: therion-bounces at speleo.sk [mailto:therion-bounces at speleo.sk] On Behalf
Of Bruce
Sent: Wednesday, 12 November 2014 7:29 p.m.
To: 'List for Therion users'
Subject: Re: [Therion] Multiple elevation maps

 

Hi Bill

I think I see your problem.  I will potter around with the example you sent

to demonstrate what I think you want, but maybe not tonight.

 

For now, you can avoid the 'object not found' error by double clicking on

the survey or map item on the right-hand side of XTherion. For example it

places...

 

select AllElevations.map at PracticeCave

 

 

...at the cursor position in the th-config file.

 

And, if you select multiple maps of one projection, they will all be used in

the export for that projection.

 

-Plan is a projection

-Extended is a projection (developed or straightened out elevation) see

http://therion.speleo.sk/wiki/doku.php/faq#projections_plan_elevation_extend

ed_and_none 

-Elevation is a default for [elevation 000 deg] ie 'looking north'. So

assuming there are 360 degrees in a circle there are 360 different elevation

projections.

 

If all your elevations have the same projection, all the elevation maps will

end up in the same pdf (unless you modify the th-config between runs or use

multiple th-configs as Rowena suggests).

 

I will modify your example to demonstrate using two elevation projections

(without resorting to indexes). 

 

Bruce

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