[Therion] Multiple elevation maps
Bill Gee
bgee at campercaver.net
Wed Nov 12 21:14:35 CET 2014
Hi Martin
Line 41 in MillCreekCave.th names the first elevation scrap in the first of the
two elevation maps.
==================
map MainPlan -title "Mill Creek Cave (PUL-012) - Plan View"
# Main survey scraps
Entrance1
EntranceConnector
Entrance2
TJunction1
TJunction2
TJunction3
endmap
map MainPassageProfile -projection elevation
Elevation1 <<== Line 41
Elevation2
Elevation3
Elevation4
Elevation5
Elevation6
endmap
map CPassageProfile -projection elevation
ElevationB1-C2
ElevationC2-C5
ElevationC5-C6
ElevationC6-C7
ElevationC7-C8
ElevationC8-C9
ElevationC9-C11
endmap
=================
The scrap is defined like this in the th2 file:
scrap Elevation1 -projection [elevation 330 deg] -scale [0 0 1600 0 0.0 0.0
40.64 0.0 ft]
And the select/export section from the thconfig file is this:
===============
# Entrance passage elevations
select MainPassageProfile at MillCreekCave
export map -proj [elevation 330 deg ] -layout profilemap -o
MillCreekCaveElevation1.pdf
# C Passage elevations
select CPassageProfile at MillCreekCave
export map -proj [elevation 270 deg ] -layout profilemap -o
MillCreekCaveElevation2.pdf
# Main map
select MainPlan at MillCreekCave
export map -proj plan -layout mainmap -o MillCreekCave.pdf
=================
I have a thought on this ... The main passage of this cave starts out going
northeast, then gradually bends to the east. I chose an angle of 330 degrees
because that would give me approximately an orthogonal view, as if I were
standing off to the right of the passage to look at it. The second passage
goes almost straight north, so a view angle of 270 degrees gives the same
orthogonal view.
If the passage were a train heading northeast and I were standing on the
right-hand side of the tracks, my best view of the train would be on an angle
of about 330 degrees.
Is that the wrong way to choose those angles?
Thanks - Bill Gee
On Wednesday, November 12, 2014 17:38:35 Martin Sluka wrote:
> 12. 11. 2014 v 17:20, Bill Gee <bgee at campercaver.net>:
> > therion: error -- MillCreekCave.th [41] -- incompatible scrap projection
> > --
> > Elevation1
>
> What is on 41st line of MillCreekCave.th ?
>
> m.
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