seperate layers for surface and sketch images

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Hi all

I am looking to try and generate an output which will always have the
same co-ordinates.

I am try to do this as we have a rapidly expanding cave system which we
would like to plot on google earth (or the likes) using Bill Chadwicks
map of the Mendips

http://www.bdcc.co.uk/mendip.html

Now after consulting with Bill it appears if we predifine the size of
the plot the crunching, just becomes computer power, so we can update
then map as data comes in, full instructions are at

http://www.bdcc.co.uk/GoogleCrunch/Crunch.htm

Any hints welcome, one idea I have had is to use a 'blank' bit map as a
surface, does it always displace the whole surface? This is something
that I am having dificulty understanding the instructions for

thanks

Andrew

PS as soon as we fix the corners we will go back to the old fashiones
paper problem of going off the sides....

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> I am looking to try and generate an output which will always have the
same co-ordinates.

Andrew
I would just define two stations at extreme diagonal corners of the area you
want.  Give them fixed co-ordinates and you are done.

Give them their own survey.th, .th2 file, map definition and you're done.

Bruce


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On Mon, May 11, 2009 at 7:14 PM, Andrew Atkinson <andrew@...> wrote:
> I am try to do this as we have a rapidly expanding cave system which we
> would like to plot on google earth (or the likes) using Bill Chadwicks map
> of the Mendips

You could use KML export which can be loaded directly into google earth.

If you need to use bitmap output, PDF maps contain georeferencing
information (for nine points) as a comment. XTherion can use it to
produce PNG image + MAP Ozi explorer-like calibration file (Help ->
Calibrate bitmap). If your software doesn't load MAP files directly,
you would need to write some simple conversion script.

Martin
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Hello

in layout using

colour map-fg 0

all the maps come out black and you can control the colour

you can get different coloured maps using

colour map-fg map

But is there a way to control the colour of each map? Ie I am trying to
hi light one map (section of cave) in red and colour the rest in black

thanks

Andrew

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Unfortunately, this feature is only in the TODO list :( A lot of
people are asking for it, so it looks it is time to implement it.

Regards, S.

On Wed, May 13, 2009 at 10:20 AM, Andrew Atkinson <andrew@...> wrote: _______________________________________________
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Also probably to do with the simplicity of google earth etc, some of the
colours just do not work very well, I look forward to it been added,
save me time putting it into another program and re-colouring

thanks

Andrew

Stacho Mudrak wrote:
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I am using therion with servex 3d files

using the command

import GB.3d -surveys use -cs EPSG:27700 -calibrate [0 0 0 300000 100000 0]

Which works fine, and generating the 3d file to check, using

export model -fmt survex -o GBth.3d

in the configuration file gives the same co-ordinates (with the
displacement added for the national grid) as the original survex 3d
file, however generating the kml file and looking at it on google earth,
the entrance has moved 90 metres on a heading of 078 degrees (and I
assume the rest of the cave)

I have no idea where to look to fix this!

Thanks

Andrew


(The file extern/proj4/nad/epsg gave 3 results when searched for OSGB
and I have to say I did not understand the contents of the file, but got
three search results gave 2 numbers that I hope are the ones to use 4277
and 27700 I went for 27700 as
http://www.dnf.org/Pages/registry/CRS.asp#ETRS89
has 27700 but this is the SRID and also EPSG OP 19916 further down?
trying 4277 crashes my machine with a memory unaddressable error)





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Excellent suggestion, and using the scrap -stations [stn1 stn2...] you
do not even need to draw anything

thanks

Andrew

Bruce Mutton wrote:
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On Wed, May 13, 2009 at 2:11 PM, Andrew Atkinson <andrew@...> wrote:

> import GB.3d -surveys use -cs EPSG:27700 -calibrate [0 0 0 300000 100000 0]
>
> however generating the kml file and looking at it on google earth,
> the entrance has moved 90 metres on a heading of 078 degrees (and I assume
> the rest of the cave)

EPSG:27700 included in therion does not define datum shift between
Airy and WGS84 ellipsoids. We will update proj4 library for the next
snapshot.

> trying 4277 crashes my machine with a memory unaddressable error

Could you send some minimal data example + platform description?

Martin
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Yes, controling the scrap/maps colors would be a great feature! I need
it to do some summary maps of a complex system.

Another feature that would be great is the warping of th2 elements. Here
is my problem: so far I draw elevation maps at azimut 135 because that
seemed to be the main direction of the cave. Now, the last explorations
reveal that the main axis is at 120 degrees. So I would like to redraw
all my elevations at this new axis. Changing the elevation axis in the
scrap descriptions does warp my old th2 drawings to fit the new
projection axis, but there are always features that needs to be adjusted
and it is difficult to anticipate the result of the warp. I would like
to be able to save the warped points/lines/areas in a new file and then
edit this new drawing which will have no distortion. Is that a feature
that could be investigated?

Xavier

Stacho Mudrak a écrit :
[Xavier_Pennec.vcf]

---

begin:vcard
fn:Xavier Pennec
n:Pennec;Xavier
email;internet:xavier.pennec@...
tel;work:+33 4 92 38 76 64
tel;fax:+33 4 92 38 76 69
version:2.1
end:vcard

---

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Xavier wrote;

Yes, I've been in the same position, but assumed that this feature would be
too much to ask for. If there are side passages running towards or away from
the projection angle, they tend to get turned inside out when they flip from
'running slightly left' to 'running slightly right'.  Still, most passages
will be OK.

It would be nice though.  When I first used Therion I tried to use the same
elevation drawing for both a projected elevation and an extended elevation.
Before I understood that this was not the intended functionality of Therion.
The results were so so.  A bit of distortion here and there as you can
imagine.  Xavier's idea would not make this possible, but would ease the
process of drawing the second elevation based on the first.

Bruce


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Hi,
if Iwould get some Lists of our cave, I have tried to make it with
export servey-list
it has worked - I have got a file named table.html with the Informations in it as a table.
next I would have a list of all station points
to I have taken export continuation-list (before I have deleted the first "table.html") - I have got a file named table.html but without any content - ?????
 
I have investigated in the Therion-Wiki. But i have found nothing about that problem.
 
Please let me know, how I get a list with all station-points. Or if I need the name of the deepest point in my survey?
 
regards and thanks
Markus
 

 


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>next I would have a list of all station points
>to I have taken export continuation-list ... - I have got a file named
>table.html but without any content - ?????
 
The continuation-list produces a list of going leads or continuations only
if you have explicitly defined them in your data.  If there are none
defined, the file will be empty.

>Please let me know, how I get a list with all station-points. Or if I need
>the name of the deepest point in my survey?
 
This requires a database export (see below) and then you need to use your
sql expertise to extract station co-ords or other interesting information
from the file produced.

I am not good at this so perhaps someone else can explain.

The syntax I use for textual outputs is similar to that below...

Bruce

#!SURVEY LIST EXPORT
export survey-list -output Output/Late08Series_Surveys.html

#!CONTINUATION LIST EXPORT
export continuation-list -output Output/Late08Series_Continuations.html

#!CAVE LIST EXPORT
export cave-list -output Output/Late08Series_Caves.html \
  -location on

#!DATABASE EXPORT
export database -output Output/Late08Series_Database.sql

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I'm wondering why there is no simpler way for doing this... (a .csl file
would be easy to produce ?)

Anyway, the SQL export is there, and there are certainly many non-SQL
experts that would like to exploit the exported database... Is there
anyone that would already have implemented some simple interface to the
database (e.g. PhP-mySQL), and that could share this code ??



Bruce Mutton wrote:
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> Please let me know, how I get a list with all station-points.

Export model in survex format

export model -o stations.3d

and use 3dtopos survex utility to convert 3d file to text file with
station coordinates.

> Or if I need the name of the deepest point in my survey?

If you run your project from xtherion compiler, click on the survey in
the "Survey structure" tree and in the "Survey info" panel, there is
displayed vertical range with station names. Something like:

vertical range: 386.42m (from 2@... at 1720.84m
to 5@... at 1334.42m)

We would like to integrate queries on the database directly to
therion, but it will take some time.

Regards, S.
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On Mon, May 11, 2009 at 9:32 AM, Bruce Mutton
<bruce.mutton@...> wrote:

> Is any progress planned on separating the sketches from the surface layer in
> pdf outputs?

This feature has been at last implemented in 5.2.12.

> If so I’d like to put in a request for each sketch to have it’s own unique
> layer, and to support the transparency feature already implemented for
> passages and the surface.  Are there any issues related to this (other than
> large run durations and file sizes)?

Currently sketches belong to the same layer as corresponding scrap.
Passage transparency setting should apply to them in PDF export.

M.
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