August 2008 - Therion

Problem compiling 5.2
by Bill Gee 12 Sep '08

12 Sep '08

I am installing Therion 5.2 on two systems. Both are Fedora 7. On one it compiles and installs correctly. The other will not complete the compilation. It aborts with an Error 2 after thbook.pdf is built. The attached file contains the last part of the compile run. As far as I can tell the two systems are configured the same. Therion 5.1 compiles without error on both systems. On both systems I ran "make" with no options. I did not use "config-linux" or "depend" or any other option - just straight make. Can anyone give me a hint about what I am missing? Thanks - Bill Gee

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conversion vtopo/therion : .tro ->.th
by Martin Gerbaux 19 Aug '08

19 Aug '08

Dear all This is my first message on the list. To introduce me, I mainly practice caving in the French Alps, around Grenoble. I discovered therion 1.5 years ago and really enjoy this soft. I apologize because I think this question is often submitted, but I did not find the answer on the archive of the list, neither on the wiki : I would like to make a synthesis on a medium cave (about 5km and 800 stations), and most of the former surveys have been done with Vtopo (a single 830 lines file .tro). Since Vtopo and therion syntaxes are quite similar for topographic survey, does anybody get a script to convert vtopo files (.tro) to therion file (.th) ? (I work under linux). Martin

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New & Improved Therion Textual Outputs
by Bruce Mutton 17 Aug '08

17 Aug '08

I really like the new cave-list and survey-list outputs! Helps when Therion can tell me what the dataset contains, rather than me trying to remember based on file names. Bruce

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Altas Wish List (and elevation label bug?)
by Bruce Mutton 16 Aug '08

16 Aug '08

Have been playing with setting up a co-ordinated set of plan and elevation atlas' and have come up with some issues; 1. Where elevations are perpendicular to the co-ord system grid (viewed N, S, W, or E) then vertical grid lines (or positions if you use the default cross hairs) would be appropriate, but there is no option for this at present. (This applies to map outputs as well) 2. Using the 'origin' and 'origin-label' works well in standalone plan view but seem to work poorly when trying to use a consistent 3 dimensional tessellation for a set of plans and elevations orthogonal to the co-ordinate system. (Of course it would not work very easily in concept it were not orthogonal - and keeping a single three dimensional atlas origin point) As per the attached, I have set the atlas origin so that the atlas plan with origin at bottom left is called X 12 in the navigation box, and so that the atlas elevation with origin at bottom left should be 5 X. The atlas page is setup so that the drawing length along each of the pages is the same (ie PLAN size + 2xoverlap = ELEV size + 2x overlap). What I find is that the elevation labelling is incorrect (ie the origin sheet for the elevation is labelled 5 V, (not 5 X) and that because my elevation is looking west, the labels increase in the wrong direction. I think there is a bug in the labelling of the atlas pages in elevation. There needs to be a means of reversing the direction that the ABC, 123 increase in, so that plans and elevations can use a consistent atlas page labelling scheme. These effects are the same for version 5.2 and 0.5.1 Layout values used to get the attached outputs. #Atlas plan origin definition origin 5485 6530 1075 metres #co-ords of lower left corner of 'origin' atlas page origin-label 12 X #label & type <across> <down> #Atlas elevation origin definition origin 5485 6530 1075 metres #co-ords of lower left corner of 'origin' atlas page origin-label X 5 #label & type <across> <down> 3. As I have mentioned before, labelling of the page and atlas labels on the navigation box (as I have hand written on the attached) would help immensely. 4. Implementing the map-image feature (or something similar) in atlas' would be useful. Would need to specify the page(s) the image should appear on I guess. While I'm at it, it would be nice to apply a scale factor to map images, to reduce the to & fro between image editor (for resizing) and therion. Stacho and Martin, as always your efforts are greatly appreciated. Bruce

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Atlas exclude-pages syntax issue and solution
by Bruce Mutton 16 Aug '08

16 Aug '08

A minor 'character' issue with the exclude-pages statement when there is only one page to exclude; exclude-pages on [4] and a number of similar arrangements (without the brackets for example) results in the following error at compile time; making atlas ... D:\Program Files\Therion\therion.exe: error -- Invalid character in the exclusion list! The solution is to add a comma; exclude-pages on [4,] Regards Bruce

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XTherion - Insert Image problem
by Duncan Collis 16 Aug '08

16 Aug '08

Hi, having a spot of bother with XTherion. I'm using the latest developers snapshot on Win XP, and have the following problem: Using the 'Insert Image' menu item, when I select an image file, I always get an error message: couldn't read file "<filename>": no such file or directory Where <filename> is the path and filename I chose... ...well almost. Backslashes turn into forwardslashes, and there is always a character missing, so if I chose: C:\images\file.png I will see: C:/mages/file.png This used to work OK (within the past 12 months). I haven't had any need to insert any images of late (I already had several to trace), so I'm not sure when it stopped working. Duncan.

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new version
by Martin Budaj 16 Aug '08

16 Aug '08

Hi all, new version of therion is available (see the file changes for new features). We introduced a new, more standardized version numbering scheme. Stable releases are numbered using MAJOR.MINOR combination, unstable releases get the third nuber: MAJOR.MINOR.BUILD_NUMBER. We also dropped the leading zero because Therion does not deserve it any more and there is no space left for it in the new numbering. Therion book contains new chapter Case studies, which documents some of the features (http://therion.speleo.sk/downloads/thbook.pdf) It is rather experimental now, but could be expanded to cover all substantial areas of therion usage. If you compile thbook by yourself, you need to compile samples in the "samples" directory before compiling thbook to include this chapter. thTeam

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Atlas page positioning
by Bruce Mutton 11 Aug '08

11 Aug '08

I still have a gap in my understanding of how atlas's are arranged. My assumption from reading the Therion Book is that the origin and origin-label commands are about how to position the tessellation of atlas pages on the 2D cave image. (Sorry, have not downloaded the latest version just yet) My INDEX.th file contains; centreline cs EPSG:27200 #NZ Map Grid 1949 #Entrance co-ordinates fix N2@n 2500597 6023471 751 #NZMG GL entrance endcentreline and my layout file contains; origin-label 2 A #label type <across> <down> 2 A gives A1, 1 A gives A0, 0 A gives A-1 origin 2500600 6023000 600 meters #co-ords of lower left corner of first atlas page If I leave out the last line I get perfect atlas's (and all other outputs for that matter) - just not a very efficient use of 'paper'. If I include the last line I get; D:\Program Files\Therion\therion.exe: error -- mixing local and global coordinate systems not allowed -- conflict with cs specification at LayoutPlanThisAtlas.thc [11] The origin co-ordinate given is just to the bottom left of the cave in the projections I am using (plan, elevation 290 deg) so that when I have the whole cave system drawn it will fit on a grid of A2 sized pages that is two sheets high (rather than three) I am using rotate 070 to orient the plan nicely on the paper. (I think once I have this sorted out I will be able to use a more sensible origin-label specification) Is my understanding of the purpose of these two commands correct? I have tried a number of spellings of 'meters' and leaving out the units to no avail. Any ideas? Bruce

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Atlas Layouts
by Bruce Mutton 04 Aug '08

04 Aug '08

Attached is a small spreadsheet to help create Atlas page layouts. On entering 7 input variables, (paper size, margins, navigator etc) you can copy and paste the required 12 variables into your Therion layout in a single operation. Perfectly optimised page layouts with no nasty arithmetic! Thanks for your recent posts Martin. I'll try out the tex spaghetti and report back. Bruce

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