[Therion] Sketches on doesn't work / legacy survey

Sat Apr 18 12:19:51 CEST 2020

Hello Bruce,

thank you very much for your explanations which are plausible.

Regards,

Roger
------ Originalnachricht ------
Von: "Bruce Mutton" <bruce at tomo.co.nz>
An: "'List for Therion users'" <therion at speleo.sk>
Gesendet: 17.04.2020 23:05:31
Betreff: Re: [Therion] Sketches on doesn't work / legacy survey

>Roger
>
>Your ‘artifacts’ are actually the passage lrud dimensions being plotted 
>as instructed.
>
>Here they are with a bit of colour.  You see, there is your image, 
>stations, short stubs of centreline, and solid trapezoid passage shape 
>based on lrud.
>
>
>BTW, I do think the fact that the passage trapezoids, the background 
>images, and the scrap drawings all plot in the same pdf layer is 
>undesirable.
>
>The user viewing the output file cannot then isolate these components 
>of the output, as they can with previews and surface images.
>
>
>
>Anyway, back to Roger’s example.
>
>
>
>A tidy way to suppress the passage centreline trapezoids is to put a 
>‘walls off’ statement in your th file.  ie
>
>
>
>     walls off # walls off will hide the lrud passage shading
>
>     data  normal  from  to    length  compass clino
>
>     etc
>
>
>
>And yes, I see now, symbol-hide group cave-centerline will cause an 
>error, because there is then no scrap to draw (Therion must have at 
>least a scrap or a centreline to draw – seems that scrap station points 
>and images don’t count).
>
>
>
>Here is what happens if a random scrap passage wall is drawn and walls 
>is off, and the centreline is not hidden.
>
>There is your image, stations, short stubs of centreline ONLY inside 
>the scrap, and no solid trapezoid passage shape.
>
>
>Now, if ‘symbol-hide group cave-centreline’ is invoked, it works 
>perfectly, even though I appreciate it is not what you want.
>
>Here is your image, no stations, no short stubs of centreline, and no 
>solid trapezoid passage shape. But there IS the scrap passage drawing.
>
>
>
>
>
>
>Hope that helps.
>
>Bruce
>
>
>
>
>
>
>
>From: Therion <therion-bounces at speleo.sk> On Behalf Of Roger Schuster
>Sent: Saturday, 18 April 2020 07:12
>To:therion at speleo.sk
>Subject: Re: [Therion] Sketches on doesn't work / legacy survey
>
>
>
>Hello cavers,
>
>finally I got it working and now I also can provide a complete example:
>
><https://send.firefox.com/download/68dbfd56e60e2b2c/#iSkNt75QW2_8tIZeDCD9qQ> 
><https://send.firefox.com/download/68dbfd56e60e2b2c/#iSkNt75QW2_8tIZeDCD9qQ>
>
>(link will expire in seven days).
>
>To avoid the white artifact (see file kolkhoehle_artifact.pdf) it is 
>necessary not to hide the survey stations! As soon as you use either 
>the attribute -visibility off or use symbol-hide point station in your 
>layout you will have a white trapezoid on the final pdf map. Only 
>hiding the survey line is possible. As long as the stations are visible 
>the resulting map is fine (see kolkhoehle_ok.pdf). Btw. symbol-hide 
>group cave-centerline causes an error.
>
>Regards,
>
>Roger
>
>Am 13.04.2020 um 11:20 schrieb Roger Schuster:
>
>>Hello cavers,
>>
>>
>>
>>currently I try to work with some legacy survey which are the original 
>>survey data and the final map with scale bar but without marked 
>>stations. My intention is to geo-reference the existing map (i.e. 
>>attaching the entrance location to the UTM grid) and use it in a cave 
>>atlas of the area. I don't want to redraw the whole map in Therion.
>>
>>
>>
>>I followed the directions given in the therion wiki and entered the 
>>survey data and the resulting model in Loch looks fine and plausible. 
>>After that I created a scrap with the scanned map (projection plan) 
>>and scaled it using the scale bar and the scaling tool of Xtherion map 
>>editor. I marked the location of the first survey station at the cave 
>>entrance and in the layout section of my thconfig I turned on sketch 
>>export. Unfortunately it doesn't work. The generated pdf only contains 
>>the map header (with wrong length and depth statistics btw!) and a 
>>short part of the first survey shot. I expect the whole scanned 
>>background image to be visible and in scale in the pdf. Honestly said 
>>I never got the "sketches on" working with any of my old and new maps. 
>>What I am doing wrong? Any pointer to the right direction is highly 
>>appreciated.
>>
>>
>>
>>Best regards and thanks in advance,
>>
>>
>>
>>Roger
>>
>>
>>
>>
>>_______________________________________________
>>Therion mailing list
>>Therion at speleo.sk
>>https://mailman.speleo.sk/listinfo/therion
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