HI Bill, Something along the lines of map ProblemchamberMP GrandcanyonSP FlatroomSP endmap select Problemchamber export map -proj plan -o Problemchamber.th2 Instead of exporting to pdf, this will then export this to a .th2 file, where I guess it will appear with all the lines you have joined, instead of you having to join them with line joins/scrap joins or amending line end positions to force therion to automatically recognise them. This will allow you to work on the whole chamber as one in a single .th2 file. Of course then (more or less) in your master file you will have survey StarkCaverns input problemchamber.th2 input otherpartsofcave.th2 map StarkcavernsMP PromblemchamberMP OtherpartsofcaveMP endmap centreline equate ... endcentreline endsurvey This should hopefully reduce the overlap you are seeing in your current workaround, and it's probably still possible to implement this and delete the invisible walls from the centre of your chamber. [cid:b0947cc4-0cfc-45f3-8d84-09fe9b29f7b8] Regards, Al ________________________________ From: Bill Gee <bgee@campercaver.net> Sent: 03 August 2023 15:37 To: alastair gott <alastairgott@hotmail.com> Subject: Re: [Therion] Big room multiple scraps - How to join Hi Alistair - I am not sure I understand what you are suggesting. It sounds like the idea is to use something like GIMP to collect all of the sketches for the room into one JPG file, then use that file as the background for Therion. True? I considered that idea. There are two problems. First, I know almost nothing about GIMP. It would be a steep learning curve. Second, the sketches are not all the same scale. Some of them would have to be shrunk. Again a GIMP task, and beyond my knowledge of how GIMP works. =============== Bill Gee On 8/2/23 12:16, alastair gott wrote:
Hi bill,
Could you set up a map for just that chamber which will then join all the sketches and export the .th2 for it. When you then subsequently export that .th2 to pdf, you do not need the joins and therefore do not lose any of the detail.
Regards, Alastair Gott.
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Take a look at the east part of the map in an area called Grand Canyon. This is really one large room, though we did not realize that when we started sketching several years ago. Now I have at least three different pieces of sketch to try and fit together.
As you can see, there is a large triangle in the center which Therion thinks is not cave. There are also some part which are outside the cave, but are considered by Therion to be inside.
All of the joins in here are using line-to-line. I named the lines, then created "join" statements specifying the two lines and which points on those lines to join. Therion is happy with that, and the wall that it draws is a fair depiction of the area. The problem is that much of the interior is getting lost.
I have not tried to use plain joins of the scraps - joins which do not specify the lines. I suspect that would not change much.
I have already drawn some of this area three times. It is extraordinarily complicated due to multiple levels, especially along the east side. We thought for a long time that the east side was separate passages, but it is really just a complicated pile of big breakdown blocks.
I really REALLY do not want to go back and make one huge sketch of the entire room. That would take several days.
What can I do to convince Therion where the cave really is? Can I put in some invisible walls (subtype hidden)?
Thanks!
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