Hi Stacho & Jonny

Yes, I had this behaviour a few month ago on windows 10, but I did not found yet the time to characterize the problem with a minimal example to ask for help.
I will try to see if I can reproduce it with a small example as soon as I find time. I remember that this was also happening with previous versions of therion (I tested at least 5 of them), I wonder if this not coming from the graphics library that displays the scraps. 

Xavier

Le 03/02/2021 à 05:58, Stacho Mudrak a écrit :

Hi Jonny,

I have tried with my datasets, but the placing of sketches was in all cases OK. Do others have also such problems?

Could you please provide more details? Which OS are you running? Was it also a problem with some previous versions?

Ideally, are you able to send me some minimal sample where it happens?

Thanks, S.

On Wed, 3 Feb 2021 at 00:41, Jonny Prouty <jonathanprouty@gmail.com> wrote:

Hello all,

I've been having some trouble with warped sketches lately that has me puzzled. All of the sketches are offset from the generated map, but the offset varies from scrap to scrap. Furthermore, the offset is applied before the sketches are morphed, as the sketches are clearly being deformed differently than the walls, even though they should be identical. I should note that I am not applying any specific offsets to any portions of the map, which consist of only a single scrap. Any ideas are much appreciated! th and thconfig files are after the screenshots. Thanks very much in advance!!

Sincerely,

Jonny

Example, Map 1:

Example, Map 2:

Output of therion -v

therion 5.5.6 (2020-12-27)
  - using Proj 6.3.1, compiled against 6.3.1

Sample th file for one of the maps above:

survey hh
  import cave.3d -surveys ignore
  input hh2aug03.th2
  map scrap_hh2aug03v_pl_1 -proj plan
    hh2aug03v_pl_1
  endmap scrap_hh2aug03v_pl_1
endsurvey hh

Sample thconfig file for one of the maps above:

layout sketch
    scale 1 200
    sketches on
endlayout
maps-offset off
source map.th
select hh
export map -proj plan -fmt pdf -layout sketch -o hh2aug03v_pl_1.pdf

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