[Therion] Need help producing scraps.kml without white blobs

[Martin Sluka]

Yellow tick indicate “the air”. 

M. 

Odesláno z iPhonu

19. 4. 2021 v 21:52, Bruce Mutton <bruce at tomo.co.nz>:

> Hi Michael
> Unless Stacho's magic fixes your problem, I would expect that it is most
> likely that the yellow tick marks do not point inside of the passages in all
> cases, or -outline in/out is not set correctly.  Your example image is
> exactly the sort of thing that first time kml users produce.  It is very
> common.
> There should not be any problem with many short wall lines, except that with
> many, there is more opportunity to get a yellow tick or -outline wrong.
> 
> A couple of months ago I encountered a case where ends of two adjacent
> scraps were one above the other, and one of them was well rendered, and the
> other as in your example.  Turned out that both scraps were drawn correctly
> and simply moving one of the end lines a bit fixed the problem.  Have never
> encountered that before as far as I know, and I would expect that this is
> unlikely to be your problem.
> 
> Have a look at
> https://therion.speleo.sk/wiki/tips#avoiding_invisible_or_misshapen_scraps_i
> n_loch_and_google_earth It is a bit outdated now, as I think the behaviours
> are different now, but it gives you an idea of what to look out for.
> 
> When troubleshooting this sort of thing, also produce pdf outputs with a
> passage foreground colour.  This can point to problems with gaps between
> scraps and incorrect yellow ticks (interior of passage), but will not
> identify -outline errors (because the pdf generator seems to reliably know
> better than the user!)
> 
> Bruce
> 
> 
> -----Original Message-----
> From: Therion <therion-bounces at speleo.sk> On Behalf Of Michael Ross
> Sent: Tuesday, 20 April 2021 02:20
> To: therion at speleo.sk
> Subject: [Therion] Need help producing scraps.kml without white blobs
> 
> Hello there,
> 
> I "own" a fairly large dataset of a maze cave.
> Producing PDF output works well,
> but when producing kml using
> 
>  export map -projection plan      -output Scraps.kml
> 
> I get large white blobs where there should be transparency. See attachment.
> 
> First assumption was that Therion needs some help by marking certain walls
> "outline in".
> But that didn't help.
> 
> Then I tried redrawing the walls of the affected passages to get long lines
> of walls rather than concatenated short sections of walls, assuming that
> would help Therion to better understand.
> Didn't help.
> 
> Anyone had this problem so far?
> 
> If there is a way to post-process the kml file to remove the white areas,
> that would also help.
> 
> Or any other hint to systematically track this down.
> 
> Kind Regards,
> Michael
> 
> 
> 
> _______________________________________________
> Therion mailing list
> Therion at speleo.sk
> https://mailman.speleo.sk/listinfo/therion