Why you have "survey line" in your scraps? You need only points (station type) for orientation/scaling. I think there should be another problem in your data files then what you described.
L. On Fri, 25 Feb 2011 14:39:38 +0000, Footleg <drfootleg at gmail.com> wrote: > Right, some more investigation has proved that this is not because of > the wall lines exactly, but is due to the fact that I have a survey > point outside the area enclosed by the walls. See the attached > screenshot. By adding the small line shown in red the problem goes > away. I think the problem arises if you draw imaginary lines between > the two pairs of points forming the ends of the two walls, and there > is a survey point outside the area defined by the walls and imaginary > enclosing lines then you get the 'scrap outline intersects itself' > error and the lox model walls get all messed up. > > Correction! I just tried deleting the survey point and survey line, > and it messes up still unless I have that extra bit of wall line > shown > in red. So it appears that you have to end your two wall lines > roughly > on a line perpendicular to the passage. If one is shorter than the > other then the lox model messes up. I confirmed this by removing my > extra bit of wall line from the scrap, and then splitting the other > wall line a couple of nodes up and deleting the end bit off that > wall. > This renders fine too. > > Footleg > > On 25 February 2011 13:32, Footleg wrote: > Following the discussions yesterday I have tried adding more survey > points to my scrap but this did not make any difference. I did notice > that the log warned me that my scrap outline intersects itself, > followed by some numbers. But visually in the editor I cannot see any > place where the lines are messed up. So what to the numbers after the > warning mean? My wall lines were imported from Inkscape. > > The warnings: > [Warning: scrap outline intersects itself in scrap layer4 at Riano] > [Warning: scrap outline intersects itself in scrap layer4 at Riano] [8] > [9] [10] > (./mptextmp.mp [2]) [11] ) > > Footleg > > > > Links: > ------ > [1] mailto:drfootleg at gmail.com > [2] http://mptextmp.mp
