Hi Stacho, I would also be thankful for steps! I was looking for a symbol for an emergency supplies dump, but couldn't find one in thbook. Perhaps the international green-cross or similar would do it? Regards, - Ben
> -----Original Message----- > From: therion-bounces at speleo.sk > [mailto:therion-bounces at speleo.sk] On Behalf Of Andrew Atkinson > Sent: 11 November 2011 20:55 > To: List for Therion users > Subject: Re: [Therion] New symbols > > I have already done a hand rail in plan, due to being > involved in surveying a show cave, been meaning to put it on > the kiwi for a while now. This is one of my first attempts at > symbol definition, (cannot remember what I adapted it from), > probably very poor, but in case it can help. > > Steps would be wonderful, I have spent far too long trying to > use a border to draw steps. > > The other one that vaguely crossed my mind was a point symbol > for light, but I put it to the back of the list after very little time > > thanks > > Andrew > > def l_u_rail (expr P) = > T:=identity; > cas := 0; > dlzka := arclength P; > mojkrok:=adjust_step(dlzka, 0.8u); > pickup PenC; > forever: > t0 := arctime (cas) of P; > t1 := arctime (cas + mojkrok*2/5) of P; > t := arctime (cas + mojkrok/2) of P; > t4 := arctime (cas + mojkrok*3/5) of P; > t5 := arctime (cas + mojkrok) of P; > thdraw (subpath (t0,t1) of P); > thdraw (subpath (t4,t5) of P); > drawdot > (point t of P); > #mark_ (P,t,0.02u); > #mark_ (P,t,-0.02u); > #f := (P,t,0.2u); > #draw f; > cas := cas + mojkrok; > exitif cas > dlzka - (2*mojkrok/3); % for rounding errors > endfor; > enddef; > > > initsymbol("l_u_rail") > #text en line u:rail "Railing" > > On 11/11/11 19:48, Stacho Mudrak wrote: > > Hello everybody, > > > > after drawing a complex map of one show cave, I would like > to add new > > standard symbols to therion. These should include: > > > > line edge - should be used to draw other then rock edges, e.g. wall > > structures in elevation. There is already rock-border -- rock-edge > > pair, there is general border symbol but no general edge symbol. > > > > line rope - already discussed here, just line point option anchor > > on|off should work also > > > > line handrail - this symbol already exists in some cave > symbol sets. A > > line with dots in plan, in elevation some standard 1m tall handrail > > would be drawn. > > > > point handrail - used to draw handrail in cross-sections > > > > line steps - should be used in both, plan / elevation > projections. In > > plan, this line would surround steps area and steps would be drawn > > parallel to the first line segment. In elevation, 20cm > steps would be drawn. > > > > line path - used to draw concrete or other path in caves, > where it was > > built. If it will be closed curve, it will be filled with > "area path". > > See below. > > > > area path - fill for path areas. It would be automatically > applied for > > closed line steps/path in plan projection. > > > > Also should be added: > > line rope-ladder > > line fixed-ladder > > line via-ferrata > > point via-ferrata > > > > Do these symbols make sense? Any comments? Any other symbols, that > > should exist in the standard therion library? > > > > Thanks a lot for the feedback, S. > > > > > > > > > > _______________________________________________ > > Therion mailing list > > Therion at speleo.sk > > http://mailman.speleo.sk/mailman/listinfo/therion > _______________________________________________ > Therion mailing list > Therion at speleo.sk > http://mailman.speleo.sk/mailman/listinfo/therion
