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@speleo.sk [mailto:therion-bounces@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@speleo.sk http://mailman.speleo.sk/mailman/listinfo/therion
Therion mailing list Therion@speleo.sk http://mailman.speleo.sk/mailman/listinfo/therion