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Revision 495
(checked in by cbc, 12 years ago)
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Initial import of Stark code.
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function C=contourtri(P,Z,N,V,fill); |
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% CONTOURTRI Contours a triangular mesh |
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% This is an extension of contourc. CONTOURTRI calculates the |
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% contour matrix C for use by EXTCONTOUR to draw the actual |
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% contour plot. |
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% |
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% C=CONTOURTRI(P,Z,N,V) contours the surface given by |
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% P=[X Y],Z given the node indices in an 3xn matrix N. |
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% Contours are drawn at the (optional) V levels. |
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% |
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% C=CONTOURTRI(...,'fill') returns closed contours by including |
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% lines along edges. |
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% Author: R. Pawlowicz (IOS) rich@ios.bc.ca |
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% 16/Mar/95 |
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if (nargin==3), V=[]; end; |
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if (nargin==4 & isstr(V) ), fill=1; V=[]; else fill=0; end; |
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if (nargin==5), fill=1; end; |
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V=getlevels(Z,V); |
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C=contourctri(P,Z,N',V,fill); |
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