|
Revision 495
(checked in by cbc, 11 years ago)
|
Initial import of Stark code.
|
| Line | |
|---|
| 1 |
function C=contourtri(P,Z,N,V,fill); |
|---|
| 2 |
% CONTOURTRI Contours a triangular mesh |
|---|
| 3 |
% This is an extension of contourc. CONTOURTRI calculates the |
|---|
| 4 |
% contour matrix C for use by EXTCONTOUR to draw the actual |
|---|
| 5 |
% contour plot. |
|---|
| 6 |
% |
|---|
| 7 |
% C=CONTOURTRI(P,Z,N,V) contours the surface given by |
|---|
| 8 |
% P=[X Y],Z given the node indices in an 3xn matrix N. |
|---|
| 9 |
% Contours are drawn at the (optional) V levels. |
|---|
| 10 |
% |
|---|
| 11 |
% C=CONTOURTRI(...,'fill') returns closed contours by including |
|---|
| 12 |
% lines along edges. |
|---|
| 13 |
|
|---|
| 14 |
% Author: R. Pawlowicz (IOS) rich@ios.bc.ca |
|---|
| 15 |
% 16/Mar/95 |
|---|
| 16 |
|
|---|
| 17 |
if (nargin==3), V=[]; end; |
|---|
| 18 |
if (nargin==4 & isstr(V) ), fill=1; V=[]; else fill=0; end; |
|---|
| 19 |
if (nargin==5), fill=1; end; |
|---|
| 20 |
|
|---|
| 21 |
V=getlevels(Z,V); |
|---|
| 22 |
|
|---|
| 23 |
C=contourctri(P,Z,N',V,fill); |
|---|
| 24 |
|
|---|
| 25 |
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 |
|
|---|
| 29 |
|
|---|
| 30 |
|
|---|
