Mercurial > repos > public > sbplib

diff +parametrization/Curve.m @ 1126:465fc81e12e8 feature/poroelastic

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Copy-paste improved Curve class from feature/laplace_curvilinear_test
author Martin Almquist <malmquist@stanford.edu>
date Mon, 13 May 2019 10:18:55 -0700
parents 0776fa4754ff
children 60c875c18de3
line wrap: on
line diff
--- a/+parametrization/Curve.m	Sat May 11 19:19:09 2019 -0700
+++ b/+parametrization/Curve.m	Mon May 13 10:18:55 2019 -0700
@@ -103,7 +103,10 @@
             % Construct arcLength function using splines
             tvec = linspace(0,1,N);
             arcVec = obj.arcLength(0,tvec);
-            tFunc = spline(arcVec,tvec); % t as a function of arcLength
+
+            % t as a function of arcLength. Monotonicity-preserving cubic splines.
+            tFunc = @(arcLen) pchip(arcVec,tvec,arcLen);
+
             L = obj.arcLength(0,1);
             arcPar = @(s) tFunc(s*L);
 
@@ -349,8 +352,6 @@
     end
 end
 
-
-
 function g_norm = normalize(g0)
     g1 = g0(1,:);
     g2 = g0(2,:);