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authorShashank2017-05-29 12:40:26 +0530
committerShashank2017-05-29 12:40:26 +0530
commit0345245e860375a32c9a437c4a9d9cae807134e9 (patch)
treead51ecbfa7bcd3cc5f09834f1bb8c08feaa526a4 /modules/graphics/macros/nf3d.sci
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+// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+// Copyright (C) INRIA
+// This file must be used under the terms of the CeCILL.
+// This source file is licensed as described in the file COPYING, which
+// you should have received as part of this distribution. The terms
+// are also available at
+// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
+
+function [xx,yy,zz]=nf3d(x,y,z)
+ // 3d coding transformation
+ // from facets coded in three matrices x,y,z to scilab code for facets
+ // accepted by plot3d
+ //---------------------------------------------------------
+ if argn(2)<>3 then
+ error(msprintf(gettext("%s: Wrong number of input argument(s): %d expected.\n"), "nf3d", 3));
+ end
+
+
+ [n1,n2]=size(x)
+ ind=ones(1,n1-1).*.[0 1 n1+1 n1]+ (1:n1-1).*.[1 1 1 1];
+ // ind=[1,2,n1+2,n1+1 , 2,3,n1+3,n1+2, .... ,n1-1,n1,2n1,2n1-1
+ ind2=ones(1,n2-1).*.ind+((0:n2-2)*n1).*.ones(ind);
+ nx=prod(size(ind2))
+ xx=matrix(x(ind2),4,nx/4);
+ yy=matrix(y(ind2),4,nx/4);
+ zz=matrix(z(ind2),4,nx/4);
+endfunction