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Diffstat (limited to 'Master/texmf-dist/doc/metapost/featpost/example/rotatnlc.mp')
-rw-r--r-- | Master/texmf-dist/doc/metapost/featpost/example/rotatnlc.mp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/metapost/featpost/example/rotatnlc.mp b/Master/texmf-dist/doc/metapost/featpost/example/rotatnlc.mp new file mode 100644 index 00000000000..42f47a543fb --- /dev/null +++ b/Master/texmf-dist/doc/metapost/featpost/example/rotatnlc.mp @@ -0,0 +1,49 @@ +% rotatnlc.mp +% L. Nobre G. +% 2003 + +input featpost3Dplus2D; + +beginfig(1); + + f := 2*(2,1,0.55); + + Spread := 450; + + color gridvec, sizevec, currpos, starpos, bordpos; + numeric i, j, k, counter, theta, phi, thetamin; + numeric thetamax, thetastp, long, radius, polar; + sizevec := (7,42,1); % (number of circles, + % number of vectors in outer circle, + % number of levels ) + gridvec := (0.08,0.23,0.3); + thetamin := 90; + thetamax := 150; + long := 0.08; + thetastp := (thetamax-thetamin)/(X(sizevec)-1); + starpos := ( -X(gridvec)*X(sizevec) , + -X(gridvec)*X(sizevec) , + 0 ); + bordpos := starpos; + counter := 1; + for i=1 upto X(sizevec): + radius := (i-1)*X(gridvec); + polar := i*floor(Y(sizevec)/X(sizevec)); + for j=1 upto polar: + for k=1 upto Z(sizevec): + phi := 360*(j-1)/polar; + theta := thetamin+(i-1)*thetastp; + currpos := radius*(cosd(phi-90),sind(phi-90),0) + +(k-1)*(0,0,Z(gridvec)); + generatedirline( counter, phi, theta, long, currpos ); + counter := incr(counter); + endfor; + endfor; + endfor; + NL := decr(counter); + director_invisible( true, Y(gridvec), false ); +endfig; + +end; + + |