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26 results

mainAntTweakBar.cpp

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  • Forked from gmsh / gmsh
    Source project has a limited visibility.
    InfiniteBox.geo 5.85 KiB
    SetFactory("OpenCASCADE");
    
    Function Cuboid
    l12 = newl; Line(l12) = {pnt[0], pnt[1]};
    l23 = newl; Line(l23) = {pnt[1], pnt[2]};
    l34 = newl; Line(l34) = {pnt[2], pnt[3]};
    l41 = newl; Line(l41) = {pnt[3], pnt[0]};
    l56 = newl; Line(l56) = {pnt[4], pnt[5]};
    l67 = newl; Line(l67) = {pnt[5], pnt[6]};
    l78 = newl; Line(l78) = {pnt[6], pnt[7]};
    l85 = newl; Line(l85) = {pnt[7], pnt[4]};
    l15 = newl; Line(l15) = {pnt[0], pnt[4]};
    l26 = newl; Line(l26) = {pnt[1], pnt[5]};
    l37 = newl; Line(l37) = {pnt[2], pnt[6]};
    l48 = newl; Line(l48) = {pnt[3], pnt[7]};
    
    ll1 = newll; Line Loop(ll1) = { l12, l23, l34, l41 };
    ll2 = newll; Line Loop(ll2) = { l56, l67, l78, l85 };
    ll3 = newll; Line Loop(ll3) = { l12, l26, -l56, -l15 };
    ll4 = newll; Line Loop(ll4) = { l23, l37, -l67, -l26 };
    ll5 = newll; Line Loop(ll5) = { l34, l48, -l78, -l37 };
    ll6 = newll; Line Loop(ll6) = { l41, l15, -l85, -l48 };
    
    s1 = news; Plane Surface(s1) = { ll1 } ;
    s2 = news; Plane Surface(s2) = { ll2 } ;
    s3 = news; Plane Surface(s3) = { ll3 } ;
    s4 = news; Plane Surface(s4) = { ll4 } ;
    s5 = news; Plane Surface(s5) = { ll5 } ;
    s6 = news; Plane Surface(s6) = { ll6 } ;
    
    sl = newsl; Surface Loop(sl) = { s1, s2, s3, s4, s5, s6 };
    v = newv; Volume(v) = { sl };
    Printf("Cuboid v=%g", v);
    
    If( Flag_TransfInf )
      //Mesh.Algorithm3D = 4;
      // (4=Frontal, 5=Frontal Delaunay, 6=Frontal Hex, 7=MMG3D, 9=R-tree)
      For num In { l12:l85 }
        Transfinite Line{ num } = 10;
      EndFor
      For num In { l15:l48 }
        Transfinite Line{ num } = 5;
      EndFor
      For num In { s1:s6 }
        Transfinite Surface{ num } ;
      EndFor
      Transfinite Volume{ v } ;
    EndIf
    Return
    
    
    DefineConstant[
      Flag_InfiniteBox = {1, Choices{0,1}, Name "Infinite box/Add infinite box"}
      Flag_TransfInf = {0, Choices{0,1}, Name "Infinite box/Transfinite mesh", Visible 0}
      ratioInf = {2, Name "Infinite box/Ratio ext-int", Visible Flag_InfiniteBox}
      ratioBox = {1.25, Name "Infinite box/Ratio int-content", Visible Flag_InfiniteBox}
      ratioLc = {10, Name "Infinite box/Ratio int-Lc", Visible Flag_InfiniteBox}
    
      xInt = {1, Name "Infinite box/xInt", Visible 0}
      yInt = {1, Name "Infinite box/yInt", Visible 0}
      zInt = {1, Name "Infinite box/zInt", Visible 0}
      xExt = {xInt*ratioInf, Name "Infinite box/xExt", Visible 0}
      yExt = {yInt*ratioInf, Name "Infinite box/yExt", Visible 0}
      zExt = {zInt*ratioInf, Name "Infinite box/zExt", Visible 0}
      xCnt = {0, Name "Infinite box/xCenter", Visible 0}
      yCnt = {0, Name "Infinite box/yCenter", Visible 0}
      zCnt = {0, Name "Infinite box/zCenter", Visible 0}
    ];
    
    // Compute parameters related to the Infinite box