> On 17 Feb 2018, at 12:18, Sathyanarayan Rao <[email protected]> > wrote: > > Hi Christophe, > > when I run your corrected file, I still get : >
Which version of Gmsh? The corrected file works with the latest automated snapshot. > > Error : Could not create spline > Error : 'Ex3.geo', line 41 : Could not add spline > Error : Unknown OpenCASCADE edge with tag 91 > Error : 'Ex3.geo', line 42 : Could not add line loop > Error : Unknown OpenCASCADE line loop with tag 91 > Error : 'Ex3.geo', line 43 : Could not add plane surface > Error : Could not create spline > Error : 'Ex3.geo', line 56 : Could not add spline > Error : Unknown OpenCASCADE edge with tag 92 > Error : 'Ex3.geo', line 57 : Could not add line loop > Error : Unknown OpenCASCADE line loop with tag 92 > Error : 'Ex3.geo', line 58 : Could not add plane surface > Error : Unknown OpenCASCADE entity of dimension 2 with tag 91 > Error : 'Ex3.geo', line 60 : Could not apply boolean operator > > > Please let me know ? > > Best Regards, > > Sathyanarayan Rao, PhD student > Earth and Life Institute/Environmental Sciences (ELI-e) > Université catholique de Louvain > c.037, Croix du Sud 2, Louvain-la-Neuve, Belgium > Phone: 010473827 ( intercom 73827) > From: Christophe Geuzaine <[email protected]> > Sent: 17 February 2018 11:24:43 > To: Sathyanarayan Rao > Cc: [email protected]; Mathieu Javaux > Subject: Re: [Gmsh] Error: Unknown Open Cascade entity. Could not apply > Boolean operator > > > Your indices are wrong - see corrected file. You should probably treat the > boundaries differently though. > > > >> On 16 Feb 2018, at 20:01, Sathyanarayan Rao <[email protected] >> <mailto:[email protected]>> wrote: >> >> Dear Gmsh team, >> >> I am using a booleanunion to combine two plane surfaces generated by spline >> functions. >> >> If I set factory to open cascade at beginning of code, then I cannot use >> Bspline but if I use >> it after I define all my spline function, the booleanunion doesn't recognize >> the surfaces created before. >> >> Can you please tell me a work around ? How do I combine these surfaces as >> one single surface ? >> >> // mesh size description >> >> cl_1 = 2; >> cl_2 = 1; >> >> // boundary points that forms Rhizotron >> Point(1) = {-5, -10, 0, cl_1}; >> Point(2) = {5, -10, 0, cl_1}; >> Point(3) = {5, 0, 0, cl_1}; >> Point(4) = {-5, 0, 0, cl_1}; >> >> >> // lines that connect boundary >> Line(1) = {1, 2}; >> Line(2) = {3, 2}; >> Line(3) = {4, 3}; >> Line(4) = {1, 4}; >> Line Loop(4) = {1, -2, -3, -4}; >> >> // Mesh Parameters >> Mesh.CharacteristicLengthExtendFromBoundary = 0; >> Mesh.CharacteristicLengthMax = 2; >> >> >> // no. of spline surfaces = 2 >> >> X1 >> ={0,0,-0.184,-0.676,-0.7729,-0.8773,-0.9599,-1.194,-1.315,-1.526,-1.599,-1.679,-1.817,-2.236,-2.705,-2.963,-3.165,-3.365,-3.41,-3.499,-3.567,-3.674,-3.767,-3.864,-4.079,-4.152,-4.176,-4.175,-4.253,-4.349,-4.412,-4.455,-4.512,-4.568,-4.606,-4.641,-4.5433,-4.5083,-4.4747,-4.4217,-4.3628,-4.321,-4.2627,-4.1616,-4.0764,-4.0762,-4.0552,-3.991,-3.7831,-3.6828,-3.5911,-3.4828,-3.404,-3.3124,-3.2721,-3.0845,-2.8959,-2.6369,-2.1671,-1.7449,-1.5997,-1.52,-1.4572,-1.2531,-1.1354,-0.89561,-0.80161,-0.69478,-0.61953,-0.13723,0.088029,0.1,0}; >> Y1 >> ={0,-0.2636,-0.3414,-0.6213,-0.7443,-0.8732,-0.9609,-1.139,-1.218,-1.401,-1.487,-1.598,-1.771,-2.177,-2.615,-2.853,-3.031,-3.398,-3.648,-4.004,-4.126,-4.277,-4.422,-4.574,-4.851,-5.108,-5.228,-5.457,-5.685,-5.848,-5.957,-6.081,-6.195,-6.319,-6.439,-6.654,-6.6753,-6.4603,-6.3549,-6.2379,-6.1197,-5.9984,-5.8985,-5.7257,-5.4736,-5.2346,-5.1329,-4.8985,-4.6328,-4.4759,-4.333,-4.18,-4.0352,-3.6696,-3.4349,-3.0904,-2.9272,-2.6882,-2.2495,-1.8403,-1.6589,-1.5483,-1.4736,-1.2965,-1.22,-1.0375,-0.93855,-0.80673,-0.70383,-0.42979,-0.31104,1.837e-17,0}; >> >> >> // Define spline surfaces >> >> LN = 91; >> nR = #X1[ ]; >> p0 = newp; >> p = p0; >> For i In {0:nR-1} >> Point(newp) = {X1[i], Y1[i], 0, cl_2}; >> EndFor >> p2 = newp-1; >> Spline(91) = {p:p2,p}; >> Line Loop(91) = {91}; >> Plane Surface(91) = {91}; >> >> X2 >> ={0,0.6623,1.159,1.524,1.654,1.793,1.786,1.82,1.918,2.473,2.551,2.74,2.804,2.827,2.925,2.902,2.8353,2.6431,2.5577,2.0007,1.9187,1.8859,1.8922,1.7531,1.6208,1.248,0.74707,0.084771,0}; >> Y2 >> ={-0.2636,-1.322,-2.116,-3,-4.022,-4.975,-5.054,-5.729,-5.859,-6.69,-6.869,-7.322,-7.666,-7.748,-7.728,-7.646,-7.2917,-6.8301,-6.6369,-5.8028,-5.7128,-5.0504,-4.9623,-4.0085,-2.9749,-2.0703,-1.269,-0.21055,-0.2636}; >> >> >> // Define spline surfaces >> >> LN = 92; >> nR = #X2[ ]; >> p0 = newp; >> p = p0; >> For i In {0:nR-1} >> Point(newp) = {X2[i], Y2[i], 0, cl_2}; >> EndFor >> p2 = newp-1; >> Spline(92) = {p:p2,p}; >> Line Loop(92) = {92}; >> Plane Surface(92) = {92}; >> >> SetFactory("OpenCASCADE"); >> aa() = BooleanUnion{ Surface {91}; Delete; }{ Surface {92}; Delete; }; >> Physical Surface(1) = {aa()}; >> >> >> >> Best Regards, >> >> Sathyanarayan Rao, PhD student >> Earth and Life Institute/Environmental Sciences (ELI-e) >> Université catholique de Louvain >> c.037, Croix du Sud 2, Louvain-la-Neuve, Belgium >> Phone: 010473827 ( intercom 73827) >> <bound.txt>_______________________________________________ >> gmsh mailing list >> [email protected] <mailto:[email protected]> >> http://onelab.info/mailman/listinfo/gmsh >> <http://onelab.info/mailman/listinfo/gmsh> > — > Prof. Christophe Geuzaine > University of Liege, Electrical Engineering and Computer Science > http://www.montefiore.ulg.ac.be/~geuzaine > <http://www.montefiore.ulg.ac.be/~geuzaine> > > Free software: http://gmsh.info | http://getdp.info | http://onelab.info — Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine Free software: http://gmsh.info | http://getdp.info | http://onelab.info
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