<div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">Dear Gmsh User,</div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">
 </div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">I have been trying to use readOCCIGES and readOCCSTEP for my own program.</div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">
<br></div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">I could build my program using readOCCIGES and readOCCSTEP in api_demo level.</div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">
<br></div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">I could excute the program(mainsimple.exe) replacing m->readGEO("test5.geo"); by m->readOCCIGES(hammer.iges);</div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">
in mainsimple.cpp.</div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif"><br></div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">I asummed that reading is OK, but the meshing (m->mesh(3);)</div>
<div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">is not excuted.</div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">No meshing is generated.</div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">
<br></div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">But, when I tried to read hammer.iges in GMSH graphic window version,</div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">
IGES reading("hammer.iges") is ok and I tried to excute 3D meshing ,3D tetra meshing is easily generated  rapidly.</div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif"><br></div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">
What is the differences between regular GMSH(Window version) and Api Demo level ?</div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif"><br></div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">
Regards,</div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif"><br></div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif"><br></div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">
<br></div>
<div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif"> </div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">
 </div><div style="color:rgb(34,34,34);font-size:14px;font-family:arial,sans-serif">regards,</div>