<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div><span></span></div><div id="yui_3_16_0_1_1422455489741_3238" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"><div id="yui_3_16_0_1_1422455489741_3237" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"><div id="yui_3_16_0_1_1422455489741_3236" dir="ltr"> <br></div><div class="y_msg_container" id="yui_3_16_0_1_1422455489741_3256"><div id="yiv6105297171"><div id="yui_3_16_0_1_1422455489741_3258"><div id="yui_3_16_0_1_1422455489741_3257" style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);"><div id="yiv6105297171yui_3_16_0_1_1422454443364_2557" dir="ltr"> Gmsh version 2.8.5</div><div id="yiv6105297171yui_3_16_0_1_1422454443364_2670" dir="ltr"><br></div><div id="yiv6105297171yui_3_16_0_1_1422454443364_2658" dir="ltr">Hi, I load a step file generated in solidworks saved in AP203 or AP214 format and load in into GMSH using a .geo file with the following lines</div><div id="yiv6105297171yui_3_16_0_1_1422454443364_2600" dir="ltr"><br></div><div id="yiv6105297171yui_3_16_0_1_1422454443364_2579" dir="ltr">// in gmsh options-geometry make sure the "cut and merge faces" is checked <br>// to remove duplicate entities on import of STEP file</div><div id="yiv6105297171yui_3_16_0_1_1422454443364_2590" dir="ltr">Merge "file.STEP";<br>Geometry.AutoCoherence = 1;<br>Coherence;</div><div id="yiv6105297171yui_3_16_0_1_1422454443364_2611" dir="ltr"><br></div><div id="yiv6105297171yui_3_16_0_1_1422454443364_2612" dir="ltr">in the options:geometry I get the model to display the surface labels with their elementary tags number, if I hit reload the tag numbers change this make defining physical surfaces impossible since the surfaces shown in the surface physical groups keep changing;-(</div><div id="yiv6105297171yui_3_16_0_1_1422454443364_2657" dir="ltr">I have not had this behaviour before and at this moment it is a show stopper, is there a way of preventing this behaviour?</div><div id="yiv6105297171yui_3_16_0_1_1422454443364_2703" dir="ltr"><br></div><div id="yiv6105297171yui_3_16_0_1_1422454443364_2704" dir="ltr">Thanks in advance</div><div id="yiv6105297171yui_3_16_0_1_1422454443364_2705" dir="ltr">Mark</div></div></div></div><br><br></div> </div> </div> </div></body></html>