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  • Frans Basson

Trajec3D Version available for download

Updated: Dec 15, 2019

0New functionality

  • Add a fall body counter to the histogram chart.


  • Different look to the interface and scene background colour.

  • Less actions are recorded in the bottom text box.

  • The expiry date before a new update has to be uploaded from my website is now 1 July 2018.

Discussion: Use GEM4D to create a surface mesh from a strings file

Trajec3D can only read triangulation/mesh/solid files, but GEM4D can read a far greater range of files. If a pit shell is provided as a string file, Trajec3D will generate an error message: "File not loaded. Action cancelled or no triangulations were found in the DXF-file, the start-up mesh will be loaded".

The best option is always to request the original triangulation files but if that is not available, a acceptable mesh can normally be generated in GEM4D from the lines or contours by using the steps below:

  1. Load the strings DXF-file with "Ribbon => Mesh => Load DXF".

  2. Check the "Ribbon => Mesh => Mesh settings => Line vertices" box to see how many line vertices are available.

  3. Increase the number of vertices with "Top toolbar => Blue toolbox icon => Split lines into fixed lengths", as the surface fitting only uses the available points and too few points will result in an unsatisfactory mesh.

  4. Create an estimated mesh surface with "Top toolbar => Yellow toolbox icon => Create a surface (Delaunay2D)", and read each question carefully before answering.

  5. For this particular application, always select "No" for the "Surface draping options" pop-up form, as the triangulation surface should be draped directly from above.

Use GEM4D to create a surface mesh from a lines file

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