GMS:TIN Settings
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The settings for the TIN module can be found in the Preferences dialog under the TINs item. The Preferences menu can be reached by using the Preferences... command in the Edit menu and then selecting the TINs item; or it can be reached by using the TIN Settings... command in the TINs menu. The following settings are available:
- Retriangulate After Deleting – If this option is on, the region surrounding the vertex is retriangulated as each vertex is deleted. Otherwise, the triangles adjacent to the vertex are simply deleted.
- Default Z-Value – The default z value is assigned to all new vertices created with the Create Vertex tool.
- Confirm Z-Values – If this option is on, GMS prompts for a z value each time a new vertex is created.
- Interpolate For Default Z On Interior – If this option is on and a new vertex is created in the interior of a TIN, a default z-value is linearly interpolated from the plane equation defined by the triangle containing the point.
- Extrapolate For Default Z On Exterior – If this option is on and a new vertex is entered outside the TIN boundary, a default z-value is extrapolated from the TIN to the new vertex.
- Breakline options – The options below define how GMS will add a breakline when the TINs | Advanced | Add Breakline(s) command is used.
- Add supplementary points – Adds vertices to lines through which breakline passes to create a TIN that will take the breakline into account. Lines will be adjusted to prioritize breaklines.
- Swap edges – Swaps edges to take breaklines into account instead of adding new points. This usually eliminates any lines through which the breakline passes.
- Minimum length ratio – The ratio that GMS will use to determine which triangles to select with the Select Boundary Triangles command.
| GMS – Groundwater Modeling System | ||
|---|---|---|
| Modules: | 2D Grid • 2D Mesh • 2D Scatter Point • 3D Grid • 3D Mesh • 3D Scatter Point • Boreholes • GIS • Map • Solid • TINs • UGrids |  |
| Models: | FEFLOW • FEMWATER • HydroGeoSphere • MODAEM • MODFLOW • MODPATH • mod-PATH3DU • MT3DMS • MT3D-USGS • PEST • PHT3D • RT3D • SEAM3D • SEAWAT • SEEP2D • T-PROGS • ZONEBUDGET | |
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