Add New Points to the Mesh

To add points to an existing Mesh, draw a line or polygon onto the existing Mesh using either the Mesh tool or the Line/Polyline tools. The workflow is a little different for each:

Use Mesh Tool

1.Select the Mesh.

2.Activate the Mesh tool.

3.Draw a closed polygon or a straight segment within the Mesh polygon.

(If you draw outside of the contour of the first polygon, only points within the contour will constitute the Mesh.)

The New Mesh Points dialog box opens.

Continue by choosing an option for the new points (see below).

Use Line or Polyline Tool

1.Activate the Line or Polyline Tool.

2.Draw a line or polygon to create a set of points on the existing Mesh.

3.Select the Mesh.

4.Activate the Mesh tool.

5.With the Magic Wand method (Spacebar + click), click on the newly drawn line/polyline.

The New Mesh Points dialog box opens.

Continue by choosing an option for the new points (see below).

New Mesh Points Options

https://helpcenter.graphisoft.com/wp-content/uploads/archicad-25/040_elementsvb/NewMeshPoints.png 

1.Choose the Add New Points radio button. (If you drew a two-point line rather than a polygon, this is the default and only choice.)

2.Choose an option from the drop-down menu to define the relationship between the newly created points and existing ones.

If you choose No Surface Fitting, the new points will be added with the height value currently set in the Mesh Settings dialog box. Intersected user-defined ridges will keep their height.

If you choose Fit to User Ridges, the new points will be placed on the current surface of the Mesh, and only user-defined ridges will keep their height. (The internal triangulation of the current Mesh will be altered.)

If you choose Fit to All Ridges, the new points will be placed on the current surface of the Mesh, and all ridges will keep their height. (The internal triangulation of the current Mesh will be unaffected.) This method is the most precise one, but it may generate a rather large number of ridges.

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