Name: Leica ScanStation P40
Brand: Leica
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10 - 32 Module 5.0 -

Cyclone Basic Modelling

Data Extraction

2.3 Region Grow

Region Grow commands can be used to fit objects to a point cloud without having to first sub-

select or segment the points. All that is required is a pick point on the cloud. However, in the

following example, we will make a general point cloud sub-selection to limit the region grow.

The following example follows a typical process for region growing a patch. We will work again in

the ModelSpace previously created in section 1.2 called East Facade.

Open the ModelSpace named East Facade.

Make a sub-selection encompassing a region as shown in Figure 12.

Figure 12

3) In Multi-Pick mode, pick a point in the centre of the area that represents the wall surface we

wish to model.

4) Click Create Object | Region Grow | Patch…

Create Object | Region Grow | Patch…Create Object | Region Grow | Patch…

Create Object | Region Grow | Patch…

5) The Region Grow Patch dialog will open (Figure 13) and the candidate patch points will draw

white (Figure 14).

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