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Fit Sphere
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Fit Sphere
Ribbon: 3DScan – Features > 
Fit Sphere
Menu: 3DScan – Features > 
Fit Sphere
Toolbar: Features 3DScan > Fit Sphere
Command line: PC_FIT_SPHERE
The command creates a sphere (solid), fit into the cloud/section displayed in the current viewport.
The command analyzes a visible part of the cloud in the current viewport, therefore, before starting the command, use the crop and section commands to leave the part of cloud the sphere should be fit into.
Command prompts:
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Apply changes? <Yes> or [Yes/No/Save/saveDefault] <Yes>: |
Yes – the command will be performed taking into account changes in the settings made by the user in the current session of the command work. No – the command will be performed with the settings displayed immediately after running the command. Save – saving settings to a document. saveDefault – saving settings to the registry. |
The command options are set on the Properties bar.
Options:
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Number of iterations |
The number of iterations for defining the sphere size and location. The larger the value, the longer the calculation, but also the greater the probability of finding the correct size and location of the sphere. The parameter value should be more than 0. |
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Threshold distance |
The maximum value of deviation in location of the cloud points from the ideal one. I.e. spread of coordinates that can be neglected to assume that points belong to one line, surface, edge, etc. The threshold distance should be the greater, the less accurately the scan is performed, and the worse the object’s surfaces and edges are expressed. At the same time, with an excessive increase of the threshold distance the probability of an inaccurate location of the sphere increases. |
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Draw crosshair |
Specify whether to create the sphere’s centerlines in form of three lines in this and subsequent sessions of the command work. |
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Draw the solid |
Specify whether to create a sphere in this or the subsequent sessions of the command work. |