2011

Max Facet Deviation This setting controls the greatest distance between the edge of a facet and the actual
geometry.
If this distance is greater than the Max Facet Deviation value, Autodesk Navisworks adds more facets.
If the Max Facet Deviation is set to 0, then this function is ignored.
Override Normals Normals control how objects appears when lit. By default, this check box is clear, and the
file reader uses the data provided in the VRML file, giving the most accurate visible results.
Select this check box if you want Autodesk Navisworks to ignore the normals, and generate the lighting data
instead, for example when the supplied model contains invalid lighting data.
NOTE Using this option is less accurate than using real lighting data in VRML files.
Override Orientation By default, this check box is clear, and the file reader processes the geometry information
in order indicated in VRML files, which can be clockwise or counter-clockwise.
When this check box is selected, the file reader ignores the order in VRML files, and processes the geometry
information counter-clockwise. This option is useful, if your model, when viewed in Autodesk Navisworks, has
holes or black areas in it.
Override Switch Statements By default, this check box is clear. This means, the file reader uses the default
behavior of the switch statements in VRML files.
For switch statements that are used in VRML scripting, related geometry is only converted if the corresponding
switch is turned on. As a result, you can get a mostly empty model in Autodesk Navisworks.
When this check box is selected, the file reader processes all switch statements, and brings through extra geometry.
NOTE Overriding Switch Statements can result, for example, in creating duplicate geometry if the switch statement
contains several ways to represent the same object.
See also:
■ “VRML File Reader” on page 130
Z+F Page
Use this page to adjust the options for the Z+F Scan file reader.
Sample Rate Specifies the frequency of points extracted from the input file.
Increasing the sample rate, reduces the number of points extracted. As a result, the image resolution is reduced,
and the file is converted faster.
Remove Spurious Points Select this check box to ignore spurious points in the input file.
When this check box is clear, the file reader extracts spurious points.
Point Intensity Specifies how points are extracted from the input file.
Select from the following options:
■ None - the points come through as white.
■ Raw Intensity - the points use the intensity values stored in the file.
■ Color-Mapped Intensity - the points use a spectrum of RGB colors.
■ Gamma Corrected Intensity - the points use gamma-corrected raw intensity values stored in the file.
Gamma Correction Level Specifies a gamma correction value used to adjust the normalized point intensity
values obtained from the file, and results in lighter or darker images depending on the setting.
A gamma correction value in the range between 0.1 and 0.99 adjusts the weighting of intensity values at the
lower end of the intensity range, so that the image appears lighter.
A gamma correction level above 1.0 has the effect of darkening the image.
NOTE A gamma correction of 1 means no changes.
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