API Reference > OdGe Classes > OdGeMatrix3d Class > OdGeMatrix3d Methods > OdGeMatrix3d::isPerspective Method
OdGeMatrix3d::isPerspective Method
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Parameters |
Description |
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const OdGeTol& tol = OdGeContext::gTol |
[in] Geomentric tolerance. |
true if the matrix can be used for perspective projections; false otherwise.
Indicates whether the matrix can be used for perspective projections.
Returns true if [3][0] or [3][1] or [3][2] elements have non-zero values considering passed tolerance.
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