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SkipEmptySurface

If the input Surface has at least one point defined, then it is copied to the output; otherwise Nil is returned.

Applications: Secures against domain errors caused by empty surfaces, e.g. just before the FitPlaneToSurface filter is to be invoked.

Syntax

void fil::SkipEmptySurface
(
	const fil::Surface& inSurface,
	ftl::Conditional<fil::Surface>& outNotEmptySurface,
	bool& outIsNotEmpty
)

Parameters

	Name	Type	Default	Description
	inSurface	const Surface&		Input surface
	outNotEmptySurface	Conditional<Surface>&		A copy of the input surface, if it is not empty, or Nil otherwise
	outIsNotEmpty	bool&		Indication if the input surface is not empty