31 lines
869 B
C
31 lines
869 B
C
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// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef IGL_IS_PLANAR_H
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#define IGL_IS_PLANAR_H
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#include "igl_inline.h"
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#include <Eigen/Dense>
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namespace igl
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{
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// Determine if a set of points lies on the XY plane
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//
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// Inputs:
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// V #V by dim list of vertex positions
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// Return true if a mesh has constant value of 0 in z coordinate
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//
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// Known bugs: Doesn't determine if vertex is flat if it doesn't lie on the
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// XY plane.
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IGL_INLINE bool is_planar(const Eigen::MatrixXd & V);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "is_planar.cpp"
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#endif
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#endif
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