68 lines
2.3 KiB
C
68 lines
2.3 KiB
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) 2016 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_READBF_H
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#define IGL_READBF_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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#include <string>
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namespace igl
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{
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// Read a bones forest from a file, returns a list of bone roots
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// Input:
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// file_name path to .bf bones tree file
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// Output:
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// WI #B list of unique weight indices
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// P #B list of parent indices into B, -1 for roots
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// O #B by 3 list of tip offset vectors from parent (or position for roots)
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// Returns true on success, false on errors
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template <
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typename DerivedWI,
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typename DerivedP,
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typename DerivedO>
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IGL_INLINE bool readBF(
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const std::string & filename,
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Eigen::PlainObjectBase<DerivedWI> & WI,
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Eigen::PlainObjectBase<DerivedP> & P,
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Eigen::PlainObjectBase<DerivedO> & O);
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// Read bone forest into pure bone-skeleton format, expects only bones (no
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// point handles), and that a root in the .bf <---> no weight attachment.
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//
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// Input:
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// file_name path to .bf bones tree file
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// Output:
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// WI #B list of unique weight indices
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// P #B list of parent indices into B, -1 for roots
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// O #B by 3 list of tip offset vectors from parent (or position for roots)
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// C #C by 3 list of absolute joint locations
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// BE #BE by 3 list of bone indices into C, in order of weight index
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// P #BE list of parent bone indices into BE, -1 means root bone
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// Returns true on success, false on errors
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//
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// See also: readTGF, bone_parents, forward_kinematics
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template <
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typename DerivedWI,
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typename DerivedbfP,
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typename DerivedO,
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typename DerivedC,
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typename DerivedBE,
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typename DerivedP>
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IGL_INLINE bool readBF(
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const std::string & filename,
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Eigen::PlainObjectBase<DerivedWI> & WI,
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Eigen::PlainObjectBase<DerivedbfP> & bfP,
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Eigen::PlainObjectBase<DerivedO> & O,
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Eigen::PlainObjectBase<DerivedC> & C,
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Eigen::PlainObjectBase<DerivedBE> & BE,
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Eigen::PlainObjectBase<DerivedP> & P);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "readBF.cpp"
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#endif
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#endif
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