77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2017 Joe Graus <jgraus@gmu.edu>, 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_COLORMAP_H
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#define IGL_COLORMAP_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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enum ColorMapType
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{
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COLOR_MAP_TYPE_INFERNO = 0,
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COLOR_MAP_TYPE_JET = 1,
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COLOR_MAP_TYPE_MAGMA = 2,
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COLOR_MAP_TYPE_PARULA = 3,
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COLOR_MAP_TYPE_PLASMA = 4,
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COLOR_MAP_TYPE_VIRIDIS = 5,
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NUM_COLOR_MAP_TYPES = 6
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};
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// Comput [r,g,b] values of the selected colormap for
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// a given factor f between 0 and 1
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//
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// Inputs:
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// c colormap enum
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// f factor determining color value as if 0 was min and 1 was max
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// Outputs:
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// rgb red, green, blue value
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template <typename T>
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IGL_INLINE void colormap(const ColorMapType cm, const T f, T * rgb);
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// Outputs:
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// r red value
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// g green value
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// b blue value
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template <typename T>
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IGL_INLINE void colormap(const ColorMapType cm, const T f, T & r, T & g, T & b);
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// Inputs:
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// palette 256 by 3 array of color values
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template <typename T>
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IGL_INLINE void colormap(
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const double palette[256][3], const T x_in, T & r, T & g, T & b);
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// Inputs:
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// cm selected colormap palette to interpolate from
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// Z #Z list of factors
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// normalize whether to normalize Z to be tightly between [0,1]
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// Outputs:
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// C #C by 3 list of rgb colors
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template <typename DerivedZ, typename DerivedC>
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IGL_INLINE void colormap(
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const ColorMapType cm,
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const Eigen::MatrixBase<DerivedZ> & Z,
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const bool normalize,
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Eigen::PlainObjectBase<DerivedC> & C);
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// Inputs:
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// min_z value at "0"
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// max_z value at "1"
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template <typename DerivedZ, typename DerivedC>
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IGL_INLINE void colormap(
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const ColorMapType cm,
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const Eigen::MatrixBase<DerivedZ> & Z,
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const double min_Z,
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const double max_Z,
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Eigen::PlainObjectBase<DerivedC> & C);
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};
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#ifndef IGL_STATIC_LIBRARY
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# include "colormap.cpp"
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#endif
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#endif
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