38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
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//
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// This source code is property of the Computer Graphics and Visualization
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// chair of the TU Dresden. Do not distribute in modified or unmodified form!
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// Copyright (C) 2016 CGV TU Dresden - All Rights Reserved
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//
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/*************************************************************************
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A lagrange curve.
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This class uses the interface "abstract_curve" to define a lagrange curve.
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Read the information in "abstract_curve.h" for more details.
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*************************************************************************/
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#pragma once
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// provides the abstract curve interface
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#include "abstract_curve.h"
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class lagrange_curve: public abstract_curve
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{
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public:
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// Initialize the curve and store a reference of the control points
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lagrange_curve(std::vector<point2d>& control_points);
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// The specified "evaluate_basis" to evaluate a basis function for
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// the control point "point_num" at the position "t"
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double evaluate_basis(int point_num, double t);
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// The speficied "control_points_updated" to adjust the domain range
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// as a function of the number of control points
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void control_points_updated();
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// The specified "set_text" method to put arbitrary text into the
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// stream "stream"
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void set_text(std::stringstream &stream);
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};
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