| 1 | /* |
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| 2 | * ---------------------------------------------------------------------- |
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| 3 | * Rappture::FieldTri2D |
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| 4 | * This is a continuous, linear function defined by a series of |
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| 5 | * points on a 2D unstructured mesh. It's a scalar field defined |
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| 6 | * in 2D space. |
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| 7 | * |
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| 8 | * ====================================================================== |
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| 9 | * AUTHOR: Michael McLennan, Purdue University |
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| 10 | * Copyright (c) 2004-2012 HUBzero Foundation, LLC |
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| 11 | * |
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| 12 | * See the file "license.terms" for information on usage and |
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| 13 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 14 | * ====================================================================== |
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| 15 | */ |
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| 16 | #ifndef RPFIELDTRI2D_H |
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| 17 | #define RPFIELDTRI2D_H |
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| 18 | |
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| 19 | #include <math.h> |
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| 20 | #include <vector> |
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| 21 | #include <RpPtr.h> |
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| 22 | #include <RpMeshTri2D.h> |
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| 23 | |
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| 24 | namespace Rappture { |
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| 25 | |
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| 26 | class FieldTri2D { |
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| 27 | public: |
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| 28 | FieldTri2D(); |
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| 29 | FieldTri2D(const MeshTri2D& grid); |
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| 30 | FieldTri2D(const FieldTri2D& field); |
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| 31 | FieldTri2D& operator=(const FieldTri2D& field); |
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| 32 | virtual ~FieldTri2D(); |
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| 33 | |
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| 34 | virtual int size() const; |
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| 35 | virtual Node2D& atNode(int pos); |
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| 36 | virtual double rangeMin(Axis which) const; |
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| 37 | virtual double rangeMax(Axis which) const; |
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| 38 | |
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| 39 | virtual FieldTri2D& define(int nodeId, double f); |
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| 40 | virtual double value(double x, double y, double outside=NAN) const; |
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| 41 | virtual double valueMin() const; |
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| 42 | virtual double valueMax() const; |
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| 43 | |
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| 44 | private: |
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| 45 | std::vector<double> _valuelist; // list of all values, in nodeId order |
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| 46 | double _vmin; // minimum value in _valuelist |
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| 47 | double _vmax; // maximum value in _valuelist |
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| 48 | Ptr<MeshTri2D> _meshPtr; // mesh for all (x,y) points |
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| 49 | int _counter; // counter for generating node IDs |
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| 50 | }; |
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| 51 | |
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| 52 | } // namespace Rappture |
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| 53 | |
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| 54 | #endif |
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