GeoTessCPP: rstt/GeoTessCPP/include/GeoTessPositionLinear.h Source File

GeoTessCPP 2.2.3 Software to facilitate storage and retrieval of 3D information about the Earth.

GeoTessPositionLinear.h
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37
38 #ifndef GEOTESSPOSITIONLINEAR_OBJECT_H
39 #define GEOTESSPOSITIONLINEAR_OBJECT_H
40
41 // **** _SYSTEM INCLUDES_ ******************************************************
42
43 #include <iostream>
44 #include <string>
45 #include <fstream>
46 #include <vector>
47
48 // use standard library objects
49 using namespace std;
50
51 // **** _LOCAL INCLUDES_ *******************************************************
52
53 #include "CPPUtils.h"
54 #include "GeoTessUtils.h"
55 #include "GeoTessPosition.h"
56 #include "GeoTessGrid.h"
57 #include "GeoTessInterpolatorType.h"
58
59 // **** _BEGIN GEOTESS NAMESPACE_ **********************************************
60
61 namespace geotess
62 {
63
64 // **** _FORWARD REFERENCES_ ***************************************************
65
66 class GeoTessModel;
67
68 // **** _CLASS DEFINITION_ *****************************************************
69
78 class GEOTESS_EXP_IMP GeoTessPositionLinear: public GeoTessPosition
79 {
80 protected:
81
88 virtual void update2D(int tid)
89 {
90 vector<int>& vt = vertices[tid];
91 vector<double>& hc = hCoefficients[tid];
92
93 vt.clear();
94 hc.clear();
95
96 const int* trngl = grid.getTriangleVertexIndexes(getTriangle(tid));
97
98 // if the interpolation point falls on a grid node set the list of interpolation
99 // vertices to include only the identified vertex, and the interpolation coefficient = 1.
100 if (GeoTessUtils::dot(unitVector, grid.getVertex(trngl[0])) > cos(1e-7))
101 { vt.push_back(trngl[0]); hc.push_back(1.0); return; }
102
103 if (GeoTessUtils::dot(unitVector, grid.getVertex(trngl[1])) > cos(1e-7))
104 { vt.push_back(trngl[1]); hc.push_back(1.0); return; }
105
106 if (GeoTessUtils::dot(unitVector, grid.getVertex(trngl[2])) > cos(1e-7))
107 { vt.push_back(trngl[2]); hc.push_back(1.0); return; }
108
109 // interpolation point is not coincident with a grid node.
110 vector<double>& lc = linearCoefficients[tid];
111 vt.push_back(trngl[0]);
112 hc.push_back(lc[0]);
113 vt.push_back(trngl[1]);
114 hc.push_back(lc[1]);
115 vt.push_back(trngl[2]);
116 hc.push_back(lc[2]);
117 }
118
119 public:
120
124 GeoTessPositionLinear(GeoTessModel* model,
125 const GeoTessInterpolatorType& radialType);
126
130 virtual ~GeoTessPositionLinear();
131
136 virtual const GeoTessInterpolatorType& getInterpolatorType() const { return GeoTessInterpolatorType::LINEAR; }
137
138 virtual long getMemory() { return (long) sizeof(GeoTessPositionLinear) + memory(); }
139
140 };
141 // end class GeoTessModelLinear
142
143 }// end namespace geotess
144
145 #endif // GEOTESSPOSITIONLINEAR_OBJECT_H
geotess
Definition: ArrayReuse.h:57
geotess::GeoTessPositionLinear::update2D
virtual void update2D(int tid)
Definition: GeoTessPositionLinear.h:88
geotess::GeoTessPositionLinear::getInterpolatorType
virtual const GeoTessInterpolatorType & getInterpolatorType() const
Definition: GeoTessPositionLinear.h:136
GeoTessUtils.h
geotess::GeoTessPositionLinear::getMemory
virtual long getMemory()
Definition: GeoTessPositionLinear.h:138
geotess::GeoTessPositionLinear::~GeoTessPositionLinear
virtual ~GeoTessPositionLinear()
GeoTessInterpolatorType.h
GeoTessGrid.h
GEOTESS_EXP_IMP
#define GEOTESS_EXP_IMP
Definition: CPPGlobals.h:73
geotess::GeoTessPositionLinear::GeoTessPositionLinear
GeoTessPositionLinear(GeoTessModel *model, const GeoTessInterpolatorType &radialType)
GeoTessPosition.h
geotess::GeoTessPositionLinear
Implements linear interpolation in geographic dimensions of a grid.
Definition: GeoTessPositionLinear.h:79
geotess::GeoTessModel
Top level class that manages the GeoTessMetaData, GeoTessGrid and GeoTessData that comprise a 3D Eart...
Definition: GeoTessModel.h:123
geotess::GeoTessPosition
Information about an interpolated point at an arbitrary position in a model.
Definition: GeoTessPosition.h:104
CPPUtils.h
geotess::GeoTessInterpolatorType
Enumeration of the interpolation algorithms supported by GeoTess including LINEAR,...
Definition: GeoTessInterpolatorType.h:74