1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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2 | /* |
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3 | * Copyright (C) 2004-2012 HUBzero Foundation, LLC |
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4 | * |
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5 | * Author: Leif Delgass <ldelgass@purdue.edu> |
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6 | */ |
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7 | |
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8 | #ifndef VTKVIS_DATASET_H |
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9 | #define VTKVIS_DATASET_H |
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10 | |
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11 | #include <vtkSmartPointer.h> |
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12 | #include <vtkDataSet.h> |
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13 | #include <vtkDataSetReader.h> |
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14 | #include <vtkXMLReader.h> |
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15 | #include <vtkAlgorithmOutput.h> |
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16 | #include <vtkTrivialProducer.h> |
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17 | |
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18 | #include <string> |
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19 | #include <vector> |
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20 | |
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21 | #include "Types.h" |
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22 | #include "Trace.h" |
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23 | |
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24 | namespace VtkVis { |
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25 | |
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26 | /** |
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27 | * \brief VTK DataSet wrapper |
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28 | */ |
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29 | class DataSet { |
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30 | public: |
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31 | /** |
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32 | * These enum values intentionally match vtkDataObject::FieldAssociations |
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33 | * and vtkDataObject::AttributeTypes |
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34 | */ |
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35 | enum DataAttributeType { |
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36 | POINT_DATA, |
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37 | CELL_DATA, |
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38 | FIELD_DATA |
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39 | }; |
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40 | DataSet(const std::string& name); |
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41 | virtual ~DataSet(); |
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42 | |
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43 | void writeDataFile(const char *filename); |
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44 | |
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45 | bool setDataFile(const char *filename); |
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46 | |
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47 | bool setData(char *data, int nbytes); |
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48 | |
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49 | bool setData(vtkDataSetReader *reader); |
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50 | |
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51 | bool setData(vtkXMLReader *reader); |
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52 | |
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53 | bool setData(vtkDataSet *ds); |
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54 | |
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55 | vtkDataSet *copyData(vtkDataSet *ds); |
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56 | |
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57 | int numDimensions() const; |
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58 | |
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59 | bool is2D(PrincipalPlane *plane = NULL, double *offset = NULL) const; |
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60 | |
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61 | PrincipalPlane principalPlane() const; |
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62 | |
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63 | bool isCloud() const; |
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64 | |
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65 | const std::string& getName() const; |
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66 | |
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67 | vtkDataSet *getVtkDataSet(); |
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68 | |
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69 | vtkAlgorithmOutput *getProducerPort() |
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70 | { |
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71 | if (_producer == NULL) { |
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72 | _producer = vtkSmartPointer<vtkTrivialProducer>::New(); |
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73 | _producer->SetOutput(_dataSet); |
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74 | } |
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75 | return _producer->GetOutputPort(); |
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76 | } |
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77 | |
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78 | const char *getVtkType() const; |
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79 | |
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80 | bool setActiveScalars(const char *name); |
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81 | |
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82 | const char *getActiveScalarsName() const; |
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83 | |
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84 | DataAttributeType getActiveScalarsType() const; |
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85 | |
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86 | bool setActiveVectors(const char *name); |
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87 | |
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88 | const char *getActiveVectorsName() const; |
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89 | |
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90 | DataAttributeType getActiveVectorsType() const; |
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91 | |
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92 | bool hasField(const char *fieldName) const |
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93 | { |
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94 | return getFieldInfo(fieldName, NULL, NULL); |
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95 | } |
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96 | |
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97 | bool hasField(const char *fieldName, DataAttributeType type) const |
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98 | { |
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99 | return getFieldInfo(fieldName, type, NULL); |
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100 | } |
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101 | |
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102 | bool getFieldInfo(const char *fieldName, DataAttributeType *type, int *numComponents) const; |
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103 | |
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104 | bool getFieldInfo(const char *fieldName, DataAttributeType type, int *numComponents) const; |
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105 | |
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106 | void getFieldNames(std::vector<std::string>& names, |
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107 | DataAttributeType type, int numComponents = -1) const; |
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108 | |
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109 | bool getDataRange(double minmax[2], const char *fieldName, |
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110 | DataAttributeType type, int component = -1) const; |
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111 | |
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112 | void getScalarRange(double minmax[2]) const; |
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113 | |
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114 | void getVectorRange(double minmax[2], int component = -1) const; |
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115 | |
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116 | void getBounds(double bounds[6]) const; |
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117 | |
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118 | void getCellSizeRange(double minmax[2], double *average); |
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119 | |
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120 | bool getScalarValue(double x, double y, double z, double *value) const; |
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121 | |
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122 | bool getVectorValue(double x, double y, double z, double vector[3]) const; |
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123 | |
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124 | void setOpacity(double opacity); |
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125 | |
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126 | /** |
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127 | * \brief Get the opacity setting for the DataSet |
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128 | * |
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129 | * This method is used for record-keeping. The renderer controls |
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130 | * the visibility of related graphics objects. |
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131 | */ |
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132 | inline double getOpacity() |
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133 | { |
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134 | return _opacity; |
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135 | } |
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136 | |
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137 | void setVisibility(bool state); |
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138 | |
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139 | bool getVisibility() const; |
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140 | |
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141 | static void getCellSizeRange(vtkDataSet *dataSet, double minmax[2], double *average); |
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142 | |
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143 | static void print(vtkDataSet *ds); |
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144 | |
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145 | private: |
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146 | DataSet(); |
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147 | |
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148 | void setDefaultArrays(); |
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149 | void print() const; |
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150 | |
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151 | std::string _name; |
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152 | vtkSmartPointer<vtkDataSet> _dataSet; |
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153 | vtkSmartPointer<vtkTrivialProducer> _producer; |
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154 | bool _visible; |
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155 | double _opacity; |
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156 | double _cellSizeRange[2]; |
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157 | double _cellSizeAverage; |
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158 | }; |
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159 | |
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160 | } |
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161 | |
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162 | #endif |
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