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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 | 1x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 8x 8x 9x 9x 8x 8x 8x 9x 8x 8x 8x 8x 9x 1x 9x 9x 9x 9x 9x 9x 9x 9x 1x | import macro from 'vtk.js/Sources/macros';
import vtkAbstractMapper from 'vtk.js/Sources/Rendering/Core/AbstractMapper';
import vtkLookupTable from 'vtk.js/Sources/Common/Core/LookupTable';
import Constants from 'vtk.js/Sources/Rendering/Core/Mapper/Constants';
const { ColorMode, ScalarMode, GetArray } = Constants;
// ---------------------------------------------------------------------------
// vtkMapper2D methods
// ---------------------------------------------------------------------------
function vtkMapper2D(publicAPI, model) {
// Set out className
model.classHierarchy.push('vtkMapper2D');
publicAPI.createDefaultLookupTable = () => {
model.lookupTable = vtkLookupTable.newInstance();
};
publicAPI.getColorModeAsString = () =>
macro.enumToString(ColorMode, model.colorMode);
publicAPI.setColorModeToDefault = () => publicAPI.setColorMode(0);
publicAPI.setColorModeToMapScalars = () => publicAPI.setColorMode(1);
publicAPI.setColorModeToDirectScalars = () => publicAPI.setColorMode(2);
publicAPI.getScalarModeAsString = () =>
macro.enumToString(ScalarMode, model.scalarMode);
publicAPI.setScalarModeToDefault = () => publicAPI.setScalarMode(0);
publicAPI.setScalarModeToUsePointData = () => publicAPI.setScalarMode(1);
publicAPI.setScalarModeToUseCellData = () => publicAPI.setScalarMode(2);
publicAPI.setScalarModeToUsePointFieldData = () => publicAPI.setScalarMode(3);
publicAPI.setScalarModeToUseCellFieldData = () => publicAPI.setScalarMode(4);
publicAPI.setScalarModeToUseFieldData = () => publicAPI.setScalarMode(5);
publicAPI.getAbstractScalars = (
input,
scalarMode,
arrayAccessMode,
arrayId,
arrayName
) => {
// make sure we have an input
if (!input || !model.scalarVisibility) {
return { scalars: null, cellFLag: false };
}
let scalars = null;
let cellFlag = false;
// get scalar data and point/cell attribute according to scalar mode
if (scalarMode === ScalarMode.DEFAULT) {
scalars = input.getPointData().getScalars();
if (!scalars) {
scalars = input.getCellData().getScalars();
cellFlag = true;
}
} else if (scalarMode === ScalarMode.USE_POINT_DATA) {
scalars = input.getPointData().getScalars();
} else if (scalarMode === ScalarMode.USE_CELL_DATA) {
scalars = input.getCellData().getScalars();
cellFlag = true;
} else if (scalarMode === ScalarMode.USE_POINT_FIELD_DATA) {
const pd = input.getPointData();
if (arrayAccessMode === GetArray.BY_ID) {
scalars = pd.getArrayByIndex(arrayId);
} else {
scalars = pd.getArrayByName(arrayName);
}
} else if (scalarMode === ScalarMode.USE_CELL_FIELD_DATA) {
const cd = input.getCellData();
cellFlag = true;
if (arrayAccessMode === GetArray.BY_ID) {
scalars = cd.getArrayByIndex(arrayId);
} else {
scalars = cd.getArrayByName(arrayName);
}
} else if (scalarMode === ScalarMode.USE_FIELD_DATA) {
const fd = input.getFieldData();
if (arrayAccessMode === GetArray.BY_ID) {
scalars = fd.getArrayByIndex(arrayId);
} else {
scalars = fd.getArrayByName(arrayName);
}
}
return { scalars, cellFlag };
};
publicAPI.getLookupTable = () => {
if (!model.lookupTable) {
publicAPI.createDefaultLookupTable();
}
return model.lookupTable;
};
publicAPI.getMTime = () => {
let mt = model.mtime;
Iif (model.lookupTable !== null) {
const time = model.lookupTable.getMTime();
mt = time > mt ? time : mt;
}
return mt;
};
publicAPI.mapScalars = (input, alpha) => {
const scalars = publicAPI.getAbstractScalars(
input,
model.scalarMode,
model.arrayAccessMode,
model.arrayId,
model.colorByArrayName
).scalars;
if (!scalars) {
model.colorMapColors = null;
return;
}
// we want to only recompute when something has changed
const toString = `${publicAPI.getMTime()}${scalars.getMTime()}${alpha}`;
if (model.colorBuildString === toString) return;
if (!model.useLookupTableScalarRange) {
publicAPI
.getLookupTable()
.setRange(model.scalarRange[0], model.scalarRange[1]);
}
const lut = publicAPI.getLookupTable();
if (lut) {
// Ensure that the lookup table is built
lut.build();
model.colorMapColors = lut.mapScalars(
scalars,
model.colorMode,
model.fieldDataTupleId
);
}
model.colorBuildString = `${publicAPI.getMTime()}${scalars.getMTime()}${alpha}`;
};
publicAPI.getPrimitiveCount = () => {
const input = publicAPI.getInputData();
const pcount = {
points: input.getPoints().getNumberOfValues() / 3,
verts:
input.getVerts().getNumberOfValues() -
input.getVerts().getNumberOfCells(),
lines:
input.getLines().getNumberOfValues() -
2 * input.getLines().getNumberOfCells(),
triangles:
input.getPolys().getNumberOfValues() -
3 * input.getPolys().getNumberOfCells(),
};
return pcount;
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
static: false,
lookupTable: null,
scalarVisibility: false,
scalarRange: [0, 1],
useLookupTableScalarRange: false,
colorMode: 0,
scalarMode: 0,
arrayAccessMode: 1, // By_NAME
renderTime: 0,
colorByArrayName: null,
transformCoordinate: null,
viewSpecificProperties: null,
customShaderAttributes: [],
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Inheritance
vtkAbstractMapper.extend(publicAPI, model, initialValues);
macro.get(publicAPI, model, ['colorMapColors']);
macro.setGet(publicAPI, model, [
'arrayAccessMode',
'colorByArrayName',
'colorMode',
'lookupTable',
'renderTime',
'scalarMode',
'scalarVisibility',
'static',
'transformCoordinate',
'useLookupTableScalarRange',
'viewSpecificProperties',
'customShaderAttributes', // point data array names that will be transferred to the VBO
]);
macro.setGetArray(publicAPI, model, ['scalarRange'], 2);
if (!model.viewSpecificProperties) {
model.viewSpecificProperties = {};
}
// Object methods
vtkMapper2D(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkMapper2D');
// ----------------------------------------------------------------------------
export default {
newInstance,
extend,
};
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