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import vtkFieldData from 'vtk.js/Sources/Common/DataModel/DataSetAttributes/FieldData';
import Constants from 'vtk.js/Sources/Common/DataModel/DataSetAttributes/Constants';
import vtkDataArray from 'vtk.js/Sources/Common/Core/DataArray';
const { AttributeTypes, AttributeCopyOperations } = Constants;
const { vtkWarningMacro } = macro;
// ----------------------------------------------------------------------------
// vtkDataSetAttributes methods
// ----------------------------------------------------------------------------
function vtkDataSetAttributes(publicAPI, model) {
const attrTypes = [
'Scalars',
'Vectors',
'Normals',
'TCoords',
'Tensors',
'GlobalIds',
'PedigreeIds',
];
function cleanAttributeType(attType) {
// Given an integer or string, convert the result to one of the
// strings in the "attrTypes" array above or null (if
// no match is found)
let cleanAttType = attrTypes.find(
(ee) =>
AttributeTypes[ee.toUpperCase()] === attType ||
(typeof attType !== 'number' &&
ee.toLowerCase() === attType.toLowerCase())
);
Iif (typeof cleanAttType === 'undefined') {
cleanAttType = null;
}
return cleanAttType;
}
// Set our className
model.classHierarchy.push('vtkDataSetAttributes');
const superClass = { ...publicAPI };
publicAPI.checkNumberOfComponents = (x) => true; // TODO
publicAPI.setAttribute = (arr, uncleanAttType) => {
const attType = cleanAttributeType(uncleanAttType);
Iif (
arr &&
attType.toUpperCase() === 'PEDIGREEIDS' &&
!arr.isA('vtkDataArray')
) {
vtkWarningMacro(
`Cannot set attribute ${attType}. The attribute must be a vtkDataArray.`
);
return -1;
}
Iif (arr && !publicAPI.checkNumberOfComponents(arr, attType)) {
vtkWarningMacro(
`Cannot set attribute ${attType}. Incorrect number of components.`
);
return -1;
}
let currentAttribute = model[`active${attType}`];
if (currentAttribute >= 0 && currentAttribute < model.arrays.length) {
Iif (model.arrays[currentAttribute] === arr) {
return currentAttribute;
}
// FIXME setting an array actually changes its index
publicAPI.removeArrayByIndex(currentAttribute);
}
if (arr) {
currentAttribute = publicAPI.addArray(arr);
model[`active${attType}`] = currentAttribute;
} else {
model[`active${attType}`] = -1;
}
publicAPI.modified();
return model[`active${attType}`];
};
publicAPI.getAttributes = (arr) =>
attrTypes.filter((attrType) => publicAPI[`get${attrType}`]() === arr);
publicAPI.setActiveAttributeByName = (arrayName, attType) =>
publicAPI.setActiveAttributeByIndex(
publicAPI.getArrayWithIndex(arrayName).index,
attType
);
publicAPI.setActiveAttributeByIndex = (arrayIdx, uncleanAttType) => {
const attType = cleanAttributeType(uncleanAttType);
if (arrayIdx >= 0 && arrayIdx < model.arrays.length) {
if (attType.toUpperCase() !== 'PEDIGREEIDS') {
const arr = publicAPI.getArrayByIndex(arrayIdx);
Iif (!arr.isA('vtkDataArray')) {
vtkWarningMacro(
`Cannot set attribute ${attType}. Only vtkDataArray subclasses can be set as active attributes.`
);
return -1;
}
Iif (!publicAPI.checkNumberOfComponents(arr, attType)) {
vtkWarningMacro(
`Cannot set attribute ${attType}. Incorrect number of components.`
);
return -1;
}
}
model[`active${attType}`] = arrayIdx;
publicAPI.modified();
return arrayIdx;
}
if (arrayIdx === -1) {
model[`active${attType}`] = arrayIdx;
publicAPI.modified();
}
return -1;
};
publicAPI.getActiveAttribute = (attType) => {
// Given an integer enum value or a string (with random capitalization),
// find the matching string in attrTypes.
const cleanAttType = cleanAttributeType(attType);
return publicAPI[`get${cleanAttType}`]();
};
// Override to allow proper handling of active attributes
publicAPI.removeAllArrays = () => {
attrTypes.forEach((attType) => {
model[`active${attType}`] = -1;
});
superClass.removeAllArrays();
};
// Override to allow proper handling of active attributes
publicAPI.removeArrayByIndex = (arrayIdx) => {
if (arrayIdx !== -1) {
attrTypes.forEach((attType) => {
if (arrayIdx === model[`active${attType}`]) {
model[`active${attType}`] = -1;
} else if (arrayIdx < model[`active${attType}`]) {
model[`active${attType}`] -= 1;
}
});
}
return superClass.removeArrayByIndex(arrayIdx);
};
attrTypes.forEach((value) => {
const activeVal = `active${value}`;
publicAPI[`get${value}`] = () =>
publicAPI.getArrayByIndex(model[activeVal]);
publicAPI[`set${value}`] = (da) => publicAPI.setAttribute(da, value);
publicAPI[`setActive${value}`] = (arrayName) =>
publicAPI.setActiveAttributeByIndex(
publicAPI.getArrayWithIndex(arrayName).index,
value
);
publicAPI[`copy${value}Off`] = () => {
const attType = value.toUpperCase();
model.copyAttributeFlags[AttributeCopyOperations.PASSDATA][
AttributeTypes[attType]
] = false;
};
publicAPI[`copy${value}On`] = () => {
const attType = value.toUpperCase();
model.copyAttributeFlags[AttributeCopyOperations.PASSDATA][
AttributeTypes[attType]
] = true;
};
});
publicAPI.initializeAttributeCopyFlags = () => {
// Default to copying all attributes in every circumstance:
model.copyAttributeFlags = [];
Object.keys(AttributeCopyOperations)
.filter((op) => op !== 'ALLCOPY')
.forEach((attCopyOp) => {
model.copyAttributeFlags[AttributeCopyOperations[attCopyOp]] =
Object.keys(AttributeTypes)
.filter((ty) => ty !== 'NUM_ATTRIBUTES')
.reduce((a, b) => {
a[AttributeTypes[b]] = true;
return a;
}, []);
});
// Override some operations where we don't want to copy:
model.copyAttributeFlags[AttributeCopyOperations.COPYTUPLE][
AttributeTypes.GLOBALIDS
] = false;
model.copyAttributeFlags[AttributeCopyOperations.INTERPOLATE][
AttributeTypes.GLOBALIDS
] = false;
model.copyAttributeFlags[AttributeCopyOperations.COPYTUPLE][
AttributeTypes.PEDIGREEIDS
] = false;
};
publicAPI.initialize = macro.chain(
publicAPI.initialize,
publicAPI.initializeAttributeCopyFlags
);
// Process dataArrays if any
Iif (model.dataArrays && Object.keys(model.dataArrays).length) {
Object.keys(model.dataArrays).forEach((name) => {
if (
!model.dataArrays[name].ref &&
model.dataArrays[name].type === 'vtkDataArray'
) {
publicAPI.addArray(vtkDataArray.newInstance(model.dataArrays[name]));
}
});
}
const superShallowCopy = publicAPI.shallowCopy;
publicAPI.shallowCopy = (other, debug) => {
superShallowCopy(other, debug);
model.arrays = other.getArrays().map((arr) => {
const arrNew = arr.newClone();
arrNew.shallowCopy(arr, debug);
return { data: arrNew };
});
};
publicAPI.initializeAttributeCopyFlags();
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
activeScalars: -1,
activeVectors: -1,
activeTensors: -1,
activeNormals: -1,
activeTCoords: -1,
activeGlobalIds: -1,
activePedigreeIds: -1,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Object methods
vtkFieldData.extend(publicAPI, model, initialValues);
macro.setGet(publicAPI, model, [
'activeScalars',
'activeNormals',
'activeTCoords',
'activeVectors',
'activeTensors',
'activeGlobalIds',
'activePedigreeIds',
]);
Iif (!model.arrays) {
model.arrays = {};
}
// Object specific methods
vtkDataSetAttributes(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkDataSetAttributes');
// ----------------------------------------------------------------------------
export default { newInstance, extend, ...Constants };
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