StructuredData

Source

Constants.js
export const StructuredType = {
UNCHANGED: 0,
SINGLE_POINT: 1,
X_LINE: 2,
Y_LINE: 3,
Z_LINE: 4,
XY_PLANE: 5,
YZ_PLANE: 6,
XZ_PLANE: 7,
XYZ_GRID: 8,
EMPTY: 9,
};

export default {
StructuredType,
};
index.js
import Constants from 'vtk.js/Sources/Common/DataModel/StructuredData/Constants';

const { StructuredType } = Constants;

export function getDataDescriptionFromExtent(inExt) {
let dataDim = 0;
for (let i = 0; i < 3; ++i) {
if (inExt[i * 2] < inExt[i * 2 + 1]) {
dataDim++;
}
}

if (inExt[0] > inExt[1] || inExt[2] > inExt[3] || inExt[4] > inExt[5]) {
return StructuredType.EMPTY;
}

if (dataDim === 3) {
return StructuredType.XYZ_GRID;
}

if (dataDim === 2) {
if (inExt[0] === inExt[1]) {
return StructuredType.YZ_PLANE;
}

if (inExt[2] === inExt[3]) {
return StructuredType.XZ_PLANE;
}
return StructuredType.XY_PLANE;
}

if (dataDim === 1) {
if (inExt[0] < inExt[1]) {
return StructuredType.X_LINE;
}

if (inExt[2] < inExt[3]) {
return StructuredType.Y_LINE;
}

return StructuredType.Z_LINE;
}

return StructuredType.SINGLE_POINT;
}

export default Object.assign({ getDataDescriptionFromExtent }, Constants);