feat(PolyData): Initial addition

Author: thewtex

include/itkJSONToMeshFilter.h

@@ -26,9 +26,9 @@ namespace itk
 /**
  *\class JSONToMeshFilter
  * \brief Convert an MeshJSON to an Mesh object.
- * 
+ *
  * TMesh must match the type stored in the JSON representation or an exception will be shown.
- * 
+ *
  * \ingroup WebAssemblyInterface
  */
 template <typename TMesh>

include/itkMeshJSON.h

@@ -28,9 +28,9 @@ namespace itk
  * \brief JSON representation for an itk::Mesh
  *
  * JSON representation for an itk::Mesh for interfacing across programming languages and runtimes.
- * 
+ *
  * Point, CellBuffer, PointData, and CellData binary array buffer's are stored as strings with memory addresses or paths on disks or a virtual filesystem.
- * 
+ *
  * \ingroup WebAssemblyInterface
  */
 template <typename TMesh>

src/core/PolyData.ts

@@ -0,0 +1,25 @@
+class PolyData {
+  name: string = 'PolyData'
+
+  points: Float32Array
+
+  vertices: null | Uint32Array
+
+  lines: null | Uint32Array
+
+  polygons: null | Uint32Array
+
+  triangleStrips: null | Uint32Array
+
+  constructor () {
+    this.name = 'PolyData'
+
+    this.points = new Float32Array()
+    this.lines = null
+    this.vertices = null
+    this.polygons = null
+    this.triangleStrips = null
+  }
+}
+
+export default PolyData

src/core/index.ts

@@ -17,6 +17,8 @@ export { default as ImageType } from './ImageType.js'
 export { default as Mesh } from './Mesh.js'
 export { default as MeshType } from './MeshType.js'
 
+export { default as PolyData } from './PolyData.js'
+// Todo: remove
 export { default as vtkPolyData } from './vtkPolyData.js'
 
 export { default as bufferToTypedArray } from './bufferToTypedArray.js'

test/node/core/PolyDataTest.js

@@ -0,0 +1,38 @@
+import test from 'ava'
+
+import { PolyData } from '../../../dist/index.js'
+
+test('name should have the default value of "PolyData"', t => {
+  const polyData = new PolyData()
+  t.deepEqual(polyData.name, 'PolyData')
+})
+
+test('points should be a Float32Array', t => {
+  const polyData = new PolyData()
+  t.assert(polyData.points instanceof Float32Array)
+})
+
+test('points should have a default length of 0', t => {
+  const polyData = new PolyData()
+  t.is(polyData.points.length, 0)
+})
+
+test('lines should have a default value of null', t => {
+  const polyData = new PolyData()
+  t.is(polyData.lines, null)
+})
+
+test('vertices should have a default value of null', t => {
+  const polyData = new PolyData()
+  t.is(polyData.vertices, null)
+})
+
+test('polygons should have a default value of null', t => {
+  const polyData = new PolyData()
+  t.is(polyData.polygons, null)
+})
+
+test('triangleStrips should have a default value of null', t => {
+  const polyData = new PolyData()
+  t.is(polyData.triangleStrips, null)
+})