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Added a project on simplicial complexes. To do so, I added a MeshSubset class to Core. When I rebuilt the documentation, links starting with www didn't work, so I removed the www from the links Keenan's website.
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Mark Gillespie
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Mark Gillespie
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Jan 21, 2019
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,214 @@ | ||
| "use strict"; | ||
|
|
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| class MeshSubset { | ||
| /** | ||
| * This class represents a subset of a {@link module:Core.Mesh Mesh} | ||
| * @constructor module:Core.MeshSubset | ||
| * @param {Set.<number>} vertices A set of the indices of the vertices which this subset should contain. Default value is the empty set. | ||
| * @param {Set.<number>} edges A set of the indices of the edges which this subset should contain. Default value is the empty set. | ||
| * @param {Set.<number>} faces A set of the indices of the faces which this subset should contain. Default value is the empty set. | ||
| * @property {Set.<number>} vertices The set of the indices of the vertices which this subset contains. | ||
| * @property {Set.<number>} edges The set of the indices of the edges which this subset contains. | ||
| * @property {Set.<number>} faces The set of the indices of the faces which this subset contains. | ||
| */ | ||
| constructor(vertices = new Set(), edges = new Set(), faces = new Set()) { | ||
| this.vertices = vertices; | ||
| this.edges = edges; | ||
| this.faces = faces; | ||
| } | ||
|
|
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| /** | ||
| * Makes a copy of a {@link moduel:Core.MeshSubset} | ||
| * @method module:Core.MeshSubset.deepCopy | ||
| * @param {module:Core.MeshSubset} subset The subset to copy. | ||
| * @returns {module:Core.MeshSubset} A copy of the given subset. | ||
| */ | ||
| static deepCopy(subset) { | ||
| return new MeshSubset(new Set(subset.vertices), | ||
| new Set(subset.edges), new Set(subset.faces)); | ||
| } | ||
|
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| /** | ||
| * Resets this subset (i.e. empties out the vertex, edge, and face sets) | ||
| * @method module:Core.Meshsubset#reset | ||
| */ | ||
| reset() { | ||
| this.vertices = new Set(); | ||
| this.edges = new Set(); | ||
| this.faces = new Set(); | ||
| } | ||
|
|
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| /** | ||
| * Adds a vertex to this subset | ||
| * @method module:Core.MeshSubset#addVertex | ||
| * @param {number} vertex The index of the vertex to add. | ||
| */ | ||
| addVertex(vertex) { | ||
| this.vertices.add(vertex); | ||
| } | ||
|
|
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| /** | ||
| * Adds set of vertices to this subset | ||
| * @method module:Core.MeshSubset#addVertices | ||
| * @param {Set.<number>} vertices The set of indices of vertices to add. | ||
| */ | ||
| addVertices(vertices) { | ||
| for (let v of vertices) { | ||
| this.addVertex(v); | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * Removes a vertex from this subset. | ||
| * @method module:Core.MeshSubset#deleteVertex | ||
| * @param {number} vertex The index of the vertex to remove. | ||
| */ | ||
| deleteVertex(vertex) { | ||
| this.vertices.delete(vertex); | ||
| } | ||
|
|
||
| /** | ||
| * Removes a set of vertices from this subset. | ||
| * @method module:Core.MeshSubset#deleteVertices | ||
| * @param {Set.<number>} vertices The indices of vertices to remove. | ||
| */ | ||
| deleteVertices(vertices) { | ||
| for (let v of vertices) { | ||
| this.deleteVertex(v); | ||
| } | ||
| } | ||
|
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||
| /** | ||
| * Adds an edge to this subset | ||
| * @method module:Core.MeshSubset#addEdge | ||
| * @param {number} edge The index of the edge to add. | ||
| */ | ||
| addEdge(edge) { | ||
| this.edges.add(edge); | ||
| } | ||
|
|
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| /** | ||
| * Adds set of edges to this subset | ||
| * @method module:Core.MeshSubset#addEdges | ||
| * @param {number} edges The set of indices of edges to add. | ||
| */ | ||
| addEdges(edges) { | ||
| for (let e of edges) { | ||
| this.addEdge(e); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Removes an edge from this subset. | ||
| * @method module:Core.MeshSubset#deleteEdge | ||
| * @param {number} edge The index of the edge to remove. | ||
| */ | ||
| deleteEdge(edge) { | ||
| this.edges.delete(edge); | ||
| } | ||
|
|
||
| /** | ||
| * Removes a set of edges from this subset. | ||
| * @method module:Core.MeshSubset#deleteEdges | ||
| * @param {Set.<number>} edges The indices of the edges to remove. | ||
| */ | ||
| deleteEdges(edges) { | ||
| for (let e of edges) { | ||
| this.deleteEdge(e); | ||
| } | ||
| } | ||
|
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||
| /** | ||
| * Adds a face to this subset | ||
| * @method module:Core.MeshSubset#addFace | ||
| * @param {number} face The index of the face to add. | ||
| */ | ||
| addFace(face) { | ||
| this.faces.add(face); | ||
| } | ||
|
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||
| /** | ||
| * Adds set of faces to this subset | ||
| * @method module:Core.MeshSubset#addFaces | ||
| * @param {number} faces The set of indices of faces to add. | ||
| */ | ||
| addFaces(faces) { | ||
| for (let f of faces) { | ||
| this.addFace(f); | ||
| } | ||
| } | ||
|
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| /** | ||
| * Removes a face from this subset. | ||
| * @method module:Core.MeshSubset#deleteFace | ||
| * @param {number} face The index of the face to remove. | ||
| */ | ||
| deleteFace(face) { | ||
| this.faces.delete(face); | ||
| } | ||
|
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| /** | ||
| * Removes a set of faces from this subset. | ||
| * @method module:Core.MeshSubset#deleteFaces | ||
| * @param {Set.<number>} faces The indices of the faces to remove. | ||
| */ | ||
| deleteFaces(fs) { | ||
| for (let f of fs) { | ||
| this.deleteFace(f); | ||
| } | ||
| } | ||
|
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| /** | ||
| * Adds a subset's vertices, edges, and faces to this subset. | ||
| * @method module:Core.MeshSubset#addSubset | ||
| * @param {module:Core.MeshSubset} subset The subset to add in. | ||
| */ | ||
| addSubset(subset) { | ||
| this.addVertices(subset.vertices); | ||
| this.addEdges(subset.edges); | ||
| this.addFaces(subset.faces); | ||
| } | ||
|
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| /** | ||
| * Removes a subset's vertices, edges, and faces from this subset. | ||
| * @method module:Core.MeshSubset#deleteSubset | ||
| * @param {module:Core.MeshSubset} subset The subset to remove. | ||
| */ | ||
| deleteSubset(subset) { | ||
| this.deleteVertices(subset.vertices); | ||
| this.deleteEdges(subset.edges); | ||
| this.deleteFaces(subset.faces); | ||
| } | ||
|
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| /** | ||
| * Returns true if the input subset contains the same vertices, edges, and faces as | ||
| * this subset and false otherwise. | ||
| * @method module:Core.MeshSubset#equals | ||
| * @param {module:Core.MeshSubset} subset The subset to compare to. | ||
| */ | ||
| equals(subset) { | ||
| return this.setsEqual(this.vertices, subset.vertices) | ||
| && this.setsEqual(this.edges, subset.edges) | ||
| && this.setsEqual(this.faces, subset.faces); | ||
| } | ||
|
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| /** | ||
| * Returns true if the two sets contain the same elements and false otherwise. | ||
| * @private | ||
| * @method module:Core.MeshSubset#setsEqual | ||
| * @param {Set.<number>} as A set of numbers. | ||
| * @param {Set.<number>} bs A set of numbers. | ||
| * @returns {boolean} True if the sets contain the same elements and false otherwise. | ||
| */ | ||
| setsEqual(as, bs) { | ||
| if (as.size != bs.size) { | ||
| return false | ||
| } | ||
| for (let a of as) { | ||
| if (!bs.has(a)) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
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@@ -207,7 +207,7 @@ class Mesh { | |
| } | ||
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| // index elements | ||
| this.indexElements(); | ||
| this.indexElements(); | ||
|
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| return true; | ||
| } | ||
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