Jedd Morgan
92 lines
2.6 KiB
C#
92 lines
2.6 KiB
C#
using Speckle.Objects.Other;
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using Speckle.Sdk;
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using Speckle.Sdk.Common;
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using Speckle.Sdk.Models;
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namespace Speckle.Objects.Geometry;
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/// <summary>
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/// A collection of points, with color and size support.
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/// </summary>
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[SpeckleType("Objects.Geometry.Pointcloud")]
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public class Pointcloud : Base, IHasBoundingBox, ITransformable<Pointcloud>
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{
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/// <summary>
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/// Gets or sets the list of points of this <see cref="Pointcloud"/>, stored as a flat list of coordinates [x1,y1,z1,x2,y2,...]
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/// </summary>
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[DetachProperty, Chunkable(31250)]
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public required List<double> points { get; set; }
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/// <summary>
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/// Gets or sets the list of colors of this <see cref="Pointcloud"/>'s points., stored as ARGB <see cref="int"/>s.
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/// </summary>
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[DetachProperty, Chunkable(62500)]
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public List<int> colors { get; set; } = new();
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/// <summary>
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/// Gets or sets the list of sizes of this <see cref="Pointcloud"/>'s points.
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/// </summary>
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[DetachProperty, Chunkable(62500)]
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public List<double> sizes { get; set; } = new();
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/// <summary>
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/// The unit's this <see cref="Pointcloud"/> is in.
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/// This should be one of <see cref="Units"/>
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/// </summary>
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public required string units { get; set; }
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/// <inheritdoc/>
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public Box? bbox { get; set; }
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/// <inheritdoc/>
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public bool TransformTo(Transform transform, out Pointcloud transformed)
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{
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// transform points
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var transformedPoints = new List<Point>();
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foreach (var point in GetPoints())
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{
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point.TransformTo(transform, out Point transformedPoint);
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transformedPoints.Add(transformedPoint);
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}
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transformed = new Pointcloud
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{
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units = units,
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points = transformedPoints.SelectMany(o => o.ToList()).ToList(),
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colors = colors,
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sizes = sizes,
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applicationId = applicationId,
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};
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return true;
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}
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/// <inheritdoc/>
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public bool TransformTo(Transform transform, out ITransformable transformed)
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{
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var res = TransformTo(transform, out Pointcloud pc);
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transformed = pc;
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return res;
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}
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/// <returns><see cref="points"/> as list of <see cref="Point"/>s</returns>
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/// <exception cref="SpeckleException">when list is malformed</exception>
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public List<Point> GetPoints()
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{
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if (points.Count % 3 != 0)
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{
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throw new SpeckleException(
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$"{nameof(Pointcloud)}.{nameof(points)} list is malformed: expected length to be multiple of 3"
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);
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}
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var pts = new List<Point>(points.Count / 3);
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for (int i = 2; i < points.Count; i += 3)
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{
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pts.Add(new Point(points[i - 2], points[i - 1], points[i], units));
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}
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return pts;
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}
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}
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