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developer:rhinocommonsamples:sortpoints [2015/09/14]
developer:rhinocommonsamples:sortpoints [2020/08/14] (current)
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 +===== Sample: Sorting 3D points =====
 +
 +===== C# =====
 +<code c#>
 +public class SortPointsCommand : Command
 +{
 +  public override string EnglishName { get { return "csSortPoints"; } }
 +
 +  protected override Result RunCommand(RhinoDoc doc, RunMode mode)
 +  {
 +    var points = new List<Point3d>
 +    {
 +      new Point3d(0, 0, 0),
 +      new Point3d(0, 0, 1),
 +      new Point3d(0, 1, 0),
 +      new Point3d(0, 1, 1),
 +      new Point3d(1, 0, 0),
 +      new Point3d(1, 0, 1),
 +      new Point3d(1, 1, 0),
 +      new Point3d(1, 1, 1)
 +    };
 +
 +    RhinoApp.WriteLine("Before sort ...");
 +    foreach (var point in points)
 +      RhinoApp.WriteLine("point: {0}", point);
 +
 +    var sorted_points = Point3d.SortAndCullPointList(points, doc.ModelAbsoluteTolerance);
 +
 +    RhinoApp.WriteLine("After sort ...");
 +    foreach (var point in sorted_points)
 +      RhinoApp.WriteLine("point: {0}", point);
 +
 +    doc.Objects.AddPoints(sorted_points);
 +    doc.Views.Redraw();
 +    return Result.Success;
 +  }
 +}
 +</code>
 +===== VB.NET =====
 +<code vb>
 +Public Class SortPointsCommand
 +  Inherits Command
 +  Public Overrides ReadOnly Property EnglishName() As String
 +    Get
 +      Return "vbSortPoints"
 +    End Get
 +  End Property
 +
 +  Protected Overrides Function RunCommand(doc As RhinoDoc, mode As RunMode) As Result
 +    Dim points = New List(Of Point3d)() From { _
 +      New Point3d(0, 0, 0), _
 +      New Point3d(0, 0, 1), _
 +      New Point3d(0, 1, 0), _
 +      New Point3d(0, 1, 1), _
 +      New Point3d(1, 0, 0), _
 +      New Point3d(1, 0, 1), _
 +      New Point3d(1, 1, 0), _
 +      New Point3d(1, 1, 1) _
 +    }
 +
 +    RhinoApp.WriteLine("Before sort ...")
 +    For Each point As Point3d In points
 +      RhinoApp.WriteLine("point: {0}", point)
 +    Next
 +
 +    Dim sorted_points = Point3d.SortAndCullPointList(points, doc.ModelAbsoluteTolerance)
 +
 +    RhinoApp.WriteLine("After sort ...")
 +    For Each point As Point3d In sorted_points
 +      RhinoApp.WriteLine("point: {0}", point)
 +    Next
 +
 +    doc.Objects.AddPoints(sorted_points)
 +    doc.Views.Redraw()
 +    Return Result.Success
 +  End Function
 +End Class
 +d Namespace
 +</code>
 +===== Python =====
 +<code python>
 +import System.Collections.Generic;
 +import Rhino;
 +from Rhino.Commands import Result
 +from Rhino.Geometry import Point3d
 +from scriptcontext import doc
 +
 +def RunCommand():
 +  points = [Point3d(0, 0, 0), Point3d(0, 0, 1), Point3d(0, 1, 0), 
 +    Point3d(0, 1, 1), Point3d(1, 0, 0), Point3d(1, 0, 1), 
 +    Point3d(1, 1, 0), Point3d(1, 1, 1)]
 +
 +  print "Before sort ..."
 +  for point in points:
 +    print "point: {0}".format(point)
 +
 +  sorted_points = Point3d.SortAndCullPointList(
 +      points, doc.ModelAbsoluteTolerance);
 +
 +  print "After sort ..."
 +  for point in sorted_points:
 +    print "point: {0}".format(point)
 +
 +  doc.Objects.AddPoints(sorted_points);
 +  doc.Views.Redraw();
 +  return Result.Success;
 +
 +if __name__ == "__main__":
 +  RunCommand()
 +</code>
 +
 +{{tag>Developer rhinocommon}}