Skip to content

Commit

Permalink
add split curve support
Browse files Browse the repository at this point in the history
  • Loading branch information
@chuongmep
chuongmep committed Mar 27, 2023
1 parent dd34164 commit 6f3d620
Show file tree
Hide file tree
Showing 7 changed files with 975 additions and 2 deletions.
97 changes: 95 additions & 2 deletions OpenMEPSandbox/Geometry/Curve.cs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,8 @@ public class Curve
{
private Curve()
{

}

/// <summary>
/// Convert a curve simple to line
/// </summary>
Expand All @@ -16,4 +15,98 @@ public static Autodesk.DesignScript.Geometry.Line AsLine(Autodesk.DesignScript.G
{
return Autodesk.DesignScript.Geometry.Line.ByStartPointEndPoint(curve.StartPoint, curve.EndPoint);
}

/// <summary>
/// splits the curve at each point in the input list, creating a new curve between each adjacent pair of points
/// </summary>
/// <param name="curve">The input curve to be split.</param>
/// <param name="points">A list of points that represent the locations at which to split the curve.</param>
/// <returns name="curves">A list of curves that result from splitting the input curve at the specified points</returns>
/// <example>
/// ![](../OpenMEPPage/geometry/dyn/pic/Curve.SplitByPoints.png)
/// </example>
public static List<Autodesk.DesignScript.Geometry.Curve> SplitByPoints(Autodesk.DesignScript.Geometry.Curve curve,
List<Autodesk.DesignScript.Geometry.Point> points)
{
// split curve by list points, return list of curves
List<Autodesk.DesignScript.Geometry.Curve> curves = new List<Autodesk.DesignScript.Geometry.Curve>();
Autodesk.DesignScript.Geometry.Point startPoint = curve.StartPoint;
Autodesk.DesignScript.Geometry.Point endPoint = curve.EndPoint;
Autodesk.DesignScript.Geometry.Point lastPoint = startPoint;
// sort points
points.Sort((x, y) => x.DistanceTo(startPoint).CompareTo(y.DistanceTo(startPoint)));
foreach (var point in points)
{
Autodesk.DesignScript.Geometry.Curve segment =
Autodesk.DesignScript.Geometry.Line.ByStartPointEndPoint(lastPoint, point);
curves.Add(segment);
lastPoint = point;
}

Autodesk.DesignScript.Geometry.Curve lastSegment =
Autodesk.DesignScript.Geometry.Line.ByStartPointEndPoint(lastPoint, endPoint);
curves.Add(lastSegment);
return curves;
}

/// <summary>
/// splits a curve into segments of a specified length
/// </summary>
/// <param name="curve">The input curve to be split.</param>
/// <param name="segmentLength">A number that represents the length of each segment to split the curve into, or a list of numbers that represent the lengths of the segments to split the curve into.</param>
/// <returns name="curves">A list of curves that result from splitting the input curve at the specified segment lengths. The list includes the original curve and the newly created segments.</returns>
/// <example>
/// ![](../OpenMEPPage/geometry/dyn/pic/Curve.SplitBySegmentsLength.png)
/// </example>
public static List<Autodesk.DesignScript.Geometry.Curve> SplitBySegmentsLength(
Autodesk.DesignScript.Geometry.Curve curve, double segmentLength)
{
var curves = new List<Autodesk.DesignScript.Geometry.Curve>();
var totalLength = curve.Length;
var currentPosition = 0.0;
while (currentPosition < totalLength)
{
var currentPoint = curve.PointAtParameter(curve.ParameterAtSegmentLength(currentPosition));
var endParameter = curve.ParameterAtSegmentLength(currentPosition + segmentLength);
var endPoint = curve.PointAtParameter(endParameter);
var line = Autodesk.DesignScript.Geometry.Line.ByStartPointEndPoint(currentPoint, endPoint);
curves.Add(line);
currentPosition += segmentLength;
}
return curves;
}

/// <summary>
/// splits a curve into segments of varying lengths specified by a list of segment lengths
/// </summary>
/// <param name="curve">The input curve to be split.</param>
/// <param name="segmentLengths"> A list of numbers that represent the lengths of the segments to split the curve into. </param>
/// <returns name="curves">A list of curves that result from splitting the input curve at the specified segment lengths. The list includes the original curve and the newly created segments.</returns>
/// <example>
/// ![](../OpenMEPPage/geometry/dyn/pic/Curve.SplitBySegmentsLengths.png)
/// </example>
public static List<Autodesk.DesignScript.Geometry.Curve> SplitBySegmentsLengths(
Autodesk.DesignScript.Geometry.Curve curve, List<double> segmentLengths)
{
var curves = new List<Autodesk.DesignScript.Geometry.Curve>();
var totalLength = curve.Length;
var currentPosition = 0.0;
foreach (var segmentLength in segmentLengths)
{
var currentPoint = curve.PointAtParameter(curve.ParameterAtSegmentLength(currentPosition));
var endParameter = curve.ParameterAtSegmentLength(currentPosition + segmentLength);
var endPoint = curve.PointAtParameter(endParameter);
var line = Autodesk.DesignScript.Geometry.Line.ByStartPointEndPoint(currentPoint, endPoint);
curves.Add(line);
currentPosition += segmentLength;
}
if (currentPosition < totalLength)
{
var currentPoint = curve.PointAtParameter(curve.ParameterAtSegmentLength(currentPosition));
var endPoint = curve.EndPoint;
var line = Autodesk.DesignScript.Geometry.Line.ByStartPointEndPoint(currentPoint, endPoint);
curves.Add(line);
}
return curves;
}
}
273 changes: 273 additions & 0 deletions docs/OpenMEPPage/geometry/dyn/Curve.SplitBySegmentsLength.dyn
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,273 @@
{
"Uuid": "860bd5b0-4be9-4747-9609-1c8ca404b9ed",
"IsCustomNode": false,
"Description": "",
"Name": "Curve.SplitBySegmentsLength",
"ElementResolver": {
"ResolutionMap": {
"Autodesk.Point": {
"Key": "Autodesk.DesignScript.Geometry.Point",
"Value": "ProtoGeometry.dll"
},
"Autodesk.DesignScript.Geometry.Point": {
"Key": "Autodesk.DesignScript.Geometry.Point",
"Value": "ProtoGeometry.dll"
}
}
},
"Inputs": [],
"Outputs": [],
"Nodes": [
{
"ConcreteType": "Dynamo.Graph.Nodes.ZeroTouch.DSFunction, DynamoCore",
"Id": "2a18619f650d4b86bb441b8c30ad0c7b",
"NodeType": "FunctionNode",
"Inputs": [
{
"Id": "6fe905f67d9c4e92af726fbce1411d15",
"Name": "startPoint",
"Description": "Line start point\n\nPoint",
"UsingDefaultValue": false,
"Level": 2,
"UseLevels": false,
"KeepListStructure": false
},
{
"Id": "26775681fceb4334a83f2d3320d59d81",
"Name": "endPoint",
"Description": "Line end point\n\nPoint",
"UsingDefaultValue": false,
"Level": 2,
"UseLevels": false,
"KeepListStructure": false
}
],
"Outputs": [
{
"Id": "824c5649c4ce41f29010259986cd875c",
"Name": "Line",
"Description": "Line from start and end point",
"UsingDefaultValue": false,
"Level": 2,
"UseLevels": false,
"KeepListStructure": false
}
],
"FunctionSignature": "Autodesk.DesignScript.Geometry.Line.ByStartPointEndPoint@Autodesk.DesignScript.Geometry.Point,Autodesk.DesignScript.Geometry.Point",
"Replication": "Auto",
"Description": "Creates a straight Line between two input Points.\n\nLine.ByStartPointEndPoint (startPoint: Point, endPoint: Point): Line"
},
{
"ConcreteType": "Dynamo.Graph.Nodes.CodeBlockNodeModel, DynamoCore",
"Id": "7998726003284c86897270ee75748c24",
"NodeType": "CodeBlockNode",
"Inputs": [],
"Outputs": [
{
"Id": "956463be18d3480680e9b8485f0cd81a",
"Name": "",
"Description": "Value of expression at line 1",
"UsingDefaultValue": false,
"Level": 2,
"UseLevels": false,
"KeepListStructure": false
},
{
"Id": "3544ed7ad25a440baff5f8395f5b5610",
"Name": "",
"Description": "Value of expression at line 2",
"UsingDefaultValue": false,
"Level": 2,
"UseLevels": false,
"KeepListStructure": false
}
],
"Replication": "Disabled",
"Description": "Allows for DesignScript code to be authored directly",
"Code": "Autodesk.Point.ByCoordinates(0,0,0);\nAutodesk.Point.ByCoordinates(100,0,0);"
},
{
"ConcreteType": "Dynamo.Graph.Nodes.ZeroTouch.DSFunction, DynamoCore",
"Id": "14873e374f4e42a185395e974a9945e0",
"NodeType": "FunctionNode",
"Inputs": [
{
"Id": "9704f17ea1b2467b9dd30cbea05c2f81",
"Name": "curve",
"Description": "The input curve to be split.\n\nCurve",
"UsingDefaultValue": false,
"Level": 2,
"UseLevels": false,
"KeepListStructure": false
},
{
"Id": "0eedccd075574a6f9b14bc7c81ef9888",
"Name": "segmentLength",
"Description": "A number that represents the length of each segment to split the curve into, or a list of numbers that represent the lengths of the segments to split the curve into.\n\ndouble",
"UsingDefaultValue": false,
"Level": 2,
"UseLevels": false,
"KeepListStructure": false
}
],
"Outputs": [
{
"Id": "b7f580b93b744aeeb740b509d018c87f",
"Name": "Curve[]",
"Description": "A list of curves that result from splitting the input curve at the specified segment lengths. The list includes the original curve and the newly created segments.",
"UsingDefaultValue": false,
"Level": 2,
"UseLevels": false,
"KeepListStructure": false
}
],
"FunctionSignature": "OpenMEPSandbox.Geometry.Curve.SplitBySegmentsLength@Autodesk.DesignScript.Geometry.Curve,double",
"Replication": "Auto",
"Description": "splits a curve into segments of a specified length\n\nCurve.SplitBySegmentsLength (curve: Curve, segmentLength: double): Curve[]"
},
{
"ConcreteType": "Dynamo.Graph.Nodes.CodeBlockNodeModel, DynamoCore",
"Id": "6c9cb04f3e254ae391769808740f0e76",
"NodeType": "CodeBlockNode",
"Inputs": [],
"Outputs": [
{
"Id": "169162a51ba94a8c854deabd3c857aa7",
"Name": "",
"Description": "Value of expression at line 1",
"UsingDefaultValue": false,
"Level": 2,
"UseLevels": false,
"KeepListStructure": false
}
],
"Replication": "Disabled",
"Description": "Allows for DesignScript code to be authored directly",
"Code": "20;"
}
],
"Connectors": [
{
"Start": "824c5649c4ce41f29010259986cd875c",
"End": "9704f17ea1b2467b9dd30cbea05c2f81",
"Id": "9a7fb3a2974e4788a3ea948a50ae0426",
"IsHidden": "False"
},
{
"Start": "956463be18d3480680e9b8485f0cd81a",
"End": "6fe905f67d9c4e92af726fbce1411d15",
"Id": "77f72800d4144f38afdb1e84a6e029a9",
"IsHidden": "False"
},
{
"Start": "3544ed7ad25a440baff5f8395f5b5610",
"End": "26775681fceb4334a83f2d3320d59d81",
"Id": "955b41cf40364a1195d7e245cac7a45b",
"IsHidden": "False"
},
{
"Start": "169162a51ba94a8c854deabd3c857aa7",
"End": "0eedccd075574a6f9b14bc7c81ef9888",
"Id": "a7dc1a5e6fb4463683e82e34e79e6f84",
"IsHidden": "False"
}
],
"Dependencies": [],
"NodeLibraryDependencies": [
{
"Name": "OpenMEP",
"Version": "1.0.0",
"ReferenceType": "Package",
"Nodes": [
"14873e374f4e42a185395e974a9945e0"
]
}
],
"Thumbnail": "",
"GraphDocumentationURL": null,
"ExtensionWorkspaceData": [
{
"ExtensionGuid": "28992e1d-abb9-417f-8b1b-05e053bee670",
"Name": "Properties",
"Version": "2.18",
"Data": {}
}
],
"Author": "",
"Linting": {
"activeLinter": "None",
"activeLinterId": "7b75fb44-43fd-4631-a878-29f4d5d8399a",
"warningCount": 0,
"errorCount": 0
},
"Bindings": [],
"View": {
"Dynamo": {
"ScaleFactor": 1.0,
"HasRunWithoutCrash": true,
"IsVisibleInDynamoLibrary": true,
"Version": "2.18.0.2986",
"RunType": "Automatic",
"RunPeriod": "1000"
},
"Camera": {
"Name": "_Background Preview",
"EyeX": -31.445751190185547,
"EyeY": 152.2044677734375,
"EyeZ": 238.4566650390625,
"LookX": 102.42955780029297,
"LookY": -149.7088623046875,
"LookZ": -216.79536437988281,
"UpX": 0.14330178499221802,
"UpY": 0.94205731153488159,
"UpZ": -0.30330276489257813
},
"ConnectorPins": [],
"NodeViews": [
{
"Id": "2a18619f650d4b86bb441b8c30ad0c7b",
"Name": "Line.ByStartPointEndPoint",
"IsSetAsInput": false,
"IsSetAsOutput": false,
"Excluded": false,
"ShowGeometry": false,
"X": 210.313209328394,
"Y": 247.31339057409735
},
{
"Id": "7998726003284c86897270ee75748c24",
"Name": "Code Block",
"IsSetAsInput": false,
"IsSetAsOutput": false,
"Excluded": false,
"ShowGeometry": true,
"X": -241.63462917316929,
"Y": 256.08380586719136
},
{
"Id": "14873e374f4e42a185395e974a9945e0",
"Name": "Curve.SplitBySegmentsLength",
"IsSetAsInput": false,
"IsSetAsOutput": false,
"Excluded": false,
"ShowGeometry": true,
"X": 581.86752207329789,
"Y": 305.30932518182112
},
{
"Id": "6c9cb04f3e254ae391769808740f0e76",
"Name": "Code Block",
"IsSetAsInput": false,
"IsSetAsOutput": false,
"Excluded": false,
"ShowGeometry": true,
"X": 379.0,
"Y": 429.0
}
],
"Annotations": [],
"X": 314.51198981885773,
"Y": 13.234226889952993,
"Zoom": 0.828477476518277
}
}
Loading

0 comments on commit 6f3d620

Please sign in to comment.