/// <summary>
/// Construct a new array placement rule from scratch.
/// </summary>
/// <param name="definition">The element to array.</param>
/// <param name="arrayPath">The path along which to array.</param>
/// <param name="spacingRule">The configuration for the spacing.</param>
/// <param name="anchorIndices">For each vertex, the index of the corresponding anchor.</param>
/// <param name="anchorDisplacements">For each vertex, the displacement from its anchor.</param>
/// <param name="name">The name.</param>
public ArrayPlacementRule(GeometricElement definition, Polyline arrayPath, SpacingConfiguration spacingRule, IList <int> anchorIndices, IList <Vector3> anchorDisplacements, string name)
{
Curve = arrayPath;
AnchorIndices = anchorIndices;
AnchorDisplacements = anchorDisplacements;
Name = name;
IsClosed = arrayPath is Polygon;
SpacingRule = spacingRule;
ElementDefinition = definition;
}
/// <summary>
/// Construct an ArrayPlacementRule from closest points using a set of reference anchors. Each polyline vertex will be associated with its closest anchor.
/// </summary>
/// <param name="element">The element to array.</param>
/// <param name="polyline">The array path.</param>
/// <param name="spacingRule">The spacing configuration.</param>
/// <param name="Anchors">The reference anchors from which to calculate the associations.</param>
/// <param name="name">The rule name.</param>
public static ArrayPlacementRule FromClosestPoints(GeometricElement element, Polyline polyline, SpacingConfiguration spacingRule, IList <Vector3> Anchors, string name)
{
var anchorIndices = new List <int>();
var anchorDisplacements = new List <Vector3>();
foreach (var v in polyline.Vertices)
{
var closestAnchorIndex = Enumerable.Range(0, Anchors.Count).OrderBy(a => Anchors[a].DistanceTo(v)).First();
anchorIndices.Add(closestAnchorIndex);
var closestAnchor = Anchors[closestAnchorIndex];
anchorDisplacements.Add(v - closestAnchor);
}
return(new ArrayPlacementRule(element, polyline, spacingRule, anchorIndices, anchorDisplacements, name));
}