/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
Mesh mesh = null;
IField3d<double> f = null;
if (!DA.GetData(0, ref mesh)) return;
if (!DA.GetData(1, ref f)) return;
double iso = 0;
var lines = new List<LineCurve>();
for (int i = 0; i < mesh.Faces.Count; i++)
{
Point3d p0 = mesh.Vertices[mesh.Faces[i].A];
Point3d p1 = mesh.Vertices[mesh.Faces[i].B];
Point3d p2 = mesh.Vertices[mesh.Faces[i].C];
double t0 = f.ValueAt(mesh.Vertices[mesh.Faces[i].A]);
double t1 = f.ValueAt(mesh.Vertices[mesh.Faces[i].B]);
double t2 = f.ValueAt(mesh.Vertices[mesh.Faces[i].C]);
int mask = 0;
if (t0 >= iso) { mask |= 1; }
if (t1 >= iso) { mask |= 2; }
if (t2 >= iso) { mask |= 4; }
switch (mask)
{
case 1:
lines.Add(DrawLine(p0, p1, p2, Normalize(t0, t1, iso), Normalize(t0, t2, iso)));
break;
case 2:
lines.Add(DrawLine(p1, p2, p0, Normalize(t1, t2, iso), Normalize(t1, t0, iso)));
break;
case 3:
lines.Add(DrawLine(p2, p0, p1, Normalize(t2, t0, iso), Normalize(t2, t1, iso)));
break;
case 4:
lines.Add(DrawLine(p2, p0, p1, Normalize(t2, t0, iso), Normalize(t2, t1, iso)));
break;
case 5:
lines.Add(DrawLine(p1, p2, p0, Normalize(t1, t2, iso), Normalize(t1, t0, iso)));
break;
case 6:
lines.Add(DrawLine(p0, p1, p2, Normalize(t0, t1, iso), Normalize(t0, t2, iso)));
break;
}
}
DA.SetDataList(0, Curve.JoinCurves(lines));
//contour = Curve.JoinCurves(lines);
}
/// <summary>
///
/// </summary>
private static IEnumerable <Vector3d> IntegrateFromRK2(IField3d <Vector3d> field, Vector3d point, double stepSize)
{
yield return(point);
while (true)
{
var v0 = field.ValueAt(point);
var v1 = field.ValueAt(point + v0 * stepSize);
point += (v0 + v1) * 0.5 * stepSize;
yield return(point);
}
}
/// <summary>
///
/// </summary>
void UpdateTargetLengths(IField3d <double> length, bool parallel = false)
{
var edges = _mesh.Edges;
var d = _settings.LengthRange;
if (parallel)
{
Parallel.ForEach(Partitioner.Create(0, edges.Count), range => Body(range.Item1, range.Item2));
}
else
{
Body(0, edges.Count);
}
void Body(int from, int to)
{
for (int i = from; i < to; i++)
{
var he = edges[i];
if (he.IsUnused)
{
continue;
}
var p = (he.Start.Position + he.End.Position) * 0.5;
he.TargetLength = d.Evaluate(length.ValueAt(p));
}
}
}
/// <inheritdoc/>
/// <summary>
///
/// </summary>
/// <param name="particles"></param>
public void Calculate(IReadOnlyList <IBody> particles)
{
foreach (var h in Handles)
{
h.Delta = _field.ValueAt(particles[h].Position);
}
}
/// <summary>
///
/// </summary>
private static IEnumerable <Vector3d> IntegrateFromRK4(IField3d <Vector3d> field, Vector3d point, double stepSize)
{
double dt2 = stepSize * 0.5;
double dt6 = stepSize / 6.0;
yield return(point);
while (true)
{
var v0 = field.ValueAt(point);
var v1 = field.ValueAt(point + v0 * dt2);
var v2 = field.ValueAt(point + v1 * dt2);
var v3 = field.ValueAt(point + v2 * stepSize);
point += (v0 + 2.0 * v1 + 2.0 * v2 + v3) * dt6;
yield return(point);
}
}
/// <summary>
///
/// </summary>
/// <param name="particles"></param>
public override sealed void Calculate(IReadOnlyList <IBody> particles)
{
for (int i = 0; i < Handles.Count; i++)
{
var h = Handles[i];
h.Delta = _field.ValueAt(particles[h].Position);
h.Weight = Weight;
}
}
/// <summary>
///
/// </summary>
private static IEnumerable <Vector3d> IntegrateFromEuler(IField3d <Vector3d> field, Vector3d point, double stepSize)
{
yield return(point);
while (true)
{
point += field.ValueAt(point) * stepSize;
yield return(point);
}
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
Mesh mesh = null;
IField3d <double> f = null;
Plane plane = new Plane();
double val = 1.00d;
if (!DA.GetData(0, ref mesh))
{
return;
}
if (!DA.GetData(1, ref f))
{
return;
}
if (!DA.GetData(2, ref plane))
{
return;
}
if (!DA.GetData(3, ref val))
{
return;
}
var hem = mesh.ToHeMesh();
var field = MeshField3d.Double.Create(hem);
double[] vals = new double[field.Mesh.Vertices.Count];
Parallel.ForEach(Partitioner.Create(0, mesh.Vertices.Count), range =>
{
for (int i = range.Item1; i < range.Item2; i++)
{
Vector3d vec = plane.Origin - mesh.Vertices[i];
double proj = vec * plane.Normal;
if (proj > 0)
{
vals[i] = val;
}
else
{
vals[i] = f.ValueAt(mesh.Vertices[i]);
}
}
});
field.Set(vals);
DA.SetData(0, field);
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
Mesh mesh = null;
IField3d <double> f = null;
List <Plane> planes = new List <Plane>();
double val = 1.00d;
if (!DA.GetData(0, ref mesh))
{
return;
}
if (!DA.GetData(1, ref f))
{
return;
}
if (!DA.GetDataList(2, planes))
{
return;
}
if (!DA.GetData(3, ref val))
{
return;
}
var hem = mesh.ToHeMesh();
var fn = MeshField3d.Double.Create(hem);
var vals = new List <double>();
foreach (Point3d p in mesh.Vertices)
{
double v = f.ValueAt(p);
foreach (var plane in planes)
{
var vec = plane.Origin - p;
double proj = vec * plane.Normal;
if (proj > 0)
{
v = val;
break;
}
}
vals.Add(v);
}
fn.Set(vals);
DA.SetData(0, fn);
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
Mesh mesh = null;
IField3d <double> f = null;
Plane plane = new Plane();
double val = 1.00d;
if (!DA.GetData(0, ref mesh))
{
return;
}
if (!DA.GetData(1, ref f))
{
return;
}
if (!DA.GetData(2, ref plane))
{
return;
}
if (!DA.GetData(3, ref val))
{
return;
}
Point3d[] pts = mesh.Vertices.ToPoint3dArray();
double[] vals = new double[pts.Length];
Parallel.ForEach(Partitioner.Create(0, pts.Length), range =>
{
for (int i = range.Item1; i < range.Item2; i++)
{
Vector3d vec = plane.Origin - pts[i];
double proj = vec * plane.Normal; //dot product
if (proj > 0)
{
vals[i] = val;
}
else
{
vals[i] = f.ValueAt(pts[i]);
}
}
});
MeshField3d <double> fn = Utility.CreateMeshField(mesh, vals);
DA.SetData(0, fn);
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
Mesh mesh = null;
IField3d <double> f0 = null;
IField3d <double> f1 = null;
List <double> t = new List <double>();
if (!DA.GetData(0, ref mesh))
{
return;
}
if (!DA.GetData(1, ref f0))
{
return;
}
if (!DA.GetData(2, ref f1))
{
return;
}
if (!DA.GetDataList(3, t))
{
return;
}
var hem = mesh.ToHeMesh();
List <MeshField3d <double> > blendfields = new List <MeshField3d <double> >();
for (int j = 0; j < t.Count; j++)
{
GH_Path pth = new GH_Path(j);
List <double> currentBlend = new List <double>();
foreach (Point3d p in mesh.Vertices)
{
double val = SpatialSlur.SlurCore.SlurMath.Lerp(f0.ValueAt(p), f1.ValueAt(p), t[j]);
currentBlend.Add(val);
}
var field = MeshField3d.Double.Create(hem);
field.Set(currentBlend);
blendfields.Add(field);
}
DA.SetDataList(0, blendfields);
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
Mesh mesh = null;
IField3d <double> f = null;
Plane plane = new Plane();
double val = 1.00d;
if (!DA.GetData(0, ref mesh))
{
return;
}
if (!DA.GetData(1, ref f))
{
return;
}
if (!DA.GetData(2, ref plane))
{
return;
}
if (!DA.GetData(3, ref val))
{
return;
}
var hem = mesh.ToHeMesh();
var fn = MeshField3d.Double.Create(hem);
List <double> vals = new List <double>();
foreach (Point3d p in mesh.Vertices)
{
Vector3d vec = plane.Origin - p;
double proj = vec * plane.Normal; //dot product
if (proj > 0)
{
vals.Add(val);
}
else
{
vals.Add(f.ValueAt(p));
}
}
fn.Set(vals);
DA.SetData(0, fn);
}
/// <summary>
///
/// </summary>
void UpdateGrowthRate()
{
// sample growth rate field or set to default
if (_growthField == null)
{
foreach (var v in _verts)
{
v.GrowthRate = 1.0;
}
}
else
{
Parallel.ForEach(Partitioner.Create(0, _verts.Count), range =>
{
for (int i = range.Item1; i < range.Item2; i++)
{
var v = _verts[i];
if (v.IsUnused)
{
continue;
}
v.GrowthRate = _growthField.ValueAt(v.Position);
}
});
}
// sample direction field
if (_directionField != null)
{
var align = 1.0 - _settings.Alignment;
Parallel.ForEach(Partitioner.Create(0, _verts.Count), range =>
{
for (int i = range.Item1; i < range.Item2; i++)
{
var v = _verts[i];
if (v.IsUnused || !v.IsDegree2)
{
continue;
}
var n = _directionField.ValueAt(v.Position);
var d = v.MoveSum;
var dx = Vector3d.Project(d, n);
v.MoveSum = dx + (d - dx) * align; // scale down perpendicular component
}
});
}
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
Mesh mesh = null;
IField3d <double> f0 = null;
IField3d <double> f1 = null;
List <double> t = new List <double>();
if (!DA.GetData(0, ref mesh))
{
return;
}
if (!DA.GetData(1, ref f0))
{
return;
}
if (!DA.GetData(2, ref f1))
{
return;
}
if (!DA.GetDataList(3, t))
{
return;
}
var hem = mesh.ToHeMesh();
List <MeshField3d <double> > blendfields = new List <MeshField3d <double> >();
for (int j = 0; j < t.Count; j++)
{
Point3d[] pts = mesh.Vertices.ToPoint3dArray();
double[] results = new double[pts.Length];
debugLog.Add(pts.Length.ToString());
Parallel.For(0, pts.Length, i =>
{
results[i] = SpatialSlur.SlurCore.SlurMath.Lerp(f0.ValueAt(pts[i]), f1.ValueAt(pts[i]), t[j]);
});
var field = Utility.CreateMeshField(mesh, results);
blendfields.Add(field);
}
DA.SetDataList(0, debugLog);
DA.SetDataList(1, blendfields);
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
List <Mesh> mesh = new List <Mesh>();
IField3d <double> f0 = null;
IField3d <double> f1 = null;
List <double> t = new List <double>();
if (!DA.GetDataList(0, mesh))
{
return;
}
if (!DA.GetData(1, ref f0))
{
return;
}
if (!DA.GetData(2, ref f1))
{
return;
}
if (!DA.GetDataList(3, t))
{
return;
}
List <MeshField3d> fields = new List <MeshField3d>();
for (int i = 0; i < t.Count; i++)
{
List <double> currentBlend = new List <double>();
var currentField = MeshField3d.Double.Create(mesh[i].ToHeMesh());
foreach (Point3d p in mesh[i].Vertices)
{
double val = SlurMath.Lerp(f0.ValueAt(p), f1.ValueAt(p), t[i]);
currentBlend.Add(val);
currentField.Set(currentBlend);
}
fields.Add(currentField);
}
;
DA.SetDataList(0, fields);
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
List <Mesh> mesh = new List <Mesh>();
IField3d <double> f0 = null;
IField3d <double> f1 = null;
List <double> t = new List <double>();
if (!DA.GetDataList(0, mesh))
{
return;
}
if (!DA.GetData(1, ref f0))
{
return;
}
if (!DA.GetData(2, ref f1))
{
return;
}
if (!DA.GetDataList(3, t))
{
return;
}
List <MeshField3d> fields = new List <MeshField3d>();
for (int i = 0; i < t.Count; i++)
{
var currentField = MeshField3d.Double.Create(mesh[i].ToHeMesh());
double[] currentBlend = new double[currentField.Mesh.Vertices.Count];
Parallel.For(0, currentField.Mesh.Vertices.Count, j =>
{
currentBlend[j] = SlurMath.Lerp(f0.ValueAt(currentField.Mesh.Vertices[j].Position),
f1.ValueAt(currentField.Mesh.Vertices[j].Position), t[i]);
});
currentField.Set(currentBlend);
fields.Add(currentField);
}
DA.SetDataList(0, fields);
}
/// <summary>
///
/// </summary>
void UpdateMaxLengths(bool parallel = false)
{
var lengthRange = _settings.LengthRange;
// set length targets to default if no field
if (_lengthField == null)
{
var min = lengthRange.Min;
for (int i = 0; i < _hedges.Count; i += 2)
{
_hedges[i].MaxLength = min;
}
return;
}
// evaluate field
Action <Tuple <int, int> > body = range =>
{
for (int i = range.Item1; i < range.Item2; i++)
{
var he = _hedges[i << 1];
if (he.IsRemoved)
{
continue;
}
var p = (he.Start.Position + he.End.Position) * 0.5;
he.MaxLength = lengthRange.Evaluate(_lengthField.ValueAt(p));
}
};
if (parallel)
{
Parallel.ForEach(Partitioner.Create(0, _hedges.Count >> 1), body);
}
else
{
body(Tuple.Create(0, _hedges.Count >> 1));
}
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="field"></param>
/// <param name="other"></param>
/// <param name="parallel"></param>
public static void Sample <T>(this ISampledField3d <T> field, IField3d <T> other, bool parallel = false)
{
if (parallel)
{
Parallel.ForEach(Partitioner.Create(0, field.Count), range => Body(range.Item1, range.Item2));
}
else
{
Body(0, field.Count);
}
void Body(int from, int to)
{
var vals = field.Values;
for (int i = from; i < to; i++)
{
vals[i] = other.ValueAt(field.PointAt(i));
}
}
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <typeparam name="U"></typeparam>
/// <param name="field"></param>
/// <param name="other"></param>
/// <param name="converter"></param>
/// <param name="parallel"></param>
public static void Sample <T, U>(this IDiscreteField3d <T> field, IField3d <U> other, Func <U, T> converter, bool parallel = false)
{
if (parallel)
{
Parallel.ForEach(Partitioner.Create(0, field.Count), range => Body(range.Item1, range.Item2));
}
else
{
Body(0, field.Count);
}
void Body(int from, int to)
{
var vals = field.Values;
for (int i = from; i < to; i++)
{
vals[i] = converter(other.ValueAt(field.CoordinateAt(i)));
}
}
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <typeparam name="U"></typeparam>
/// <param name="field"></param>
/// <param name="other"></param>
/// <param name="converter"></param>
/// <param name="parallel"></param>
public static void Sample <T, U>(this IDiscreteField3d <T> field, IField3d <U> other, Func <U, T> converter, bool parallel = false)
{
var vals = field.Values;
Action <Tuple <int, int> > body = range =>
{
for (int i = range.Item1; i < range.Item2; i++)
{
vals[i] = converter(other.ValueAt(field.CoordinateAt(i)));
}
};
if (parallel)
{
Parallel.ForEach(Partitioner.Create(0, field.Count), body);
}
else
{
body(Tuple.Create(0, field.Count));
}
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
IField3d <double> f = null;
Mesh mesh = null;
List <Color> colors = new List <Color>();
if (!DA.GetData(0, ref mesh))
{
return;
}
if (!DA.GetData(1, ref f))
{
return;
}
if (!DA.GetDataList(2, colors))
{
return;
}
mesh.ColorVertices(i => { return(colors.Lerp(f.ValueAt(mesh.Vertices[i]))); }, true);
DA.SetData(0, mesh);
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="transform"></param>
/// <param name="other"></param>
/// <returns></returns>
public static IField3d <T> CreateTransformed <T>(IField3d <T> other, Transform3d transform)
{
transform.Invert();
return(Create(p => other.ValueAt(transform.Apply(p))));
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
double tolerance = 1d;
Mesh mesh = null;
IField3d <double> f = null;
double iso = 0d;
if (!DA.GetData(0, ref mesh))
{
return;
}
if (!DA.GetData(1, ref f))
{
return;
}
if (!DA.GetData(2, ref tolerance))
{
return;
}
if (!DA.GetData(3, ref iso))
{
return;
}
var lines = new List <LineCurve>();
Parallel.For(0, mesh.Faces.Count, i =>
{
Point3d p0 = mesh.Vertices[mesh.Faces[i].A];
Point3d p1 = mesh.Vertices[mesh.Faces[i].B];
Point3d p2 = mesh.Vertices[mesh.Faces[i].C];
double t0 = f.ValueAt(mesh.Vertices[mesh.Faces[i].A]);
double t1 = f.ValueAt(mesh.Vertices[mesh.Faces[i].B]);
double t2 = f.ValueAt(mesh.Vertices[mesh.Faces[i].C]);
int mask = 0;
if (t0 >= iso)
{
mask |= 1;
}
if (t1 >= iso)
{
mask |= 2;
}
if (t2 >= iso)
{
mask |= 4;
}
switch (mask)
{
case 1:
lines.Add(DrawLine(p0, p1, p2, Normalize(t0, t1, iso), Normalize(t0, t2, iso)));
break;
case 2:
lines.Add(DrawLine(p1, p2, p0, Normalize(t1, t2, iso), Normalize(t1, t0, iso)));
break;
case 3:
lines.Add(DrawLine(p2, p0, p1, Normalize(t2, t0, iso), Normalize(t2, t1, iso)));
break;
case 4:
lines.Add(DrawLine(p2, p0, p1, Normalize(t2, t0, iso), Normalize(t2, t1, iso)));
break;
case 5:
lines.Add(DrawLine(p1, p2, p0, Normalize(t1, t2, iso), Normalize(t1, t0, iso)));
break;
case 6:
lines.Add(DrawLine(p0, p1, p2, Normalize(t0, t1, iso), Normalize(t0, t2, iso)));
break;
}
});
DA.SetDataList(0, Curve.JoinCurves(lines, tolerance));
}
/// <inheritdoc />
public void Calculate(ReadOnlyArrayView <Body> bodies)
{
_delta = _field.ValueAt(bodies[_index].Position.Current) * Strength;
}
/// <summary>
///
/// </summary>
/// <param name="f0"></param>
/// <param name="f1"></param>
/// <returns></returns>
public static IField3d <double> CreateDifference(IField3d <double> f0, IField3d <double> f1)
{
return(Create(p => DistanceFunctions.Difference(f0.ValueAt(p), f1.ValueAt(p))));
}
/// <summary>
///
/// </summary>
/// <param name="func"></param>
/// <param name="grad"></param>
/// <returns></returns>
public static FuncField3d <double> CreateDistanceToApprox(IField3d <double> function, IField3d <Vec3d> gradient, double threshold)
{
// impl ref
// http://www.iquilezles.org/www/articles/distance/distance.htm
return(Create(p => (function.ValueAt(p) - threshold) / (gradient.ValueAt(p).Length + SlurMath.ZeroTolerance)));
}
/// <summary>
///
/// </summary>
/// <param name="f0"></param>
/// <param name="f1"></param>
/// <returns></returns>
public static FuncField3d <double> CreateIntersection(IField3d <double> f0, IField3d <double> f1)
{
return(Create(p => SDFUtil.Intersection(f0.ValueAt(p), f1.ValueAt(p))));
}
/// <summary>
///
/// </summary>
/// <param name="f0"></param>
/// <param name="f1"></param>
/// <returns></returns>
public static FuncField3d <double> CreateDifference(IField3d <double> f0, IField3d <double> f1)
{
return(Create(p => SDFUtil.Difference(f0.ValueAt(p), f1.ValueAt(p))));
}
/// <summary>
///
/// </summary>
/// <param name="f0"></param>
/// <param name="f1"></param>
/// <returns></returns>
public static IField3d <double> CreateIntersection(IField3d <double> f0, IField3d <double> f1)
{
return(Create(p => DistanceFunctions.Intersection(f0.ValueAt(p), f1.ValueAt(p))));
}
/// <inheritdoc />
public void Calculate(IReadOnlyList <IBody> bodies)
{
_handle.Delta = _field.ValueAt(bodies[_handle].Position) * Strength;
}