/// <summary>
/// Aplies the slope in a determined FootPrintRoof.
/// </summary>
/// <param name="overhang">The overhang value.</param>
/// <param name="slope">The slope of the roof</param>
/// <param name="slopeDirection">The vector that represents the directions that the slope should be applied.</param>
/// <param name="footPrintRoof">The Roof</param>
/// <param name="footPrintToModelCurveMapping">The ModelCurveArray generated with the roof instance.</param>
private static void ApplySlope(double overhang, double slope, XYZ slopeDirection, FootPrintRoof footPrintRoof, ModelCurveArray footPrintToModelCurveMapping)
{
ModelCurveArrayIterator iterator = footPrintToModelCurveMapping.ForwardIterator();
iterator.Reset();
while (iterator.MoveNext())
{
ModelCurve modelCurve = iterator.Current as ModelCurve;
Curve curve = modelCurve.GeometryCurve;
XYZ curveDirection = VectorManipulator.GetCurveDirection(curve);
if (curveDirection.DotProduct(slopeDirection) == 0)
{
footPrintRoof.set_DefinesSlope(modelCurve, true);
footPrintRoof.set_SlopeAngle(modelCurve, slope);
}
double elevation = -(overhang - UnitUtils.ConvertToInternalUnits(0.1, UnitTypeId.Meters)) / 3;
footPrintRoof.set_Offset(modelCurve, elevation);
}
}
public Result setup_roof()
{
FilteredElementCollector collector = new FilteredElementCollector(doc);
collector.OfClass(typeof(RoofType));
RoofType roofType = collector.FirstElement() as RoofType;
Transaction trans = new Transaction(doc);
string jsonFilePath = @"C:\Users\John\AppData\Roaming\Autodesk\Revit\Addins\2019\data.json";
List <mylevels> items;
List <XYZ[]> coords = new List <XYZ[]>();
using (StreamReader r = new StreamReader(jsonFilePath))
{
string json = r.ReadToEnd();
items = JsonConvert.DeserializeObject <List <mylevels> >(json);
}
List <int> slopes = new List <int>();
int i;
foreach (mylevels l in items)
{
if (l.level == level.Name)
{
dataset = l.sets;
}
}
foreach (mysets s in dataset)
{
if (s.type == "roof")
{
using (trans = new Transaction(doc))
{
trans.Start("roof");
CurveArray footprint = new CurveArray();
Level roof_level = level;
if (s.base_level != null)
{
roof_level = new FilteredElementCollector(doc)
.OfClass(typeof(Level))
.Cast <Level>().FirstOrDefault(q
=> q.Name == s.base_level);
}
walls p = null;
foreach (walls w in s.walls)
{
XYZ a = w.coords[0] is null ?
new XYZ(p.coords[1][0] / 12.0, p.coords[1][1] / 12.0, roof_level.Elevation) :
new XYZ(w.coords[0][0] / 12.0, w.coords[0][1] / 12.0, roof_level.Elevation);
XYZ b = new XYZ(w.coords[1][0] / 12.0, w.coords[1][1] / 12.0, roof_level.Elevation);
Line line = Line.CreateBound(a, b);
footprint.Append(line);
p = w;
}
ModelCurveArray footPrintToModelCurveMapping = new ModelCurveArray();
FootPrintRoof footprintRoof = doc.Create.NewFootPrintRoof(footprint, roof_level, roofType, out footPrintToModelCurveMapping);
ModelCurveArrayIterator iterator = footPrintToModelCurveMapping.ForwardIterator();
iterator.Reset();
i = 0;
while (iterator.MoveNext())
{
ModelCurve modelCurve = iterator.Current as ModelCurve;
if (s.walls[i].define_slope)
{
footprintRoof.set_DefinesSlope(modelCurve, true);
// footprintRoof.set_SlopeAngle(modelCurve, 0.5);
}
if (s.walls[i].roof_offset != 0)
{
footprintRoof.set_Offset(modelCurve, s.walls[i].roof_offset / 12.0);
}
i++;
}
trans.Commit();
}
}
}
return(Result.Succeeded);
}