/// <summary>
/// Get the first curve associated to this IfcGridAxis.
/// </summary>
/// <returns>The first curve, or null if there isn't one.</returns>
/// <remarks>This expected IfcGridAxis to have only one associated curve, but
/// will warn and return the first curve if there is more than one.</remarks>
private Curve GetAxisCurve()
{
if (!IsValidForCreation)
{
return(null);
}
IsValidForCreation = false;
if (AxisCurve == null)
{
Importer.TheLog.LogError(Id, "Couldn't find axis curve for grid line, ignoring.", false);
return(null);
}
IList <Curve> curves = AxisCurve.GetCurves();
int numCurves = curves.Count;
if (numCurves == 0)
{
Importer.TheLog.LogError(AxisCurve.Id, "Couldn't find axis curve for grid line, ignoring.", false);
return(null);
}
if (numCurves > 1)
{
Importer.TheLog.LogError(AxisCurve.Id, "Found multiple curve segments for grid line, ignoring all but first.", false);
}
IsValidForCreation = true;
return(curves[0]);
}
protected override void setJSON(JObject obj, BaseClassIfc host, SetJsonOptions options)
{
base.setJSON(obj, host, options);
setAttribute(obj, "AxisTag", AxisTag);
obj["AxisCurve"] = AxisCurve.getJson(this, options);
obj["SameSense"] = SameSense;
}
internal override void SetXML(XmlElement xml, BaseClassIfc host, HashSet <int> processed)
{
base.SetXML(xml, host, processed);
if (mAxisTag != "$")
{
xml.SetAttribute("AxisTag", mAxisTag);
}
xml.SetAttribute("SameSense", mSameSense.ToString().ToLower());
xml.AppendChild(AxisCurve.GetXML(xml.OwnerDocument, "AxisCurve", this, processed));
}
public override string GetStepParameters()
{
var parameters = new List <string>();
parameters.Add(AxisTag != null ? AxisTag.ToStepValue() : "$");
parameters.Add(AxisCurve != null ? AxisCurve.ToStepValue() : "$");
parameters.Add(SameSense != null ? SameSense.ToStepValue() : "$");
return(string.Join(", ", parameters.ToArray()));
}
private int FindMatchingGrid(IList <Curve> otherCurves, int id, ref IList <Curve> curves, ref int curveCount)
{
if (curves == null)
{
curves = AxisCurve.GetCurves();
curveCount = curves.Count;
}
// Check that the base curves are the same type.
int otherCurveCount = otherCurves.Count;
if (curveCount != otherCurveCount)
{
return(-1);
}
bool sameCurves = true;
for (int ii = 0; (ii < curveCount) && sameCurves; ii++)
{
if ((curves[ii] is Line) && (otherCurves[ii] is Line))
{
sameCurves = AreLinesEqual(curves[ii] as Line, otherCurves[ii] as Line);
}
else if ((curves[ii] is Arc) && (otherCurves[ii] is Arc))
{
sameCurves = AreArcsEqual(curves[ii] as Arc, otherCurves[ii] as Arc);
}
else
{
// No supported.
sameCurves = false;
}
}
return(sameCurves ? id : -1);
}
internal Curve Curve(double tol)
{
Curve c = AxisCurve.Curve(tol);
if (c == null)
{
return(null);
}
IfcGrid grid = mPartOfU;
if (grid == null)
{
grid = mPartOfV;
}
if (grid == null)
{
grid = mPartOfW;
}
if (grid != null)
{
c.Transform(grid.PlacementTransform());
}
return(c);
}
/// <summary>
/// Creates or populates Revit elements based on the information contained in this class.
/// </summary>
/// <param name="doc">The document.</param>
/// <param name="lcs">The local coordinate system transform.</param>
public void Create(Document doc, Transform lcs)
{
if (!IsValidForCreation)
{
return;
}
// These are hardwired values to ensure that the Grid is visible in the
// current view, in feet. Note that there is an assumption that building stories
// would not be placed too close to one another; if they are, and they use different
// grid structures, then the plan views may have overlapping grid lines. This seems
// more likely in theory than practice.
const double bottomOffset = -1.0 / 12.0; // 1" = 2.54 cm
const double topOffset = 4.0; // 4' = 121.92 cm
double originalZ = (lcs != null) ? lcs.Origin.Z : 0.0;
if (CreatedElementId != ElementId.InvalidElementId)
{
Grid existingGrid = doc.GetElement(CreatedElementId) as Grid;
if (existingGrid != null)
{
Outline outline = existingGrid.GetExtents();
existingGrid.SetVerticalExtents(Math.Min(originalZ - bottomOffset, outline.MinimumPoint.Z),
Math.Max(originalZ + topOffset, outline.MaximumPoint.Z));
}
return;
}
if (AxisCurve == null)
{
Importer.TheLog.LogError(Id, "Couldn't find axis curve for grid line, ignoring.", false);
IsValidForCreation = false;
return;
}
IList <Curve> curves = AxisCurve.GetCurves();
int numCurves = curves.Count;
if (numCurves == 0)
{
Importer.TheLog.LogError(AxisCurve.Id, "Couldn't find axis curve for grid line, ignoring.", false);
IsValidForCreation = false;
return;
}
if (numCurves > 1)
{
Importer.TheLog.LogError(AxisCurve.Id, "Found multiple curve segments for grid line, ignoring all but first.", false);
}
Grid grid = null;
Curve curve = curves[0].CreateTransformed(lcs);
if (curve == null)
{
Importer.TheLog.LogError(AxisCurve.Id, "Couldn't create transformed axis curve for grid line, ignoring.", false);
IsValidForCreation = false;
return;
}
if (!curve.IsBound)
{
curve.MakeBound(-100, 100);
Importer.TheLog.LogWarning(AxisCurve.Id, "Creating arbitrary bounds for unbounded grid line.", false);
}
// Grid.create can throw, so catch the exception if it does.
try
{
if (curve is Arc)
{
// This will potentially make a small modification in the curve if it is unbounded,
// as Revit doesn't allow unbounded grid lines.
grid = CreateArcGridAxis(doc, curve as Arc);
}
else if (curve is Line)
{
grid = Grid.Create(doc, curve as Line);
}
else
{
Importer.TheLog.LogError(AxisCurve.Id, "Couldn't create grid line from curve of type " + curve.GetType().ToString() + ", expected line or arc.", false);
IsValidForCreation = false;
return;
}
}
catch (Exception ex)
{
Importer.TheLog.LogError(AxisCurve.Id, ex.Message, false);
IsValidForCreation = false;
return;
}
if (grid != null)
{
SetAxisTagUnique(grid, AxisTag);
// We will try to "grid match" as much as possible to avoid duplicate grid lines. As such,
// we want the remaining grid lines to extend to the current level.
// A limitation here is that if a grid axis in the IFC file were visible on Level 1 and Level 3
// but not Level 2, this will make it visibile on Level 2 also. As above, this seems
// more likely in theory than practice.
grid.SetVerticalExtents(originalZ - bottomOffset, originalZ + topOffset);
CreatedElementId = grid.Id;
}
}
/// <summary>
/// Creates or populates Revit elements based on the information contained in this class.
/// </summary>
/// <param name="doc">The document.</param>
/// <param name="lcs">The local coordinate system transform.</param>
public void Create(Document doc, Transform lcs)
{
if (!IsValidForCreation)
{
return;
}
double originalZ = (lcs != null) ? lcs.Origin.Z : 0.0;
if (CreatedElementId != ElementId.InvalidElementId)
{
return;
}
if (AxisCurve == null)
{
Importer.TheLog.LogError(Id, "Couldn't find axis curve for grid line, ignoring.", false);
IsValidForCreation = false;
return;
}
IList <Curve> curves = AxisCurve.GetCurves();
int numCurves = curves.Count;
if (numCurves == 0)
{
Importer.TheLog.LogError(AxisCurve.Id, "Couldn't find axis curve for grid line, ignoring.", false);
IsValidForCreation = false;
return;
}
if (numCurves > 1)
{
Importer.TheLog.LogError(AxisCurve.Id, "Found multiple curve segments for grid line, ignoring all but first.", false);
}
Grid grid = null;
Curve curve = curves[0].CreateTransformed(lcs);
if (curve == null)
{
Importer.TheLog.LogError(AxisCurve.Id, "Couldn't create transformed axis curve for grid line, ignoring.", false);
IsValidForCreation = false;
return;
}
if (!curve.IsBound)
{
curve.MakeBound(-100, 100);
Importer.TheLog.LogWarning(AxisCurve.Id, "Creating arbitrary bounds for unbounded grid line.", false);
}
// Grid.create can throw, so catch the exception if it does.
try
{
if (curve is Arc)
{
// This will potentially make a small modification in the curve if it is unbounded,
// as Revit doesn't allow unbounded grid lines.
grid = CreateArcGridAxis(doc, curve as Arc);
}
else if (curve is Line)
{
grid = doc.Create.NewGrid(curve as Line);
}
else
{
Importer.TheLog.LogError(AxisCurve.Id, "Couldn't create grid line from curve of type " + curve.GetType().ToString() + ", expected line or arc.", false);
IsValidForCreation = false;
return;
}
}
catch (Exception ex)
{
Importer.TheLog.LogError(AxisCurve.Id, ex.Message, false);
IsValidForCreation = false;
return;
}
if (grid != null)
{
SetAxisTagUnique(grid, AxisTag);
CreatedElementId = grid.Id;
}
}
/// <summary>
/// Creates or populates Revit elements based on the information contained in this class.
/// </summary>
/// <param name="doc">The document.</param>
/// <param name="lcs">The local coordinate system transform.</param>
public void Create(Document doc, Transform lcs)
{
if (!IsValidForCreation)
{
return;
}
double originalZ = (lcs != null) ? lcs.Origin.Z : 0.0;
if (CreatedElementId != ElementId.InvalidElementId)
{
return;
}
if (AxisCurve == null)
{
IFCImportFile.TheLog.LogError(Id, "Couldn't find axis curve for grid line, ignoring.", false);
IsValidForCreation = false;
return;
}
IList <Curve> curves = AxisCurve.GetCurves();
int numCurves = curves.Count;
if (numCurves == 0)
{
IFCImportFile.TheLog.LogError(AxisCurve.Id, "Couldn't find axis curve for grid line, ignoring.", false);
IsValidForCreation = false;
return;
}
if (numCurves > 1)
{
IFCImportFile.TheLog.LogError(AxisCurve.Id, "Found multiple curve segments for grid line, ignoring all but first.", false);
}
Grid grid = null;
Curve curve = curves[0].CreateTransformed(lcs);
if (curve == null)
{
IFCImportFile.TheLog.LogError(AxisCurve.Id, "Couldn't create transformed axis curve for grid line, ignoring.", false);
IsValidForCreation = false;
return;
}
if (curve is Arc)
{
grid = doc.Create.NewGrid(curve as Arc);
}
else if (curve is Line)
{
grid = doc.Create.NewGrid(curve as Line);
}
else
{
IFCImportFile.TheLog.LogError(AxisCurve.Id, "Couldn't create grid line from curve of type " + curve.GetType().ToString() + ", expected line or arc.", false);
IsValidForCreation = false;
}
if (grid != null)
{
if (AxisTag != null)
{
int counter = 1;
do
{
try
{
grid.Name = (counter == 1) ? AxisTag : AxisTag + "-" + counter;
break;
}
catch
{
counter++;
}
}while (counter < 500);
if (counter >= 500)
{
IFCImportFile.TheLog.LogWarning(Id, "Couldn't set name: '" + AxisTag + "' for Grid, reverting to default.", false);
}
}
CreatedElementId = grid.Id;
}
}
