/// <summary>
/// Processes an IfcGridAxis object.
/// </summary>
/// <param name="ifcGridAxis">The IfcGridAxis handle.</param>
/// <returns>The IFCGridAxis object.</returns>
public static IFCGridAxis ProcessIFCGridAxis(IFCAnyHandle ifcGridAxis)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(ifcGridAxis))
{
Importer.TheLog.LogNullError(IFCEntityType.IfcGridAxis);
return(null);
}
IFCEntity gridAxis;
if (!IFCImportFile.TheFile.EntityMap.TryGetValue(ifcGridAxis.StepId, out gridAxis))
{
try
{
gridAxis = new IFCGridAxis(ifcGridAxis);
}
catch (Exception ex)
{
Importer.TheLog.LogError(ifcGridAxis.StepId, ex.Message, false);
return(null);
}
}
return(gridAxis as IFCGridAxis);
}
private int FindMatchingGrid(IFCGridAxis gridAxis, ref IList <Curve> curves, ref int curveCount)
{
IList <Curve> otherCurves = gridAxis.AxisCurve.GetCurves();
int id = gridAxis.Id;
return(FindMatchingGrid(otherCurves, id, ref curves, ref curveCount));
}
private IList <IFCGridAxis> ProcessOneAxis(IFCAnyHandle ifcGrid, string axisName)
{
IList <IFCGridAxis> gridAxes = new List <IFCGridAxis>();
List <IFCAnyHandle> ifcAxes = IFCAnyHandleUtil.GetAggregateInstanceAttribute <List <IFCAnyHandle> >(ifcGrid, axisName);
if (ifcAxes != null)
{
foreach (IFCAnyHandle axis in ifcAxes)
{
IFCGridAxis gridAxis = IFCGridAxis.ProcessIFCGridAxis(axis);
if (gridAxis != null)
{
if (gridAxis.DuplicateAxisId == -1)
{
gridAxes.Add(gridAxis);
}
else
{
IFCEntity originalEntity;
if (IFCImportFile.TheFile.EntityMap.TryGetValue(gridAxis.DuplicateAxisId, out originalEntity))
{
IFCGridAxis originalGridAxis = originalEntity as IFCGridAxis;
if (originalGridAxis != null)
{
gridAxes.Add(originalGridAxis);
}
}
}
}
}
}
return(gridAxes);
}
/// <summary>
/// Processes IfcGridAxis attributes.
/// </summary>
/// <param name="ifcGridAxis">The IfcGridAxis handle.</param>
protected override void Process(IFCAnyHandle ifcGridAxis)
{
base.Process(ifcGridAxis);
AxisTag = IFCImportHandleUtil.GetOptionalStringAttribute(ifcGridAxis, "AxisTag", null);
IFCAnyHandle axisCurve = IFCImportHandleUtil.GetRequiredInstanceAttribute(ifcGridAxis, "AxisCurve", true);
AxisCurve = IFCCurve.ProcessIFCCurve(axisCurve);
bool found = false;
bool sameSense = IFCImportHandleUtil.GetRequiredBooleanAttribute(ifcGridAxis, "SameSense", out found);
SameSense = found ? sameSense : true;
// We are going to check if this grid axis is a vertical duplicate of any existing axis.
// If so, we will throw an exception so that we don't create duplicate grids.
// We will only initialize these values if we actually intend to use them below.
IList <Curve> curves = null;
int curveCount = 0;
ElementId gridId = ElementId.InvalidElementId;
if (Importer.TheCache.GridNameToElementMap.TryGetValue(AxisTag, out gridId))
{
Grid grid = IFCImportFile.TheFile.Document.GetElement(gridId) as Grid;
if (grid != null)
{
IList <Curve> otherCurves = new List <Curve>();
Curve gridCurve = grid.Curve;
if (gridCurve != null)
{
otherCurves.Add(gridCurve);
int matchingGridId = FindMatchingGrid(otherCurves, grid.Id.IntegerValue, ref curves, ref curveCount);
if (matchingGridId != -1)
{
Importer.TheCache.UseGrid(grid);
CreatedElementId = grid.Id;
return;
}
}
}
}
IDictionary <string, IFCGridAxis> gridAxes = IFCImportFile.TheFile.IFCProject.GridAxes;
IFCGridAxis gridAxis = null;
if (gridAxes.TryGetValue(AxisTag, out gridAxis))
{
int matchingGridId = FindMatchingGrid(gridAxis, ref curves, ref curveCount);
if (matchingGridId != -1)
{
DuplicateAxisId = matchingGridId;
return;
}
}
gridAxes.Add(new KeyValuePair <string, IFCGridAxis>(AxisTag, this));
}
/// <summary>
/// Processes an IfcGridAxis object.
/// </summary>
/// <param name="ifcGridAxis">The IfcGridAxis handle.</param>
/// <returns>The IFCGridAxis object.</returns>
public static IFCGridAxis ProcessIFCGridAxis(IFCAnyHandle ifcGridAxis)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(ifcGridAxis))
{
IFCImportFile.TheLog.LogNullError(IFCEntityType.IfcGridAxis);
return null;
}
IFCEntity gridAxis;
if (!IFCImportFile.TheFile.EntityMap.TryGetValue(ifcGridAxis.StepId, out gridAxis))
{
try
{
gridAxis = new IFCGridAxis(ifcGridAxis);
}
catch
{
return null;
}
}
return (gridAxis as IFCGridAxis);
}
private int FindMatchingGrid(IFCGridAxis gridAxis, ref IList<Curve> curves, ref int curveCount)
{
IList<Curve> otherCurves = gridAxis.AxisCurve.GetCurves();
int id = gridAxis.Id;
return FindMatchingGrid(otherCurves, id, ref curves, ref curveCount);
}
