/// <summary>
/// The vertical slant offset of the wall, if it exists.
/// </summary>
/// <param name="wallElement">The wall element.</param>
/// <returns>The one angle, if it exists, or null otherwise.</returns>
public double?GetUniformSlantAngle(Wall wallElement)
{
WallCrossSectionInfo crossSectionInfo = GetCrossSectionInfo(wallElement);
if (crossSectionInfo == null)
{
return(null);
}
return(crossSectionInfo.GetUniformSlantAngle());
}
/// <summary>
/// Get the cross section information for a particular wall.
/// Will create the information if it doesn't exist.
/// </summary>
/// <param name="wallElement">The wall element.</param>
/// <returns>
/// The cross section information for a particular wall, or null if invalid.
/// </returns>
public WallCrossSectionInfo GetCrossSectionInfo(Wall wallElement)
{
if (wallElement == null)
{
return(null);
}
WallCrossSectionInfo crossSectionInfo = null;
ElementId wallId = wallElement.Id;
if (!CrossSectionCache.TryGetValue(wallId, out crossSectionInfo))
{
crossSectionInfo = WallCrossSectionInfo.Create(wallElement);
CrossSectionCache[wallId] = crossSectionInfo;
}
return(crossSectionInfo);
}