private IfcShapeRepresentation CreateShapeRepresentation(IfcRepresentationContext context,
Representation representation)
{
//create presentation styles
var presentationStyleDictionary = new Dictionary <String, IfcPresentationStyle>();
foreach (Material material in representation.materials)
{
try
{
presentationStyleDictionary.Add(material.id,
IfcInit.CreateSurfaceStyle(material.name,
material.color,
material.metal,
material.roughness));
}
catch (ArgumentException ex)
{
throw new ArgumentException(string.Format("Material with id {0} already exists", material.id),
"materials", ex);
}
}
//create representation items
var representationItemList = new List <IfcRepresentationItem>();
foreach (RepresentationItem item in representation.representationItems)
{
IfcRepresentationItem representationItem;
try
{
representationItem = RepresentationParser.ParseConstructionString(item.constructionString);
}
catch (ArgumentException ex)
{
var errors = new Dictionary <string, string[]>();
errors.Add(ex.ParamName, new string[] { ex.Message });
throw new ValidationException(errors, ex.Message);
}
if (item.transformation != null)
{
representationItem.ApplyQuaternion(new Quaternion(item.transformation.rotation))
.Translate(item.transformation.translation);
}
if (item.material != null)
{
IfcPresentationStyle surfaceStyle;
if (presentationStyleDictionary.TryGetValue(item.material, out surfaceStyle))
{
representationItem.StyledBy(new IfcPresentationStyle[] { surfaceStyle });
}
}
representationItemList.Add(representationItem);
}
return(new IfcShapeRepresentation(context,
new IfcLabel("Body"),
new IfcLabel("SolidModel"),
representationItemList.ToArray()));
}