void StreamCollectMaterialsSample()
{
Database db = GetDatabase();
Editor editor = GetEditor();
editor.WriteMessage("* StreamCollectMaterials *\n");
editor.WriteMessage("StreamCollectMaterials collects bodies of the specified materials from the entities pushed into the stream.\n");
editor.WriteMessage("Pick some objects in the current drawing. The bodies with materials specifed will be highlighted. And bodies with the same material are displayed in one color.\n");
StreamCollectMaterials stream = new StreamCollectMaterials(db);
// StreamCollectMaterials needs the users to specify the materials they're interested in by setting the MaterialFilter property.
// Here we add all the material ids in the current drawing to the filter collection.
DictionaryMaterialDefinition dictMaterials = new DictionaryMaterialDefinition(db);
stream.MaterialFilter = dictMaterials.Records;
// To combine the bodies with the same material instead of traversing the body chain
stream.CombineBodies = true;
ObjectIdCollection ids = PickObjectSet();
if (ids.Count == 0)
{
editor.WriteMessage("No object is picked\n");
return;
}
TransactionManager tm = db.TransactionManager;
using (Transaction trans = tm.StartTransaction())
{
stream.PushDisplayParameters(DictionaryDisplayConfiguration.GetStandardDisplayConfiguration(db), trans);
foreach (ObjectId id in ids)
{
Entity entity = trans.GetObject(id, OpenMode.ForRead) as Entity;
stream.Stream(entity);
}
stream.PopDisplayParameters();
trans.Commit();
}
ids = stream.MaterialIds;
int color = 1;
foreach (ObjectId id in ids)
{
AecModeler.Body body = stream.GetBody(id);
HighlightBody(body, color++);
}
}
/// <summary>
/// Create a material style and override the display properties of this style.
/// Use Stylemanager to see the overrided display properties.
/// </summary>
public void DisplayPropertiesMaterialSample()
{
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("====================================================");
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("\nDisplay Properties for Material Sample:\n");
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("====================================================\n");
Database db = Application.DocumentManager.MdiActiveDocument.Database;
//MaterialUtility.
TransactionManager tm = db.TransactionManager;
Transaction trans = tm.StartTransaction();
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
Autodesk.Aec.DatabaseServices.Dictionary dict = new DictionaryMaterialDefinition(db);
MaterialDefinition materialDefinition = null;
try
{
string name = "ACADotNetMaterialDefination";
string description = "Material def created through .NET API";
if (!dict.Has(name, trans))
{
materialDefinition = dict.NewEntry() as MaterialDefinition;
materialDefinition.Description = description;
dict.AddNewRecord(name, materialDefinition);
trans.AddNewlyCreatedDBObject(materialDefinition, true);
}
else
{
materialDefinition = trans.GetObject(dict.GetAt(name), OpenMode.ForWrite) as MaterialDefinition;
}
DisplayPropertiesMaterial materialProperties = new DisplayPropertiesMaterial();
materialProperties.SubSetDatabaseDefaults(db);
materialProperties.SetToStandard(db);
ObjectId materialId = AddMaterial("wood");
materialProperties.SurfaceRenderingMaterialId = materialId;
materialProperties.SectionRenderingMaterialId = materialId;
materialProperties.SectionedBodyRenderingMaterialId = materialId;
DisplayComponentHatch displayComponentHatch = new DisplayComponentHatch();
materialProperties.SurfaceHatch.HatchType = HatchType.UserDefined;
materialProperties.SurfaceHatch.PatternName = "NETAPITESTPatternName";
materialProperties.SurfaceHatch.Angle = 90.0;
ObjectId dispMaterialId = Override.AddToOverrideExtensionDictionaryAndClose(materialDefinition, materialProperties);
DisplayRepresentationManager displayManager = new DisplayRepresentationManager(db);
ObjectIdCollection ids = displayManager.GetDisplayRepresentationIdsFromCurrentViewport(RXObject.GetClass(typeof(MaterialDefinition)));
ObjectId idActiveDispRep = ids[0];
OverrideDisplayProperties overrideProperties = new OverrideDisplayProperties();
overrideProperties.ViewId = idActiveDispRep;
overrideProperties.DisplayPropertyId = dispMaterialId;
materialDefinition.Overrides.Add(overrideProperties);
trans.Commit();
ed.WriteMessage("\n" +
"One new style for material \"ACADotNetMaterialDefination\"is created and the display properties are overrided.\n" +
"Use StyleManager to see the settings."
+ "\n");
}
catch (System.Exception e)
{
trans.Abort();
ed.WriteMessage("\n" + e.Message + "\n");
return;
}
}
