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Презентация на тему Navisworks API. Training. Model. (Lab 4)

Model and ModelItem Attributes of Model Item Geometry Agenda
Lab 4 – ModelNavisworks API Training Model and ModelItem Attributes of Model Item Geometry   Agenda Model and ModelItem  Root ItemModel ItemModel Item Hierarchy:SelfChildren DecedentsAncestorsModel Represent a node in selection tree of UIsame information like UI are Get specific model in the documentGet root Item of a modelQuery property Demo: Hierarchy of Model Tree  private void recursTree(){  Document oDoc Document.CurrentSelection Store collection of model items that are selectedModelItemCollectionCurrent Selection  //Get ModelGeometry Represents the geometry node in the Hierarchy No primitives information Need Bounding Box BoundingBox3D Extents which aligns 3D AxisIdentifies a cuboid-shaped bounded area Where Clause Deeper searchCommon search  Search API : (see Lab [Search]) Attributes of Model Item Geometry  Native attributes from original CAD file When we say Color ModelGeometry.ActiveColorCurrent (visible) color for this geometry ModelGeometry.OriginalColorOriginal color for this geometry Transparency ModelGeometry.ActiveTransparencyCurrent (visible) transparency for this geometry ModelGeometry.OriginalTransparencyOriginal transparency for this geometry TransformModelGeometry.ActiveTransform Currently active transform of the geometry ModelGeometry.OriginalTransform Original transform of the Hide Object DocumentModels. SetHidden Set visible or invisible //build a collection of Override Native Attributes of Unselected Items Challenge: parent and ancestors of selected Reset Attributes DocumentModels.ResetAllPermanentMaterials reset the status all items since last saving (color ExerciseCreate a plugin Ask the user to select some items.Find other items
Слайды презентации

Слайд 2 Model and ModelItem



Attributes of Model Item Geometry

Model and ModelItem Attributes of Model Item Geometry  Agenda



Agenda


Слайд 3 Model and ModelItem


Root Item

Model Item

Model Item Hierarchy:
Self
Children

Model and ModelItem Root ItemModel ItemModel Item Hierarchy:SelfChildren DecedentsAncestorsModel


Decedents
Ancestors
Model


Слайд 4 Represent a node in selection tree of UI
same

Represent a node in selection tree of UIsame information like UI

information like UI are available
IsHidden, IsCollection, IsComposite, DisplayName
Store the

properties
PropertyCategories (see Lab [Properties])
Hierarchy
Ancestors: All ancestors of this item (excluding item itself) within the model hierarchy
AncestorsAndSelf : All ancestors of this item (including item itself) within the model hierarchy
Children: Children of this item within the model hierarchy (first level of child )
Descendants: All descendants of this item (excluding item itself) within the model hierarchy
DescendantsAndSelf :All descendants of this item (including item itself) within the model hierarchy


ModelItem


Слайд 5 Get specific model in the document

Get root Item

Get specific model in the documentGet root Item of a modelQuery

of a model

Query property of model item





Querying Model
Model

model = doc.Models[0];

ModelItem root = model.RootItem;

bool is_hidden = root.IsHidden;


Слайд 6 Demo: Hierarchy of Model Tree
private void recursTree()
{

Demo: Hierarchy of Model Tree private void recursTree(){ Document oDoc =

Document oDoc = Autodesk.Navisworks.Api.Application.ActiveDocument;
ModelItem rootItem =

oDoc.Models[0].RootItem;
//rootItem.DisplayName_
//recurs from root item
recursModel(rootItem);
}_

// recurs function
private void recursModel(ModelItem oParentModItem)
{
foreach (ModelItem oSubModItem in oParentModItem.Children)
{
//Dump information of this item such as :
//oSubModItem.DisplayName
//recurs the children of this item
recursModel(oSubModItem);
}
}

Слайд 7 Document.CurrentSelection
Store collection of model items that are

Document.CurrentSelection Store collection of model items that are selectedModelItemCollectionCurrent Selection //Get

selected
ModelItemCollection









Current Selection
//Get current selection
ModelItemCollection oModelColl= doc.CurrentSelection.SelectedItems;
//create a collection

add the 9th item of the tree to the collection
ModelItemCollection oNewItems = new ModelItemCollection();
oItems.Add(doc.Models.First.RootItem.Children.ElementAt(9));

//iterate over the selected Items
foreach (ModelItem item in Autodesk.Navisworks.Api.Application.ActiveDocument.
CurrentSelection.SelectedItems)
{
//Add the children of the selected item to a new collection
newCollection.AddRange(item.Children);
}

//iterate over the selected Items
foreach (ModelItem item in Autodesk.Navisworks.Api.Application.ActiveDocument.
CurrentSelection.SelectedItems)
{
//Add the Descendants of the selected item to a new collection
newCollection.AddRange(item.Descendants);
}


Слайд 8 ModelGeometry
Represents the geometry node in the Hierarchy

No

ModelGeometry Represents the geometry node in the Hierarchy No primitives information

primitives information
Need use COM API (see Lab [COM

Interop])

ModelItem.Geometry
Geometry for this item, null if it does not have geometry
ModelItem.HasGeometry





Слайд 9 Bounding Box
BoundingBox3D
Extents which aligns 3D Axis
Identifies a

Bounding Box BoundingBox3D Extents which aligns 3D AxisIdentifies a cuboid-shaped bounded

cuboid-shaped bounded area in 3D space
ModelGeometry.BoundingBox
extents of a model

item
ModelItemCollection.BoundingBox
bounding box of all items contained in the collection

// check if the bounding box of two items are intersected
ModelItemCollection oSelItems = doc.CurrentSelection.SelectedItems;
ModelItem oItem1 = oSelItems.ElementAt(0);
ModelItem oItem2 = oSelItems.ElementAt(1);
bool isIntersect = oItem1.Geometry.BoundingBox.Intersects(
oItem2.Geometry.BoundingBox);


Слайд 10 Where Clause
Deeper search
Common search




Search API

Where Clause Deeper searchCommon search  Search API : (see Lab

: (see Lab [Search])




//from root item,

find those items that has geometry and is required.
IEnumerable items =
doc.Models.First.RootItem.Descendants.
Where(x => x.HasGeometry && x.IsRequired);

Слайд 11 Attributes of Model Item Geometry
Native attributes from original

Attributes of Model Item Geometry Native attributes from original CAD file

CAD file
Apply to model geometry node
Transforms: translation, rotation,

and scale
Appearance: color and transparency
Attributes in Navisworks scene view
Hidden, Required
.NET API
Can access/modify appearance and transforms
Can access/modify hidden, required







Слайд 12 When we say "override attributes", it is to

When we say

override data of "permanent“.
Native Attributes Status
Open File
Original Color =

White
Active Color = White
Permanent Color = White

Override Color to Red
Original Color = White
Active Color = Red
Permanent Color = Red

Not Save File, Reset
Original Color = White
Active Color = White
Permanent Color = White

After Save File,
Override Color to Green
Original Color = Red
Active Color = Green
Permanent Color = Green

Not Save File, Reset
Original Color = Red
Active Color = Red
Permanent Color = Red






Слайд 13 Color
ModelGeometry.ActiveColor
Current (visible) color for this geometry
ModelGeometry.OriginalColor
Original color

Color ModelGeometry.ActiveColorCurrent (visible) color for this geometry ModelGeometry.OriginalColorOriginal color for this

for this geometry (as specified by design file)
ModelGeometry.PermanentColor


Permanent color for geometry. Either original color or color explicitly overridden by user
DocumentModels.OverridePermanentColor
Override the permanent color of all ModelGeometry descendants of items.
Color class
Represents a color as three floating-point components (r,g,b) with a normal range 0.0 to 1.0





//change the color of selected items to red
doc.Models.OverridePermanentColor(doc.CurrentSelection.SelectedItems, Color.Red);


Слайд 14 Transparency
ModelGeometry.ActiveTransparency
Current (visible) transparency for this geometry
ModelGeometry.OriginalTransparency
Original transparency

Transparency ModelGeometry.ActiveTransparencyCurrent (visible) transparency for this geometry ModelGeometry.OriginalTransparencyOriginal transparency for this

for this geometry (as specified by design file)
ModelGeometry.PermanentTransparency


Permanent transparency for geometry. Either original color or color explicitly overridden by user
DocumentModels.OverridePermanentTransparency
Override the permanent transparency of all ModelGeometry descendants of items.
Range: 0.0-1.0





//change the transparency of the current selection to 0.5
doc.Models.OverridePermanentTransparency( doc.CurrentSelection.SelectedItems,0.5);


Слайд 15 Transform
ModelGeometry.ActiveTransform
Currently active transform of the geometry
ModelGeometry.OriginalTransform

TransformModelGeometry.ActiveTransform Currently active transform of the geometry ModelGeometry.OriginalTransform Original transform of


Original transform of the geometry when it was loaded


ModelGeometry.PermanentOverrideTransform
Transform applied to the original transform of the model geometry
DocumentModels.OverridePermanentTransform
Apply an incremental transformation of all ModelGeometry descendants
Transform3D: generic transform in 3D space. Provide static methods of translation, roation





Document doc = Autodesk.Navisworks.Api.Application.MainDocument; 
// current selection
ModelItemCollection coll = doc.CurrentSelection.SelectedItems; 
//build a vector for moving, along
Vector3D oNewVector3d = new Vector3D(1, 1, 0); 
// orthogonal transforms + translation
//build an identity matrix which represents orthogonal transforms
Matrix3 oNewIndentityM = new Matrix3();
 
//create a transform from a matrix with a vector.
Transform3D oNewOverrideTrans = new Transform3D(oNewIndentityM, oNewVector3d);
//override the transformation of the selection
doc.Models.OverridePermanentTransform(coll, oNewOverrideTrans, true);


Слайд 16 Hide Object
DocumentModels. SetHidden
Set visible or invisible







//build

Hide Object DocumentModels. SetHidden Set visible or invisible //build a collection

a collection of model items
ModelItemCollection hidden = new ModelItemCollection();
//add

current selected items and all of their descendants to the collection
hidden.AddRange(oDoc.CurrentSelection.SelectedItems);
//hide all of them
oDoc.Models.SetHidden(hidden, true);

Слайд 17 Override Native Attributes of Unselected Items
Challenge: parent

Override Native Attributes of Unselected Items Challenge: parent and ancestors of

and ancestors of selected item are not selected.
Cannot

override attributes of parent and ancestors, otherwise, the item itself will be overridden.
Must filter out all those items








Way1: Traverse and filter out item one by one. See this blog
Way2: ModelItemCollection.Invert


Слайд 18 Reset Attributes
DocumentModels.ResetAllPermanentMaterials
reset the status all items since

Reset Attributes DocumentModels.ResetAllPermanentMaterials reset the status all items since last saving

last saving (color and transparency)
DocumentModels.ResetPermanentMaterials
reset the

status specific items since last saving (color and transparency)
DocumentModels. ResetAllPermanentTransforms
reset the status all items since last saving
DocumentModelsResetPermanentTransform
reset the status specific items since last saving
DocumentModels.ResetAllHidden
reset the status all items status of hidden



//reset appearance of selected items
doc.Models.ResetPermanentMaterials(doc.CurrentSelection.SelectedItems);
//reset transform of selected items
doc.Models.ResetPermanentTransform(doc.CurrentSelection.SelectedItems);
//reset hidden status of all items
doc.Models.ResetAllHidden();


Слайд 19 Exercise
Create a plugin
Ask the user to select

ExerciseCreate a plugin Ask the user to select some items.Find other

some items.
Find other items whose boundingbox intersect with that

of the selected items.
Highlight other items as well

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