revit api techniques for managing building data
DESCRIPTION
Revit API Techniques for Managing Building Data. Mario Guttman. Code Examples in C#. Introduction to Building Data - 1. Introduction to Building Data - 2. Commercial Products Affinity ( Trelligence ) Onuma Planning System CodeBook dRofus ( Nosyko ). Introduction to Building Data - 3. - PowerPoint PPT PresentationTRANSCRIPT
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Revit API Techniquesfor
Managing Building Data
Mario Guttman
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Code Examples in C#
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Introduction to Building Data - 1
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Introduction to Building Data - 2
Commercial Products
• Affinity (Trelligence)
• Onuma Planning System
• CodeBook
• dRofus (Nosyko)
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Introduction to Building Data - 3WhiteFeet RevitDbLink
Ribbon Menu and Connection Screen for RevitDbLink Tool
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Revit API Customization
Visual Studio
RestoringSettings
Quick Select Buttons
Visual StudioIntegratedDevelopment Environment (IDE)
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Structuring Data – 1Relational Database Design Tables• Rows and Columns• Keys
Primary
Foreign
Relationships• One-to-Many• Referential Integrity
Normalizing Data
Access Objects and Relationships
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Relational Database
Table Table
Relationship
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Room ID Type Floor Area
10101 Office - A Floor 01 200
20101A Office - B Floor 02 220
20102 Office - B Floor 02 220
30103 Kitchen Floor 03 140
30110 Library Floor 03 230
20111 Lobby Floor 03 400
Rows(Records)
Columns (Fields)
Room Table
Table
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A Primary Key Field uniquely identifies a record.
It must be:
• Not Null
• Unique
Room ID Type Floor Area
10101 Office - A Floor 01 200
20101A Office - B Floor 02 220
20102 Office - B Floor 02 220
30103 Kitchen Floor 03 140
30110 Library Floor 03 230
20111 Lobby Floor 03 400
Room Table
Primary Key Field
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Room ID Type Floor Area
10101 Office - A Floor 01 200
20101A Office - B Floor 02 220
20102 Office - B 220
Floor ID Area
Floor 01 32200
Floor 02 34220
Floor 03 34220
A Foreign Key Field
• Points to the Primary Key of another table.
• May be Null.
• May be a Primary Key.
Room Table
Floor Table
Foreign Key
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Room ID Type Floor Area
10101 Office - A Floor 01 200
20101A Office - B Floor 01 220
20102 Office - B 220
Floor ID Area
Floor 01 32200
Floor 02 34220
Floor 03 34220
A One-to-many Relationship is defined by a Foreign Key.
• A value can only occur once on the “one” side.
• A value may occur many times on the “many side.
1
Room Table
Floor Table
One-to-Many Relationship
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Room ID Type Floor Area
10101 Office - A Floor 01 200
20101A Office - B Floor 01 220
40102 Office - B 220
Floor ID Area
Floor 01 32200
Floor 02 34220
Floor 03 34220
Referential Integrity requires that the “one” side exist before the “many” side is used.
• Changes can be cascaded from the one to the many.
• Deletions can cascade, but will delete the whole record.
1
Cannot use value “Floor 04” here.Room Table
Floor Table
Referential Integrity
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Name Office
Adam Smith Acme Construction
Betty Jones Acme Construction
Clark Kent Best Engineering
Office ID Address
Acme Construction
123 North Main St.Culver City, CA
Best Engineering
2100 Flagship Wy.Sacramento, CA
A table is Not Normalized If it has redundant data.
Contact Table Office Table
Name Office Address
Adam Smith Acme Construction 123 North Main St., Culver City, CA
Betty Jones Acme Construction 123 North Main St., Culver City, CA
Clark Kent Best Engineering 2100 Flagship Wy., Sacramento, CA
Contact Table with Office Addresses
The data can be Normalized by using two tables.
1
Normalizing Data
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Structuring Data - 2
Formalizing theSpace Program• Data From Client
Formatted visually.
Excel or hard-copy.• Program
Characteristics
Room Types.
Organizational Uses.
• Space Program
Type – Use Pairs.
Count each. SpaceProgram
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• RoomsEach room instance.Type – Use that room.
Room List with Types and Uses
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CLIENT REQUIREMENTS(EXCEL WORKSHEET)
SPACE PROGRAM(ACCESS TABLE)
D O C U M E N T:• R E A D A B L E F O R M A T• U N S T R U C T U R E D D A T A
D A T A T A B L E :• S P A C E N E E D S• T Y P E O F R O O M• W H O I S U S I N G I T• H O W M A N Y O F E A C H
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ROOM LIST(ACCESS TABLE)
BIM MODEL(REVIT PROJECT)
D A T A T A B L E :• I N D I V I D U A L R O O M S• T Y P E O F R O O M• W H O I S U S I N G I T
R O O M O B J E C T S :• G E O M E T R Y• D A T A A T T R I B U T E S
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3 2 - B I T
6 4 - B I T
Linking Revit to a Database - 1
Using Access and Revit• Windows Memory Space
Revit: 64-bit.
Access: 32-bit.• Connection
OLE: ACE (JET) Drivers.
COM: Interop Mode.
ACE Pass-through Service• Service
TCP-IP interface.ACE Pass- through Serv ice
A C C E S S
S E RV I C E – A C E PA S S - T H R O U G H
O L E – A C E D R I V E R
R E V I T
T C P / I P P R O TO C O L
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Linking Revit to a Database - 2RevitDbLink Overview• The “Link”
The “Link” is actually a logical relationship, based on conventions in both programs.
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Linking Revit to a Database - 3RevitDbLink Overview• Main Menu• Synchronization Menu
The Main Menu (left) is used to select the link and query data. The results are shown on the Synchronization Menu (right), where discrepancies can be resolved.
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Code Example 1
Working with Data
• Linking to a Database
Access.
SQL Server.
• Using Excel
• Data Objects in C#
Excel Worksheet – Fields in First Row
Database Tables - Named Columns
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Build connection string.
Create connection.
CREATING A DATABASE CONNECTION
Set connection type.
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Make Data Objects.
Work with data.
Defi ne:
• Primary Key.
• Update/Delete Commands.
Update database
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Defi ne Excel objects.
Link to Excel Session:
• Start new session.
• “Bind” to existing or start new session.
CONNECTING TO EXCEL
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Defi ne “ShowWindow” call to Windows.
Apply it to every “Excel” process
Use minimize option.
HIDING EXCEL APPLICATION
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Use a Worksheet:
• Existing.
• New.
Get a list of existing worksheets.
WORKING WITH EXCEL WORKSHEETS
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Defi ne C# data objects.
Use the fi rst row of the Excel worksheet to create columns in the data table.
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Add the row to the data table.
For each column in Excel:
• Get the Excel value.
• Set the row value.
For the remaining rows in Excel:
• Get a row from Excel.
• Make a row in the data table.
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Create a data table.
Create a new row.
Work with the rows.
Add columns.
WORKING WITH DATA IN C#
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Creating Areas and Solid Forms - 1
AbstractingMajor Spaces
• Major Planning Groups
• Space Requirements
• Classification
Planning Groups Derived from Space Program
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Creating Areas and Solid Forms - 2
Importing Areas• Unplaced Areas• Parameters
Key Value.Descriptive Name.ClassificationRequired AreaFloor
• Revit Schedule
Place Unplaced Areas Menu
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Creating Areas and Solid Forms - 3
Placing Areas
• Area Boundary Lines
• Shape
Squares.
Modular Rectangle.
• Classification Color
Areas Placed as Squares and using a Planning Module
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Creating Areas and Solid Forms - 4Parti
• Site Constraints
• Plan Dimensions
• Number of Floors
• Floor Heights
Building Geometry Constraints
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Creating Areas and Solid Forms - 5Manipulating Areas
Areas Moved to Plan Locations
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Creating Areas and Solid Forms - 6Converting Areasto Solid Forms• Standard Block Shape
Area extremities.
Height, Width, Depth.• Extruded Boundary
Area boundary.
Fixed Height
Areas Converted to Solid Forms
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Creating Areas and Solid Forms - 7
Basic Area and Massing Diagram
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Code Example 2
Making Solids• Based On
Areas.
Rooms.• Family
Standard Rectangle.
Extrusion.• Setting Material Solid Families Made From Areas and Rooms
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Use an existing room.
Create a new family.
Make a new material.
MAKING SOLID SHAPE FROM ROOM
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Create a family instance.
Get the location and dimensions of the room.
Adjust dimensions.
Set material.
OPTION 1: A PRE-DEFINED RECTANGULAR SOLID
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Get room shape:
• Room boundary: list of curves.
• Each curve: list of segments.
Create CurveArrays.
Build CurveArrArray.
OPTION 2: A UNIQUE FAMILY USING AN EXTRUSION
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Get or make a subcategory.
Create new family.
Add extrusion of CurveArrArray.
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Apply the material to the subcategory.
Save the Family to a fi le.
BOTH OPTIONS: APPLY MATERIAL AND SAVE FAMILY
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Create a new instance:
• Use family symbol.
• Location (0, 0, 0).
Load the new family:
• Use the saved fi le.
• Delete the fi le.
Get the family symbol.
BOTH OPTIONS: MAKE AN INSTANCE OF FAMILY
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Get the parameters:
• Room – Source.
• Family – Target.
Transfer values:
• Get source value.
• Convert data type.
• Set target value.
BOTH OPTIONS: TRANSFER PARAMETER VALUES
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Creating Rooms - 1
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Creating Rooms - 2
Computing RoomsfromProgram Database
Rooms in Access
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Creating Rooms - 3
ImportingUnplaced Rooms
Unplaced Rooms in Revit
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Placing Rooms
• Array of Squares
• Tagged
• Moved to Plan
Rooms Placed in an Array and then Moved to the Plan
Creating Rooms - 4
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Creating Rooms - 5
Validating Program with Database• Discrepancy
No Database Record.No Model Element.Unequal Values.
• ActionsNo Action.Update Model.Update Database.
Synchronization of the Model and the Database
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Creating Rooms - 6
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Code Example 3
Placing Elements• Based On
Areas.
Rooms.• Boundary
Area Boundary Lines
Walls
Room Separation Lines.
• Parameters
Copying Values.
Classification. Sized Rooms Placed and Dragged to Location
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Get the unplaced area.
Calculate points:
• Square.
• Required area.
Build a curve array of lines.
PLACING UNPLACED AREAS
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Construct an area boundary line:
• Use the curve array.
Transfer the parameter values.
Place new area inside boundary.
Tag the area.
Delete the unplaced area.
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Option 1: walls.
Make new room.
Option 2: room separator lines.
Delete the unplaced room.
PLACING UNPLACED ROOMS
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Room Data Sheets - 1
AlternativeMethods• Revit
Views.
Tagged Views.
Sheets• Access
Views.
Images.
Report.
Room Data Sheets Workflows
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Room Data Sheets - 2
Batch Process - Creating Views
Creating RoomViews• 2D
Crop.• 3D
Section.
Crop.• Visibility
Section.
Crop.• Naming
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Room Data Sheets - 3
TaggingRooms
• Room Tag
• Labels
• Parameters
Batch Process - Tagging Views
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Room Data Sheets - 4
PlacingViews on Sheets
• Frame
• Titles
Batch Process - Placing Views on Sheets
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Room Data Sheets - 5
Exporting Images
• Raster Type
• File Name
Batch Process - Exporting Images
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Room Data Sheets - 6
Access Report• Data Controls• Images
Controls
Control Source
Naming.
Room Data sheet Access Report
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Code Example 4
Making Views
• Space Around Room
• 2D View
2D Crop Box.
• 3D View
3D Section Box.
2D Crop.
• View Template
Cropped Room Views Made Automatically
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Use bounding box of subject element.
Set new box size with margins.
Create a new view and apply the bounding box to it.
Create new bounding box.
CROPPING A 2D VIEW
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Make a new 3D view.
Apply the section box.
Create a new 3D bounding box :
• Get 3D bounds of the subject element.
• Create new 3D box with margins.
SECTIONING A 3D VIEW
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Get the closed shell of the room.
Get all vertices:
• For each object in the shell.
• For each edge in the object.
• For each vertex in the edge.
CROPPING A 3D VIEW IN 2D
Get the room to crop to.
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Make the new view.
Project all of the verticies.
Find the extreme X and Y points.
Get the inverse of the view transform.
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Create new bounding box with margin.
Add the crop box to the view.
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Apply a view template.
Set the underlay to none.
S E T T I N G U N D E R L AY A N D A P P LY I N G A V I E W T E M P L AT E
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Color Fill Plans - 1
Flattening RelationalData• Related Tables
Room.
Room Type.
Room Type Category
Calculating ParameterValues• Math
Roll up areas.• String
Concatenate.
Color Fill Plan with Calculated Values
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Color Fill Plans - 2
Room Data sheet Access Report
ROOM ROOM TYPE ROOM TYPECATEGORY
SUM ROOM AREA:ΣDESCRIPTION
• BY ROOM TYPE CATEGORY• BY FLOOR
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Color Fill Plans - 3
Math Calculation Tool
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Signage
Interactive SelectionMulti-line Text Edit
Specialty EquipmentSignage
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Questions?
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