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AECOsim

Building Designer

2012

Bentley Systems, Incorporated www.Bentley.com/AECOsim

Quick Start Guide

Chapter A06

Creating a

Master Model

http://www.bentley.com/AECOsim

AECOSIM BUILDING DESIGNER

CHAPTER A06 - CREATING A MASTER MODEL

www.Bentley.com/AECOsim of 13 v2.0

© 2012 Bentley Systems, Incorporated

Table of Contents

Creating a Master Model ..................................................................................................3

References ................................................................................................................. 4

Reference Nesting..................................................................................................... 5

Activate Reference File .............................................................................................. 5

Drawings and Sheet Models ....................................................................................... 6

Creating Dynamic Building Views, Drawings and Sheets ................................................ 6

Creating Drawings and Sheets .................................................................................... 7

Creating the Dynamic Building Floor Plan View ............................................................. 8

Create Drawing ........................................................................................................ 9

HyperModeling .......................................................................................................... 10

Enhancing the Drawing .............................................................................................. 11

Set Reference Presentation ...................................................................................... 11

Architectural Rules .................................................................................................. 12

Drawing Rule Management ...................................................................................... 13





CREATING A MASTER MODEL

AECOsim Building Designer uses a federated approach to building a design model. A design

project is modeled in individual sub models and then those sub models are referenced together

to create the project Master Model, sometimes called the Design Composition Model.

Depending on the project there are a variety of ways to break down this model, but a typical

project model structure might look something like this:

_MasterModel

_A_Master

A_Ground

A_Ground-Ext

A_Ground-Int

A_Office

A_Office-Ext

A_Office-Int

A_Condo

A_Condo-Ext

A_Condo-Int

A_Atrium

_S_Master

S_Foundation

S_Steel

S_Steel-Atrium

_M_Master

M_Ground

M_Office

M_Condo

_E_Master

E_Ground

E_Ground-Ltg

E_Ground-Pwr

E_Office

E_Office-Ltg

E_Office-Pwr

E_Condo

E_Condo-Ltg

E_Condo-Pwr





In this example, each Discipline has a Master Model. The Architectural Master Model,

_A_Master.dgn, is made up of floor composites, A_Ground.dgn, A_Office.dgn, A_Condo.dgn,

that are referencing an interior and an exterior model for that floor. In addition there is a

separate model for a design feature, the entry atrium, A_Atrium.dgn. Note that the floor

composite models are models for typical floors that could be referenced to the _A_Master.dgn

any number of times depending on the number of typical floors. This is one of the advantages

of the federated model structure; repetitive geometry can be modeled once and referenced

multiple times, making modifications to the geometry more efficient.

REFERENCES

A reference is simply when a DGN file is attached to a model or another DGN file, or linked to a

model within another DGN file. Many significant enhancements to project workflow are

provided by the reference utility including Live Nesting of references, attachment of an

unlimited number of references, and the ability to attach 2D files to 3D files and vice versa.





Reference Nesting

Reference nesting enables the designer to attach a reference within a reference. By

maintaining model files as nested references, designers can effectively manage extremely

complex projects. There is no limit to the depth of reference nesting and nesting levels can be

changed dynamically. Changes made to attached references are displayed each time model

views are updated or opened.

Attached references can be master files in their own right. The Architectural Floor Composites,

for instance, can have numerous DGN references attached to them. In this example, the

Architectural floor composites are referenced to the Architectural Master Model with a nesting

depth of 1. Initially, the floor composite might only reference one additional file, such as an

exterior model file, but as more references are added to the floor composite, such as an

interior layout file, they will automatically be nested into the Architectural Master Model, and in

turn the Building Master Model. Those references can in turn have other DGN files attached to

them as references, and so on. Here the level of project granularity, with regard to DGN model

files, can run extremely deep. This is a design platform where there is no limit to the number

of levels within a project, and no limit to sub-level model structure.

Activate Reference File

A reference can be edited in-place from within the active model. To do this, the reference must

be temporarily Activated. The file is locked to other users until it is Deactivated.

Right click over an object in the reference

file to bring up the right-click menu.

Select Activate.

If the element has more than one nested

attachment, then it will have a selection

list. The list shows up to ten nested

attachments, and is displayed as seen in

the References dialog’s Show Hierarchy

section. The only difference is that the

attachment which contains the selected

element is displayed under a menu divider.

By default, all elements in references

above the activated reference in the file

hierarchy, as well as the active model, are

displayed with an override color. Only

operations on the activated reference are

now permitted. The activated reference

model is locked to other users along with the active file.

To deactivate the reference, again right click over and object in the reference file to bring up

the right-click menu, and select Deactivate.





DYNAMIC BUILDING VIEWS

The Master Model or Design Composition Model has two purposes - pulling all the parts of the

building model into one location and as a container for all the Dynamic Building Views.

Dynamic Building Views were introduced in the Mass Model in AECOsimBD-A02-Making the

Mass Model Intelligent. Dynamic Building Views are Saved Views which store not only view

orientation, level and reference display, but also a Clip Volume which stores a Section Cut

Plane, a Forward View Volume, and a Back View Volume as well as Display Styles for each. In

addition, they store properties such as annotation and re-symbolization rules.

The Dynamic Building Views are referenced to Drawing and Sheet models in order to create 2D

drawings and sheets set up for plotting.

Drawings and Sheet Models

AECOsim Building designer supports three types of models which are all stored in a DGN file.

Any DGN file can contain one or more models, each of which has its own set of eight views.

Design Model – A Design model can be 2D or 3D and is used for all the model files

that make up the Building Master Model.

Drawing Model – A Drawing model is 2D and is used to apply annotations,

dimensions, callouts, and other 2D embellishments to a referenced Dynamic Building

View.

Sheet Model – A Sheet model is 2D or 3D and is used to compose Drawing models

onto a sheet border for plotting at a defined scale.

Creating Dynamic Building Views, Drawings and Sheets

Generally during the design process, the focus is initially on the 3D Building model and then

moves on to floor plans, sections, elevations, and details. In essence, a floor plan is a

horizontal cut through the Building model with a view orientation of looking “down” upon the

model. The basic concept is to cut a floor plan through the Building Master Model, then create

a 2D Drawing Model. Next use the 2D Drawing Model to create additional 2D sections,

elevations, and enlarged plan view areas called details. Finally, 2D Drawing Models are

referenced to Sheet Models to create a set of Working Drawings.

The following steps illustrate this workflow.

Compose the 3D Master Model by referencing all models into one Master Model.

Typically, this is an empty 3D Design Model (a container) that includes 3D Design

Models referenced from all the individual disciplines.

http://www.bentley.com/AECOsimMakingIntelligentQSG/






From the Master Model, Dynamic Building Views for Floor and Ceiling plans are defined,

created, and stored. At the same time, Drawing and Sheet Models that reference and

are linked to the Building Views can be created. All of these can be accessed from

Project Explorer.

Use the Change Presentation tool to modify the Building View’s appearance in the

Drawing Model, using Building View Attributes.

In a Floor Plan Drawing Model, place Section, Elevation, and Detail callouts to generate

the other Building dynamic views.

Additional plan based views such as Ceiling plans and Roof Plans, should be set up and

created in the Master Model.

Drawing Models can also be placed manually on Sheets by dragging and dropping the

Drawing Model from Project Explorer, which will open the Attach Reference Dialog box.

Set the Detail Scale in the Attach Reference Dialog and create a drawing title for the

sheet.

Creating Drawings and Sheets

In AECOsimBD-02-Making the Mass Model Intelligent Dynamic Building Views were created

in the Mass Model and used to create presentation drawings. When creating production

drawings those Dynamic Building Views will be created from the Master Model, and the

Drawing and Sheet Models can be created as separate DGN files at the time of the Floor Plan

View Creation.






Creating the Dynamic Building Floor Plan View

The Create Plan View(s) tool is

used to create a Dynamic Building Floor

Plan View and can be accessed from the

Drawing Composition task bar on the

Building Designer task menu.

The Create Multiple Floor Plans

icon can be used to quickly create several

floor plan views in the Master Model.

The Drawing Seed, Arch – Floor Plan,

will determine the Display Style, Detailing

Symbol Style, and the location of Forward,

Back, and Cut planes of the Clip Volume.

Check each floor (harvested from the Floor

Selector) to determine which floors need a

floor plan view. Select Next.

Check Create Drawing in order to have the option to create both a Drawing and a Sheet

model for each Floor Plan view. Verify that the Forward, Back and Cut Plane are at the desired

elevation, or modify accordingly. Select Create.





Create Drawing

In the Create Drawing dialog create a

name for the Dynamic Building View. Note

the Name will be used as the Drawing Title

when the View is placed on a sheet.

In order to automatically create a Drawing

Model, with the Building Dynamic View

referenced, check Create Drawing

Model.

Create a New File to contain the

Drawing Model by checking Filename and

selecting the New File icon.

Set the Annotation Scale for the

Drawing.

In order to automatically create a Sheet

Model, with the newly created Drawing

referenced, check Create Sheet Model.

Create a New File to contain the Sheet

Model by checking Filename and selecting the New File icon.

Set the Annotation Scale for the Sheet. Sheet files can be set up so that the annotations

scale is full size, therefore the border reference is not scaled and the drawing model reference

is scaled. This facilitates adding additional drawings to the sheet at different scales.

Alternatively, the sheet file can be set up at the same annotation scale as the drawing and the

sheet border reference is scaled.

It is generally good practice to set up a single drawing for each Dynamic Building View.

However, it is common to reference more than one drawing to a single sheet file; therefore it

is not always necessary to create the sheet file when creating the Dynamic Building View.

Simply drag and drop the drawing file from the Project Explorer to an existing Sheet file.





HYPERMODELING

Whenever a Dynamic Building View is created and placed on a Drawing, and that Drawing

placed on a Sheet, then links are created between all three. The location of the Dynamic

Building View is indicated in the Master Model, as well as the Drawing and Sheet model with a

Marker at the cut location.

The markers for Section, Plan, Elevation,

and Detail Callouts can be selectively

toggled on or off in the View Attributes

dialog.

Hovering the curser over the marker will

bring up a mini-toolbar with a number of

options for Navigating these links.

The Pull down field allows users to select the target drawing or sheet link.

Open the selected drawing or sheet target.

The Apply View tool will apply the

Dynamic Building View to the model. The pull

down determines which options will be applied.

The Clip Model By Callout tool crops the

model using the clip plane and boundary defined

by the callout.

The Show Callout tool is used to display

the marker’s callout in the model, the drawing, or

the sheet. This can be applied to only the

Selected Callout, to any Callouts that have

volumes which intersect the current Dynamic View

or to all callouts.





The Display Sheet Annotations tool will toggle on or off the annotations from the

drawing and sheet model in the design model view.

ENHANCING THE DRAWING

After navigating to the Drawing model it is possible to enhance the Building Dynamic View by

changing the presentation, attaching additional reference files, using Architectural Rules to

annotate items in the model, and add additional line work, text and dimensions.

Set Reference Presentation

The Set Reference Presentation tool

found on the Drawing Composition task bar is

used to change View Attributes of the

Dynamic Building View that is referenced to the

Drawing model.

Under the Building Panel on the General tab

there are numerous check boxes that

determine whether or not to display 2D

Drawing Symbols in the Forward, Cut or Back

Views, whether to turn Part Unification on and

whether to Apply Patterns in the Cut View.

Under the Clip Volume Settings Panel, the

Forward, Back and Cut Views can be displayed

on or off. In addition a Display Style can be

set. For information on creating customized

Display Styles see AECOsimBD-A07 - Display

Styles.

The Synchronize View option is used to

determine how the Referenced Dynamic

Building View automatically synchronizes with the Saved Dynamic Building View that is stored

in the Master Model, only the clipping plane, only clip volume, or all the settings including the

Display Styles.

http://www.bentley.com/AECOsimDisplayStylesQSG/

http://www.bentley.com/AECOsimDisplayStylesQSG/





The Update from Saved View tool will update the referenced Building Dynamic view

with the settings from the Master Model.

The Accept Changes tool will accept any changes made in the View Attributes dialog

and then push them back to the settings in the Master Model.

Architectural Rules

Drawing Rules control automatic placement of DataGroup annotation cells for Building

components such as doors, windows, and spaces. Drawing Rules are managed in the View

Attributes dialog box > Building panel > Architecture, Mechanical, and Structural tabs.

Under the Building Panel on the Architectural tab there are several settings for managing

architectural drawing rules as they apply to Building dynamic views. The Architecture tab also

contains a toolbar with several important tools.

Attach New Rule – Enables designers to attach predefined rules to the Building dynamic

view. This tool opens the Drawing Rules (primary) dialog box, where designers can select

predefined drawing rules and create new drawing rule definitions.

Copy Rule – Adds a copy of the selected rule to the Building dynamic view. This tool

opens the Drawing Rules (primary) dialog box where designers can change the rule or it´s

criteria.

Edit Rule – Opens the Drawing Rules (primary) dialog box with the selected rule

highlighted. This enables designers to change the rule definition, or the rule criteria used to

apply the rule.

Detach Rule – Removes the selected rule from the Building Dynamic View. Detaching a

rule does not delete the rule definition; it only removes the use of the rule in that Building

Dynamic View.

Rule Sequence Tools – The order in which rules are applied is important. Once an object meets

the criteria and the rule is processed, the object is not evaluated by any other rules.

Move First – Moves the rule to the top of the list. It is the first rule applied.

Move Up – Moves the rule up one position toward the top of the list.

Move Down – Moves the rule down one position toward the bottom of the list.

Move Last – Moves the rule to the bottom of the list. It is the last rule applied.





Rules that are applied to the Building dynamic view are listed in the Architecture tab rules list.

The Architecture tab rules list displays both rule names and the criteria. There is a check box

by each rule in the Active column. This turns the rule on and off. Only rules that are checked

are actually applied to the Building dynamic view. Rules that are unchecked are not applied but

are available should the designer need them. This leverages the dynamic nature of dynamic

views.

Architectural annotation rules only annotate elements that are cut by the section plane.

In the case of Spaces, the Space’s ceiling height decides the range of the space. If the cut

plane of the clip volume within the Building Dynamic View passes through the range of the

Space, the Space is annotated. If the Space definition is hidden below a slab, but the Space’s

ceiling height goes above the slab an into the clip volume’s cut plane, the Space is annotated

and the Space label appears above the slab in the 2D representation.

Drawing Rule Management

As mentioned previously, the Drawing Rules (primary) dialog box is opened from the

Architecture tab by selecting Attach New Rule, Copy Rule, or Edit Rule tools. There is a

Drawing Rules (secondary) dialog box that is opened from the Drawing Rules (primary)

dialog box. This is used to complete the actual creation, copying, and editing of drawing rules.

The Drawing Rules (primary) dialog box is divided into two portions. The upper portion deals

with Criteria, and the lower portion manages the Rules. When assigning a drawing rule to a

view, you need to define the criteria and select the rule. When the Apply to View button is

selected, the rule and criteria populate in the Architecture tab Drawing Rules list box and the

rule is available for use in the Building dynamic view.

MOVIE: Creating a Master Model

This movie shows:

1. Creating a Floor Composite

2. Creating a Master Model

3. Drawings and Sheets

4. Hypermodeling

mk:@MSITStore:C:/Program%20Files%20(x86)/Bentley%2008.11.09.198/Documentation/architecture.chm::/atfhelp37.html#nowhere

http://www.bentley.com/AECOsimMasterModel/

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