BCLP-078- Revit Essentials -Conceptual Design Environment, Reference Points, Forms.

Conceptual Design Environment in Autodesk Revit

·???????? The Conceptual Design Environment (CDE) in Autodesk Revit facilitates the creation of conceptual masses and adaptive geometry during the early design phase. This note provides a summary of the workflow and key features of the CDE.

·???????? Create conceptual masses and adaptive geometry for integration into Revit projects.

·???????? Provides flexibility to express ideas and create parametric massing families.

·???????? Allows direct manipulation of design points, edges, and surfaces into buildable forms or parametric components.

·???????? Designs created in the CDE are massing families used as a basis for detailed architecture in Revit projects.

Workflow: Conceptual Masses:

1. Open a new family using a mass or generic model adaptive template.

2. Sketch points, lines, and 2D shapes for the 3D form.

3. Extrude 2D geometry into a form.

4. (Optional) Divide the form surfaces for component preparation.

5. (Optional) Apply parametric components.

6. Load the conceptual mass into a project for further development.

Workflow: Pattern Components:

1. Open a new family using a generic model-based template.

2. Define the tile pattern for the component.

3. Sketch and extrude geometry onto the pattern grid.

4. Optional: Add adaptive points if necessary.

5. Load the pattern component family into a conceptual mass.

6. Apply the pattern component family to a divided or patterned surface.

Template Files:

·???????? Mass.rft: For conceptual massing families.

·???????? Generic Model Pattern Based.rft: For pattern component families.

·???????? Curtain Panel Pattern Based.rft: For curtain panel component families.

·???????? Generic Model Adaptive.rft: For adaptive components.

Understanding Reference Points in Autodesk Revit

·???????? Reference points in Autodesk Revit are essential tools for building, orienting, aligning, and driving geometry in conceptual designs. They come in three types: Free, Hosted, and Driving.

Types of Reference Points:

·???????? Free Points: Independent of geometry, placed on reference planes.

·???????? Hosted Points: Positioned along lines or geometry edges, move with the host geometry.

·???????? Driving Points: Control geometry when moved, placed along lines or edges.

About Hosted Reference Points:

·???????? Positioned on existing splines, lines, edges, or surfaces in the conceptual design environment.

·???????? Move with and along the host geometry, providing a work plane perpendicular to its host.

·???????? Hosted on model lines, reference lines, form elements, joined form edges, and family instances.

Placing Reference Points:

·???????? Reference points guide and anchor geometry development.

·???????? Can be placed on work planes or existing geometry surfaces and edges.

Driving Points and Reference Plans:

·???????? Hosted reference points can control dependent geometry, becoming driving points.

·???????? Reference planes extend along the XYZ axes, visible according to user settings.

Rehosting Reference Points:

·???????? Detach and rehost points to new splines, reference planes, edges, or surfaces.

·???????? Geometry attached to the work plane moves with the rehosted point.

Generating and dissolving lines:

·???????? Lines can be created from existing reference points, maintaining their reference type.

·???????? Dissolving lines exposes source reference points for modification or regeneration.

Reference Point Instance Properties:

·???????? View and modify instance properties such as constraints, graphics, dimensions, and adaptive component settings.

·???????? Parameters vary based on reference point type (free, hosted, driving, or adaptive).

Model Line Instance Properties:

·???????? Modify instance properties for conceptual design model lines, including constraints, graphics, dimensions, and identity data.

Understanding Forms in Autodesk Revit

·???????? Forms in Autodesk Revit allow architects and designers to create solid and void extrusions using various geometric shapes. Here's a concise explanation:

Creating Forms:

·???????? Use the Create Form tool to generate solid and void extrusions, sweeps, and lofts.

·???????? Forms are built by selecting lines or closed loops and applying the Create Form command.

·???????? Types of lines usable for forming include model lines, reference lines, and imported lines.

Unconstrained vs. reference-based forms:

·?Unconstrained forms are created independently and display solid lines when highlighted.

·???????? Reference-based forms rely on other geometry or references and display dashed reference planes.

·???????? Differences exist in modification behaviors, dependency, and profile locking.

X-ray Mode:

·???????? X-ray mode renders forms transparently, revealing their paths, profiles, and system-generated guides.

·???????? Useful for understanding form construction and selecting specific elements for manipulation.

·???????? It is available for one form at a time and displays editable elements like profiles, paths, and control nodes.

Form Profiles:

·?Profiles define the basic shape of a form and can be lines, connected lines, or closed loops.

·???????? Manipulate profiles to alter form geometry.

·???????? Profiles are used in extrusions, lofts, and sweeps.

Form Dimensions:

·???????? Similar to dimensions in the project environment, form dimensions allow specifying measurements.

·???????? 3D controls report current dimensions, and temporary dimensions can be made permanent by double-clicking and pressing Enter.

Creating Different Forms:

·???????? Create solid and surface forms, revolve forms, sweep forms, swept blend forms, and loft forms.

·???????? Void forms can be generated to cut solid geometry.

Imported Geometry:

·???????? ACIS geometry can be imported as a reference to create forms, divide surfaces, or host point elements.

·???????? Supported ACIS geometry types include edges, curves, and surfaces.

Form Instance Properties:

·???????? Modify instance properties like visibility, graphics, materials, and subcategories.

·???????? Specify whether the form is solid or void.

BIMLABS Continual Learning Program

Attend the Questionnaire in the given link and win BCLP Credit Points to win Certifications and Course Vouchers

Questionnaire Link : https://forms.gle/xPFZqQeD2hTARHYA6

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Prepared by : Shiju Sasidharan, Sujisha V and BIMLABS Global Research Institute.

References :?

·???????? Autodesk Revit Help Documentation

·???????? Google, Gemini, ChatGPT and Respective Websites

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