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: The primary workspace for building and organizing subassembly elements starting from an origin point.
In the Condition expression field, write a logical check using the surface target: TargetSurface.IsValid .
This tutorial walks through creating a simple custom curb to understand the workflow. Step A: Define Input Parameters Open SAC and go to the tab.
Before we dive into the tutorials, let’s quickly define the tool. The Subassembly Composer is a standalone application that installs with Civil 3D. It allows you to build subassemblies visually using a flowchart interface rather than coding them from scratch in .NET.
Define your parameter type correctly. Use Distance for widths and depths, Slope for grades (expressed as a decimal or percentage based on your settings), and String for text-based coding.
Add Parameters (numeric & boolean).
I hope this helps! Let me know if you need anything else.
SAC will automatically calculate the intersection point where the link () hits the existing ground surface. The False Branch (Fallback Geometry) On the False side, drop a standard Point node.
By mastering Subassembly Composer, infrastructure designers can shift from fighting standard software limitations to deploying highly automated, intelligent, and project-specific BIM models.
Creates intelligent assemblies that react to target parameters (surface, alignment, profile).
To advance from beginner to expert, master these components:
: Provides practical exercises, such as building a box culvert, to teach the core SAC interface. Key Learning Components
Subassemblies can adapt automatically to Civil 3D targets (surfaces, alignments, profiles).
Add Decisions (if branching behavior required).
: The primary workspace for building and organizing subassembly elements starting from an origin point.
In the Condition expression field, write a logical check using the surface target: TargetSurface.IsValid .
This tutorial walks through creating a simple custom curb to understand the workflow. Step A: Define Input Parameters Open SAC and go to the tab.
Before we dive into the tutorials, let’s quickly define the tool. The Subassembly Composer is a standalone application that installs with Civil 3D. It allows you to build subassemblies visually using a flowchart interface rather than coding them from scratch in .NET.
Define your parameter type correctly. Use Distance for widths and depths, Slope for grades (expressed as a decimal or percentage based on your settings), and String for text-based coding.
Add Parameters (numeric & boolean).
I hope this helps! Let me know if you need anything else.
SAC will automatically calculate the intersection point where the link () hits the existing ground surface. The False Branch (Fallback Geometry) On the False side, drop a standard Point node.
By mastering Subassembly Composer, infrastructure designers can shift from fighting standard software limitations to deploying highly automated, intelligent, and project-specific BIM models.
Creates intelligent assemblies that react to target parameters (surface, alignment, profile).
To advance from beginner to expert, master these components:
: Provides practical exercises, such as building a box culvert, to teach the core SAC interface. Key Learning Components
Subassemblies can adapt automatically to Civil 3D targets (surfaces, alignments, profiles).
Add Decisions (if branching behavior required).