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EW-14 Exploring Template Constraints and Display Rules

EW-14 Exploring Template Constraints and Display Rules. Thomas Taylor, Bentley Civil. Topics covered. Template Point Constraints Constraint definition Types of constraints Constraint behavior Constraint Variables Constraint Labels Component Display Rules Display Rule Definition

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EW-14 Exploring Template Constraints and Display Rules

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  1. EW-14 Exploring Template Constraints and Display Rules Thomas Taylor, Bentley Civil

  2. Topics covered • Template Point Constraints • Constraint definition • Types of constraints • Constraint behavior • Constraint Variables • Constraint Labels • Component Display Rules • Display Rule Definition • Template creation with CDR • Application of CDR

  3. Point Constraint Definition • Used to manage the behavior of template points • How points move with respect to one another • A single point can have up to 2 constraints **there is an exception • Fully constrained points are red (two constraints) • Partially constrained points are yellow (one constraint) • Unconstrained points are green (no constraints)

  4. A • Parent Child point relationship • Point B is the Child of Parent point A • Horizontal Constraint • Child is horizontally constrained to parent B Point Constraint Definition A B

  5. Point Constraint Definition • Vertical Constraint • Child is vertically constrained to Parent • Horizontal and Vertical Constraint • Child is horizontally and Vertically constrained to Parent • Slope Constraint • Child is constrained to parent by slope A B A B A B

  6. Other Point Constraints Defined • Vector Offset constraint • Child C is constrained to parents A & B with a 2.0 offset. • Horizontal Minimum and MaximumConstraint • Child C is constrained to parents A & B

  7. Other Point Constraints Defined • Vertical Minimum and Maximum Constraint • Child C is constrained to parents A & B • Angle Distance • Child C (and D) is constrained to parents A & B by an angle and distance. (rigid body rotation)

  8. Point Constraint Value Equation

  9. Point Constraint Label

  10. Component Display Rules • The individual Rule (stored in the template) • Horizontal • Absolute Horizontal • Vertical • Absolute Vertical • Slope • Absolute Slope • Component is Displayed • The conditional expression (stored on the component)

  11. Component Display Rules The Conditional Expression Contains the Rule name and operational expressions with parenthetical hierarchical structure. Rule1 OR (Rule2 AND Rule3)

  12. Topics covered This workshop has taken you through some steps involved in defining, creating, and testing Component Point Constraints and Component Display Rules. The following items were covered: • Reviewed the types of point constraints • Created components with various constraint types • Edited a template to include a median retaining wall to accommodate vertical grade separation. • Established a set of Component Display Rules to apply to the retaining wall when the vertical difference is exceeded. • Updated the Roadway Design with the new template containing Component Display Rules and reviewed the results.

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