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Microstation SS4 Corridor Modeler Overview
- 1. Microstation SS4 Corridor Modeler: Overview A brief guide of building blocks By: Chris Chatfield, P.E.
- 2. Corridor Modeler Building Blocks ● Hardware Recommendations ● Terrain ● Alignment Data ● Corridor Objects Toolbox ● External References ● Template Drop ● Point Control ● Superelevation ● Parametric Constraint ● Cross Section Viewer ● 3D Visualization
- 3. Hardware Recommendations Corridor Modeler tools will run on machines of varied capabilities and characteristics, but it will only work smoothly with specific. Please keep in mind that the computer will crash on occasion even if the best resources are utilized. 1. See the ‘Recomendations for 3D Workflows’ found at https://communities.bentley.com/products/microstation/w/microstation__wiki/41 75.microstation-v8i-system-requirements-and-hardware-recommendations-tn 2. Close All Unneeded Programs a. Microstation does not utilize an entire processor
- 4. Terrain ● Existing/proposed surface information referenced by corridor elements ● Best utilized as a separate file, made of a 3D model ● Multiple terrains may be referenced by a single corridor ● May be set to ‘active’ and thereby designating it as the default ● Miscellaneous data to show up on cross sections (such as utilities) may be added to the terrain file
- 5. Alignment Data Proposed 2D line elements (referenced by the corridor) with horizontal and vertical information Vertical line work must be set as active for it to be recognized Best utilized as a separate design file and made of a 2D and 3D model A corridor is created along a main or proposed grade line (PGL) alignment
- 6. Corridor Objects Toolbox Corridor settings window Data may be sorted by a particular column or combination of columns Information may be edited within the toolbox after it is added Any change in corridor objects triggers the entire corridor to update
- 7. External Reference Alignment data (other than the main alignment the corridor is created along) to be associated with the corridor 2D elements are graphically selected and associated vertical information is referenced along with it
- 8. Template Drop Pavement, structure, and grading specifications within project Each specification is a previously defined template Station range for each template defined Template placement interval specified for each station range For example, if future cross sections are every 50’, then the interval is 50’
- 9. Point Control Associates points in template with alignment data Point name and station range to apply control are specified Points are associated with alignment via feature definition or specified name of a 2D element Control specified for horizontal, vertical, or both aspects of element
- 10. Superelevation Type of point control created along alignment Right and left ‘lanes’ created on either side of alignment ‘Superelevation Flag’ must be selected in template Pivot point, superelevation (rotating) point, rate, percent and station range specified
- 11. Parametric Constraint Parameters (i.e. berm slope, sidewalk width, pavement depth, etc.) within a template may be labeled All labeled parameters may be modified and/or varied within a specified station range with the parametric constraints tool
- 12. Cross Section Viewer Cross sections associated with the corridor may be visualized with the cross section viewer Temporary dimension lines are used to check slopes and distances between points on the cross section Points controlled by alignments are depicted with a box around them
- 13. 3D Visualization Except for terrain generation, all design is conducted within 2D space Corridor may be viewed in the 3D model of the DGN Colors within the 3D space are dependent on feature definitions utilized in the template drops