HEC RAS Start to Finish Model and 2025 Wish List - Part 3: Geometry

Описание: Start to finish HEC-RAS model creation using Version 6.7. In Part 3 of 6, we cover setting up a project geometry. The additional parts are as follows:
• Part 1 Project Setup:    • HEC RAS Start to Finish Model and 2025 Wis...  
• Part 2 RAS Mapper Setup:    • HEC RAS Start to Finish Model and 2025 Wis...  
• Part 3 Geometry
• Part 4 Flow:    • HEC RAS Start to Finish Model and 2025 Wis...  
• Part 5 Plan:    • HEC RAS Start to Finish Model and 2025 Wis...  
• Part 6 RAS Mapper Results:    • HEC RAS Start to Finish Model and 2025 Wis...  

Visit https://www.hydroschool.org/wish/ for a summary of all beta testing comments and referenced resources and to submit your own workarounds or wish list items.

Links:
• Delineate watershed/catchment boundaries and flow paths using HEC-HMS:    • HEC-HMS for HEC-RAS Users Part 2 of 4: Cat...  
• Geospatial operations for overlapping polygons (Full Momentum Episode #27):    • Episode 27: Hidden Secrets of RAS Mapper  
• Geospatial operations for overlapping polygons (HEC-HMS for RAS Users #Episode4):    • HEC-HMS for HEC-RAS Users Part 4 of 4: Set...  
• Depth-varying roughness hack with raster files:    • What's new in HEC-RAS 6.0 Part 6: Land cov...  
• Depth-varying roughness hack with vector files:    • Full Momentum: An HEC-RAS Vodcast (Ep.3). ...  
• Best practices for 2D bridges (Full Momentum Episode #28):    • Episode 28: 2D Bridges - Best Practices/Po...  
• HEC-RAS 2D Bridge Hydraulics:    • HEC-RAS 2D Class: 4.3 - 2D Bridge Hydraulics  
• Face points in HEC-RAS: https://www.hec.usace.army.mil/conflu...
• Cell centers, faces, and face points: https://www.hec.usace.army.mil/conflu...
• AI segmentation tools and HEC-RAS scripts: https://www.hydroschool.org/ai/
100-year time lapse photos with Google Earth: https://www.hydroschool.org/world/
• Download pdf manual: https://hydroschool.org/workshops/

Wish list items:
3.1 - Allow filter before query
3.2 - Fix file size glitch
3.3 - Turn on lengths and areas by default or with button
3.4 - Put new reference layers under map layers subfolder
3.5 - Add flow path and watershed/catchment delineation to HEC-RAS
3.6 - Apply consistent terminology to options and tabs
3.7 - Depth varying roughness
3.8 - Allow polygon modification layers to have side slopes
3.9 - Call values added to terrain "difference" not "elevation"
3.10 - Grey out/italicize computation points when empty
3.11 - Add number of cells and coverage area to perimeter layer properties
3.12 - Fix glitch with disappearing modification layers
3.13 - Add plan view station tracker for terrain mod profiles
3.14 - Add option to iterate "fix meshes" until all are fixed
3.15 - Default layer associations to highlight added feature
3.16 - Fix layer association glitch or prompt to save when exiting
3.17 - Turn fill in storage areas and points off by default
3.18 - Allow middle mouse button to pan
3.19 - Default to view computed extents
3.20 - Add CTRL Z for undo to geometric data editor
3.21 - Add "are you sure" prompt when moving 2D area
3.22 - Allow ESC button to untoggle edit commands
3.23 - Automatically update layer views to match RAS Mapper
3.24 - Option to automatically assign ground levels to culvert inverts
3.25 - Option to drop terrain to assigned culvert invert elevations
3.26 - Automatically assign GIS coordinates for multiple barrels
3.27 - Add option to assign rotated grid

Chapters:
0:00 Introduction
2:29 Opening HEC-RAS files in a text editor
3:10 Demo model overview
7:33 Filtered and unfiltered terrain data
14:20 Using modification tools to fix existing terrain
24:20 Shapefiles
35:50 Adding spatially varying roughness as a map layer
42:50 Terrain modification methods
54:20 Create new geometry
1:00:52 Sub grid resolution concept overview
1:14:02 Adding break lines and fixing red dot errors
1:24:43 Adding refinement regions
1:31:22 Geometry view options
1:36:11 Adding a culvert
1:39:25 Adding a bridge
1:44:15 Closing