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NOAA OWP Cross Section Generator2 years ago
Introduction | Prep Network | Algorithm Walk Through: | Step 1: Explode Linestring into edges: | Step 2: Define Edge Mid and End Point | Step 3: Define Cross Section at end Point | Define a normal edge | Define the cross sections | Cut a Full Flowline | Flow Network | Transects to 3D channel | Reach Addressing | Channel Classifiction | Channel bottom alignment and bank smoothing
Traditional AHG fitting2 years ago
The AHG relationships | Traditonal Fitting Technique | Example: | Full Fits | Continuity check | System Error
Basic Use2 years ago
Installation | Example | Define Network | Cut cross sections | Define Cross section points | Classify Cross section points | Explore! | Time to get r nrow(transects) transects and r nrow(classified_pts) classified points ...
Hydraulic Data Generation3 years ago
Hydraulic Estimation | Example data | Compute Roughness | Compute r, d, R and p | r | p, q, k | d, R | Implications | Generate Cross sections
Improving AHG Estimates3 years ago
Increasing AHG skill: | Curve Fitting Approaches | OLS | NLS | NSGA-II | Combination Approach | Packaged Functionality
Data Preprocessing3 years ago
Data Filtering Functions | 1. Median Absolute Deviation (mad) | 2. Temporal | 3. Q = vA Assumption | 4. NLS prediciton | Chaining Commands | Example(s) | Significance
Fine Tuning NSGA-23 years ago
Solver | Defining bounds | Parameterizing the model | Population & Generation | Cross over and Mutation Probability | Winner | Influence of Seed | Flexibility