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Introduction
Download and install HEC-RAS
Start a new project
Workshop manual
Downloading terrain data
Projections, spatial reference systems
Hec-Ras file schematic
Set projection in RAS Mapper
Create a new RAS Terrain
HEC-RAS terrain data file formats
Vector elevation data
Looking inside a raster grid digital elevation model file
Stacking terrains
Terrain precision
Irregular grids
Checking terrain
Add web imagery (Google, Bing, etc.)
Create static aerial imagery
Add saved views
Add profile lines and cross sections
Layer properties
Add descriptions
Summary
Balance matrices
Update all the values inside the matrix
Balance the rows by adjusting the values in each row
Adjust all the values in each column
Rebalance the rows
Adjust your estimates
Calculate an adjustment factor
Calculate the sum of non-disclosed values
Calculate each non-disclosed value proportion of their sum
Match the sum of all the values in each column