How are Flooded Time, Surcharged Time and Flooded Volume Calculated in InfoSWMM and H2OMAP SWMM?
The time, volume and flooded rate shown in the InfoSWMM and H2OMAP SWMM Report File Node Flooding Summary (Figure 2) are calculated as follows (Figure 1):
For All Nodes NOT Outfalls ( this includes … Read the rest
Subject: How to use the Flow Splitter in InfoSewer for Dendritic Networks
InfoSewer, which is an extension in Arc Map, does need to have slit split defined where gravity mains merge together to determine the amount of flow in each of the downstream conduits (Figure 1). The options for … Read the rest
How to Create an InfoSWMM model from CSV Files
An InfoSWMM model can be newly created from a CSV file but it helps to have a background map or shapefile to initialize the Arc Map project. BEFORE initializing yourInfoSWMM map Add a data layer using the Arc Map command … Read the rest
How to Create an InfoSWMM model from CSV Files, Alternate Method
An InfoSWMM model can be newly created from a CSV file but it helps to have an idea of the maximum extents before you initialize the Arc Map project. Use the ArcGIS default and Edit the extents of … Read the rest
The Structure of InfoSWMM in Arc Map
via Blogger http://www.swmm5.net/2013/08/the-structure-of-infoswmm-in-arc-map.html… Read the rest
Siphon Modeling in InfoSewer and Arc Map
Here is at typical view of a siphon in InfoSewer, the rising links have a d/D of 1 and the dropping links typically have a d/D value less than 1. The q/Q for the rising links is based on the slope and … Read the rest
Note: How to Use the Arc Map Editor in InfoSWMM
Step 1 is to use the Edit Feature for example the Subcatchment layer to bring up the Arc Map Editor Tool.
Step 2 is to use the Reshape Feature tool or Vertex tools to bring together mis matched Subcatchment Boundaries
Subject: How to use the Flow Splitter in InfoSewer for Dendritic Networks
InfoSewer, which is an extension in Arc Map, does need to have slit split defined where gravity mains merge together to determine the amount of flow in each of the downstream conduits (Figure 1). The options for … Read the rest
Arc Map If Statements for Showing Flooding in InfoSWMM
You can use a combination of the Map Display in InfoSWMM and the Arc Map Label Properties to show the Maximum Ponded Volume at a node during amInfoSWMM simulation.
The label function in VBSCRIPT to show just non zero flooded … Read the rest
Note: Water Age in InfoSewer
InfoSewer and H2OMAP Sewer have a Water Quality option called Time of Concentration (TOC) or Water Age that allows the modeler to estimate the residence time in his or her Sewer Network. The use of Water Age is simple, you just pick TOC(AGE) … Read the rest
Subject: Create Watersheds Using InfoSWMM Subcatchment Manager
The Subcatchment Manager of InfoSWMM will help calculate most of the physical parameters associated with a Watershed or Subcatchment in SWMM 5 from a Digital Elevation Data (Step 1). The Subcatchments area created from a Flow Direction Raster (Step 2) and a Flow
Subject: How to Edit the Subcatchment Polygons in InfoSWMM with Arc Map
You can edit the polygon boundaries of the Subcatchments in Arc GIS by using the Editor command and either editing the vertices or by using the Reshape Feature Tool to adjust the boundaries or snap to the polygon … Read the rest
Subject: How to Import the SWMM 5 Report File as a Layer in infoSWMM
The idea of this blog of note is to show how one may extract information from the SWMM 5 or InfoSWMM RPT file and import the Excel File as a feature in InfoSWMM. This blog has
Note: How to Use Bing Maps in InfoSWMM as a Basemap
A great feature of Arc GIS 10 is the ability to use background maps from Bing for your model. A few steps are necessary to set up the coordinates, import the basemap, clip the basemap and set the new … Read the rest
Subject: Hierarchy of Your Network in InfoSWMM and H2OMAP SWMM
In both InfoSWMM and H2OMAP SWMM you can run a subset of the network by using the Facility Manager to make part of thenetwork inactive and not solved. You can make the output files smaller if you are performing … Read the rest
Subject: InfoSewer and H2OMAP Sewer New Features in 2011/2013
InfoSewer for Arc GIS 9 and 10 and H2OMAP Sewer had a many engine and GUI enhancements during 2011 to allow the programs to work better for models up to 50,000 elements that simulate water quality and hydrology. The improvements now
