Latest posts

Dynamic Default Attributes in an ArcGIS Python Toolbox

This blogpost contains an overview of my struggles trying to create an ArcGIS python toolbox with dynamic default attributes: i.e. the values for these parameters would remain (slight variatons of) the same value for a long time. However, sometimes one or more parameter values would change drastically, which would make the newly supplied value the new default value.

EPA SWMM / Giswater Tutorial 4: Creating Conduits

This is the 4th episode in my tutorial on using EPA Storm Water Management Model (EPA SWMM) and Giswater for rainfall-runoff modeling for an urban drainage network system. This episodes describes how to create conduits in EPA SWMM, using QGIS and using SQL insert statements.

EPA SWMM / Giswater Tutorial 5: Outfalls

This is the 5th episode in my tutorial on using EPA Storm Water Management Model (EPA SWMM) and Giswater for rainfall-runoff modeling for an urban drainage network system.

EPA SWMM / Giswater Tutorial 3: Creating Junctions

This is the 3rd episode in my tutorial on using EPA Storm Water Management Model (EPA SWMM) and Giswater for rainfall-runoff modeling for an urban drainage network system. This episode describes how to create junctions in EPA SWMM, using QGIS and using SQL insert statements.

EPA SWMM / Giswater Tutorial 2: Project Setup

This is the 2nd episode in my tutorial on using EPA Storm Water Management Model (EPA SWMM) and Giswater for rainfall-runoff modeling for an urban drainage network system. This episode describes how to create new project in EPA SWMM, how to create a project using Giswater and the initial options that need to be set before we can start creating our network.