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.

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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.

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Erwin Sterrenburg

Scribblings of World’s Most Curious Anteater

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