Key Principles#

Gusnet is a QGIS Plugin. It will feel familiar to anyone who has used Epanet or any other water network modelling software.

It accessed in different ways within QGIS:

  1. Through the toolbar buttons or within the ‘Plugins’ menu.

  2. Through the Processing Toolbox. This gives more options and allows for automation, including chaining with other algorithms using the graphical modeller.

  3. Using Python in the Python Console. This allows for advanced functionality.

Overview of the UI

Whilst Gusnet is very flexible in how it’s used, the key principles are the following four steps:

  1. Model Creation. Draw the pipes, junctions, reservoirs, tanks, valve and pumps. These are just regular QGIS layers, lines and points. Use empty template layers; import an Epanet .inp file; or create them manually.

  2. Model Editing. Use external data sources for elevations, background maps and more.

  3. Running the simulation. Gusnet will run your model using Epanet and produce a link and a node layer containing the results.

  4. Viewing the results. Use all of QGIS’s styling functions to look at all the results in nodes and links - pressure, flow, head, etc. Use QGIS’s temporal manager to view how the results change over time.