Multiple flow direction floods hydrodynamic modelation
Project description
MFD Floods
A python script to model hidrologic behavior of downstream drainpaths. With a DTM cover of your study area you can define longitude and latitude (in the DTM distance unit) as a start point and an income flow to see how the water will flood the territory.
Installation
With pip pip install mfdfloods
From source python -m pip install -r /path/to/mfdfloods/directory
Dependencies
The script requires GDAL installed on your system and python-gdal as a python dependency.
To install GDAL execute apt install gdal-bin libgdal-dev.
Module
Execute .py from inside the folder to test the algorithm.
The test.py is a script that call the class MFD and execute its modelization with
the datasource from the data/ folder. There you have to place your GeoJSON files
with the modelized line geometry.
python test.py <path:data> <lng:float> <lat:float>
Arguments:
- data is the pathname of the data directory. There you have to place a
dtm.tif, amannings.tifand ahydrogram.csvfiles. - lng is the longitude in your reference dtm distance units.
- lat is the latitude in your reference dtm distance units.
The output will be placed in your data floder as three files with the name (draft|flood|speed)_{lng}-{lat}.tif.
Use
Include mfdfloods as a module on your scripts with from mfdfloods import MFD then instantiate the class MFD to execute its drainpaths method.
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