Tropical Cyclones supported in inasafe 4.0

[Marco Bernasocchi]

Hi all,
just an heads up that thanks to the huge amount of work by all the devs
revamping the 4.0 architecture, I managed to include Tropical cyclone
support in a rather easy and painless way.

This commit [1] basically shows what you need to do to add a new hazard
type with specific classifications. And this [2] shows you how to add a
scale that can work with thresholds that can be in multiple units

Tropical cyclone support is now in InaSAFE and will be released in
version 4.0.

You can
- use continuous and classified raster hazard
- use continuous and classified polygon hazard
- use the Saffir-Simpson Hurricane Wind Scale (6 classes) in knots, kmh
and mph
- use the AU Buero of Metereology Tropical cyclone scale (6 classes) in
knots, kmh and mph
- use a generic high-medium-low scale
- use any of the above classes it your own thresholds (current way to
suport other 3 or 6 classes scales)

Further classifications can (and will) be added as soon as I get some
more time to work on them. It is a simple task for me once I've the
values of a scale in an spreadsheet so if you want to speed up the
process, please fill out the google sheets I prepared here

https://goo.gl/CstKK6


ciao
Marco


[1] https://goo.gl/jT3Kzx
[2] https://goo.gl/E6PH84

--
Marco Bernasocchi
opengis.ch - berna.io - 27summits.ch

[Tim Sutton]

Hi

This is great stuff Marco! I added some belated comments since your PR is already merged. Its very nice to see something not far off from plain english being used to create a new supported hazard. I hope it becomes one in a long line of new supported hazards and classifications that come into InaSAFE following the release of InaSAFE 4.0! 

Best regards

Tim

--
InaSAFE is a Free and Open Source Software project: http://inasafe.org
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