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Show Flood Prediction Data on Map #23

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aswinmohanme opened this issue Aug 17, 2018 · 9 comments · May be fixed by #25
Closed

Show Flood Prediction Data on Map #23

aswinmohanme opened this issue Aug 17, 2018 · 9 comments · May be fixed by #25
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help wanted Extra attention is needed

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@aswinmohanme
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@aswinmohanme aswinmohanme added the help wanted Extra attention is needed label Aug 17, 2018
@Demisane
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Uploading a prediction rendered raster. This data entails watershed data in intersection with the rivers features obtained from osm. Sample image of floodzones currently being uploaded. https://i.imgur.com/uB7BQCc.png

@Demisane
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Just uploaded the floodzone around rivers tiff file to mapbox with id 'demisane.dffgs0yv' The darker colouration shows lower watershed where water will flow into.

@geohacker
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Looking at this now.
image

Will make a PR

@aswinmohanme
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When zooming in the colors mask the names of the places below them

@aswinmohanme
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Reducing opacity might help, I have set it at 0.4
screenshot from 2018-08-17 16-35-12

@Demisane
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Is it possible to keep two layers? One opaque and the other transparent. The colour variation should give people an idea of where to head out from and in what direction

@aswinmohanme
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What is this prediction based on ?

@Demisane
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Demisane commented Aug 17, 2018

watersheds, built those from slopes generated from digital elevation models obtained from ASTER. I have added a rescue request heatmap for Kerala (demisane.24pppbbz). Working on making a detailed one at the district level.
PS: Without the colour gradient info the image is just a buffer zone around rivers and streams.

@Demisane
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Heatmaps generated from data from 17th August 2018, collected by 1400UTC

Overall: demisane.24pppbbz
5k influence heatmap (less defined at low resolution): demisane.7e9rfjt5
2.5kinfluence heatmap (better defined at low resolution): demisane.d20zn6h1

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3 participants