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Optimisation: rasterise region once #26

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famuvie opened this issue Apr 11, 2019 · 2 comments
Open

Optimisation: rasterise region once #26

famuvie opened this issue Apr 11, 2019 · 2 comments
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usability Improvements to the UX

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famuvie commented Apr 11, 2019

Currently, when several vector maps are used as risk factors, the function distance_map() is called for each one. This function determines the region of interest by rasterising the map of epidemiological units.
This operation should be done once for all.
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famuvie commented Apr 11, 2019

I need to refactor this function. It should take the raster of the region of interest as input, rather than computing it within the function. Perform one operation, and do it well. Leave the rasterisation outside.

@famuvie famuvie self-assigned this Apr 11, 2019
@famuvie famuvie added the usability Improvements to the UX label Apr 11, 2019
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famuvie commented Apr 11, 2019

Each unnecessary rasterisation costs a couple of seconds for the CMR example at default resolution.

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