[GitHub] avrilpearl opened a new pull request #3408: Added Features to Country Map

[gi...@git.apache.org]

avrilpearl opened a new pull request #3408: Added Features to Country Map
URL: https://github.com/apache/incubator-superset/pull/3408
 
 
   I have added more functionality to the Country Map Visualization type, specific to standard Choropleth map generation in the Geography world:
   
   - the ability to specify the scale for the choropleth map (linear, quantize, quantile) <img width="231" alt="screen shot 2017-09-01 at 2 30 51 pm" src="https://user-images.githubusercontent.com/9359261/29983144-80055c4c-8f22-11e7-8638-900cf8decad0.png">
   - the ability to specify the number of buckets to group your data in (3-12) <img width="225" alt="screen shot 2017-09-01 at 2 34 06 pm" src="https://user-images.githubusercontent.com/9359261/29983165-a879f796-8f22-11e7-9f6c-981a122d9a84.png">
   - the ability to display a legend <img width="75" alt="screen shot 2017-09-01 at 2 35 40 pm" src="https://user-images.githubusercontent.com/9359261/29983243-ee6260cc-8f22-11e7-9b84-fccaffd0a5d4.png"> <img width="495" alt="screen shot 2017-09-01 at 2 35 49 pm" src="https://user-images.githubusercontent.com/9359261/29983230-e10f2162-8f22-11e7-86dc-61b9c653ee37.png">
   - the ability to specify the numerical format of your data for display in the hover feature and the legend <img width="172" alt="screen shot 2017-09-01 at 2 38 08 pm" src="https://user-images.githubusercontent.com/9359261/29983331-50100da6-8f23-11e7-8d95-28d36c298a9b.png"> <img width="447" alt="screen shot 2017-09-01 at 2 37 57 pm" src="https://user-images.githubusercontent.com/9359261/29983319-45c2f016-8f23-11e7-9247-37aa86085962.png">
   - a broader set of color shemes to pick from based on the mapping scales from [colorbrewer](http://colorbrewer2.org/#type=sequential&scheme=BuGn&n=3) and made sure all values have a border because now the color scheme consists of more than just 'white' for lighter values   
   <img width="450" alt="screen shot 2017-09-01 at 2 38 17 pm" src="https://user-images.githubusercontent.com/9359261/29983356-74c7f37a-8f23-11e7-87b9-137799025664.png">
   
   _Note_ : As the linear color scheme also impacts the heatmap viz, the added color schemes are available in the selector for that viz type.
   
 
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