Published unlisted
Edited
Apr 1, 2021
1 fork
1 star
viewof oxleasWoodGeojson = showGeoJSON(
osmtogeojson(await overpass(oxleasWoodOverpass))
)
viewof oxleasWoodGrid = {
const bb = turf.bbox(oxleasWoodGeojson);
const grid = turf.squareGrid(bb, 10, {
units: 'metres',
mask: oxleasWoodGeojson
});
return showGeoJSON(grid);
}
// CLONE THE PREVIOUS VERSION
oxleasWoodGridFit = ({ ...oxleasWoodGrid })
// MUTATE THE CLONE
(oxleasWoodGridFit.features = oxleasWoodGrid.features.filter(feature =>
turf.booleanWithin(feature, oxleasWoodGeojson.features[0])
))
showGeoJSON(oxleasWoodGridFit)
// CLONE THE PREVIOUS VERSION
oxleasWoodGridFitIDs = ({ ...oxleasWoodGridFit })
// MUTATE THE CLONE - ASSIGN AN ID TO EACH CELL
(oxleasWoodGridFitIDs.features = oxleasWoodGridFit.features.map((el, i) => {
el.properties.id = i;
return el;
}))
// id shows on feature click
showGeoJSON(oxleasWoodGridFitIDs)
samplePercentage = 1
sample = {
const sample = [];
for (
let i = 0;
i <
Math.round((oxleasWoodGridFitIDs.features.length * samplePercentage) / 100);
i++
) {
sample.push(getRandomIntInclusive(0, oxleasWoodGridFit.features.length));
}
return sample;
}
// CLONE THE PREVIOUS VERSION
oxleasWoodGridFitIDsSample = ({ ...oxleasWoodGridFitIDs })
// MUTATE THE CLONE - FILTER OUT CELLS THAT AREN'T IN THE SAMPLE LIST
(oxleasWoodGridFitIDsSample.features = oxleasWoodGridFitIDs.features.filter(
(el, i) => sample.includes(el.properties.id)
))
One platform to build and deploy the best data apps
Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.