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GeoVis
Workspace
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Public
By
Afritz7
Edited
Apr 4
7
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
height
=
610
Insert cell
width
=
975
Insert cell
path_points
=
d3
.
geoPath
(
)
.
projection
(
projection
)
Insert cell
path_basemap
=
d3
.
geoPath
(
)
.
projection
(
projection
)
Insert cell
projection
=
d3
.
geoAlbers
(
)
Insert cell
format
=
d3
.
format
(
".2s"
)
Insert cell
//proportional symbols
//radius = d3.scaleSqrt([0, d3.max(attribute)], [0, 30])
Insert cell
radius
=
d3
.
scaleThreshold
(
)
.
domain
(
naturalbreaks
)
.
range
(
radiusArray
)
Insert cell
sizeArrayForLegend
=
Array
.
from
(
radiusArray
,
d
=>
Math
.
PI
*
Math
.
pow
(
d
,
2
)
)
Insert cell
radiusArray
=
[
3
,
9
,
23
,
40
]
Insert cell
circleLabels
=
Array
.
from
(
naturalbreaks
,
d
=>
format
(
Math
.
pow
(
d
,
2
)
)
)
Insert cell
colors
=
d3
.
scaleThreshold
(
)
.
domain
(
naturalbreaks
)
.
range
(
YlOrRd
)
Insert cell
YlOrRd
=
[
"#ffffb2"
,
"#fecc5c"
,
"#fd8d3c"
,
"#e31a1c"
]
Insert cell
naturalbreaks
=
simple
.
ckmeans
(
attribute
,
4
)
.
map
(
v
=>
v
.
pop
(
)
)
Insert cell
d3
.
max
(
attribute
)
Insert cell
attribute
=
Array
.
from
(
points
.
features
,
d
=>
Math
.
sqrt
(
d
.
properties
[
attributeName
]
)
)
Insert cell
attributeName
=
"AGE_65_UP"
Insert cell
idName
=
"OBJECTID"
Insert cell
//import the point data (geojson)
points
=
FileAttachment
(
"Private_Alternative_Fuel_Stations_WGS84.json"
)
.
json
(
)
Insert cell
//import the polygon base map data
basepolygons
=
FileAttachment
(
"States_48_centroids.geojson"
)
.
json
(
)
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
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colors
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naturalbreaks
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attribute
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attributeName
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idName
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simple
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topojson
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d3
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