State symbol map with circle markers

library(canvasXpress)
y=read.table("https://www.canvasxpress.org/data/r/cX-map28-dat.txt", header=TRUE, sep="\t", quote="", row.names=1, fill=TRUE, check.names=FALSE, stringsAsFactors=FALSE)
canvasXpress(
data=y,
decorations=list(marker=list(list(color="rgba(0,119,187,0.7)", coords=list(39.65, -79), shape="sphere", size=3.5), list(color="rgba(0,119,187,0.7)", coords=list(39.7, -76.1), shape="sphere", size=2), list(color="rgba(0,119,187,0.7)", coords=list(39.5, -76.4), shape="sphere", size=3), list(color="rgba(0,119,187,0.7)", coords=list(39.4, -76.9), shape="sphere", size=3.1), list(color="rgba(0,119,187,0.7)", coords=list(39.35, -76.5), shape="sphere", size=3.4), list(color="rgba(0,119,187,0.7)", coords=list(39, -76.9), shape="sphere", size=2.4), list(color="rgba(0,119,187,0.7)", coords=list(39.3, -77.6), shape="sphere", size=1.9), list(color="rgba(0,119,187,0.7)", coords=list(39.55, -77), shape="sphere", size=2.3), list(color="rgba(0,119,187,0.7)", coords=list(39.45, -77.4), shape="sphere", size=1.6), list(color="rgba(0,119,187,0.7)", coords=list(39.2, -76.6), shape="sphere", size=4.1), list(color="rgba(0,119,187,0.7)", coords=list(39, -76.5), shape="sphere", size=2.8), list(color="rgba(0,119,187,0.7)", coords=list(38.9, -77), shape="sphere", size=3.9), list(color="rgba(0,119,187,0.7)", coords=list(38.4, -76.4), shape="sphere", size=2.9), list(color="rgba(0,119,187,0.7)", coords=list(38.6, -76.9), shape="sphere", size=2.7), list(color="rgba(0,119,187,0.7)", coords=list(38.35, -76.55), shape="sphere", size=1.4), list(color="rgba(0,119,187,0.7)", coords=list(38.2, -75.8), shape="sphere", size=3.7), list(color="rgba(0,119,187,0.7)", coords=list(38.35, -75.5), shape="sphere", size=3.5), list(color="rgba(0,119,187,0.7)", coords=list(38.6, -75.4), shape="sphere", size=3.1), list(color="rgba(0,119,187,0.7)", coords=list(38.4, -75.2), shape="sphere", size=2.6), list(color="rgba(0,119,187,0.7)", coords=list(39.1, -75.9), shape="sphere", size=2.6), list(color="rgba(0,119,187,0.7)", coords=list(38.55, -76.1), shape="sphere", size=1.8), list(color="rgba(0,119,187,0.7)", coords=list(38, -76.2), shape="sphere", size=2.8), list(color="rgba(0,119,187,0.7)", coords=list(38.1, -76), shape="sphere", size=3.9), list(color="rgba(0,119,187,0.7)", coords=list(38.4, -76.8), shape="sphere", size=1.5), list(color="rgba(0,119,187,0.7)", coords=list(38.3, -77), shape="sphere", size=1.8), list(color="rgba(0,119,187,0.7)", coords=list(38.5, -77.2), shape="sphere", size=3.1), list(color="rgba(0,119,187,0.7)", coords=list(39.6, -77.7), shape="sphere", size=1.7), list(color="rgba(0,119,187,0.7)", coords=list(39.4, -78.5), shape="sphere", size=3.6), list(color="rgba(0,119,187,0.7)", coords=list(39.3, -76.2), shape="sphere", size=3.9), list(color="rgba(0,119,187,0.7)", coords=list(38.75, -75.9), shape="sphere", size=3.5), list(color="rgba(0,119,187,0.7)", coords=list(38.05, -75.6), shape="sphere", size=4.2), list(color="rgba(0,119,187,0.7)", coords=list(39.5, -75.8), shape="sphere", size=1.6), list(color="rgba(0,119,187,0.7)", coords=list(39.25, -75.95), shape="sphere", size=4.3), list(color="rgba(0,119,187,0.7)", coords=list(38.15, -75.9), shape="sphere", size=1.9), list(color="rgba(0,119,187,0.7)", coords=list(38.9, -76.1), shape="sphere", size=1.4), list(color="rgba(0,119,187,0.7)", coords=list(39.75, -76.7), shape="sphere", size=4.4), list(color="rgba(0,119,187,0.7)", coords=list(39.7, -77.2), shape="sphere", size=1.4), list(color="rgba(0,119,187,0.7)", coords=list(38.65, -76.6), shape="sphere", size=2.6))),
graphType="Map",
mapColor="#ececec",
mapId="maryland",
mapOutlineColor="#9a9a9a",
showLegend=FALSE,
source="Synthetic data for illustration",
subtitle="Synthetic violation points per system, circle area proportional to points",
theme="bw",
title="Where do water systems rack up violations?",
topoJSON="https://www.canvasxpress.org/data/maps/MD.json"
)

from canvasxpress.canvas import CanvasXpress
from canvasxpress.plot import show_in_browser

if __name__ == "__main__":
  # Define the chart with its data and configuration
  chart: CanvasXpress = CanvasXpress(
    render_to = "map27",
    data = {
      "y": {
        "vars": ["Allegany", "Baltimore", "Cecil", "Carroll", "Frederick", "Garrett", "Howard", "Kent", "Harford", "Calvert", "Caroline", "Charles", "Dorchester", "Queen_Anne_s", "Somerset", "Talbot", "Wicomico", "Worcester", "Anne_Arundel", "Montgomery", "Prince_George_s", "St_Mary_s", "Mineral"],
        "smps": ["Base"],
        "data": [
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1]
        ]
      }
    },
    config = {
      "graphType": "Map",
      "topoJSON": "https://www.canvasxpress.org/data/maps/MD.json",
      "mapId": "maryland",
      "theme": "bw",
      "mapColor": "#ececec",
      "mapOutlineColor": "#9a9a9a",
      "showLegend": False,
      "title": "Where do water systems rack up violations?",
      "subtitle": "Synthetic violation points per system, circle area proportional to points",
      "decorations": {
        "marker": [
          {
            "coords": [39.65, -79],
            "shape": "sphere",
            "size": 3.5,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.7, -76.1],
            "shape": "sphere",
            "size": 2,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.5, -76.4],
            "shape": "sphere",
            "size": 3,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.4, -76.9],
            "shape": "sphere",
            "size": 3.1,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.35, -76.5],
            "shape": "sphere",
            "size": 3.4,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39, -76.9],
            "shape": "sphere",
            "size": 2.4,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.3, -77.6],
            "shape": "sphere",
            "size": 1.9,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.55, -77],
            "shape": "sphere",
            "size": 2.3,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.45, -77.4],
            "shape": "sphere",
            "size": 1.6,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.2, -76.6],
            "shape": "sphere",
            "size": 4.1,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39, -76.5],
            "shape": "sphere",
            "size": 2.8,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.9, -77],
            "shape": "sphere",
            "size": 3.9,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.4, -76.4],
            "shape": "sphere",
            "size": 2.9,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.6, -76.9],
            "shape": "sphere",
            "size": 2.7,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.35, -76.55],
            "shape": "sphere",
            "size": 1.4,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.2, -75.8],
            "shape": "sphere",
            "size": 3.7,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.35, -75.5],
            "shape": "sphere",
            "size": 3.5,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.6, -75.4],
            "shape": "sphere",
            "size": 3.1,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.4, -75.2],
            "shape": "sphere",
            "size": 2.6,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.1, -75.9],
            "shape": "sphere",
            "size": 2.6,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.55, -76.1],
            "shape": "sphere",
            "size": 1.8,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38, -76.2],
            "shape": "sphere",
            "size": 2.8,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.1, -76],
            "shape": "sphere",
            "size": 3.9,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.4, -76.8],
            "shape": "sphere",
            "size": 1.5,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.3, -77],
            "shape": "sphere",
            "size": 1.8,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.5, -77.2],
            "shape": "sphere",
            "size": 3.1,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.6, -77.7],
            "shape": "sphere",
            "size": 1.7,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.4, -78.5],
            "shape": "sphere",
            "size": 3.6,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.3, -76.2],
            "shape": "sphere",
            "size": 3.9,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.75, -75.9],
            "shape": "sphere",
            "size": 3.5,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.05, -75.6],
            "shape": "sphere",
            "size": 4.2,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.5, -75.8],
            "shape": "sphere",
            "size": 1.6,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.25, -75.95],
            "shape": "sphere",
            "size": 4.3,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.15, -75.9],
            "shape": "sphere",
            "size": 1.9,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.9, -76.1],
            "shape": "sphere",
            "size": 1.4,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.75, -76.7],
            "shape": "sphere",
            "size": 4.4,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.7, -77.2],
            "shape": "sphere",
            "size": 1.4,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.65, -76.6],
            "shape": "sphere",
            "size": 2.6,
            "color": "rgba(0,119,187,0.7)"
          }
        ]
      },
      "source": "Synthetic data for illustration"
    },
    width = 760,
    height = 480
  )

  # Display the chart in its own Web page
  show_in_browser(chart)

Run this notebook:

from canvasxpress.canvas import CanvasXpress
from canvasxpress.plot import graph

graph(
  CanvasXpress(
    render_to = "map27",
    data = {
      "y": {
        "vars": ["Allegany", "Baltimore", "Cecil", "Carroll", "Frederick", "Garrett", "Howard", "Kent", "Harford", "Calvert", "Caroline", "Charles", "Dorchester", "Queen_Anne_s", "Somerset", "Talbot", "Wicomico", "Worcester", "Anne_Arundel", "Montgomery", "Prince_George_s", "St_Mary_s", "Mineral"],
        "smps": ["Base"],
        "data": [
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1],
          [1]
        ]
      }
    },
    config = {
      "graphType": "Map",
      "topoJSON": "https://www.canvasxpress.org/data/maps/MD.json",
      "mapId": "maryland",
      "theme": "bw",
      "mapColor": "#ececec",
      "mapOutlineColor": "#9a9a9a",
      "showLegend": False,
      "title": "Where do water systems rack up violations?",
      "subtitle": "Synthetic violation points per system, circle area proportional to points",
      "decorations": {
        "marker": [
          {
            "coords": [39.65, -79],
            "shape": "sphere",
            "size": 3.5,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.7, -76.1],
            "shape": "sphere",
            "size": 2,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.5, -76.4],
            "shape": "sphere",
            "size": 3,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.4, -76.9],
            "shape": "sphere",
            "size": 3.1,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.35, -76.5],
            "shape": "sphere",
            "size": 3.4,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39, -76.9],
            "shape": "sphere",
            "size": 2.4,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.3, -77.6],
            "shape": "sphere",
            "size": 1.9,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.55, -77],
            "shape": "sphere",
            "size": 2.3,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.45, -77.4],
            "shape": "sphere",
            "size": 1.6,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.2, -76.6],
            "shape": "sphere",
            "size": 4.1,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39, -76.5],
            "shape": "sphere",
            "size": 2.8,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.9, -77],
            "shape": "sphere",
            "size": 3.9,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.4, -76.4],
            "shape": "sphere",
            "size": 2.9,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.6, -76.9],
            "shape": "sphere",
            "size": 2.7,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.35, -76.55],
            "shape": "sphere",
            "size": 1.4,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.2, -75.8],
            "shape": "sphere",
            "size": 3.7,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.35, -75.5],
            "shape": "sphere",
            "size": 3.5,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.6, -75.4],
            "shape": "sphere",
            "size": 3.1,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.4, -75.2],
            "shape": "sphere",
            "size": 2.6,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.1, -75.9],
            "shape": "sphere",
            "size": 2.6,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.55, -76.1],
            "shape": "sphere",
            "size": 1.8,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38, -76.2],
            "shape": "sphere",
            "size": 2.8,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.1, -76],
            "shape": "sphere",
            "size": 3.9,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.4, -76.8],
            "shape": "sphere",
            "size": 1.5,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.3, -77],
            "shape": "sphere",
            "size": 1.8,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.5, -77.2],
            "shape": "sphere",
            "size": 3.1,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.6, -77.7],
            "shape": "sphere",
            "size": 1.7,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.4, -78.5],
            "shape": "sphere",
            "size": 3.6,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.3, -76.2],
            "shape": "sphere",
            "size": 3.9,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.75, -75.9],
            "shape": "sphere",
            "size": 3.5,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.05, -75.6],
            "shape": "sphere",
            "size": 4.2,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.5, -75.8],
            "shape": "sphere",
            "size": 1.6,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.25, -75.95],
            "shape": "sphere",
            "size": 4.3,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.15, -75.9],
            "shape": "sphere",
            "size": 1.9,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.9, -76.1],
            "shape": "sphere",
            "size": 1.4,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.75, -76.7],
            "shape": "sphere",
            "size": 4.4,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [39.7, -77.2],
            "shape": "sphere",
            "size": 1.4,
            "color": "rgba(0,119,187,0.7)"
          },
          {
            "coords": [38.65, -76.6],
            "shape": "sphere",
            "size": 2.6,
            "color": "rgba(0,119,187,0.7)"
          }
        ]
      },
      "source": "Synthetic data for illustration"
    },
    width = 760,
    height = 480
  )
)

using CanvasXpress

canvasxpress(Dict(
  "y" => Dict(
    "vars" => ["Allegany", "Baltimore", "Cecil", "Carroll", "Frederick", "Garrett", "Howard", "Kent", "Harford", "Calvert", "Caroline", "Charles", "Dorchester", "Queen_Anne_s", "Somerset", "Talbot", "Wicomico", "Worcester", "Anne_Arundel", "Montgomery", "Prince_George_s", "St_Mary_s", "Mineral"],
    "smps" => ["Base"],
    "data" => [
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1],
      [1]
    ]
  )
);
  graphType = "Map",
  topoJSON = "https://www.canvasxpress.org/data/maps/MD.json",
  mapId = "maryland",
  theme = "bw",
  mapColor = "#ececec",
  mapOutlineColor = "#9a9a9a",
  showLegend = false,
  title = "Where do water systems rack up violations?",
  subtitle = "Synthetic violation points per system, circle area proportional to points",
  decorations = Dict(
    "marker" => [
      Dict(
        "coords" => [39.65, -79],
        "shape" => "sphere",
        "size" => 3.5,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.7, -76.1],
        "shape" => "sphere",
        "size" => 2,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.5, -76.4],
        "shape" => "sphere",
        "size" => 3,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.4, -76.9],
        "shape" => "sphere",
        "size" => 3.1,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.35, -76.5],
        "shape" => "sphere",
        "size" => 3.4,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39, -76.9],
        "shape" => "sphere",
        "size" => 2.4,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.3, -77.6],
        "shape" => "sphere",
        "size" => 1.9,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.55, -77],
        "shape" => "sphere",
        "size" => 2.3,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.45, -77.4],
        "shape" => "sphere",
        "size" => 1.6,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.2, -76.6],
        "shape" => "sphere",
        "size" => 4.1,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39, -76.5],
        "shape" => "sphere",
        "size" => 2.8,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.9, -77],
        "shape" => "sphere",
        "size" => 3.9,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.4, -76.4],
        "shape" => "sphere",
        "size" => 2.9,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.6, -76.9],
        "shape" => "sphere",
        "size" => 2.7,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.35, -76.55],
        "shape" => "sphere",
        "size" => 1.4,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.2, -75.8],
        "shape" => "sphere",
        "size" => 3.7,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.35, -75.5],
        "shape" => "sphere",
        "size" => 3.5,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.6, -75.4],
        "shape" => "sphere",
        "size" => 3.1,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.4, -75.2],
        "shape" => "sphere",
        "size" => 2.6,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.1, -75.9],
        "shape" => "sphere",
        "size" => 2.6,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.55, -76.1],
        "shape" => "sphere",
        "size" => 1.8,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38, -76.2],
        "shape" => "sphere",
        "size" => 2.8,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.1, -76],
        "shape" => "sphere",
        "size" => 3.9,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.4, -76.8],
        "shape" => "sphere",
        "size" => 1.5,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.3, -77],
        "shape" => "sphere",
        "size" => 1.8,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.5, -77.2],
        "shape" => "sphere",
        "size" => 3.1,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.6, -77.7],
        "shape" => "sphere",
        "size" => 1.7,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.4, -78.5],
        "shape" => "sphere",
        "size" => 3.6,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.3, -76.2],
        "shape" => "sphere",
        "size" => 3.9,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.75, -75.9],
        "shape" => "sphere",
        "size" => 3.5,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.05, -75.6],
        "shape" => "sphere",
        "size" => 4.2,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.5, -75.8],
        "shape" => "sphere",
        "size" => 1.6,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.25, -75.95],
        "shape" => "sphere",
        "size" => 4.3,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.15, -75.9],
        "shape" => "sphere",
        "size" => 1.9,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.9, -76.1],
        "shape" => "sphere",
        "size" => 1.4,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.75, -76.7],
        "shape" => "sphere",
        "size" => 4.4,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [39.7, -77.2],
        "shape" => "sphere",
        "size" => 1.4,
        "color" => "rgba(0,119,187,0.7)"
      ),
      Dict(
        "coords" => [38.65, -76.6],
        "shape" => "sphere",
        "size" => 2.6,
        "color" => "rgba(0,119,187,0.7)"
      )
    ]
  ),
  source = "Synthetic data for illustration"
)