Map Chart

Drawing a background map is the first step of any geospatial analysis. Once this background is available, you can color each region to get a choropleth map, add points or bubble to get a bubble map, reshape the region to get a cartogram, or show connection with a connection map.


Example Color Themes

Example Fonts

Aa Aa Aa Aa Aa Aa Aa Aa Aa Aa


Show Code

Tools

<!-- Include the CanvasXpress library in your HTML file -->
<link rel="stylesheet" href="https://www.canvasxpress.org/dist/canvasXpress.css" type="text/css"/>
<script src="https://www.canvasxpress.org/canvasXpress.min.js"></script>


<!-- Create a canvas element for the chart with the desired dimensions -->
<div>
  <canvas id="canvasId" width="600" height="600"</canvas>
</div>


<!-- Create a script to initialize the chart -->
<script>

  <!-- Create the data for the graph -->
  var data = false
  
  
  <-- Create the configuration for the graph -->
  var config = {
     "colorBy":"name",
     "decorations":{
        "connections":[
           {
              "color":"red",
              "source":[
                 40.7,
                 "-74"
              ],
              "target":[
                 37.7,
                 "-122"
              ],
              "type":"spline"
           },
           {
              "color":"red",
              "source":[
                 40.7,
                 "-74"
              ],
              "target":[
                 25.7,
                 -80.1
              ],
              "type":"spline"
           },
           {
              "color":"red",
              "source":[
                 37.7,
                 "-122"
              ],
              "target":[
                 25.7,
                 -80.1
              ],
              "type":"splineDashed"
           }
        ],
        "marker":[
           {
              "color":"blue",
              "coords":[
                 40.7,
                 "-74"
              ],
              "label":"New York",
              "shape":"teardrop",
              "size":5
           },
           {
              "color":"blue",
              "coords":[
                 37.7,
                 "-122"
              ],
              "label":"San Francisco",
              "shape":"teardrop",
              "size":5
           },
           {
              "color":"blue",
              "coords":[
                 25.7,
                 -80.1
              ],
              "label":"Miami",
              "shape":"teardrop",
              "size":5
           },
           {
              "color":"green",
              "coords":[
                 41.8,
                 -87.6
              ],
              "label":"Chicago",
              "shape":"circle",
              "size":4
           },
           {
              "color":"green",
              "coords":[
                 36.1,
                 -115.1
              ],
              "label":"Las Vegas",
              "shape":"circle",
              "size":3
           },
           {
              "color":"black",
              "coords":[
                 42.3,
                 "-71"
              ],
              "label":"Boston",
              "shape":"star",
              "size":6
           }
        ]
     },
     "graphType":"Map",
     "mapConfig":{
        "center":[
           "-90",
           "30"
        ]
     },
     "mapGraticuleShow":"true",
     "mapGraticuleType":"solid",
     "mapId":"worldCountries",
     "mapProjection":"orthographic",
     "showLegend":"false",
     "title":"Ortographic Projection",
     "topoJSON":"https://www.canvasxpress.org/data/worldLow.json"
  }
  

  <!-- Call the CanvasXpress function to create the graph -->
  var cX = new CanvasXpress("canvasId", data, config);


</script>

library(canvasXpress)
canvasXpress(
  data=FALSE,
  colorBy="name",
  decorations=list(connections=list(list(color="red", source=list(40.7, -74), target=list(37.7, -122), type="spline"), list(color="red", source=list(40.7, -74), target=list(25.7, -80.1), type="spline"), list(color="red", source=list(37.7, -122), target=list(25.7, -80.1), type="splineDashed")), marker=list(list(color="blue", coords=list(40.7, -74), label="New York", shape="teardrop", size=5), list(color="blue", coords=list(37.7, -122), label="San Francisco", shape="teardrop", size=5), list(color="blue", coords=list(25.7, -80.1), label="Miami", shape="teardrop", size=5), list(color="green", coords=list(41.8, -87.6), label="Chicago", shape="circle", size=4), list(color="green", coords=list(36.1, -115.1), label="Las Vegas", shape="circle", size=3), list(color="black", coords=list(42.3, -71), label="Boston", shape="star", size=6))),
  graphType="Map",
  mapConfig=list(center=list(-90, 30)),
  mapGraticuleShow=TRUE,
  mapGraticuleType="solid",
  mapId="worldCountries",
  mapProjection="orthographic",
  showLegend=FALSE,
  title="Ortographic Projection",
  topoJSON="https://www.canvasxpress.org/data/worldLow.json"
)
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