Pitney Bowes MapInfo Professional - Manual (Page 266)

• Customizing Range Styles and Inflection Points
• Customizing the Map Legend of a Range Map
• Modifying a Thematic Map
Bar Chart Maps
Unlike thematic maps for single variables such as ranges of values or graduated symbols, a thematic
bar chart map allows you to examine more than one variable per record at a time. A bar chart is built for
every map object at the centroid of the object, enabling you to analyze the thematic variables in a particular
chart by comparing the height of the bars. You can also examine the same variable across all the charts
in your map.
You can customize the color of each bar, create a frame around each chart, and fill the empty space
inside the frame with a pattern or color. In addition, you can change the bar chart's orientation, such as
displaying horizontal bars instead of vertical (the default). You can also control where to display the
chart: over the object's centroid (the default) or any of eight other locations.
You can also change the type of bar chart. In our example, you can create a multi-bar chart, where each
thematic variable has its own bar, or a stacked bar chart with each thematic variable on top of one
another, or a graduated bar chart, where the bars are graduated in size based on some value. You can
also scale the bars in a multi-bar chart independently from one another. To show negative values in a
bar chart map, the bars extend in the opposite direction to the chart's orientation. Note that negative
values do not display in stacked bar charts.
Bar Chart Map
The Help System contains the following related topics:
• Creating a Bar Chart Map
• Customizing Bar Chart Styles on your Map
MapInfo Professional 12.5 266
Using Thematic Mapping to Analyze Information