Clicking the links below will lead you to important information about 2D heat map charts:
About 2D Heat Map Charts — Gives you a brief description of 2D heat map charts, and explains why you would want to use them.
Working with 2D Heat Map Chart Data — Provides information on the type of data necessary to generate 2D heat map charts (e.g., number of columns and rows), as well as how data is mapped to it.
2D Heat Map Chart-Specific Properties — Provides a list of all the properties that are specific to 2D heat map charts. These properties allow you to customize your chart.