### Mapping on Cross-Tab summaries (Cross-Tab layout)

With the Cross-Tab layout, you can map on a Cross-Tab summary field. For example, with a Cross-Tab that shows the total number of items of a product sold in each region of the United States, you may want to include a map that shows the percentage of the total sales of the product provided by each region.

In order to create a Cross-Tab map you must first have a Cross-Tab in your report. For more information about Cross-Tabs, see Cross-Tab Objects.

###### To map on a Cross-Tab summary

1. Select the Cross-Tab summary field you want to base your map on.
2. On the `Insert` menu, click `Map`.

   The Map Expert dialog box appears.

3. On the `Data` tab, in the `Layout` area, click `Cross-Tab`.
4. In the `Placement` area, click `Header` or `Footer` to specify where to place your map.
5. In the `Data` area, in the `Geographic field` list, click a geographic field to supply the geographic areas for your map.
6. If necessary, in the `Subdivided by` list, click another field to map on.
7. Seagate Crystal Reports uses this field to subdivide the pie or bar charts appearing on your map.
8. In the `Map on` list, click a summary field to supply the numeric data for your map.
9. Click the `Type` tab.
10. Click the map type that best illustrates your data. See Map types.
    - If you plan to map on only one field, be sure to select `None` from the `Subdivided by` list, then choose either the Ranged, Dot Density, or Graduated map type.
    - If you plan to map on two fields, be sure to select an additional field from the `Subdivided by` list, then choose either the Pie Chart or Bar Chart map type.
11. In the `Options` area, apply formatting options to your map.
12. Click the `Text` tab.
13. In the `Map title` field, enter a title for your map.
14. In the `Legend` area, you can click one of the following options:
    - `Full legend` to show a detailed legend on your map
    - `Compact legend` to show a condensed legend on your map
    - `No legend` to exclude the legend from your map.
15. If you click `Full legend`, click `Made by map` to have Seagate Crystal Reports create a legend title based on your map, or click `Specify` to enter your own legend title and subtitle.
16. Click OK.

    Your map is placed in the Header or Footer section of the report, depending on your selection in Step 4.

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