Le portail francophone de la géomatique

Bonjour,

Merci d'avoir apporter vous même la réponse quand vous l'avez trouvée

Bonne journée et à bientôt

Franck

Click the View menu, point to Graphs, then click Create Graph Create A New Graph.
Click the Graph type drop-down arrow and choose the Pie type Pie.
Click the Layer/Table drop-down arrow and choose the layer or table containing the data values that are to be graphed.
Click the Value field drop-down arrow and choose the field of values to graph. The wizard shows the initial version of the graph.
The wedges of the graph are initially displayed with the first data value starting at the three o'clock position and subsequent values plotted as subsequent wedges in the counterclockwise direction.

Sort the wedges in an ascending or descending order based on another field with the Sort field parameter.
Sort field
Specify a different field with which to label the wedges in the graph in Label field, commonly a text (string) field.
By default, the values of the input data are added to the legend of the graph. Uncheck the Add to legend check box to disable this.
Check the Show labels (marks) check box to see the wedges in the pie labeled with their actual values. This is useful when there are wedges of similar size, where small differences in their size may not be easily seen.
Change the color of the wedges in the graph with the Color control.
To create partial instead of full circles for the pie graph, reduce the Total Pie angle setting from the default of 360°.
Total Pie angle
Adjust in degrees the starting point of the pie graph from its default three o'clock position with the Rotate Pie control.
Highlight the largest single wedge of the pie with the Explode the biggest slice (%) control.
Uncheck the Show border check box to remove the outline of the pie and all of the wedges.
Click Next to proceed to the general properties page to complete your graph.