Grid and Irregular Grid Data
For grid and irregular grid data, the Chart3DData object defines the following properties which control the data to be displayed in the chart:
· The RowCount and ColumnCount properties define the number of rows and columns of data.
· The RowOrigin and ColumnOrigin properties specify the origins of the X-axis and Y-axis respectively.
· RowDelta and ColumnDelta are indexed properties which specify the space between neighboring rows and columns. For example, the following statement specifies a distance of 2.5 between the first row and second row of the chart:
Chart3D1.ChartGroups(1).ElevationData.RowDelta(1) = 2.5
If the data is regularly-gridded, RowDelta and ColumnDelta each have only one value.
· The Value property specifies the Z-coordinate of a particular data point. This property is indexed by row and column. For example, the statement
Zval = Chart3D1.ChartGroups(1).ElevationData.Value(1, 3)
assigns the Z-coordinate of the point in the first row and third column to Zval.
Changing Data Values