ORKIBGraphChartViewDataSource Class Reference
Inherits from | NSObject |
---|---|
Conforms to | ORKGraphChartViewDataSource |
Declared in | ORKGraphChartView.m ORKGraphChartView_Internal.h |
– numberOfPlotsInGraphChartView:
Asks the data source for the number of plots to be plotted by the graph chart view.
- (NSInteger)numberOfPlotsInGraphChartView:(ORKGraphChartView *)graphChartView
Parameters
graphChartView |
The graph chart view asking for the number of plots. |
---|
Return Value
The number of plots in the graph chart view.
Declared In
ORKGraphChartView.h
– graphChartView:numberOfDataPointsForPlotIndex:
Asks the data source for the number of value points to be plotted by the graph chart view at the specified plot index.
- (NSInteger)graphChartView:(ORKGraphChartView *)graphChartView numberOfDataPointsForPlotIndex:(NSInteger)plotIndex
Parameters
graphChartView |
The graph chart view asking for the number of value points. |
---|---|
plotIndex |
An index number identifying the plot in the graph chart view. This index is 0 in a single-plot graph chart view. |
Return Value
The number of range points in the plot at plotIndex
.
Declared In
ORKGraphChartView.h
– graphChartView:titleForXAxisAtPointIndex:
Asks the data source for the title to be displayed adjacent to each division in the x-axis (the
number returned by numberOfDivisionsInXAxisForGraphChartView:
). You can return nil
from this
method if you don’t want to display a title for the specified point index.
- (NSString *)graphChartView:(ORKGraphChartView *)graphChartView titleForXAxisAtPointIndex:(NSInteger)pointIndex
Parameters
graphChartView |
The graph chart view asking for the title. |
---|---|
pointIndex |
The index of the specified x-axis division. |
Return Value
The title string to be displayed adjacent to each division of the x-axis of the graph chart view.
Discussion
If this method is not implemented, the x-axis has no titles.
See also: numberOfDivisionsInXAxisForGraphChartView:
.
Declared In
ORKGraphChartView.h