我一直在使用環節http://www.johnwordsworth.com/2011/10/adding-charts-to-your-iphone-ipad-app-using-core-plot/如何寫核心繪圖圖表日期時間值iphone
在這個例子中作者實現核心繪圖表同時使用浮點值X,Y點
但現在我需要使用的時間值,y軸的點,我應該如何編寫代碼分配X,Y點
AppDelegate *app = (AppDelegate*)[[UIApplication sharedApplication] delegate];
NSMutableArray * times = app.timesArray;
NSMutableArray * painlevels = app.PainlevelsArray;
[super viewWillAppear:animated];
//Xand y Points to draw a graph
NSMutableArray *data = [NSMutableArray array];
for(int i=0 ; i< [painlevels count]; i++)
{
[data addObject:[NSValue valueWithCGPoint:CGPointMake([[painlevels objectAtIndex:i]floatValue] , [[times objectAtIndex:i]floatValue])]];
}
// X,對於先前的整數y個作者例如浮動值
/* [數據ADDOBJECT:[NSValue valueWithCGPoint:CGPointMake(@ 「FD」,0)]]; [data addObject:[NSValue valueWithCGPoint:CGPointMake(-8,10)]]; [data addObject:[NSValue valueWithCGPoint:CGPointMake(-6,40)]]; [data addObject:[NSValue valueWithCGPoint:CGPointMake(-5,20)]]; [data addObject:[NSValue valueWithCGPoint:CGPointMake(0,50)]]; [data addObject:[NSValue valueWithCGPoint:CGPointMake(3,3)]]; [data addObject:[NSValue valueWithCGPoint:CGPointMake(4,18)]]; [data addObject:[NSValue valueWithCGPoint:CGPointMake(6,36)]]; [數據ADDOBJECT:[NSValue valueWithCGPoint:CGPointMake(9,66)]]; */
self.scatterPlot = [[ScatterPlot alloc] initWithHostingView:_graphHostingView andData:data];
[self.scatterPlot initialisePlot];