Tag: 核心 情节

CorePlot：x轴与date，只有第一个date标签显示？

我有一个核心情节散点图在X轴上的date： NSDateComponents *dateComponents = [[NSDateComponents alloc] init]; [dateComponents setMonth:10]; [dateComponents setDay:29]; [dateComponents setYear:2009]; [dateComponents setHour:12]; [dateComponents setMinute:0]; [dateComponents setSecond:0]; NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar]; NSDate *refDate = [gregorian dateFromComponents:dateComponents]; NSTimeInterval oneDay = 24 * 60 * 60; CPTXYAxis *x = axisSet.xAxis; x.majorIntervalLength = CPTDecimalFromFloat(oneDay); x.orthogonalCoordinateDecimal = CPTDecimalFromString(@"2"); x.minorTicksPerInterval = 0; NSDateFormatter *dateFormatter = [[NSDateFormatter […]