iOS核心打印滚动条不显示'；工作不好

使用CorePlot版本1.6。 运行iOS 8.3

我用核心图和散点图来表示多重线。 当我滚动时，图形移动到跳跃，并锁定。我不知道会发生什么。你能帮助我吗？ 这是我的代码：

#import <UIKit/UIKit.h>
#import "CorePlot-CocoaTouch.h"
@interface TemporalLineViewController:UIViewController<CPTPlotDataSource,
CPTScatterPlotDelegate>

@property (strong, nonatomic) IBOutlet CPTGraphHostingView *hostingView;

@end


@interface TemporalLineViewController (){
    NSMutableDictionary *dates;
}
@property (nonatomic, readwrite, strong) NSArray *plotData;
@end

@implementation TemporalLineViewController
-(CPTGraph *)createGraph{
   initWithFrame:CGRectMake(viewGraph.frame.origin.x, viewGraph.frame.origin.y, 500, viewGraph.frame.size.height)];

    CPTGraph *graph = [[CPTXYGraph alloc] initWithFrame:hostingView.bounds];
    [graph applyTheme:[CPTTheme themeNamed:kCPTSlateTheme]];
    hostingView.hostedGraph=graph;

    // Axes
    CPTXYAxisSet *axisSet = (CPTXYAxisSet *)graph.axisSet;
    CPTXYAxis *x          = axisSet.xAxis;
    x.majorIntervalLength         = CPTDecimalFromDouble(ONEDAY);
    x.orthogonalCoordinateDecimal = CPTDecimalFromDouble(0.0);
    x.minorTicksPerInterval       = 0;
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    [dateFormatter setDateFormat:@"dd/MM/yyyy"];
    CPTTimeFormatter *timeFormatter = [[CPTTimeFormatter alloc] initWithDateFormatter:dateFormatter];
    timeFormatter.referenceDate = [[NSDate alloc]init];
    x.labelFormatter            = timeFormatter;
    x.labelRotation             = CPTFloat(M_PI_4);

    CPTXYAxis *y = axisSet.yAxis;
    y.hidden=YES;
    y.orthogonalCoordinateDecimal = CPTDecimalFromInt(0);
    return graph;
}

-(void)createScatterPlot{

    CPTGraph * graph = [self createGraph];

    CPTXYPlotSpace *plotSpace = (CPTXYPlotSpace *)graph.defaultPlotSpace;
    NSTimeInterval xLow       = 0.0;
    plotSpace.xRange = [CPTPlotRange plotRangeWithLocation:CPTDecimalFromDouble(xLow) length:CPTDecimalFromDouble(ONEDAY * 10.0)];
    plotSpace.yRange = [CPTPlotRange plotRangeWithLocation:CPTDecimalFromDouble(-1) length:CPTDecimalFromDouble(5.0)];
    plotSpace.allowsUserInteraction = YES;
    plotSpace.allowsMomentum = YES;

    CPTScatterPlot *diagnosticPlot = [self createScatterPlotWithIdentifier:DIAGNOSTIC_PLOT withLineColor:[CPTColor greenColor] withFillColor:[CPTColor greenColor]];
    CPTScatterPlot *vaccinePlot = [self createScatterPlotWithIdentifier:VACCINE_PLOT withLineColor:[CPTColor blackColor] withFillColor:[CPTColor blackColor]];
    CPTScatterPlot *interventionPlot = [self createScatterPlotWithIdentifier:INTERVENTION_PLOT withLineColor:[CPTColor blueColor] withFillColor:[CPTColor blueColor]];
    CPTScatterPlot *smokingHabitPlot = [self createScatterPlotWithIdentifier:SMOKING_HABIT_PLOT withLineColor:[CPTColor yellowColor] withFillColor:[CPTColor yellowColor]];
    CPTScatterPlot *menstrualPlot = [self createScatterPlotWithIdentifier:MENSTRUAL_PLOT withLineColor:[CPTColor redColor] withFillColor:[CPTColor redColor]];
    CPTScatterPlot *menstrualTreatmentPlot = [self createScatterPlotWithIdentifier:MENSTRUAL_TREATMENT_PLOT withLineColor:[CPTColor orangeColor] withFillColor:[CPTColor orangeColor]];
    CPTScatterPlot *psychomotorMilestonePlot = [self createScatterPlotWithIdentifier:PSYCHOMOTOR_MILESTONE_PLOT withLineColor:[CPTColor purpleColor] withFillColor:[CPTColor purpleColor]];

    [graph addPlot:vaccinePlot toPlotSpace:plotSpace];
    [graph addPlot:diagnosticPlot toPlotSpace:plotSpace];
    [graph addPlot:interventionPlot toPlotSpace:plotSpace];
    [graph addPlot:smokingHabitPlot toPlotSpace:plotSpace];
    [graph addPlot:menstrualPlot toPlotSpace:plotSpace];
    [graph addPlot:menstrualTreatmentPlot toPlotSpace:plotSpace];
    [graph addPlot:psychomotorMilestonePlot toPlotSpace:plotSpace];   
}

-(CPTScatterPlot *)createScatterPlotWithIdentifier:(NSString *)identifier withLineColor:(CPTColor *)lineColor withFillColor:(CPTColor *) fillColor{
    CPTScatterPlot *dataSourceLinePlot = [[CPTScatterPlot alloc] init];
    dataSourceLinePlot.identifier = identifier;

    CPTMutableLineStyle *lineStyle = [dataSourceLinePlot.dataLineStyle mutableCopy];
    lineStyle.lineWidth              = 3.0;
    lineStyle.lineColor              = lineColor;
    dataSourceLinePlot.dataLineStyle = lineStyle;
    CPTPlotSymbol *plotSymbol2 = [CPTPlotSymbol ellipsePlotSymbol];
    plotSymbol2.fill               = [CPTFill fillWithColor:fillColor];
    plotSymbol2.size               = CGSizeMake(10.0, 10.0);
    dataSourceLinePlot.plotSymbol = plotSymbol2;

    return dataSourceLinePlot;
}

-(void)generateData{
    NSMutableArray *data = [NSMutableArray array];

    [data addObject:[self createDiagnosticData]];
    [data addObject:[self createVaccineData]];
    [data addObject:[self createInterventionData]];
    [data addObject:[self createSmokingHabitData]];
    [data addObject:[self createMenstrualData]];
    [data addObject:[self createMenstrualTreatmentData]];
    [data addObject:[self createPsychomotorMilestoneData]];
    self.plotData = data;
}

#pragma mark -
#pragma mark Plot Data Source Methods

-(NSUInteger)numberOfRecordsForPlot:(CPTPlot *)plot
{
    NSLog(@"numberOfRecordsForPlot");
    if ([plot.identifier isEqual:DIAGNOSTIC_PLOT]) {
        NSMutableArray *data = self.plotData[0];
        return data.count;
    }else if([plot.identifier isEqual:VACCINE_PLOT]){
        NSMutableArray *data = self.plotData[1];
        return data.count;
    } else if([plot.identifier isEqual:INTERVENTION_PLOT]){
        NSMutableArray *data = self.plotData[2];
        return data.count;
    } else if([plot.identifier isEqual:SMOKING_HABIT_PLOT]){
        NSMutableArray *data = self.plotData[3];
        return data.count;
    } else if([plot.identifier isEqual:MENSTRUAL_PLOT]){
        NSMutableArray *data = self.plotData[4];
        return data.count;
    } else if([plot.identifier isEqual:MENSTRUAL_TREATMENT_PLOT]){
        NSMutableArray *data = self.plotData[5];
        return data.count;
    } else if([plot.identifier isEqual:PSYCHOMOTOR_MILESTONE_PLOT]){
        NSMutableArray *data = self.plotData[6];
        return data.count;
    }
    return 0;
}

-(id)numberForPlot:(CPTPlot *)plot field:(NSUInteger)fieldEnum recordIndex:(NSUInteger)index
{
    NSLog(@"numberForPlot");
    if ([plot.identifier isEqual:DIAGNOSTIC_PLOT]) {
        NSMutableArray *data = self.plotData[0];
        NSString *str = [NSString stringWithFormat:@"%@",(data[index][@(fieldEnum)])];
        if ([str intValue]==0) {
            return nil;
        }
        return data[index][@(fieldEnum)];
    }else if([plot.identifier isEqual:VACCINE_PLOT]){
        NSMutableArray *data = self.plotData[1];
        NSString *str = [NSString stringWithFormat:@"%@",(data[index][@(fieldEnum)])];
        return data[index][@(fieldEnum)];
    }else if([plot.identifier isEqual:INTERVENTION_PLOT]){
        NSMutableArray *data = self.plotData[2];
        NSString *str = [NSString stringWithFormat:@"%@",(data[index][@(fieldEnum)])];
        return data[index][@(fieldEnum)];
    }else if ([plot.identifier isEqual:SMOKING_HABIT_PLOT]) {
        NSMutableArray *data = self.plotData[3];
        NSString *str = [NSString stringWithFormat:@"%@",(data[index][@(fieldEnum)])];
        if ([str intValue]==0) {
            return nil;
        }
        return data[index][@(fieldEnum)];
    }else if ([plot.identifier isEqual:MENSTRUAL_PLOT]) {
        NSMutableArray *data = self.plotData[4];
        NSString *str = [NSString stringWithFormat:@"%@",(data[index][@(fieldEnum)])];
        if ([str intValue]==0) {
            return nil;
        }
        return data[index][@(fieldEnum)];
    }else if ([plot.identifier isEqual:MENSTRUAL_TREATMENT_PLOT]) {
        NSMutableArray *data = self.plotData[5];
        NSString *str = [NSString stringWithFormat:@"%@",(data[index][@(fieldEnum)])];
        if ([str intValue]==0) {
            return nil;
        }
        return data[index][@(fieldEnum)];
    }else if([plot.identifier isEqual:PSYCHOMOTOR_MILESTONE_PLOT]){
        NSMutableArray *data = self.plotData[6];
        NSString *str = [NSString stringWithFormat:@"%@",(data[index][@(fieldEnum)])];
        return data[index][@(fieldEnum)];
    }
    return nil;
}

#导入
#导入“CorePlot CoCoCoTouch.h”
@接口临时视图控制器：UIViewController
@属性（强，非原子）IBMOutlet CPTGraphHostingView*hostingView；
@结束
@接口临时虚拟控制器（）{
NSMutableDictionary*日期；
}
@属性（非原子、读写、强）NSArray*plotData；
@结束
@临时虚拟控制器的实现
-（CPTGraph*）createGraph{
initWithFrame:CGRectMake（viewGraph.frame.origin.x，viewGraph.frame.origin.y，500，viewGraph.frame.size.height）]；
CPTGraph*graph=[[CPTXYGraph alloc]initWithFrame:hostingView.bounds]；
[图形应用程序主题：[CPT主题：kCPTSlateTheme]]；
hostingView.hostedGraph=图形；
//斧头
CPTXYAxisSet*axisSet=（CPTXYAxisSet*）graph.axisSet；
CPTXYAxis*x=axisSet.xAxis；
x、 majorIntervalLength=CPTDecimalFromDouble（一天）；
x、 正交坐标CIMAL=CPTDecimalFromDouble（0.0）；
x、 minorTicksPerInterval=0；
NSDateFormatter*dateFormatter=[[NSDateFormatter alloc]init]；
[日期格式化程序setDateFormat:@“dd/MM/yyyy”]；
CPTTimeFormatter*timeFormatter=[[CPTTimeFormatter alloc]initWithDateFormatter:dateFormatter]；
timeFormatter.referenceDate=[[NSDate alloc]init]；
x、 labelFormatter=时间格式化程序；
x、 labelRotation=CPTFloat（M_PI_4）；
CPTXYAxis*y=axisSet.yAxis；
y、 隐藏=是；
y、 正交坐标CIMAL=CPTDecimalFromInt（0）；
返回图；
}
-（无效）创建散点图{
CPTGraph*图形=[self createGraph]；
CPTXYPlotSpace*plotSpace=（CPTXYPlotSpace*）graph.defaultPlotSpace；
NSTimeInterval xLow=0.0；
plotSpace.xRange=[CPTPlotRange plotRangeWithLocation:CPTDecimalFromDouble（xLow）长度：CPTDecimalFromDouble（一天*10.0）]；
plotSpace.yRange=[CPTPlotRange plotRangeWithLocation:CPTDecimalFromDouble（-1）长度：CPTDecimalFromDouble（5.0）]；
plotSpace.allowUserInteraction=是；
plotSpace.allowsMomentum=是；
CPTSatterPlot*diagnosticPlot=[self CreateScatterPlot With Identifier:DIAGNOSTIC_PLOT With LineColor:[CPTColor greenColor]With FillColor:[CPTColor greenColor]]；
CPTSatterPlot*vaccinePlot=[self createScatterPlotWithIdentifier:VACCINE_PLOT withLineColor:[CPTColor blackColor]withFillColor:[CPTColor blackColor]]；
CPTSatterPlot*InterferencePlot=[self-createScatterPlotWithIdentifier:Interference_PLOT withLineColor:[CPTColor blueColor]withFillColor:[CPTColor blueColor]]；
CPTSatterPlot*smokingHabitPlot=[带有标识符的自创散点图：吸烟习惯\u带有lineColor:[CPTColor yellowColor]和fillColor:[CPTColor yellowColor]]的绘图；
CPTSatterPlot*MemenalPlot=[self createScatterPlotWithIdentifier:Memenal_PLOT withLineColor:[CPTColor redColor]withFillColor:[CPTColor redColor]]；
CPTSatterPlot*MenalTreatmentPlot=[self-createdScatterPlot with Identifier:Menal_TREATMENT_PLOT with LineColor:[CPTColor orangeColor]with FillColor:[CPTColor orangeColor]]；
CPTSatterPlot*psychomotorMilestonePlot=[self-createdScatterPlot with Identifier:PSYCHOMOTOR_MILESTONE_PLOT with LineColor:[CPTColor purpleColor]with FillColor:[CPTColor purpleColor]]；
[graph addPlot:vaccinePlot toPlotSpace:plotSpace]；
[graph addPlot:diagnosticPlot toPlotSpace:plotSpace]；
[graph addPlot:InterferencePlot-toPlotSpace:plotSpace]；
[graph addPlot:smokingHabitPlot toPlotSpace:plotSpace]；
[graph addPlot:PermenalPlot toPlotSpace:plotSpace]；
[graph addPlot:MenalTreatmentPlot-toPlotSpace:plotSpace]；
[graph addPlot:psychomotorMilestonePlot toPlotSpace:plotSpace]；
}
-（CPTSatterPlot*）创建带标识符的散点图：（NSString*）带lineColor的标识符：（CPTColor*）带fillColor的lineColor:（CPTColor*）fillColor{
CPTSatterPlot*数据源线性图=[[CPTSatterPlot alloc]init]；
dataSourceLinePlot.identifier=标识符；
CPTMutableLineStyle*lineStyle=[dataSourceLinePlot.dataLineStyle mutableCopy]；
lineStyle.lineWidth=3.0；
lineStyle.lineColor=lineColor；
dataSourceLinePlot.dataLineStyle=线型；
CPTPlotSymbol*plotSymbol2=[CPTPlotSymbol ellipsePlotSymbol]；
plotSymbol2.fill=[CPTFill fillWithColor:fillColor]；
plotSymbol2.size=CGSizeMake（10.0,10.0）；
dataSourceLinePlot.plotSymbol=plotSymbol2；
返回数据源线性图；
}
-（无效）生成数据{
NSMutableArray*数据=[NSMutableArray]；
[data addObject:[self-createDiagnosticData]]；
[data addObject:[self-createVaccineData]]；
[data addObject:[self-createInterventionData]]；
[data addObject:[self-createSmokingHabitData]]；
[数据添加对象：[自行创建月经数据]]；
[数据添加对象：[自创建月经治疗数据]；
[data addObject:[self-CreateMilestoneData]；
self.plotData=数据；
}
#布拉格标记-
#pragma标记图数据源方法
-（NSUInteger）numberOfRecordsForPlot:（CPTPlot*）绘图
{
NSLog（@“numberOfRecordsForPlot”）；
if（[plot.identifier isEqual:诊断图]）{
NSMUTABLEARRY*data=self.plotData[0]；
返回数据.count；
}else if（[plot.identifier isEqual:VACCINE\u plot]）{
NSMutableArray*data=self.plotData[1]；
返回数据.count；
}else if（[plot.identifier isEqual:INTERVENTION\u plot]）{
NSMutableArray*data=self.plotData[2]；
返回数据.count；
}else if（[plot.identifier isEqual:吸烟习惯\u plot]）{
NSMutableArray*data=self.plotData[3]；
返回数据.count；
}else if（[plot.identifier isEqual:月经曲线图]）{
NSMutableArray*data=self.plotData[4]；
返回数据.count；
}如果（[plot.identifier isEqual:月经治疗