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我一直在寻找这个问题的答案为3天,但无法弄清楚。ios coreplot多个y轴
我需要3个散点图添加到图形,这里是我的代码:
CPTXYAxis *x = [[CPTXYAxis alloc] init];
CPTXYAxis *lefty = [[CPTXYAxis alloc] init];
CPTXYAxis *righty = [[CPTXYAxis alloc] init];
x.coordinate = CPTCoordinateX;
lefty.coordinate = CPTCoordinateY;
righty.coordinate = CPTCoordinateY;
CPTAxisSet *axisSetTmp = [[CPTAxisSet alloc] init];
用于初始化和创建3个differend plotspaces像:
float xAxisMin = 0;
float xAxisMax = 350;
float yAxisMin = 0;
float yAxisMax = 50;
// We modify the graph's plot space to setup the axis' min/max values.
CPTXYPlotSpace *plotSpace = (CPTXYPlotSpace *)self.graph.defaultPlotSpace;
plotSpace.xRange = [CPTPlotRange plotRangeWithLocation:CPTDecimalFromFloat(xAxisMin) length:CPTDecimalFromFloat(xAxisMax - xAxisMin)];
plotSpace.yRange = [CPTPlotRange plotRangeWithLocation:CPTDecimalFromFloat(yAxisMin) length:CPTDecimalFromFloat(yAxisMax - yAxisMin)];
x.plotSpace = plotSpace;
终于创造我的情节,如:
CPTScatterPlot *plot = [[CPTScatterPlot alloc] init];
plot.dataSource = self;
plot.identifier = @"mainplot";
plot.dataLineStyle = lineStyle;
plot.plotSymbol = nil;
plot.plotSpace = plotSpace;
当我运行这个,3行被添加,但我只有1个y轴。无法弄清楚问题所在。
任何帮助将不胜感激。
我已经试过了,我现在有解决方案,它包括你的答案也和我发现我犯了一个错误,但现在将其清除出与coreplottest样本应用程序,但它是为Mac编写的,我现在将它移植到ios :)感谢您的支持:) – iremk 2012-08-15 07:18:28