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我一直在尋找這個問題的答案爲3天,但無法弄清楚。ios coreplot多個y軸
我需要3個散點圖添加到圖形,這裏是我的代碼:
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];
用於初始化和創建3個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;
終於創造我的情節,如:
CPTScatterPlot *plot = [[CPTScatterPlot alloc] init];
plot.dataSource = self;
plot.identifier = @"mainplot";
plot.dataLineStyle = lineStyle;
plot.plotSymbol = nil;
plot.plotSpace = plotSpace;
當我運行這個,3行被添加,但我只有1個y軸。無法弄清楚問題所在。
任何幫助將不勝感激。
我已經試過了,我現在有解決方案,它包括你的答案也和我發現我犯了一個錯誤,但現在將其清除出與coreplottest樣本應用程序,但它是爲Mac編寫的,我現在將它移植到ios :)感謝您的支持:) – iremk 2012-08-15 07:18:28