當您創建散點圖時,它會自動標記圖上的點。我覺得這很煩人,想關閉它,因爲它對我們正在做的事沒有用處。有沒有刪除所有標籤的方法?Core-Plot CPTScatterPlot數據標籤
要清楚,這些顯示沒有添加任何註釋..我想刪除此默認行爲。
我想刪除的1,2,3,4,5,6,7等在圖中。
這是我用來創建圖形的代碼。正如你可以看到它不設置任何註釋等
-(void) constructScatterPlot
{
// Create graph from theme
graph = [[CPTXYGraph alloc] initWithFrame:CGRectZero];
CPTTheme *theme = [CPTTheme themeNamed:kCPTDarkGradientTheme];
[graph applyTheme:theme];
scatterPlotView.hostedGraph = graph;
graph.paddingLeft = 0.0;
graph.paddingTop = 0.0;
graph.paddingRight = 0.0;
graph.paddingBottom = 0.0
// Setup plot space
CPTXYPlotSpace *plotSpace = (CPTXYPlotSpace *)graph.defaultPlotSpace;
plotSpace.allowsUserInteraction = NO;
plotSpace.xRange = [CPTPlotRange plotRangeWithLocation:CPTDecimalFromFloat(-2.5) length:CPTDecimalFromFloat(28)];
plotSpace.yRange = [CPTPlotRange plotRangeWithLocation:CPTDecimalFromFloat(-5) length:CPTDecimalFromFloat(desiredPeak+10)];
NSArray *exclusionRanges = [NSArray arrayWithObjects:[CPTPlotRange plotRangeWithLocation:CPTDecimalFromFloat(-1) length:CPTDecimalFromFloat(-100)],
[CPTPlotRange plotRangeWithLocation:CPTDecimalFromFloat(25) length:CPTDecimalFromFloat(10000)], nil];
// Axes
CPTXYAxisSet *axisSet = (CPTXYAxisSet *)graph.axisSet;
CPTXYAxis *x = axisSet.xAxis;
x.majorIntervalLength = CPTDecimalFromString(@"4");
x.minorTicksPerInterval = 4;
x.minorTickLength = 5.0f;
x.majorTickLength = 7.0f;
x.orthogonalCoordinateDecimal = CPTDecimalFromString(@"0");
x.minorTicksPerInterval = 10;
x.labelExclusionRanges = exclusionRanges;
exclusionRanges = [NSArray arrayWithObjects:[CPTPlotRange plotRangeWithLocation:CPTDecimalFromFloat(-1) length:CPTDecimalFromFloat(-100)],
[CPTPlotRange plotRangeWithLocation:CPTDecimalFromFloat(101) length:CPTDecimalFromFloat(10000)], nil];
CPTXYAxis *y = axisSet.yAxis;
y.majorIntervalLength = CPTDecimalFromString(@"10");
y.minorTicksPerInterval = 20;
y.orthogonalCoordinateDecimal = CPTDecimalFromString(@"0");
y.labelExclusionRanges = exclusionRanges;
// Put an area gradient under the plot above
CPTColor *areaColor = [CPTColor colorWithComponentRed:0.3 green:1.0 blue:0.3 alpha:0.8];
CPTGradient *areaGradient = [CPTGradient gradientWithBeginningColor:areaColor endingColor:[CPTColor clearColor]];
areaGradient.angle = -90.0f;
CPTFill *areaGradientFill = [CPTFill fillWithGradient:areaGradient];
// Create a blue plot area
CPTScatterPlot *boundLinePlot = [[CPTScatterPlot alloc] init];
boundLinePlot.identifier = @"Blue Plot";
CPTMutableLineStyle *lineStyle = [boundLinePlot.dataLineStyle mutableCopy];
//lineStyle.miterLimit = 1.0f;
lineStyle.lineWidth = 3.0f;
lineStyle.lineColor = [CPTColor blueColor];
lineStyle.dashPattern = [NSArray arrayWithObjects:[NSNumber numberWithFloat:5.0f], [NSNumber numberWithFloat:5.0f], nil];
boundLinePlot.dataSource = self;
boundLinePlot.cachePrecision = CPTPlotCachePrecisionDecimal;//Double;
boundLinePlot.interpolation = CPTScatterPlotInterpolationCurved;//Histogram;
[graph addPlot:boundLinePlot];
// Do a blue gradient
CPTColor *areaColor1 = [CPTColor colorWithComponentRed:0.3 green:0.3 blue:1.0 alpha:0.8];
CPTGradient *areaGradient1 = [CPTGradient gradientWithBeginningColor:areaColor1 endingColor:[CPTColor clearColor]];
areaGradient1.angle = -90.0f;
areaGradientFill = [CPTFill fillWithGradient:areaGradient1];
boundLinePlot.areaFill = areaGradientFill;
boundLinePlot.areaBaseValue = [[NSDecimalNumber zero] decimalValue];
CABasicAnimation *fadeInAnimation = [CABasicAnimation animationWithKeyPath:@"opacity"];
fadeInAnimation.duration = 1.0f;
fadeInAnimation.removedOnCompletion = NO;
fadeInAnimation.fillMode = kCAFillModeForwards;
fadeInAnimation.toValue = [NSNumber numberWithFloat:1.0];
[boundLinePlot addAnimation:fadeInAnimation forKey:@"animateOpacity"];
}
因此,一些被默認開啓..
感謝任何及所有的幫助。
-David
symbolTextAnnotation = nil – casillic 2013-02-17 00:37:33
我在哪裏設置?我沒有設置任何東西,註釋等。 – 2013-02-17 06:17:03