我不想在条形图视图中显示轴线。我只想显示条形图如何删除该轴线?
那就是每当我运行应用程序时,它会显示 XY 轴,但我可以删除的地方不会显示该轴线。我无法添加图像,所以我在这里添加了代码
在这里查看我的代码:
- (void)generateData
{
NSMutableDictionary *dataTemp = [[NSMutableDictionary alloc] init];
//Array containing all the dates that will be displayed on the X axis
dates = [NSArray arrayWithObjects:@"A", @"B", @"C",
@"D", @"E", nil];
//Dictionary containing the name of the two sets and their associated color
//used for the demo
sets = [NSDictionary dictionaryWithObjectsAndKeys:[UIColor redColor], @"Plot 1", nil];
//Generate random data for each set of data that will be displayed for each day
//Numbers between 1 and 10
for (NSString *date in dates) {
NSMutableDictionary *dict = [NSMutableDictionary dictionary];
for (NSString *set in sets) {
NSNumber *num = [NSNumber numberWithInt:arc4random_uniform(8)+1];
[dict setObject:num forKey:set];
}
[dataTemp setObject:dict forKey:date];
}
data = [dataTemp copy];
NSLog(@"%@", data);
}
- (void)generateLayout
{
//Create graph from theme
graph = [[CPTXYGraph alloc] initWithFrame:CGRectMake(0, 0, 320, 400)];
self.hostedGraph = graph;
/*graph.paddingLeft = 25.0;
graph.paddingTop = 10.0;
graph.paddingRight = 10.0;
graph.paddingBottom = 50.0;
*/
//Add plot space
CPTXYPlotSpace *plotSpace = (CPTXYPlotSpace *)graph.defaultPlotSpace;
plotSpace.delegate = self;
plotSpace.yRange = [CPTPlotRange plotRangeWithLocation:CPTDecimalFromFloat(0)
length:CPTDecimalFromFloat(10.0f)];
plotSpace.xRange = [CPTPlotRange plotRangeWithLocation:CPTDecimalFromFloat(-1.0f)
length:CPTDecimalFromFloat(8.0f)];
//Create a bar line style
CPTMutableLineStyle *barLineStyle = [[CPTMutableLineStyle alloc] init];
barLineStyle.lineWidth = 1.0;
barLineStyle.lineColor = [CPTColor whiteColor];
CPTMutableTextStyle *whiteTextStyle = [CPTMutableTextStyle textStyle];
whiteTextStyle.color = [CPTColor whiteColor];
//Plot
BOOL firstPlot = YES;
for (NSString *set in [[sets allKeys] sortedArrayUsingSelector:@selector(localizedCaseInsensitiveCompare:)]) {
CPTBarPlot *plot = [CPTBarPlot tubularBarPlotWithColor:[CPTColor blueColor] horizontalBars:NO];
plot.lineStyle = barLineStyle;
CGColorRef color = ((UIColor *)[sets objectForKey:set]).CGColor;
plot.fill = [CPTFill fillWithColor:[CPTColor colorWithCGColor:color]];
if (firstPlot) {
plot.barBasesVary = NO;
firstPlot = NO;
} else {
plot.barBasesVary = YES;
}
plot.barWidth = CPTDecimalFromFloat(0.5f);
plot.barOffset=CPTDecimalFromFloat(0.5f);
plot.barsAreHorizontal = NO;
plot.dataSource = self;
plot.identifier = set;
[graph addPlot:plot toPlotSpace:plotSpace];
[plotSpace scaleToFitPlots:[graph allPlots]];
}
//Add legend
CPTLegend *theLegend = [CPTLegend legendWithGraph:graph];
theLegend.numberOfRows = sets.count;
theLegend.fill = [CPTFill fillWithColor:[CPTColor colorWithGenericGray:0.15]];
theLegend.borderLineStyle = barLineStyle;
theLegend.cornerRadius = 10.0;
theLegend.swatchSize = CGSizeMake(15.0, 15.0);
whiteTextStyle.fontSize = 13.0;
theLegend.textStyle = whiteTextStyle;
theLegend.rowMargin = 5.0;
theLegend.paddingLeft = 10.0;
theLegend.paddingTop = 10.0;
theLegend.paddingRight = 10.0;
theLegend.paddingBottom = 10.0;
graph.legend = theLegend;
graph.legendAnchor = CPTRectAnchorTopLeft;
graph.legendDisplacement = CGPointMake(80.0, -10.0);
}
- (void)createGraph
{
//Generate data
[self generateData];
//Generate layout
[self generateLayout];
}
#pragma mark - CPTPlotDataSource methods
- (NSUInteger)numberOfRecordsForPlot:(CPTPlot *)plot
{
return dates.count;
}
- (double)doubleForPlot:(CPTPlot *)plot field:(NSUInteger)fieldEnum recordIndex: (NSUInteger)index
{
double num = NAN;
//X Value
if (fieldEnum == 0) {
num = index;
}
else {
double offset =0;
if (((CPTBarPlot *)plot).barBasesVary) {
for (NSString *set in [[sets allKeys] sortedArrayUsingSelector:@selector(localizedCaseInsensitiveCompare:)]) {
if ([plot.identifier isEqual:set]) {
break;
}
offset += [[[data objectForKey:[dates objectAtIndex:index]] objectForKey:set] doubleValue];
}
}
//Y Value
if (fieldEnum == 1) {
num = [[[data objectForKey:[dates objectAtIndex:index]] objectForKey:plot.identifier] doubleValue] + offset;
}
//Offset for stacked bar
else {
num = offset;
}
}
//NSLog(@"%@ - %d - %d - %f", plot.identifier, index, fieldEnum, num);
return num;
}
@end