- (IBAction)pinch:(UIPinchGestureRecognizer *)sender{

  CGFloat scale =[(UIPinchGestureRecognizer *)sender scale];
float searchRadius=(float)scale;
if(searchRadius*5<=4.99)
{

    for (CALayer *layer in self.view1.layer.sublayers) {
    [layer removeFromSuperlayer];
}


CAShapeLayer *circleLayer = [CAShapeLayer layer];

[circleLayer setBounds:CGRectMake(0.0f-2, 0.0f, [self.view1 bounds].size.width+3,
                                  [self.view1 bounds].size.height)];
[circleLayer setPosition:CGPointMake(CGRectGetMidX([self.view1  bounds]),CGRectGetMidY([self.view1 bounds]))];


UIBezierPath *path = [UIBezierPath bezierPathWithOvalInRect:CGRectMake(0, 0, CGRectGetWidth(self.view1.frame)*scale, CGRectGetHeight(self.view1.frame)*scale)];


[circleLayer setPath:[path CGPath]];


searchRadius=searchRadius*5;
NSMutableString *searchRadiusStr=[NSMutableString stringWithFormat:@"%.02f", searchRadius];
[searchRadiusStr appendString:@" mi"];
_searchRadiusLbl.text=searchRadiusStr;

[circleLayer setStrokeColor:[[UIColor colorWithRed:88/255.0 green:193/255.0 blue:130/255.0 alpha:1.0] CGColor]];

[circleLayer setLineWidth:1.0f];



[circleLayer setFillColor:[[UIColor colorWithRed:47/255.0 green:222/255.0 blue:117/255.0 alpha:0.2] CGColor]];

circleLayer.masksToBounds=YES;


[[self.view1 layer] addSublayer:circleLayer];

}