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Questions tagged [mkoverlaypathrenderer]

12 questions
7
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0 answers

Draw direction arrow in polyline in MKMapView

I want to draw a polyline with the arrow direction. I understand that is not already include in the Mapkit. I tried to create a custom MKOverlayPathRenderer and override the drawMapRect but I'm a bit confused on how to do this. Is there any way to…
Hugo
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5
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1 answer

Polyline drawMapRect optimized drawing

I have lots of long polylines on a map. I'd like to optimize their drawing, because at a few thousand points the polylines are drawn incredibly slow. My drawMapRect looks like this : - for each polyline segment - verify if it's bounding box…
Templar
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4
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1 answer

Draw circle with hole by using MKOverlayRenderer does not work well

I'd like to draw circle with hole (like donut) on mapview. my code is here. - (void)drawMapRect:(MKMapRect)mapRect zoomScale:(MKZoomScale)zoomScale inContext:(CG ContextRef)context { WPCircleOverlay * circleOverlay = self.overlay; CGPoint…
Paul
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4
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1 answer

Custom MKOverlay with radius in meters

I made a custom overlay by making an NSObject subclass that conforms to the MKOverlay Protocol and a subclass of MKOverlayPathRenderer. My goal was to make a circular overlay that anchored to the user location on an MKMapView and I have that working…
barndog
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3
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1 answer

MKMapViewDelegate: How to identifiy overlay in rendererForOverlay

I'm adding two different MKGeodesicPolyline instances to an MKMapView like this CLLocation *LAX = [[CLLocation alloc] ...]; CLLocation *JFK = [[CLLocation alloc] ...]; CLLocation *LHR = [[CLLocation alloc] ...]; CLLocationCoordinate2D…
hennes
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Animated map overlay: How do I make an MKCircle expand from 0 to its full size when it gets added?

I would like to have my MKCircle expand from 0 to its specified radius size whenever it gets added to the map. MKOverlayRenderer is getting me a nice end result, but it adds the circle too spontaneously. I would like to animate it to have a smoother…
Jaime Connor
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2
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MKOverlayPathRenderer color dependent by property

I would like to draw a line on my mapview with a gradient, but the gradient color on a specific position should be dependent on a property from the line (e.g speed or altitude) I found several MKOverlayPathRenderer which can draw a gradient, but the…
Vario
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vote
2 answers

How to draw custom shapes on MKMapView

I need to draw custom shapes like Arc, Semi-circle? I tried the below code but it's not rendering anything on the MKMapView. Is this the right way to draw custom shapes? class ViewController: UIViewController { @IBOutlet weak var mapView:…
Anirudha Mahale
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2 answers

Scroll MKMapView Underneath Circle Drawn MKMapView

UPDATE I need to draw a circle onto a MKMapView, something where I can get the radius of the circle and it's center coordinate. However, I would also like the circle to be a subview of the MKMapView, so that the map view can scroll underneath the…
tentmaking
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1 answer

Adding MKOverlayPathRenderer as overlay to MKMapView gets exception

Everything said in topic, so here is the code - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. _pathRenderer = [[MKOverlayPathRenderer alloc] init]; …
htzfun
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How to create a static, actual width MKOverlayPathRenderer subclass?

I've been working on a simple path overlay to an existing MKMapView. It takes a CGMutablePath and draws it onto the map. The goals is that the path is drawn representing an actual width. e.g. The subclass takes a width in meters and converts that…
Ben Lachman
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how to get visible overlays in MapKit? (i.e. MKOverlay/MKOverlayRender from a Mapkit Ivew)

How does one get a list (array) of currently visible overlay from a MapkitView? Background - for example I want to show direction arrows to the center of certain Overlay types on my mapkitview, however how do I get the visible ones? There seems…
Greg
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