How do I disable markers at a certain zoom level.
Specifically I would not like to display markers when zooming at 6m, 1yr and All
plnkr here:
http://plnkr.co/edit/gReLtSy0WhA49q0NinpD?p=preview
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I took highcharts example from their demos and changed zoomType to xy. Problem is with zooming on mobiles. When I am in process of zooming with pinch, the series goes way out of plotting area (in both directions) but it does snap back in correct area when I release the pinch.
codesandbox: https://codesandbox.io/s/91k0lzzxvo?file=/src/Hello.js:2409-2413
fullscreen demo so that it can be opened in mobile phones: https://codesandbox.io/embed/91k0lzzxvo?codemirror=1
I want to update pins on map view when we zoom in and zoom out.For Example I have multiple location on map view now now when I zoom in any one of them So the radius is updated and now those place which are still in radius will remain visible others are remove which are out of the radius.
Any kind of help would be appreciate able.....
I'm providing an MKMapView with an MKTileOverlay that replaces the map content. The backing tile provider only goes up to zoom level 15. If the user zooms in beyond zoom level 15 it upscales the level 15 tiles on the map instead of going blank.
However, if there is an MKPolygon or MKPolyline present in the map sector, it will only display the shape. It will no longer render the backing tile under it. This only happens when you overzoom.
I've seen some discussiong about overzooming in MapKit but they all seem to be related to versions prior to iOS 7 when a large amount of the Maps appear to have been changed.
Does anyone have experience with this?
I realized that I was completely misinterpreting the functionality that MapKit provides for Map Tiles.
When I zoomed in and saw that my Tiles were rendering I assumed it was an overzoom feature. When the areas that had Polygons were not rendering the Map Tiles as these zoom levels I thought the Polygon Renderer was somehow shutting off the tile Renderer. As it turns out, because the only active renderer at that zoomed in level was the Polygon renderer that was the only part of the canvas being redrawn, so the rest of the canvas was just still showing what it already had on there.
In laymans' terms:
The Map Tile Renderer tells the map "I can draw this large area at zoom levels 0-5." The Polygon Renderer tells the map "I can draw this small area at all zoom levels."
When I'm at zoom level 5 both the Map Tile Renderer and the Polygon Renderer kick off and draw the regions they can handle. When I move into zoom level 6 only the Polygon Renderer kicks off. The map says "I have a renderer that can draw in this region so I'm going to redraw it with that information." Because the Map Tile Renderer doesn't provide tiles for zoom level 6 it won't kick off. The rest of the map still has tiles because there is no renderer that can draw for it, so the map just keeps what it already has on the canvas.
tl;dr: I mistook MapKit not making superfluous draw calls as an overzooming feature.
I have multiple Annotations in my map I need to see annotation dependent on map zoom level. like if zoom level is max then show all annotations and if zoom level is min show half annotations. but I am unable to do this.
You can just change the map zoom level using the following line:
mkMkMapview.camera.altitude *= 1.4
You can put your priority depending on Annotations.
I'm trying to find an easier way to set and get a "zoom level" for an MKMapView than being changing its region's span, something more intuitive such as an integer zoom level... I need to programmatically change zoom and to frequently check the zoom level to determine if I should show or hide certain map overlays.
Thanks in advance.
You could use this category, it can get and set a zoomlevel : https://github.com/johndpope/MKMapViewZoom