The map I'm making has the labels for markers overlapping unless I zoom in so much that only a small section of the map is visible. I'm presenting the map as one static picture of the entire state that is supposed to show all of the marker labels. Is there a way I can display a view of the map that will show the entire state I'm trying to display in one image with all of the marker labels visible? Here is what it looks like now
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Is there any way to get a map snapshot with a tile overlay, for example for sharing or widgets?
MKMapView contains an addOverlay function that adds an MKTileOverlay overlay to the map. This is easy to do.
It is not possible to get a snapshot of such a composite view.
To get a snapshot of the map I used MKMapSnapshotter, which simply supplies a snapshot of any map slice. However, MKMapSnapshotter only gives the original map. If I need to add a layer, I have to draw it into the map snapshot. For simple layers like icons this is easy. But I don't know how to do it at all with a tile overlay.
I suppose I need to use MKTileOverlay to get an overlay image for the same area as the map snapshot. It is not a problem to merge such images. Unfortunately I don't know how to get it.
How to get a map image with a tile overlay?
I have created a map with leaflet which contains multiple overlays which are rather big in file size. I reduced resolution and converted them to webp, nonetheless, the file size is rather big.
The overlays are displayed across the world and are not needed at the same time. In order to reduce bandwidth and initial load time, I was considering if you can lazy load the overlays?
Is there a possibility to only load and display the overlays if there are currently displayed in the map view?
I imagine that reacting to map viewport changes would be possible to hook your dynamic display in.
I have a map that covers the entire screen and I have a layer that overlays the map. That layer goes from bottom to top.
the user interacts with this layer by clicking on different options and these options draw markers on the map.
When I centralize the map, the markers are hidden behind the layer that superimposes the map, thus eliminating the visibility of the marker.
How could I centralize the map and then move it one third above the layer?
This question is a remake of
How can I change the location center of a map using Leaflet API?
Try doing it this way
var offset = map.getSize().y * 0.15;
map.panBy(new L.Point(0, -offset), {animate: false});
But every time I click on an option in the layer to create a marker, the map moves and I lose the center.
jsfiddle
Excuse the example image
The idea is that after the map makes the setView place its center above the blue layer that superimposes the map so as not to hide the markers.
I have placed a marker on my map which is in a form of image. Now when the photo is clicked in my application using the latitude and longitude, it gets displayed on map. My question is when more than two pictures are clicked on same place then they get overlapped on each other, how can I view both the images? Below is the image provided which I want as a final result.
I have a layer with 7000+ polygons and am displaying a portion of the polygons in a web app using "setFilter" on map load. (The filter is choosing the polygons to display dynamically based on data from the url of the current page.)
However, I can't figure out how to make the map center on the particular polygons currently showing (the visible part of that layer), which means the user has to hunt around to find it. There can be multiple polygons visible at one time, and they are a range of different sizes. Any ideas?
If you have the feature collection of polygons that are visible on your map, you can use the turf-extent module to get the geographical extent of the visible polygons, and then call map.fitBounds(extent) to make all visible polygons within the viewport.