mkcoordinateregion
MKCoordinateSpanMake: why specify longitude AND latitude delta?
If the distance corresponding开发者_StackOverflow社区 to one degree of longitude is a function of latitude, why do you have to specify longitudeDelta and latitudeDelta when calling MKCoordinateSpanMak[详细]
2023-04-10 07:55 分类：问答MKCoordinateregion's center changes when span changed - iphone
I have a MKCoordinateregion called region. I want to change span of this region without changing it\'s center. I am using following method to change zoom.[详细]
2023-04-09 13:07 分类：问答How to make the union between two MKCoordinateRegion
I\'m trying to do the union between two MKCoordinateRegion. Does anybody have an idea on how to 开发者_运维技巧do this?There is a MKMapRectUnion function which accepts two MKMapRects so you could firs[详细]
2023-03-22 03:17 分类：问答Why does MKMapView show incorrect radius
enter code hereMKCoordinateRegion viewRegion; viewRegion = M开发者_运维技巧KCoordinateRegionMakeWithDistance(CLLocationCoordinate2DMake(51.4998844,-0.1261814), 10*1000, 10*1000);[详细]
2023-03-20 06:21 分类：问答How do can I add 2 miles to viewRegion.span.latitudeDelta?
How do can I add 2 miles to viewRegion.span.latitudeDelta ? How do can I calculate kTwoMiles? MKCoordinateRegion viewRegio开发者_开发技巧n;[详细]
2023-03-18 19:23 分类：问答How to store current MKCoordinateRegion or zoom level?
I have an app which is providing a zoomable MKMapView to the user. I want to be able to store the user\'s preferred coordinates and zoom level for when the map view is first displayed.[详细]
2023-03-09 00:45 分类：问答Could a mapView.region.span.longitudeDelta or mapView.region.span.latitudeDelta be negative?
Could a map开发者_JS百科View.region.span.longitudeDelta or mapView.region.span.latitudeDelta be negative ?The delta cannot be a negative value. Because it is a kind of distance and distance cannot be[详细]
2023-02-19 05:04 分类：问答Will treating MKCoordinateRegion like a rectangle come back to haunt me?
Background: I\'m build a series of location-based apps that make heavy use of maps. These maps are annotated with locations fetched from a server, to which I pass regions of the map I need data for (d[详细]
2023-01-28 22:50 分类：问答iPhone dev - showing two locations on the map
Now I have the coordinate of two locations, let say locationA with latitude 40 and longitude -80, locationB with latitude 30 and longitude -70,[详细]
2022-12-29 16:46 分类：问答MKMapView span doubling bug
Setting the region in MKMapView occasionally results in the span being doubled. This bug seems t开发者_JAVA百科o appear early in the map initialization phase. Although it\'s been reported elsewhere I[详细]
2022-12-28 06:35 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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