I am working on an ios app using ti.map module(titanium),the problem im facing here is when i zoomout of the map page completely the app closes itself.please sugguest how can I solve this issue,is there anything like setting minimum/maximum zoom level for ios to zoomout of the map? ,as soon as possible so as it would help us for releasing the app to stores.
You should use the "zoom" method of the mapview. Referance http://docs.appcelerator.com/platform/latest/#!/api/Titanium.Map.View-method-zoom
A positive value increases the current zoom level and a negative value decreases the zoom level. Each increase in zoom level increases the magnification by a factor of two.
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I just want some hint of how can I create an app in iOS which can do following.
When a user is at point X, user will click on start button so app will start a timer and track the movement. User will be on a horse and user needs to ride in a full circle. When user comes back to point X the app should draw the route taken by the user on the horse.
Aim is to ride completely in a circle. I want to make this app to
practice and see how close to a circle I ride.
I tried to look at GPS locator but I am not sure whether it will give me efficient results because the circle I ride can be as small as 60m or less in radius.
I don't know if iOS GPS can be this accurate. I read article on motion sensor and how to track rotation and acceleration.
But I am not quite sure how to use that to my advantage.
I just need some tips like which API to use etc.
Using the Standard Positioning Service one can achieve 15 meter
horizontal accuracy 95% of the time. This means that 95% of the time,
the coordinates you read from your GPS receiver display will be within
15 meters of your true position on the earth.
More Information click here
For integrate Map and draw path using current position google map is good option for integrate in iOS mobile .
small and range and get accurate result use indoor position system.
For more information about Indoor positioning system (IPS) click here
http://developer.estimote.com/
and Github iOS demo : get code
I'm using MKMapView to display a map on my iOS app. I've simulated my location to London for the sake of example as I know it has high quality aerial imagery.
Here is a picture from Apple's own Maps app. No problems, super quality:
Here is the same place from my app at the approximately same zoom level:
It looks like it's zoomed out, cropped and zoomed into that region as satellite image is from a more "zoomed out" zoom level. At that level, all the labels disappear too (in Maps), but I've got the labels. I've got multiple instances of MKMapView and the problem is present on all of them. I don't have any special filters, scaling, or anything that would affect the rendering of the maps. In other words, the view instances themselves aren't "zoomed in" in any way. What is exactly going on and how can I make MKMapView render the map at the quality where Maps renders it?
If you are using MKMapTypeSatellite type map, consider that this type has been abandoned by Apple.
Try using MKMapTypeSatelliteFlyover or MKMapTypeHybridFlyover for a better quality.
I'm developing a BlackBerry 10 mobile application using the Momentics IDE (native SDK).
I want to display a map using the mapview qml element which seems that it belongs to the blackberry team (it's not a google map). [ Blackberry 10 mapview ]
All I want is to configure the zoom level like google do, but it looks like the blackberry map doesn't have any attribute which can guarantee that except the "altitude" element which can assign some sort of zoom .
Any one can help on this ?
The altitude property is indeed the one you use for zooming. The paradigm is "how much area is viewable from a given altitude?"
To zoom in and zoom out from the map uses the altitude property.
To create zoom in/out animation you can use a simple javascript function that manages the animation. (For example implementing Elastic or Circular animation. See the Blackberry Stock Curves documentation for more details).
Instead, if you want determinate the viewable area from a given altitude you should work with the map scale
http://www.geog.ucsb.edu/~jeff/115a/lectures/scale_and_area_measurement.html
regards
We have an iPhone app that uses mapbox to display offline maps created using tilemill. In previous versions of Mapbox the user could zoom in as much as they wanted even though the map had only be created to a level 15 zoom. This was important to us as we overlay a GPX track and waypoints over the map and it is important we can zoom in to view that information. The map of course distorted but wasn't a major issue.
We have created various maps with tilemill however we are finding that to be able to zoom in to the level we require needs a map of 100s of megabytes which is not feasible for an iPhone app. In previous editions of Mapbox the user was able to zoom in further than the zoom set when creating the app.
Is there any way to zoom into the maps further? or are there any other alternatives to view offline maps on a mobile device?
Thanks.
Additional comment: Another option would be to hide all data at zoom levels above 17 so that the map would go blank above zoom 17. i.e. user can zoom in but once they past a certain point the map goes blank. Therefore not requiring the thousands of tile images above zoom level 17. How could we do that in Tilemill?
I'm working on an app that tries to keep two MKMapView's synchronized with respect to scale. I spent a few days debugging on the iOS simulator, and was getting increasingly frustrated that attempts to set a map view's scale, whether by setting the region or the MapRect, yielded results wildly different than I expected.
When I tried the app on the most convenient iOS device at hand (iPad mini), MapKit was working mostly as expected and I was able to resolve the remaining nuances quickly. At this point, I can get both maps on the device to display identical areas (down to 10m or less in each dimension); on the simulator, setting a map's scale yields a result sometimes off as much as 2x the scale expected.
Has anybody else experienced this disparity between the simulator and the device? If so, any explanation?
Thanks in advance.
the scale of mapkit cannot be set accuratley, neither for one view, nor for both.
At least this is valid before ios 6.
The reason is that mapkit zooms to the next suitable google resoultion, if you want lets say a scale 5% bigger than the next google map, it will still snap to the google resol.
so up to and including ios 5 it is not possible to programatically zoom to an exact value. (i saw no post that mentioned the behavior in ios 6 apple maps)
So in your case, one view could match one of the 16 google zoom levels, while the other view falls in another zoom level.