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2014/10/16 ¤W¤È 08:12:32
android Programming Glossary: distancesHow to get the rotation between accelerometer's axis and motion vector? http://stackoverflow.com/questions/10207044/how-to-get-the-rotation-between-accelerometers-axis-and-motion-vector the device in an awkward way . Then if I want to apply distances based on step detection it would be wrong to apply them to the.. searching the way to find the rotation matrix to compute distances from HR to DR which I would then apply to the rotation matrix..
How to build a mall map for Android http://stackoverflow.com/questions/12358715/how-to-build-a-mall-map-for-android
Get the shortest distance from a point http://stackoverflow.com/questions/18420419/get-the-shortest-distance-from-a-point grid if one exists You still need to calculate all the distances in the next grid out you are unlikely to be perfectly centered..
Android Maps v2 - animate camera to include most markers http://stackoverflow.com/questions/19103283/android-maps-v2-animate-camera-to-include-most-markers distance longestDist.put marker1 distance examine the distances collected for Marker marker longestDist.keySet if longestDist.get..
How to calculate distance from different markers in a map and then pick up the least one http://stackoverflow.com/questions/19218081/how-to-calculate-distance-from-different-markers-in-a-map-and-then-pick-up-the-l locations you can do some filtering before you calculate distances and you can simplify the formula to speed it up as you don't.. the formula to speed it up as you don't care about actual distances i.e. remove the multiplication by the radius of the earth ...
How to compute a radius around a point in an Android MapView? http://stackoverflow.com/questions/2077054/how-to-compute-a-radius-around-a-point-in-an-android-mapview further you get from the equator the more distorted the distances become. According to this discussion the proper way to convert.. According to this discussion the proper way to convert for distances is something like public static int metersToRadius float meters..
http://stackoverflow.com/questions/2422120/open-sided-android-stroke low dips may end in very thin or invisible strokes or distances. This may happen to you also when setting ListView dividers...
Adding distance to a GPS coordinate http://stackoverflow.com/questions/2839533/adding-distance-to-a-gps-coordinate coordinate I'm trying to generate some points at random distances away from a fixed point using GPS. How can I add distance in..
How to find Hospital Location near by my location? http://stackoverflow.com/questions/4291573/how-to-find-hospital-location-near-by-my-location This uses the ˜haversine formula to calculate great circle distances between the two points that is the shortest distance over the..
How to calculate distance based on phone acceleration http://stackoverflow.com/questions/4329164/how-to-calculate-distance-based-on-phone-acceleration 0.96m s 0.56m s 0m s from that we can derive the following distances 57.6mm what you get from moving at 0.72m s for 80ms 134.4mm.. 211.2mm 288mm 364.8mm 409.6mm Now if you take the derived distances and do a reverse calculation as per usual v s2 s1 t and a v2..
why getSpeed() always return 0 on android http://stackoverflow.com/questions/4811920/why-getspeed-always-return-0-on-android More specifically you'll need to calculate for absolute distances sqrt currentGPSPointX lastGPSPointX ^2 currentGPSPointY lastGPSPointY..
How to convert coordinates of the image view to the coordinates of the bitmap? http://stackoverflow.com/questions/4933612/how-to-convert-coordinates-of-the-image-view-to-the-coordinates-of-the-bitmap scaledImageOffsetY event.getY imageBounds.top scale these distances according to the ratio of your scaling For example if the original..
http://stackoverflow.com/questions/6699387/android-opengl-3d-picking a ray into the point cloud which I can then compare distances of my points to the ray finding the closest point. public class..
Calculating distance between two geographic locations http://stackoverflow.com/questions/8049612/calculating-distance-between-two-geographic-locations latitude and longitue in this method and get the array of distances. android location distance latitude longitude share improve..
How to get the rotation between accelerometer's axis and motion vector? http://stackoverflow.com/questions/10207044/how-to-get-the-rotation-between-accelerometers-axis-and-motion-vector as the one you're heading yourself basically you're holding the device in an awkward way . Then if I want to apply distances based on step detection it would be wrong to apply them to the accelerometer referential which I know the orientation it.. or accelerometer referential Earth Referential and i'm searching the way to find the rotation matrix to compute distances from HR to DR which I would then apply to the rotation matrix I found to go from DR to ER. android algorithm rotation orientation..
How to build a mall map for Android http://stackoverflow.com/questions/12358715/how-to-build-a-mall-map-for-android
Get the shortest distance from a point http://stackoverflow.com/questions/18420419/get-the-shortest-distance-from-a-point this. Calculate the distance of all coordinates in the current grid if one exists You still need to calculate all the distances in the next grid out you are unlikely to be perfectly centered in your current square you always need to check one grid..
Android Maps v2 - animate camera to include most markers http://stackoverflow.com/questions/19103283/android-maps-v2-animate-camera-to-include-most-markers marker1 longestDist.put marker1 distance else first distance longestDist.put marker1 distance examine the distances collected for Marker marker longestDist.keySet if longestDist.get marker maxDistanceMeters acceptedMarkers.add marker return..
How to calculate distance from different markers in a map and then pick up the least one http://stackoverflow.com/questions/19218081/how-to-calculate-distance-from-different-markers-in-a-map-and-then-pick-up-the-l and you want the process to scale to a large amount of locations you can do some filtering before you calculate distances and you can simplify the formula to speed it up as you don't care about actual distances i.e. remove the multiplication.. before you calculate distances and you can simplify the formula to speed it up as you don't care about actual distances i.e. remove the multiplication by the radius of the earth . Filtering algorithm looping through each location Calculate..
How to compute a radius around a point in an Android MapView? http://stackoverflow.com/questions/2077054/how-to-compute-a-radius-around-a-point-in-an-android-mapview Google Maps uses a Mercator projection . This means that the further you get from the equator the more distorted the distances become. According to this discussion the proper way to convert for distances is something like public static int metersToRadius.. from the equator the more distorted the distances become. According to this discussion the proper way to convert for distances is something like public static int metersToRadius float meters MapView map double latitude return int map.getProjection..
http://stackoverflow.com/questions/2422120/open-sided-android-stroke in above answer. edit Sometimes for High Density devices using low dips may end in very thin or invisible strokes or distances. This may happen to you also when setting ListView dividers. The simplest workaround is to use a distance of 1px instead..
Adding distance to a GPS coordinate http://stackoverflow.com/questions/2839533/adding-distance-to-a-gps-coordinate distance to a GPS coordinate I'm trying to generate some points at random distances away from a fixed point using GPS. How can I add distance in meters to a GPS coordinate I've looked at UTM to GPS conversion..
How to find Hospital Location near by my location? http://stackoverflow.com/questions/4291573/how-to-find-hospital-location-near-by-my-location calculations are based on LatLong math such that Distance This uses the ˜haversine formula to calculate great circle distances between the two points that is the shortest distance over the earth ™s surface giving an ˜as the crow flies distance between..
How to calculate distance based on phone acceleration http://stackoverflow.com/questions/4329164/how-to-calculate-distance-based-on-phone-acceleration get from accelerating 9m s for 80ms 0.96m s 0.96m s 0.96m s 0.96m s 0.56m s 0m s from that we can derive the following distances 57.6mm what you get from moving at 0.72m s for 80ms 134.4mm 211.2mm 288mm 364.8mm 409.6mm Now if you take the derived distances.. 57.6mm what you get from moving at 0.72m s for 80ms 134.4mm 211.2mm 288mm 364.8mm 409.6mm Now if you take the derived distances and do a reverse calculation as per usual v s2 s1 t and a v2 v1 t you should get the acceleration readings back. share..
why getSpeed() always return 0 on android http://stackoverflow.com/questions/4811920/why-getspeed-always-return-0-on-android show the speed. This is how I did it when I made a runner app. More specifically you'll need to calculate for absolute distances sqrt currentGPSPointX lastGPSPointX ^2 currentGPSPointY lastGPSPointY ^2 time between GPS points It might help to make a..
How to convert coordinates of the image view to the coordinates of the bitmap? http://stackoverflow.com/questions/4933612/how-to-convert-coordinates-of-the-image-view-to-the-coordinates-of-the-bitmap int scaledImageOffsetX event.getX imageBounds.left int scaledImageOffsetY event.getY imageBounds.top scale these distances according to the ratio of your scaling For example if the original image is 1.5x the size of the scaled image and your offset..
http://stackoverflow.com/questions/6699387/android-opengl-3d-picking I can't get the right results. I'm trying to implement shooting a ray into the point cloud which I can then compare distances of my points to the ray finding the closest point. public class OpenGLRenderer extends Activity implements GLSurfaceView.Renderer..
Calculating distance between two geographic locations http://stackoverflow.com/questions/8049612/calculating-distance-between-two-geographic-locations is the problem is how to pass these two array having nearby latitude and longitue in this method and get the array of distances. android location distance latitude longitude share improve this question http developer.android.com reference android..
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