Get meters per pixel at latitude #416
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I edited my own pubspec.yaml files to work locally. I can remove these commits if you want |
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I don't think there is a method in mapbox_gl_dart that returns how many meters a pixel is. so I wrote the function myself using the formula at https://wiki.openstreetmap.org/wiki/Zoom_levels. I tested the function by reference to a coordinate and zoom level. It returns the same results for iOS, Android and Web. |
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hi @m0nac0 ; |
tobrun
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Oct 24, 2020
IcyTv
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Nov 15, 2020
* Expose CompassViewPosition flutter-mapbox-gl#344 (flutter-mapbox-gl#346) Co-authored-by: emre.yalcin <emre.yalcin@netcad.com.tr> * Readme: location features on Android (flutter-mapbox-gl#342) * Update CONTRIBUTING.md (flutter-mapbox-gl#366) * Release 0.8.0 (flutter-mapbox-gl#390) * [release] update CHANGELOG.md for release of v0.8.0 * [release] update version numbers to v0.8.0 * Update CONTRIBUTING.md (flutter-mapbox-gl#401) Fix stale pull, issues & changelog urls in the contributing guide. * Fix data parameter for addLine and addCircle (flutter-mapbox-gl#388) * Split padding values in CameraUpdate.newLatLngBounds() (flutter-mapbox-gl#382) * Split padding values in CameraUpdate.newLatLngBounds() * Remove old unused code Co-authored-by: Tobrun <tobrun.van.nuland@gmail.com> * Re-enable attribution on android (flutter-mapbox-gl#383) * Upgrade Android annotation plugin to v0.9 (flutter-mapbox-gl#381) * web: ignore myLocationTrackingMode if myLocationEnabled is false (flutter-mapbox-gl#363) * Add methods to access projection (flutter-mapbox-gl#380) * remove bitmap; add projection access * Replace ScreenLocation with Point; expand iOS implementation * fix iOS with guard let * iOS: cast to NSObject * fix typo * round result of toScreenLocation() * Revert "round result of toScreenLocation()" This reverts commit 838726a. * Docs: document rounding behaviour * Add Fill API support (flutter-mapbox-gl#49) * [flutter] [android] - add fill support * Resolved merge conflict. * A first working version for ios (after some extensive rebasing). * Minor cleanup * Minor cleanup. * Fix broken build Android. * A working version for Android. * Minor cleanup. * Added fill pattern example. Works on Android not on iOS. Seems to break consecutive fills though. * For the first queried feature (when filter is set) create a fill. * Fix lint issue (unused method). * Updated code formatting. * Added interior polygon to iOS. * [docs] update readme support table * fixup Co-authored-by: Timothy Sealy <timothy.sealy@gmail.com> * Listen to OnUserLocationUpdated to provide user location to app (flutter-mapbox-gl#237) * Listen to OnUserLocationUpdated to provide user location to app While the `myLocationEnabled` property is set to `true`, this method is called whenever a new location update is received by the map view. iOS only, needs Android. I did check that the location properties carried here are also provided in Android's [Location][1] object. [1]: https://developer.android.com/reference/android/location/Location * add android, web; fix conflicts Co-authored-by: m0nac0 <58807793+m0nac0@users.noreply.github.com> Co-authored-by: Tobrun <tobrun.van.nuland@gmail.com> * fix: correct bug on android where checking on activity lifecycles that were disposed (flutter-mapbox-gl#266) Co-authored-by: leo cornillon <leo.cornillon.dev@gmail.com> Co-authored-by: m0nac0 <58807793+m0nac0@users.noreply.github.com> * Add support for custom font stack in symbol options (flutter-mapbox-gl#359) * fix memory leak caused by strong self reference (flutter-mapbox-gl#370) * Basic ImageSource Support (flutter-mapbox-gl#409) * Introduce LatLngQuad Introduce the LatLngQuad object which will be useful to pass in all the required parameters to the addSource() method we will define later. * Introduce addSource() Method Add the addSource(..) method to the mapbox_gl_platform_interface.dart * Add addSource MethodChannel * Place ImageSource Android - Introduce the PlaceSource page as a playground - Add 'addImageSource', 'removeImageSource', 'addLayer' & 'removeLayer' apis - Implement Android platform interface * iOS ImageSource Implementation Implement addImageSource, removeImageSource, addLayer & removeLayer on iOS. * Fix iOS CoordinateQuad Mapping Co-authored-by: Tobrun <tobrun.van.nuland@gmail.com> * Get meters per pixel at latitude (flutter-mapbox-gl#416) * fix git refferences * fix git refferences * implementation of getMetersPerPixelAtLatitude * getMetersPerPixelAtLatitude * fix refference paths * Android implementation and Example updated. * added comments to getMetersPerPixelAtLatitude method * IOS implementation * Removed modified lines from pubspec.yaml files * web implementation Co-authored-by: Tobrun <tobrun.van.nuland@gmail.com> * fix onStyleLoadedCallback (flutter-mapbox-gl#418) * fix onStyleLoadedCallback * fix onStyleLoadedCallback called before onMapCreated Co-authored-by: Tobrun <tobrun.van.nuland@gmail.com> * Release 0.9.0 * update version numbers for v0.9.0 release * fix ios onSymbolTapped Co-authored-by: emreuguryalcintr <50848628+emreuguryalcintr@users.noreply.github.com> Co-authored-by: emre.yalcin <emre.yalcin@netcad.com.tr> Co-authored-by: m0nac0 <58807793+m0nac0@users.noreply.github.com> Co-authored-by: Tobrun <tobrun.van.nuland@gmail.com> Co-authored-by: cuberob <robdeknegt@gmail.com> Co-authored-by: qbouchat <48958612+qbouchat@users.noreply.github.com> Co-authored-by: Timothy Sealy <timothy.sealy@gmail.com> Co-authored-by: Nathan <nathan@transit.app> Co-authored-by: Leo Cornillon <corle.cugly@gmail.com> Co-authored-by: leo cornillon <leo.cornillon.dev@gmail.com> Co-authored-by: Philip Lindberg <philip.c.lindberg@gmail.com> Co-authored-by: Thomas Kröniger <30893720+thirteenthstep@users.noreply.github.com> Co-authored-by: cuberob <git@cuberob.com> Co-authored-by: GULERTOLGA <gulertolga@gmail.com> Co-authored-by: Andrea Valenzano <andr3a689@gmail.com>
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This PR contains a method that returns the distance spanned by one point in the map view’s coordinate system at the given latitude and current zoom level.