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2014/10/16 ¤W¤È 08:13:37
android Programming Glossary: floatmath.cosAndroid Custom Layout - onDraw() never gets called http://stackoverflow.com/questions/13056331/android-custom-layout-ondraw-never-gets-called 2 float half Math.max w h 2 float centerX rect.centerX w FloatMath.cos theta float centerY rect.centerY h FloatMath.sin theta v.layout..
Android sqlite sort on calculated column (co-ordinates distance) http://stackoverflow.com/questions/2034348/android-sqlite-sort-on-calculated-column-co-ordinates-distance current_lat pk float b2 float current_lon pk float t1 FloatMath.cos a1 FloatMath.cos a2 FloatMath.cos b1 FloatMath.cos b2 float.. pk float b2 float current_lon pk float t1 FloatMath.cos a1 FloatMath.cos a2 FloatMath.cos b1 FloatMath.cos b2 float t2 FloatMath.cos.. current_lon pk float t1 FloatMath.cos a1 FloatMath.cos a2 FloatMath.cos b1 FloatMath.cos b2 float t2 FloatMath.cos a1 FloatMath.sin..
Draw A Circle On Android MapView http://stackoverflow.com/questions/5293709/draw-a-circle-on-android-mapview circleRadius projection.metersToEquatorPixels mRadius 1 FloatMath.cos float Math.toRadians mLat Paint innerCirclePaint innerCirclePaint.. circleRadius projection.metersToEquatorPixels mRadius 1 FloatMath.cos float Math.toRadians mLat Paint innerCirclePaint innerCirclePaint.. poles. This can be corrected however by multiplying by 1 FloatMath.cos float Math.toRadians mLat which is the only change that I made..
Calculating distance between two geographic locations http://stackoverflow.com/questions/8049612/calculating-distance-between-two-geographic-locations a2 lng_a pk float b1 lat_b pk float b2 lng_b pk float t1 FloatMath.cos a1 FloatMath.cos a2 FloatMath.cos b1 FloatMath.cos b2 float.. b1 lat_b pk float b2 lng_b pk float t1 FloatMath.cos a1 FloatMath.cos a2 FloatMath.cos b1 FloatMath.cos b2 float t2 FloatMath.cos.. b2 lng_b pk float t1 FloatMath.cos a1 FloatMath.cos a2 FloatMath.cos b1 FloatMath.cos b2 float t2 FloatMath.cos a1 FloatMath.sin..
Android Custom Layout - onDraw() never gets called http://stackoverflow.com/questions/13056331/android-custom-layout-ondraw-never-gets-called getChildAt i w rect.right rect.left 2 h rect.bottom rect.top 2 float half Math.max w h 2 float centerX rect.centerX w FloatMath.cos theta float centerY rect.centerY h FloatMath.sin theta v.layout int centerX half int centerY half int centerX half int centerY..
Android sqlite sort on calculated column (co-ordinates distance) http://stackoverflow.com/questions/2034348/android-sqlite-sort-on-calculated-column-co-ordinates-distance float a1 float db_lat pk float a2 float db_lon pk float b1 float current_lat pk float b2 float current_lon pk float t1 FloatMath.cos a1 FloatMath.cos a2 FloatMath.cos b1 FloatMath.cos b2 float t2 FloatMath.cos a1 FloatMath.sin a2 FloatMath.cos b1 FloatMath.sin.. pk float a2 float db_lon pk float b1 float current_lat pk float b2 float current_lon pk float t1 FloatMath.cos a1 FloatMath.cos a2 FloatMath.cos b1 FloatMath.cos b2 float t2 FloatMath.cos a1 FloatMath.sin a2 FloatMath.cos b1 FloatMath.sin b2 float.. float db_lon pk float b1 float current_lat pk float b2 float current_lon pk float t1 FloatMath.cos a1 FloatMath.cos a2 FloatMath.cos b1 FloatMath.cos b2 float t2 FloatMath.cos a1 FloatMath.sin a2 FloatMath.cos b1 FloatMath.sin b2 float t3 FloatMath.sin..
Draw A Circle On Android MapView http://stackoverflow.com/questions/5293709/draw-a-circle-on-android-mapview int mLat 1e6 int mLon 1e6 projection.toPixels geo pt float circleRadius projection.metersToEquatorPixels mRadius 1 FloatMath.cos float Math.toRadians mLat Paint innerCirclePaint innerCirclePaint new Paint innerCirclePaint.setColor Color.BLUE innerCirclePaint.setAlpha.. int mLat 1e6 int mLon 1e6 projection.toPixels geo pt float circleRadius projection.metersToEquatorPixels mRadius 1 FloatMath.cos float Math.toRadians mLat Paint innerCirclePaint innerCirclePaint new Paint innerCirclePaint.setColor Color.BLUE innerCirclePaint.setAlpha.. not account for the fact that meridians come together at the poles. This can be corrected however by multiplying by 1 FloatMath.cos float Math.toRadians mLat which is the only change that I made to Scott's original answer. I hope this helps someone because..
Calculating distance between two geographic locations http://stackoverflow.com/questions/8049612/calculating-distance-between-two-geographic-locations lng_b float pk float 180 3.14169 float a1 lat_a pk float a2 lng_a pk float b1 lat_b pk float b2 lng_b pk float t1 FloatMath.cos a1 FloatMath.cos a2 FloatMath.cos b1 FloatMath.cos b2 float t2 FloatMath.cos a1 FloatMath.sin a2 FloatMath.cos b1 FloatMath.sin.. pk float 180 3.14169 float a1 lat_a pk float a2 lng_a pk float b1 lat_b pk float b2 lng_b pk float t1 FloatMath.cos a1 FloatMath.cos a2 FloatMath.cos b1 FloatMath.cos b2 float t2 FloatMath.cos a1 FloatMath.sin a2 FloatMath.cos b1 FloatMath.sin b2 float.. float a1 lat_a pk float a2 lng_a pk float b1 lat_b pk float b2 lng_b pk float t1 FloatMath.cos a1 FloatMath.cos a2 FloatMath.cos b1 FloatMath.cos b2 float t2 FloatMath.cos a1 FloatMath.sin a2 FloatMath.cos b1 FloatMath.sin b2 float t3 FloatMath.sin..
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