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2014/10/16 ¤W¤È 08:10:25
android Programming Glossary: ayPolygon Touch detection Google Map API V2 http://stackoverflow.com/questions/14405593/polygon-touch-detection-google-map-api-v2 LatLng tap LatLng vertA LatLng vertB double aY vertA.latitude double bY vertB.latitude double aX vertA.longitude.. double pY tap.latitude double pX tap.longitude if aY bY aX vertB.longitude aY vertB.latitude bX vertA.longitude.. double pX tap.longitude if aY bY aX vertB.longitude aY vertB.latitude bX vertA.longitude bX vertA.latitude System.out.println..
Transforming accelerometer's data from device's coordinates to real world coordinates http://stackoverflow.com/questions/5464847/transforming-accelerometers-data-from-devices-coordinates-to-real-world-coordi that the accelerometer is giving me somenting like Ax Ay Az in device's coordinates what transformations should I apply.. should I apply to transform the values into Ax' Ay' Az' in real world's coordinates so I can use the acceleration..
How to find absolute position of click while zoomed in http://stackoverflow.com/questions/8180442/how-to-find-absolute-position-of-click-while-zoomed-in value in both canvas space and in user space . You know Ax Ay in user space so you can find the distance between Ax to Bx.. space so you can find the distance between Ax to Bx and Ay to By . This measurement is in user space to convert it to a.. space public float getAbsolutePosition float Ax float Ay float fromAxToBxInCanvasSpace mCenterScaleX Ax mScaleFactor..
Clickable area after Scaling with respect to positions of touch event? [duplicate] http://stackoverflow.com/questions/9989170/clickable-area-after-scaling-with-respect-to-positions-of-touch-event value in both canvas space and in user space . You know Ax Ay in user space so you can find the distance between Ax to Bx.. space so you can find the distance between Ax to Bx and Ay to By . This measurement is in user space to convert it to a.. space public float getAbsolutePosition float Ax float Ay float fromAxToBxInCanvasSpace mCenterScaleX Ax mScaleFactor..
Polygon Touch detection Google Map API V2 http://stackoverflow.com/questions/14405593/polygon-touch-detection-google-map-api-v2 this is what I have semi working so far private boolean rayCastIntersect LatLng tap LatLng vertA LatLng vertB double aY vertA.latitude double bY vertB.latitude double aX vertA.longitude double bX vertB.longitude double pY tap.latitude double.. vertB.latitude double aX vertA.longitude double bX vertB.longitude double pY tap.latitude double pX tap.longitude if aY bY aX vertB.longitude aY vertB.latitude bX vertA.longitude bX vertA.latitude System.out.println aY aY aX aX System.out.println.. vertA.longitude double bX vertB.longitude double pY tap.latitude double pX tap.longitude if aY bY aX vertB.longitude aY vertB.latitude bX vertA.longitude bX vertA.latitude System.out.println aY aY aX aX System.out.println bY bY bX bX if pX..
Transforming accelerometer's data from device's coordinates to real world coordinates http://stackoverflow.com/questions/5464847/transforming-accelerometers-data-from-devices-coordinates-to-real-world-coordi the device coordinates to real world coordinates I mean assuming that the accelerometer is giving me somenting like Ax Ay Az in device's coordinates what transformations should I apply to transform the values into Ax' Ay' Az' in real world's.. somenting like Ax Ay Az in device's coordinates what transformations should I apply to transform the values into Ax' Ay' Az' in real world's coordinates so I can use the acceleration vector in real worlds coordinates to calculate if the device..
How to find absolute position of click while zoomed in http://stackoverflow.com/questions/8180442/how-to-find-absolute-position-of-click-while-zoomed-in constant no matter what the scale factor You know this value in both canvas space and in user space . You know Ax Ay in user space so you can find the distance between Ax to Bx and Ay to By . This measurement is in user space to convert.. both canvas space and in user space . You know Ax Ay in user space so you can find the distance between Ax to Bx and Ay to By . This measurement is in user space to convert it to a canvas space measurement simply divide it by the scale factor... width you are left with the coordinates for point A in canvas space public float getAbsolutePosition float Ax float Ay float fromAxToBxInCanvasSpace mCenterScaleX Ax mScaleFactor float fromBxToCanvasEdge mCanvasWidth Bx float x mCanvasWidth..
Clickable area after Scaling with respect to positions of touch event? [duplicate] http://stackoverflow.com/questions/9989170/clickable-area-after-scaling-with-respect-to-positions-of-touch-event constant no matter what the scale factor You know this value in both canvas space and in user space . You know Ax Ay in user space so you can find the distance between Ax to Bx and Ay to By . This measurement is in user space to convert.. both canvas space and in user space . You know Ax Ay in user space so you can find the distance between Ax to Bx and Ay to By . This measurement is in user space to convert it to a canvas space measurement simply divide it by the scale factor... width you are left with the coordinates for point A in canvas space public float getAbsolutePosition float Ax float Ay float fromAxToBxInCanvasSpace mCenterScaleX Ax mScaleFactor float fromBxToCanvasEdge mCanvasWidth Bx float x mCanvasWidth..
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