ShadowCalc: Sun Shadow Length
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About this app
ShadowCalc tells you how long a shadow an object will cast at a chosen place and UTC time.
Enter latitude, longitude, object height, and a UTC date and time. The app computes solar elevation and azimuth, then shadow length from height divided by the tangent of elevation. When the sun is below the horizon, the result is a clear No Shadow state — not a negative or infinite number.
Enter latitude, longitude, object height, and a UTC date and time. The app computes solar elevation and azimuth, then shadow length from height divided by the tangent of elevation. When the sun is below the horizon, the result is a clear No Shadow state — not a negative or infinite number.
Calculate shadow length from sun angle, date and location.
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First Release
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About the developer
程勇涛
hschengyongtao@gmail.com
蜀鑫东路88号金沙海棠
青羊区, 成都市, 四川省
China
610000
