Calculating Strike through compass in iphone
<p>i am developing and application for geology and need to calculate the dip and strike(dip direction). As i have found the way to calculate the dip but does not know how to calculate the strike. strike is calculate according to the compass direction.</p>

<p>This are usefull in measuring rockface. so anyone knows the way to calculate then please suggest some solution.</p>

<p>Thank you.</p>
