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EQUIRECTANGULAR PROJECTIONS ARE PRODUCED BY USING A 360 PAN HEAD ON YOUR TRIPOD. A PICTURE IS TAKEN
IN THIS CASE EVERY 15 DEGREES PRODUCING A RECTANGULAR 360 DEGREE IMAGE CONSISTING OF 24 IMAGES TO
PRODUCE THE FINAL PANORAMA. SOME EQURECTANGULAR PROJECTIONS CAN BE MADE UP OF THREE ROWS OF IMAGES
AND EVEN THREE ROWS OF HDR IMAGES INCREASING THE IMAGES USED TO BETWEEN 72 TO 216. AFTER THE
EQUIRECTANGULAR IMAGE HAS BEEN PRODUCED IT IS POSSIBLE TO USE A DISTORTION METHOD CALLED POLAR
COORDINATE DISTORTION WHICH THEN RESULTS IN A PHOTOSPHERICAL PROJECTION.