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GROUND SAMPLING DISTANCE CALCULATOR
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Instructions
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1. Enter the Sensor Width (millimeters) in cell C14
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2. Enter the Focal Length (millimeters) in cell C15 (real focal length,not 35 mm equivalent)
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3. Enter the Flight Height (meters) in cell C16
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4. Enter the Image Width (pixels) in cell C17
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5. [Optional] Enter the Image Height (pixels) in cell C18
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6. Hit Enter
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Calculator
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Sw13.125
= the sensor width of the camera (millimeters)
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FR15.4
= the focal length of the camera (millimeters)
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H100= the flight height (meters)
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imW4608= the image width (pixels)
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imH3456= the image height (pixels)
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GSD1.85
= Ground Sampling Distance (centimeters/pixel)
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Dw85
= width of single image footprint on the ground (meters)
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DH64
= height of single image footprint on the ground (meters)
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Dw = The footprint width / distance covered on the ground by one image in width direction
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www.pix4d.com
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