| index: | A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
| Orthophotograph | An aerial photograph that has been scanned, rectified, reconstructed, and projected so distortions of geometry and perspective are removed. Also called an orthophoto. |
| Orthoreference | Process of adjusting vector data to align with features seen in an orthophotograph. |
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