Post #18, published on March 21, 2022:
What is an Orthophoto?
An ortho-photo is a certain kind of photo mosaic. In map-making an orthographic projection is a highly useful top-down, completely flat view of an object or an area.. Ortho-photos are one of the primary assets I deliver when I do site surveys . A normal photo has a perspective which means that lines are not parallel, and there is an uneven scale throughout the photo. I’ll show you what I mean:

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