Thanks so much for the information. I'll be sure to implement these protocols at the mapathon.
Noah On Mon, Apr 18, 2016 at 7:43 PM, Mike Thompson <[email protected]> wrote: > > > On Mon, Apr 18, 2016 at 5:24 PM, Suzan Reed <[email protected]> wrote: > >> >> >> *1. Using the Area tool* >> a. Trace the exact outline of the building touching all four corners. >> Accuracy is important. >> > I am not sure where it should go in the instructions, but we want the base > of the building as it sits on the ground, not as it appears to the > satellite. For example, if a building has a peaked roof and the satellite > is not directly overhead ("off nadir"), the roof will make it look like one > end of the building is triangular. We don't want that triangle traced. > > >> b. Identify a Building by the shadow it casts and the color of the roof. >> c. Buildings are often close together so be sure the corners do not touch >> (gray dot). >> > or overlap. Buildings should also not overlap roads or waterways in most > cases. > > >> d. Draw your Building as square as possible. Don’t make odd shapes. >> > Unless of course it is not square in reality. > >> >> >> *2. On the left side of the Tasking Manager look for Building Features. >> Scroll down to Building and click.* >> a. This will designate your trace as a Building. >> >> The first time I think you have to click a second button that says > "building" to indicate that it is a generic building. > >> *3. Next, **while the Building is still selected* >> *, press the ’s’ key. This squares the building and is an important step >> that must be done. * >> a. If the building isn’t selected when ’s’ is pressed, “shed” will show. >> Go back and reselect the building and then press ’s’ again. >> > "If nothing happens, your building wasn't drawn with corners that were > close enough to 90 degrees. Adjust the building and press 's' again" > >> >> >>
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