ArcMap is run using primarily Shape Files and in more recent versions Geodatabases can be used to store larger sets of data. These file formats are what are uploaded into the program to view spatial data.
Edema is swelling of both legs from a buildup of extra fluid. Prolonged standing or sitting, especially in hot weather, can cause excess fluid to accumulate in the feet, ankles and lower legs. Tiny valves inside the veins of the legs can become weakened, causing a common problem called venous insufficiency.
Medically speaking swelling (in this case legs, ankles, and. feet) is referred to as edema. First, you wonder why your shoes are fitting sort of tight. Then maybe you think your ankles are a little puffy and your calves. somewhat tight. You say âwell, I did have a long day on my feet. That is no doubt the causeâ.