Experience With UAS

Ground control points are large marked targets on the ground, spaced strategically throughout your area of interest. If you use ground control points with your aerial map, you first need to determine the GPS coordinates at the center of each. The ground control points and their coordinates are then used to help drone mapping software accurately position your map in relation to the real world around it.  It might be helpful to think of your GCPs as a series of thumbtacks placed on your drone map. Because the drone mapping software knows the exact location of each of these “thumbtacks”, it can reference their locations when it matches up all of the other points on the map.  When used correctly, ground control points greatly improve the global accuracy of your drone map. They help ensure that the latitude and longitude of any point on your map correspond accurately with actual GPS coordinates. This is important in situations where precision mapping and true global accuracy ar...

Introduction Lab 8's goal was to teach us how to classify different surfaces so that they can be automatically defined with the program. For this, we used a tutorial on the learn ArcGIS website. the purpose of defining different surfaces is to show where different things are using brighter, more contrasting colors.  Process This tutorial started off with giving us the premade images that we used for the reclassification.  The image provided for this project is a raster dataset which allows it to be easily manipulated in ArcGIS. The first part of the manipulation is to use the raster function that extracts the bands of the different surfaces of the image. Next, we want to group up the pixels of each differing band to make them easier to classify. for this, we use the classification wizard. This takes similar bands and softens the edges to make them more visible. Then we start to classify similar bands into manmade and natural which we call impervious and pervious. T...