Where you click on the map will create a vertex for your polygon. Your task it to outline the parking lot. Choose any corner of the parking lot you want to start at and click once to create a vertex, then at the next corner or turn, click again to create another vertex. In the illustration below, the aerial imagery was brightened to show the series of vertices as the shapefile was being created To complete the sketch after you place your last vertex, right click to bring up a context menu and then (left click) on Finish Sketch Your drawing should look somewhat like the following
Where you click on the map will create a vertex for your polygon. Your task it to outline the parking lot. Choose any corner of the parking lot you want to start at and click once to create a vertex, then at the next corner or turn, click again to create another vertex. In the illustration below, the aerial imagery was brightened to show the series of vertices as the shapefile was being created To complete the sketch after you place your last vertex, right click to bring up a context menu and then (left click) on Finish Sketch Your drawing should look somewhat like the following
GIS%20for%20Air%20Quality%20(Exercise%208).docx