Monday, November 5, 2012

Lab 4: Proposed Airport Expansion


         My First ArcGIS Experience 
           My ArcGIS experience went relatively smoothly; I was able to follow the instructions and other than a slight panic attack, I felt confident in what I was doing. The step-by-step instructions and the accompanying pictures were simple and easy to follow. In addition, there were one or two sentences before each task that explained what I would be doing. These were really good, however I felt they weren't sufficient. A lot of the times, I didn't fully understand what I was accomplishing exactly and sometimes felt that I was simply clicking buttons. However, when I saw the changes on the map, I was better able to comprehend what was happening. Also, it was really helpful when Jason, my T.A. explained what each step meant in terms of the bigger picture.
            The entire experience was really interesting overall. Though I don’t know where the data came from, it was fascinating what a couple of random pieces of information could create. I liked how the information could be layered in different ways to create maps that each represented something different. Also, creating graphs on ArcGIS is much easier than doing it on Excel.
            GIS has the capacity to perform various tasks to help convey evidence. Information can be taken and converted into multiple visuals to prove a point or show a plan. Because access is readily available, anybody can use it. Furthermore, the step-by-step instructions allow people to quickly learn the skills necessary to operate the system. Many news stations use GIS to present a visual for the information they are conveying, helping further the understanding of viewers. Companies in general can use GIS to present visuals about their plans and city planners can use GIS to figure out what the city needs and the best place to put it.
            Unfortunately, in my case I didn't completely understand what I was doing or what the function of each specific step was. If someone does not understand what she is doing, then it is really easy to misrepresent or misinterpret information. GIS requires a basic understanding of what each step requires and what it signifies. It may be difficult for some to get a firm grasp on the concepts and so the maps created may not be accurate. In addition, people can misuse GIS to easily skew information to fit their needs, leading to many false notions.
            Overall, I enjoyed using ArcGIS, especially when viewing the end product and learning what it all signifies. 


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