I think one of the most useful descriptions of QGIS has been described by Lincoln Mullen as 'the 80/20 rule'. the 80/20 rule is simply this During your interaction with QGIS 80% of the time you will spend on QGIS will be finding data, downloading data, working on data, and building data in excel files, then finding longitude and latitude co-ordinates, names for places, addresses, geo-locations, people, classifying genders, male, female, classifying ethnicity Native Americans, European American, African American, parts of an Immigrant community or naturalized, and so much more data all the while putting in all of this data into an excel file so you can then save it as a .csv file and then upload it into QGIS. Once you have done all of that you will finally arrive at the 20% of your time of which you will spend making your map and adjusting colors, adding layers, subtracting layers, trying layers over again, changing layers to suit your needs, adding the bells and whistles, and finally hitting export. QGIS can produce for you some of the most stunning visuals you will ever be able to put together, and you can truly say that those maps are uniquely yours. QGIS is truly a labor of love, and you must approach it that way, while it is hard work, in the end you will be impressed with what you can accomplish, and once you get the hang of it you will become a professional QGIS cartographer in no time creating layers of historical maps over-laid on top of modern maps and layering political maps, over historical maps, adding in features like city maps, railroad maps, political maps, and changing colors, graduating color schemes, and uploading other maps to layer over the ones you just got done fiddling with. In the end what you will have are maps that are stunning visuals of your hard work. Please see the images below QGIS tutorials can be found here Image 1: A map in QGIS with a single overlay of a railroad map. Image 2: A map in QGIS with 2 overlays the railway map, and a population map. Image 3: A map in QGIS with 2 overlays and a second historical map behind it
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