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You will need to do some formatting of your data to make them into polygons. Merely labeling a field as WKT will not help. If you have a lot of files (which it sounds like you do), the most effective way will be to automate your solution by writing a script. I was going to explain how when I decided that the simplest way would be to write an example script ...


0

QGIS will load a spatial CSV just fine if it includes a field named "WKT" with the coordinates. Make sure the geometry follows the proper syntax http://en.wikipedia.org/wiki/Well-known_text. Open your CSV file in a spreadsheet first to make certain there are no rows with Nulls or Blanks in the WKT field, and that every representation is a valid WKT, else ...



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