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I'm new to QGIS and tried importing some GTFS data in the CSV format (stops.txt). The project CRS, base map CRS and GTFS CRS have all been set to Google Mercator, but the points that are supposed to appear in Boston is now plotted in the middle of the ocean.

Did I miss out on something that messed up the import/plotting?

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When you define the "layers coordinate system" use WGS84 because those XY values are lat/lon. Google Mercator uses Metres so those values are being treated as metres, very close to the 0,0 origin of Googles Mercator projection. Then you can use "projection on the fly". –  SaultDon Apr 3 '13 at 20:11

2 Answers 2

up vote 6 down vote accepted

Set the CRS of the stops layer to WGS84 EPSG:4326. The CSV data is in latitude/longitude. Google Mercator coordinates would be much bigger values. Don't forget to enable "on-the-fly" reprojection in the project properties.

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They answered wrong, i think they didn't read very well your question.

To import CSV data into QGIS, you must the Layer menu, not the import function.

Go to Layer then Add delimited text layer then the opening window will let you manage any CSV data even the CRS and all your stops will displayed as well in their right place.

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