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I am new to QGIS. I have a map with known coordinate points. How can I manually enter these points and then export this map as a .tfw??

  • how many points are you talking about? – DPSSpatial Oct 6 '15 at 21:49
  • If you have a map with coordinate points, can you just import it to your new map or do you just have a paper copy? Do you have the points on a spreadsheet? – tpdance Oct 6 '15 at 22:24
  • Background info: I have a hand-drawn contour map with 4 known points. It is saved as a tiff. I need to geo-ref this map, save it as a .tfw. I then need to import this file into Kingdom (seimic interpretation software) – Cynthia Oct 8 '15 at 11:29
  • Where I am at: Raster/Georeferencer/Open Raster/Choose Coordinate System/Add Points/Enter Map coordinates. So I have my map in Georeferencer with 4 red dots - What do I do next? How do I get this to export as a .tfw so I can import it into my other software? – Cynthia Oct 8 '15 at 11:38
  • Thank you, but the 2 answers did not help. After use the transformation settings button and I hit the green "start georeferencing" triangle, how do I save/export this as a tfw? I can only use a tfw in the program that I am importing into. Please help would be greatly appreciated! – Cynthia Oct 14 '15 at 19:20
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First create an empty shapefile in QGIS from the menu bar: Layer > Create Layer > New Shapefile Layer. Create fields to hold the information about the points you're going to add.

Then the plugin I would recommend for adding single points (ie. not TOO many) is called NumericalDigitize.

Once installed and in an edit session you'll end up with a little button like this on the end of your editing toolbar:

enter image description here

...and it will allow you to add a feature by the X and Y coordinates you have:

enter image description here

Finally to save the map, you can create a quick export by going to Project (menu) > Save as Image and choose the TIF format.

This will save a TIF file with an associated .tifw file, which is the georeferencing information.

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If you have the points in a spreadsheet, you can use the Add Delimited Text tool in QGIS.

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