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The following is basically quoted from the book: "Mastering QGIS" by Kurt Menke et al on page 199: mapX and mapY are the Destination Coordinates. pixelX and pixelY are the Source Coordinates. enable has a boolean value where 1 means it will be used in the transformation; 0 means it will not be used. Hope this helps!


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A new PDF to TIFF tool has been added to ArcGIS 10.3 for Desktop: Exports an existing PDF file to a Tagged Image File Format (TIFF). If the PDF has georeference information, the TIFF can be a GeoTIFF. These TIFFs can be used as a source for heads-up digitizing and viewing in ArcMap. Both GeoPDF and ISO standards of georeferenced PDFs are ...


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Your last attempt looks very promising. With more than 5 points you might get an even better picture. Since the image covers Minnesota, my first guess would be to use one of the CRS defined for that state. So go to Project -> Project Properties, CRS tab, and enter Minnesotain the search field. All results are using Lambert Conformal Conic projection. ...


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It depends what you mean with georeferencing. There actually is the ST_Georeference function which doesn't change the raster itself, it simply defines where the raster is located in space by setting 6 offset/scale/skew coefficients. As mentioned by @JohnBarça, your raster should have the proper georeferencing metadata, but sometimes it doesnt, and that is ...


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As you say you are using an image with GPS data in it the information is going to have been most likely stored in WGS84. Identify the part of the world you are working in, either by researching the source of the image and or imformation on the image. From there either project the GPS data using WGS84 as the datum into an appropriate UTM Zone that covers ...



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