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Ok, so after a frustrating week, I've actually found a few new things out about QGis. Cheifly, I was still using version 2.2.0 when I posted this question, I've since upgraded to 2.8.1. What follows is a little bit of a tutorial for those folks who might be looking to tackle the same problem. The solution for me was a plug-in called cadinput by Oliver ...


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JPEG isn't a spatially aware format. That means it doesn't have the ability to store georeferencing information internally, like a geotiff or potentially the newer JPEG2000 format. If you do not have an accompanying world file, there is no way for Arc to know where the image is supposed to be on the surface of the earth. It sounds like at some point in the ...


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You can achieve your results with a combination of tools and plugins. It's not perfect but it will work Use "Rectangles Ovals Digitizing" plugin to create rectangles. Use "Advanced Digitizing" tools to rotate the rectangles. See Step 29 onwards of this tutorial for the exact workflow. Use "Orthogonal Digitizing" tool from CAD Tools plugin to draw polygons ...


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Here would be a way to add a new feature to a polygon vector: # reference your layer, such as the active layer lyr = iface.activeLayer() # get the vertexes of your new geometry and add them to a list coordinatePairs = [] coordinatePairs.append(QgsPoint(-80.23, -3.28)) coordinatePairs.append(QgsPoint(-65.58, -4.21)) coordinatePairs.append(QgsPoint(-65.87, ...


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There is a third party tool called Auto Clicker what can do it for you. Answer can be fount at Auto



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