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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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A similar function has been introduced recently It requires the possible values to be grouped on the related layer and is slightly more involved in setup. If you have a layer Plots Name class (foreign key to Classes:pk) And a layer Classes pk Type [Agriculture/Forest] Plant [Pines/Olives/Corn/Wheat] You will need to add a new relation in Project ...


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First, you should confirm that the edited layer is visible(clicked in layers section).You can also check the color set by default by QGIS for new digitized features. If the two are ok and the issue persists you can first digitize the features then edit their attributes later. Hope this helps !!


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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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