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GRASS 7 is still in a beta release stage. The Kyngchaos.com package is a stable release of QGIS, which does not yet include GRASS 7 internally. You can get a copy using the Homebrew package manager and the OSGeo4Mac tap: Install Xcode, Xcode Command Line Tools and Homebrew Then, in Terminal run: brew install osgeo/osgeo4mac/grass-70 (if your ...


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I think all the answer has been given with several clues. Either your target project and data paths do not match the source locations or you haven't changed the path setting and saved the project file before moving the whole project. The target location where you move your project and data must match the same directory structure as the source project and ...


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You can use QGIS for this analysis but do not confuse line of sight calculations with viewshed analysis. They are related but r.los returns a raster whose values are null for not-visible or the vertical angle required by the view to see the location. The module r.viewshed on the other hand returns a raster that simply marks a cell as visible or not (1 or ...



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