GIS coaching for territorial management.
At a time when QGis allows a free, unlimited and easy-to-use addresses geocoding (see the article Geocodages of addresses with QGis 2.8 ), the geocoding with ArcGis gets caught up in credits, API keys and…
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This article is an update of a previous one, “Integrate geolocated photos in QGis with Photo2shape” . In fact, the photo2shape plugin is no longer maintained and poses a lot of problems. We will…
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For those who are not familiar with the oddities related to the use of Python add- ons , the almost unavoidable pitfall installation of the module. You will find yourself with a .tar.gz file and…
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Once a layer is loaded, usually we want to access the data included in the layer, whether the geometries or the attributes. Now, we will discuss how to code in Python the access to these two…
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In this series of articles we discuss how to access vector type data in Python and QGis. In the previous article ( Python Recipes for QGis: access data vector (shapefile) ) we have discussed how to…
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In this series of articles we are going to discuss how to access the vector type of data with Python and QGis. Firstly we will discuss how to load various vector data formats (shapefile, postgis…
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In Article previous we have discussed some SQL functions for spatial processing . In this article we will see a function a little more complicated to put at work: the aggregation function for two layers of…
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The sources of information for the coastal regions are not limited to classical terrestrial sources. The marine charts can provide information very helpful and they allow creating rich and impactful documents. The most adapted sources to…
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In the previous article ( ArcGIS Model Builder: expand a model to a set of input data ) we have addressed the most common iterators used with Model Builder. These iterators make it possible to apply…
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One of the most common techniques in GIS in order to treat non-spatial data is that of the join. We use a geographical layer having geometries, as support for another layer having no location data. To…
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