Download OpenStreetMap data using QuickOSM plugin in QGIS 3.4 Madeira

As you know, many QGIS plugins are going through a redevelopment process in order to be compatible with the new QGIS 3.x versions. Many features available in QGIS 2.x version are not available in the new version and vice-versa. One of this features is the way OpenStreetMap data can be downloaded (roads, buildings, waterways, places, [...]

By | January 27th, 2019|BLOG|0 Comments

Install QGIS through OSGeo4W

OSGeo4W is a binary distribution of a broad set of open source geospatial software for Windows environments. OSGeo4W includes QGIS, GDAL/OGR, GRASS as well as many other packages. Check the official website for more information: Sometimes QGIS installation can be a troublemaker. For example you will install QGIS and you will notice that Style Manager will not show any symbols. The [...]

By | January 13th, 2019|BLOG|1 Comment

Editing DEM pixels values in QGIS using Serval Plugin

Maybe sometime you will need to edit some raster cells and change their values. Using the Serval QGIS Plugin you can do this. You can install this plugin by going to Plugins > Manage and Install Plugins and typing Serval in the search box. After the installation is done you can find the newly installed [...]

By | October 29th, 2018|BLOG|0 Comments

GIS Analyst Job in Lingen or Osnabrück – Germany

Location: Lingen and Osnabrück - Germany GIS Analyst YOUR RESPONSIBILITIES: Definition and execution of client specific data integration processes considering spatial and non-spatial datasets Creation of geospatial analyses and data migration procedures Process automation using standard software tools Project related documentation Quality assurance and control Support project teams in terms of spatial and data related matters [...]

By | June 20th, 2018|EMPLEO|0 Comments

Simple route analysis with pgRouting and QGIS

pgRouting is an extension of PostGIS (geospatial database), which in turn, is an extension of PostgreSQL database system. It adds routing capabilities and network analysis functionalities to the PostGIS geospatial database. You can perform different network analysis, shortest paths, driving distances, service areas on a topological corrected network. To be able to perform route analysis [...]

By | June 20th, 2018|BLOG|1 Comment

Editing vector layers in QGIS

For this exercise please use QGIS version 2.18. Various vector layers and tables (OGR, SpatiaLite, PostGIS, MSSQL Spatial or Oracle Spatial) can be edited in QGIS.  Before you start a editing session in QGIS, make sure you set the right snapping options (Snapping Tolerance and Search Radius). In QGIS you can find these options in [...]

By | June 19th, 2018|BLOG|0 Comments

Free land cover data from Corine Land Cover programme

The CORINE Land Cover (CLC)  data consists of an inventory of land cover in 44 classes. Its minimum mapping unit is 25 hectares (in the case of polygon features) and 100 m for lineal features. Datasets are available for the years 1990, 2000, 2006 and 2012, covering the European continent (except Belarus, Ukraine and Russia) [...]

By | April 26th, 2018|BLOG|0 Comments

Incorporate vector data into a Digital Elevation Model using QGIS 3.0

In this exercise we will try to incorporate the height of the build-up areas (average height of 15 m) above the surface of a digital terrain model. In order to do that we will have to follow a few simple steps. Step 1: Load your necessary data into QGIS map canvas Step 2: We will have to [...]

By | April 25th, 2018|BLOG|0 Comments

How to determine a contributing area/catchment above a predefined location using ArcGIS

In this exercise we will see how to delineate the boundary of a catchment/contributing area using a Digital Elevation Model and a given point (a specific point for which we want to find the contributing/catchment area). ArcGIS can obtain the total area of flowing into this specific point, also called pour point. In order to [...]

By | April 16th, 2018|BLOG|0 Comments

How to create a Visibility Analysis with QGIS

The view matters.  Visibility analysis are important from the planning point of view. Visual analysis tools allow you to generate visibility studies over an area, creating an output raster that display what entities can be seen over a certain landscape, from the point of view of one or more observatory. They are used mainly for the planning [...]

By | April 13th, 2018|BLOG|0 Comments

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