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 [...]
A coordinate system is responsible for displaying your data in the right location. Understanding how to properly work with Coordinate Systems can save unnecessary work and reduce the errors you may encounter in the development of the project. Lets see a simple example regarding this matter. We have two layers that represent the country limit [...]
The Semi-Automatic Classification Plugin version 6.0, updated and designed to work with QGIS 3.0 has a new cool main interface, new tabs and intuitive design. In order to start working with satellite data and realize operations like download satellite data, preprocessing, band processing, postprocessing go to any of the following buttons as highlighted in the [...]
QGIS 3 has a new plugin architecture, meaning that plugins are not immediately available/compatible with this new version. The QGIS OpenStreetMap Plugin is a plugin for the desktop GIS application QGIS. With the release of the new QGIS 3.0 version this plugin it is not available yet. We will have to wait for a new release of the [...]
After a long wait QGIS 3.0 is finally here. The first release in the 3.x series has aired. From now on, 2.18 is the only Long Term Release (LTR) and 2.14 is retired. Several new features has been added. QGIS is Free software and you are under no obligation to pay anything to use it. [...]
23.02.2018 it is a big day for all QGIS users. After a long wait QGIS 3.0 will be finally released. According to QGIS Road Map the new version will be launched tomorrow. Its really a big thing if we take into consideration that there has not been any major releases since 2013 when version 2.o came [...]
OpenGeo Suite is a full geospatial software stack that helps you compose, style, publish, and manage maps and data with ease. You can get PostGIS/PostgreSQL and other web GIS utilities in a single and fast installation using the OpenGeo Suite package installer. If you do not want all OpenGeo Suite capabilities and software that come along [...]
In this exercise we will try to compare two of the best 3D Web Mapping APIs that currently exist on the market. We will focus on the main differences when it comes to data modeling, processing, symbolization and visualization. On the one hand, The JavaScript API is performing better when it comes of visualization and [...]
Sinergise EO Browser is a free spatial data visualization tool which allows users to search and study a vast amount of satellite imagery. It brings together products like Sentinel-2 and Sentinel-3, ESA’s archive of Landsat 5, 7 and 8, global coverage of Landsat 8, and Proba-V. All of these can be found in the same place, providing a full resolution [...]
If you have two raster’s (digital elevation models) of the same area but they are displaying the area in two different moments of time, it is possible to fill up the space between them and obtain valuable data about the differences that occurred in time or due to an anthropic activity, for example a mining [...]
