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Differences in the developing of 3D cartographic viewers with Cesium and ArcGIS API for JavaScript

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 [...]

By | February 7th, 2018|BLOG|0 Comments

EO Browser a web tool for Earth observations

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 [...]

By | February 6th, 2018|BLOG|5 Comments

Use ArcGIS tools for 3D mapping – How to fill space between layers?

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 [...]

By | February 1st, 2018|BLOG|0 Comments

What is Google Earth Engine and how you can use it?

One of the latest application launched by Google is Google Earth Engine, an advanced cloud-based geospatial processing platform, designed mainly for planetary-scale environmental data analysis. It combines a multi-petabyte catalog of satellite imagery and geospatial datasets, which allow users to visualize, manipulate, edit and create spatial data in an easy and fast way. It incorporates [...]

By | January 30th, 2018|BLOG|3 Comments

Easy way to download Sentinel-2 images using QGIS SentinelHub Plugin

QGIS SentinelHub plugin from Sinergise is a fantastic tool which allows us to connect to Sentinel data server, visualize, analyze and even download satellite images, all of these using only our Desktop QGIS graphic interface. In addition, it offers interesting capabilities, such as downloading images from a specific range of time, with a specific percentage [...]

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

Simple methodology for water data extraction using QGIS and Sentinel 2 images

Sentinel-2 satellite data proved to be a reliable source of information regarding the monitoring of Earth features and phenomena’s. With a 10 m geometric resolution is the best optical satellite data available free of charge. The temporal resolution is also performing well, the satellites in the Sentinel-2 constellation provide a revisit time of 5 days. [...]

By | January 22nd, 2018|BLOG|0 Comments

Frequent error while importing HEC-RAS data into ArcGIS (using GeoRAS)

HEC-GeoRAS is a tool, that allows processing geospatial data in ArcGIS using a graphical user interface (GUI). The interface capabilities include operations like preparation, import and export data from HEC-RAS into ArcGIS, as well as processing of the exported HEC-RAS data. While importing HEC-RAS data to ArcGIS (using GeoRAS), the appearance of errors is a [...]

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

3D visualization of vector and raster data with ArcGIS Pro

ArcGIS Pro is a big step forward in the visualization, analytics, image processing, management and integration of spatial data. One of the greatest advantage of using ArcGIS Pro is the possibility of visualize your data in 2D and 3D separately or simultaneously. This can be made in a simple and easy way, through the function [...]

By | January 12th, 2018|BLOG|0 Comments

GIS Technical Support Analyst

Location: London The position sits within the Global GIS Centre of Excellence at Wood Mackenzie who are also responsible for the management of the companies GIS Platform, a centrally managed content library and sandbox environment. This is an exciting role where the candidate will develop their GIS skills across all sectors of the business. Main [...]

By | January 10th, 2018|EMPLEO|0 Comments

Delineate snow using Normalized Difference Snow Index, Sentinel 2 and QGIS

The Sentinel-2 mission is a land monitoring constellation of two satellites that provide high resolution optical imagery and provide continuity for the current SPOT and Landsat missions. Sentinel-2 satellite data is provided in multiple levels and stages of processing, from raw data to already TOA, geometric and radiometric calibration (Level-0, Level-1A, Level-1B and Level-1C). SENTINEL-2 [...]

By | January 8th, 2018|BLOG|2 Comments
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