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    Viral Maps

    Three of the leading public health agencies in the Americas provide data and/ or map the Chikungunya epidemic sweeping across the Caribbean and the continental Americas. The Centres for Disease Control & Prevention (CDC) says that 'chikungunya case counts are publicly released every Wednesday'...
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    Lost In Space

    ArianeSpace has reported, in so many words, that the fifth and sixth satellites in the planned Galileo constellation, Europe's next generation Global Navigation Satellite System (GNSS), were placed in a wrong orbit. It's the oddest thing. This delays Galileo from achieving what the European...
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    UnderCHIKV Syndrome

    Total Chikungunya (CHIKV) cases in the Americas have risen to almost 750,000 (Total Cases = Confirmed+Suspected Cases). Since Chikungunya and Dengue have similar symptoms (fever, joint pain), there could be mis-counts of Suspected Cases; however, the severe, often hobbling, joint pain caused by...
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    Open World

    The World Bank's data on a number of development indicators for all countries is now open data. The USA has an Executive Order ( May 2014) to make 'open and machine readable the new default for government information'; and one example is the new open data policy by USAID. The EU has an open data...
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    Code Wars

    In pursuit of a faster, shorter, surer way of getting around (in addition to trusty Lat Long, for reasons explained by the various promoters), there's now Open Location Code (with a demonstration site). The inventors, two Google engineers, seem to have examined the shortcomings of What3Words and...
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    A Big Map

    An open data project, Mapazonia, is using crowdsourcing to go where no map has gone before. This initiative of the Latin American OSM community specifically plans to update data for 5.5 million sq. kilometres of the Amazon on Open Street Map (OSM) using the Humanitarian OSM Tasking Manager tool...
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    Open By Default

    It's very encouraging that global development banks continue to find value in making public spending data, open data, in pursuit of improved transparency, combating corruption and better communication with the public. Many have begun their effort with GIS/ maps, e.g. the World Bank (WB) and the...
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    Rise of the Nodes

    Caribbean open spatial data portals now exist and may be growing. Almost all seem to be based on open source Geonode software, backed by the World Bank OpenDRI, BoundlessGeo/ OpenGeo and others - an initiative that may have started at the CAPRA project in Central America. In the Caribbean, open...
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    Lost At Sea

    Venezuela's Presidential Decree 1787 of 26 May 2015 apparently extends a new zone of military operations into the Exclusive Economic Zones (EEZ) of four other countries. The areas of each EEZ affected by Venezuela are as follows: Barbados 294 sq. km Trinidad & Tobago 4,531 sq. km Guyana 118,156...
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    Mapping Bloodlines

    Today, the IFRC (International Federation of the Red Cross & Red Crescent) holds its 32nd International Conference in Geneva. Today as well, CARPHA (Caribbean Public Health Agency) accompanied by the WHO and PAHO/WHO, begins its Workshop on Network Surveillance of Diseases, in Port-of-Spain...
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    Map Saint Lucia 2016

    Map Saint Lucia 2016, a national Map-A-Thon organised by the Government of Saint Lucia as part of the country's 37th Independence Anniversary celebrations, has (so far) resulted in over 37,000 changes to the Open Street Map data of the island (stats credit: Pascal Neis). One hundred and sixteen...
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    Developing the new Semi-Automatic Classification Plugin 7

    I am glad to announce that I'm working on the development of the new version 7 of the Semi-Automatic Classification Plugin (SCP) for QGIS. The main improvement will be the conversion of several functions, such as the Preprocessing, the Classification and Band calc tools, from single-threading...
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    Developing the new Semi-Automatic Classification Plugin 7: Sentinel-1 download and preprocessing

    I'm continuing the development of the new version 7 of the Semi-Automatic Classification Plugin (SCP) for QGIS. In this post I'll briefly describe the download and processing of Sentinel-1 GRD images in SCP. Synthetic Aperture Radar (SAR) is a technique of active remote sensing that is the...
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    Solved issue related to plugin dependency SciPy

    This is a brief update about the issue described in this previous post https://fromgistors.blogspot.com/2020/08/minor-update-semi-automatic.html , related to the Semi-Automatic Classification Plugin (SCP) dependency SciPy. I'm glad to inform you that the issue is solved in the latest QGIS...
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    Developing the new Semi-Automatic Classification Plugin 7: Random Forest Classification

    A new feature of the upcoming version 7 of the Semi-Automatic Classification Plugin (SCP) for QGIS will be the Random Forest classifier. Machine Learning is a broad set of classification techniques that aim to build mathematical models based on training data. Random Forest is a particular...
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    Developing the new Semi-Automatic Classification Plugin 7: download and processing of GOES-R images

    This is a new post about the upcoming version 7 of the Semi-Automatic Classification Plugin (SCP) for QGIS. In the new version, the Geostationary Operational Environmental Satellite-R Series (GOES-R) will be freely available for download and preprocessing from the Download products tool. GOES...
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    Developing the new Semi-Automatic Classification Plugin 7: Band calc and parallel processing

    The new version 7 of the Semi-Automatic Classification Plugin (SCP) for QGIS will include several updates, in particular regarding multi-threading that will allow parallel processing and reduce the computation time. With the new Band calc tool it will be possible to perform raster calculations...
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    Semi-Automatic Classification Plugin 7: Release date

    This post is to announce the release date of the Semi-Automatic Classification Plugin 7 (codename Matera). This new version will be released on the: 26 October 2020 The Semi-Automatic Classification Plugin (SCP) version 7 has the codename Matera (a city in the Southern Italy, Basilicata Region)...
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    Land Cover Classification using the Semi-Automatic Classification Plugin version 7

    This is a basic tutorial about the use of SCP for the classification of a multispectral image. It is recommended to read the Brief Introduction to Remote Sensing before this tutorial. The purpose of the classification is to identify the following land cover classes: Water; Built-up...
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    How to install the Semi-Automatic Classification Plugin version 7 and version 6 concurrently

    The Semi-Automatic Classification Plugin (SCP) version 7 has been released recently.. In case you still need to use the old version 6 in your QGIS project, you can install both version 6 and 7 of the Semi-Automatic Classification Plugin concurrently. In order to install the SCP version 6 follow...
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