Fatwa Ramdani
Fatwa Ramdani
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Supervised Classification using Dzetsaka Plugin
This video will guide you on how to do supervised classification using Dzetsaka plugin of QGIS. Start from how to download administrative political boundary, select the study area and export as GeoJSON, looking for the available satellite data of Sentinel-2, download it, create ROI, do the classification, and finally calculate the area of each class in ha as well as its percentage.
Переглядів: 139

Відео

Working with global 30 m impervious surface dynamic dataWorking with global 30 m impervious surface dynamic data
Working with global 30 m impervious surface dynamic data
Переглядів 1112 місяці тому
This video will guide you on dealing with multiple raster data, creating virtual raster data, and working with the layout manager of QGIS. Specifically on how to create an inset or map overview.
Handling vector dataHandling vector data
Handling vector data
Переглядів 1522 місяці тому
This is a very basic introduction to how to handle vector data using QGIS. This video covers how to open vector data, do basic multiple ways of spatial queries, vector classification, and visualization.
Handling raster dataHandling raster data
Handling raster data
Переглядів 982 місяці тому
This is a very basic introduction to how to handle raster geospatial data using QGIS. Data used in this example are Population, PM2.5, and nighttime satellite data. Data available from: 1. Population: ghsl.jrc.ec.europa.eu/download.php?ds=pop 2. PM2.5: sedac.ciesin.columbia.edu/data/set/sdei-global-annual-gwr-pm2-5-modis-misr-seawifs-aod-v4-gl-03/data-download 3. Nighttime: eogdata.mines.edu/ni...
Creating 3D visualizationCreating 3D visualization
Creating 3D visualization
Переглядів 1112 місяці тому
This video guides you on how to look for DEM data using Open Topography Downloader and satellite data using EarthExplorer. But first, you need to register through the following URL: 1. portal.opentopography.org/newUser 2. ers.cr.usgs.gov/register For download DEM you need to get an API key, copy and paste it into OpenTopo downloader plugin within QGIS. For dowloand satellite data you may go to ...
Zonal Statistic and GeodaZonal Statistic and Geoda
Zonal Statistic and Geoda
Переглядів 842 місяці тому
This video will guide you on how to do zonal statistic analysis using QGIS and Global and Local Moran's analysis using GeoDa. Data used in this exercise comes from: 1. Malaria data: data.malariaatlas.org/maps?layers=Malaria:202206_Global_Pf_Parasite_Rate 2. data.humdata.org/dataset/bottom-up-gridded-population-estimates-for-nigeria While you can download GeoDa software from: geodacenter.github....
Handling NetCDF dataHandling NetCDF data
Handling NetCDF data
Переглядів 2442 місяці тому
This video guides you on how to handle NetCDF data that contains multiple layers of raster data. Using QGIS you will be guided on how to calculate the annual precipitation, temperature, and wetness data using a raster calculator. You will also learn how to clip raster data using a mask layer (your study area or area of interest), convert raster to point, and extract the raster data values using...
Dealing with attribute tableDealing with attribute table
Dealing with attribute table
Переглядів 1132 місяці тому
This video guides you on how to deal with attribute tables. How to delete, create new fields, transfer, and use a field calculator to calculate the area. This video also will guide you on how to join a table using the join field, manually add the cell, rename the field name, and convert from string into numeric. Furthermore, you will also guided on how to create a thematic map with symbology, u...
Exploratory Spatial Data Analysis (ESDA) & Spatial Statistics using QGIS and GeDaExploratory Spatial Data Analysis (ESDA) & Spatial Statistics using QGIS and GeDa
Exploratory Spatial Data Analysis (ESDA) & Spatial Statistics using QGIS and GeDa
Переглядів 1392 місяці тому
This video guides you on how to do ESDA and spatial statistics using QGIS and GeoDa. But first, you have to download R and RStudio prior to doing the analysis. You may download the R and RStudio from posit.co/download/rstudio-desktop/ while GeoDa is available from geodacenter.github.io/download.html
Download Sentinel-2 data and visualize it using QGISDownload Sentinel-2 data and visualize it using QGIS
Download Sentinel-2 data and visualize it using QGIS
Переглядів 2202 місяці тому
This video guides you on how to search, download, and visualize Sentinel-2 data using the QGIS and Semi-automatic classification plugin. To download you must register first from here: dataspace.copernicus.eu/ then open the Copernicus browser from: dataspace.copernicus.eu/browser/