on January 31, 2023
QGIS 3 and Southern Hemisphere, Transverse Mercator Projection – Schwarzeck
Geographic Information SystemsWhat projection does QGIS use? Global Projection Specification QGIS starts each new project using the global default projection. The global default CRS is EPSG:4326 – WGS 84 ( proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs ), and it comes predefined in QGIS. How do I fix the projection in QGIS? To change the projection of the current map
on January 31, 2023
Tweak raster calculation
Geographic Information SystemsHow to do raster calculation in ArcGIS? To access the Raster Calculator, select it from the Spatial Analyst toolbar menu. In the dialog box, you can enter Map Algebra in the expression box. The available rasters will be displayed in the Layers list. What are raster calculations? Raster Calculator is designed to execute a single-line
on January 31, 2023
Filling NoData gaps in raster using ArcGIS Desktop?
Geographic Information SystemsHow do I fill NoData in raster ArcGIS? SAGA GIS Close Gaps Tool With a bit of trial and error, we’ve found the most effective way to fill in NoData cells is using the Close Gaps tool. You can find the Close Gaps tool in the Grid toolbox. Change the input raster to your DEM
on January 31, 2023
How to animate daily data in QGIS time manager plugin by changing color of polygon instead of plotting markers
Geographic Information SystemsHow do you change the color of a polygon in Qgis? 3.2.1. Follow Along: Changing Colors Right-click on the landuse layer in the layers list. Select the menu item Properties… in the menu that appears. In the Layer Properties window, select the Symbology tab: Click the color select button next to the Color label. Choose
on January 31, 2023
Monthly Sentinel-2A images in Google Earth Engine Code Editor
Geographic Information SystemsHow do I download Sentinel 2 images from Google Earth Engine? Quote from video: Right click it. And select download don't worry about any virus warnings just click download anyway save this file into your gis folder. What is Sentinel 2A in Google Earth Engine? Sentinel-2 (S2) is a wide-swath, high-resolution, multispectral imaging mission with
on January 31, 2023
Spatial Data Version Control or Versioning Software
Geographic Information SystemsWhat is version control for AI models? What does ‘version control’ mean? Version Control is the process of tracking and managing software changes over time. Whether you’re building an app or an ML model, you need to track every modification done by members of the software team to fix bugs and avoid conflicts. What is
on January 31, 2023
How to add polygon in MySQL database
Geographic Information SystemsHow to insert coordinates in MySQL? Insertion of coordinates To insert/update the field coordinates , we need to prepare a string like this ‘POINT(latitude longitude)’ . Then we will use the in-built function called ST_GeomFromText to create a geometry in given SRID from WKT specification. Pass the prepared string of points into ST_GeomFromText function.
on January 31, 2023
Hyperlink in a package
Geographic Information SystemsWhich package is used to insert hyperlinks? Hyperref. The package hyperref provides LaTeX the ability to create hyperlinks within the document. How to put hyperlink in LaTeX? Links to a web address or email can added to a LaTeX file using the \url command to display the actual link or \href to use a hidden
on January 31, 2023
LULC using SAR data
Geographic Information SystemsDoes environmental data increase the accuracy of land use and land cover classification? The classification process will present more reliable results when aspects associated with natural environments (climate, soil, relief, water, etc.) and anthropic environments (roads, constructions, urban area) begin to be considered, as they determine and guide land use and land cover (LULC). Which
on January 31, 2023
ArcGIS arcpy reprojecting raster issue
Geographic Information SystemsCan you Reproject a raster? The Reproject function modifies the projection of a raster dataset, mosaic dataset, or raster item in a mosaic dataset. It can also resample the data to a new cell size and define an origin. How do I change the projection raster in Arcgis? In the ArcToolbox window, go to Data