Pan sharpening with surface reflectance data
Geographic Information SystemsWhat is Pan sharpening in remote sensing? Panchromatic sharpening (pan-sharpening) is a technique that combines the high-resolution detail from a panchromatic band with the lower-resolution color information of other bands (usually only the visible bands). What is Pan sharpening used for? This process is used to increase the spatial resolution and provide a better visualization
Uploading *.dwg layers to QGIS
Geographic Information SystemsHow do I add a DWG layer to QGIS? DXF and DWG files can be added to QGIS by simple drag-and-drop from the common Browser Panel. You’ll be prompted to select the sublayers you’d like to add to the project. Layers are added with random style properties. How to convert DWG to shapefile in QGIS?
QGIS core plugins vs. normal plugin: what is the difference?
Geographic Information SystemsWhat is the purpose of Plugins in QGIS? Plugins in QGIS add useful features to the software. Plugins are written by QGIS developers and other independent users who want to extend the core functionality of the software. These plugins are made available in QGIS for all the users. What additional functionality does the plugin QuickOSM
QGIS: Clip Raster by Mask Layer-permanently remove black edges
Geographic Information SystemsHow do I remove black from raster QGIS? To remove the black border temporarily in QGIS, you can set the “Additional no data value” in Layer properties -> Transparency to 0 (or 000000). If the border is not 100% black you can use the information tool to find out which color you need to set
Reading non-standard JSON / TopoJSON files in GeoPandas
Geographic Information SystemsWhat file types can GeoPandas read? GeoPandas supports writing and reading the Apache Parquet and Feather file formats. Is GeoJSON the same as TopoJSON? TopoJSON is an extension of GeoJSON that encodes topology. Rather than representing geometries discretely, geometries in TopoJSON files are stitched together from shared line segments called arcs. Arcs are sequences of
Drawing circle with OpenLayers3, but not seeing on map?
Geographic Information SystemsHow do I draw a circle in Google Maps? Draw a line or shape On your computer, sign in to My Maps. Open or create a map. Click Draw a line. Select a layer and click where to start drawing. Click each corner or bend of your line or shape. When you’re finished drawing, double-click
QGIS CRS WGS 84 problem with the scale and measurement
Geographic Information SystemsHow do I fix CRS in QGIS? Open new map in QGIS and from menu bar select Project -> Project Properties. Select CRS tab on left side of Project Properties window and check the box “Enable ‘on the fly’ CRS transformation. Choose appropriate CRS, apply changes, and close window. How do I fix projection in
Landsat Gap Fill
Geographic Information SystemsWhat is gap mask in Landsat 7? Band-specific gap mask files are included with every Landsat 7 Scan Line Corrector (SLC)-off Level-1 data product. These ancillary data identify the location of all pixels affected by the original data gaps in the primary SLC-off scene. How do I create a gap fill? You just click on
Creating citation in ArcGIS Online map
Geographic Information SystemsHow do you cite a map in ArcGIS online? To reference the use of the ArcGIS Online basemap in other publications such as in the works cited section of a research paper, follow the following style: Author. “Map title” [format]. Scale. How do you cite sources on a map? Printed map references should be cited
Publishing Earth Engine App with restricted access
Geographic Information SystemsHow do I publish my Google Earth Engine app? Publishing Your App To publish an App from the Code Editor, first load the script that you want to make into an App, and then open the App Management panel, which you can access by clicking the Apps button above the script section in the Code