on February 13, 2023
Iterating over dates to extract precipitation in Google Earth Engine
Geographic Information SystemsHow do you use loops in Google Earth Engine? For Loops. The use of for-loops is discouraged in Earth Engine. The same results can be achieved using a map() operation where you specify a function that can be independently applied to each element. This allows the system to distribute the processing to different machines. How
on February 13, 2023
Attribute Table missing After Raster Calculator?
Geographic Information SystemsWhy doesn t my raster have an attribute table? You cannot build a raster attribute table for a raster dataset that is a pixel type of 32-bit floating point. You can generate an attribute table for a multidimensional dataset. Does raster data have an attribute table? Each raster dataset in a raster catalog can have
on February 13, 2023
Intermediate points on a small circle
Geographic Information SystemsWhat are the points inside the circle? If the distance is greater than the radius, the point lies outside. If it’s equal to the radius, the point lies on the circle. And if it’s less than the radius, you guessed it right, the point will lie inside the circle. As simple as that! How do
on February 13, 2023
How can I measure the distance between many polygon features and either another polygon or a line in QGIS?
Geographic Information SystemsHow do you measure distance in QGIS? Quote from video: And so if I click to open the measure tool it opens a window that allows you to draw segments. Now it gives you the distance by default in the units of the projection in this case meters. How do you find the distance between
on February 13, 2023
QGIS web client for Windows 7
Geographic Information SystemsIs QGIS compatible with Windows 7? QGIS 3.14. x will work with the Python support and will have no problem with all the Python plugins (including the Processing core plugin). That is the latest version for Windows 7 64-bit. How do I install QGIS on Windows 7 64-bit? Install Quantum GIS on Windows XP, Vista,
on February 13, 2023
Is MapProxy and Google’s Static Maps API a possible alternative to the QGIS Openlayers plugin?
Geographic Information SystemsWhat is the best alternative to Google Maps API? Radar is the best alternative to the Google Maps API. Radar supports geocoding, search, and distance APIs with high-quality address and place data. Radar is more affordable than the Google Maps API, free up to 100,000 API requests per month and $0.50 per 1,000 requests thereafter.
on February 12, 2023
What data source is behind the ArcGIS GeoEnrichment service?
Geographic Information SystemsWhat is GeoEnrichment? Geoenrichment is a process that assigns demographic attributes to polygon layers based on geographic location. Similar to a spatial join, it leverages data from the Living Atlas of the World to enrich your data. For example, geoenrichment sources can be any demographic information such as education, income, or age. Which data products
on February 12, 2023
Buffering points bounded within polygons
Geographic Information SystemsHow do you buffer inside a polygon? Creating a buffer around a feature Click the Edit tool. on the Editor toolbar. Click the feature around which you want to create a buffer. Click the Editor menu and click Buffer. Type the distance in map units for the buffer area around the feature. Choose the target
on February 12, 2023
Creating PNG images using QGIS 3 pygis
Geographic Information SystemsHow do I save a Qgis file as a PNG? On QGIS > First, set the right channels and histogram in Properties, then > Export > Save As > Select ‘Rendered Image’ > File Format as GeoTIFF > OK. Open exported GeoTIFF on ImageJ (Fiji) > File > Save As > Select PNG. How do
on February 12, 2023
Using band threshold to modify value of another band in Google Earth Engine
Geographic Information SystemsHow do I add bands to Google Earth Engine? img = img. addBands(ndvi); // Compute and add multiple bands (NDWI and NBR). var ndwi = img. How do I normalize data in Google Earth Engine? To normalize, you can use the unitScale method. You need to pass the min/max range of the input. var THERMAL_MIN