Querying OpenStreetMap tags by polygon using QGIS?
Geographic Information SystemsHow to use OpenStreetMap in QGIS? Start QGIS Desktop. Go to: Vector (menu) → OpenStreetMap → Import Topology from XML. Select the . osm file, and it’ll suggest a name for the SpatiaLite database that will be created from this data. How to convert OSM to shapefile in QGIS? Quote from video: Now we type
ArcMap data links redirecting to location of exported map
Geographic Information SystemsHow do I fix a broken data link in ArcMap? Repair a broken data source link for a layer or table In the Contents pane of a map, right-click the dataset, and click Properties. On the Source tab, click Set Data Source. On the dialog box that appears, browse to the data source, select it,
Gradient buffering background layer in ArcGIS Desktop?
Geographic Information SystemsWhat is feathering on a map? Feathering is a technique that makes the area you want to highlight on your map stand out. This helps your map readers focus on the area that’s important on the map. With feathering, you can fade a dark edge of any color into the background. How do I fill
Water depths map layer
Geographic Information SystemsWhat maps show water depths? Bathymetry is the measurement of the depth of water in oceans, rivers, or lakes. Bathymetric maps look a lot like topographic maps, which use lines to show the shape and elevation of land features. On topographic maps, the lines connect points of equal elevation. On bathymetric maps, they connect points
PostGIS change column type varchar => geometry
Geographic Information SystemsHow to change datatype of a column in PostgreSQL? First, specify the name of the table to which the column you want to change belongs in the ALTER TABLE clause. Second, give the name of column whose data type will be changed in the ALTER COLUMN clause. Third, provide the new data type for the
Earth engine reproject: why does reprojecting a pixel at 30m scale gives me pixels with an area of ~550?
Geographic Information SystemsWhat is scale in Google Earth Engine? Understanding how Earth Engine handles scale is crucial to interpreting scientific results obtained from Earth Engine. Here, scale means pixel resolution. Unlike other GIS and image processing platforms, the scale of analysis is determined from the output, rather than the input. How do I change the projection on
Joining polygons with same boundaries
Geographic Information SystemsHow do I merge polygons in the same layer? Note: Click the Edit tool. on the Editor toolbar. Click the features you want to merge. The features must be from the same layer. Click the Editor menu and click Merge. Click the feature that the features will be merged into and will supply the attributes
Determining UTM zone from GeoTIFF in QGIS
Geographic Information SystemsHow do I find UTM zone in Qgis? I find the simple way is to set Google Earth to display UTM coordinates (Tools -> Options) and then fly to a town or other feature that appears on the raster image. The UTM coordinates for the location under the GE pointer appear in the bottom bar,
What geoprocessing tool do I use in order to assign a projected coordinate system to a raster?
Geographic Information SystemsWhat geoprocessing tool would I used to convert the image from one coordinate system to another? Project Raster tool The Project Raster tool is used to transform a raster from one CRS to another. It does change the underlying coordinates. How do I set a projected coordinate system in ArcGIS? Create a coordinate system In
Clipping MBTiles with BoundingBox
Geographic Information SystemsHow do you display your MBTiles? To display MBTiles, upload them directly to Mapbox Studio via the Mapbox Studio tilesets page. Once they have been uploaded, you can either add them to a style or request them directly using Mapbox GL JS or one of the Mapbox mobile SDKs. Note that the mobile SDKs do