Free radar (SAR) satellite data
Hiking & ActivitiesIs SAR data freely available? Data Availability. Only recently have consistent SAR datasets been widely available for free, starting with the launch and open data policy of the European Space Agency’s (ESA) Sentinel-1a in 2014. How can I download SAR data? Sentinels Scientific Data Hub Create a User Account. Go to Sentinels Scientific Data Hub.
Refering to (Joined) Field Names in arcpy in Field Calculator
Hiking & ActivitiesHow do I calculate a field based on another field in ArcGIS? Procedure In ArcMap, right-click the selected layer in Table Of Contents, and select Open Attribute Table. In the attribute table window, create a new field. In the Editor toolbar, click Editor > Start Editing. Right-click the newly created field, and select Field Calculator.
PyQGIS: Problems with deleting attributes from Geopackage-Layer
Hiking & ActivitiesHow to delete layer from geopackage? In the browser panel, browse to the Geopackage and expand it. Right click the layer you want to delete and select Delete layer . How to delete layer from geopackage Qgis? To remove it from QGIS right-click on the layer and select Remove Layer (1). How do I Delete
Coordinate system – ArcMap and Mapinfo
Hiking & ActivitiesWhich coordinate system is used in ArcGIS? Coordinate systems can be defined in both maps and scenes. In a new, empty map or local scene, the default horizontal coordinate system is WGS84 Web Mercator. For global scenes, the default horizontal coordinate system is WGS84. How do you match a coordinate system in ArcGIS? Right-click the
Including multiple layouts in one ArcGIS Desktop project
Hiking & ActivitiesDoes ArcGIS desktop allow multiple layouts? ArcMap does not have the functionality to host multiple layouts within the same map document. Multiple data frames can be added but reside on the original layout. To work around this limitation, use one of the following suggestions. Use ArcGIS Pro, which supports multiple layouts per individual project. How
Polygons to lines in PostGIS?
Hiking & ActivitiesWhat is polygon in PostGIS? A polygon is a representation of an area. The outer boundary of the polygon is represented by a ring. This ring is a linestring that is both closed and simple as defined above. Holes within the polygon are also represented by rings. How do I make a polygon in PostGIS?