Projection transform in OpenLayers3
Hiking & ActivitiesWhat is the default projection for Openlayers? If you do not explicitly set one, your map is going to use our default which is the Web Mercator projection (EPSG:3857). How do I change the projection of a layer in QGIS? To change the projection of the current map project, click within the map projection information
Spatial Join features of File GDB to shape – problems
Hiking & ActivitiesHow to convert geodatabase file to shapefile? Converting a geodatabase to shapefiles Start ArcCatalog. On the main menu, click Customize > Toolbars > Production Mapping. Click the Production Geodatabase to Shapefile button. Click the ellipsis (…) Navigate to the geodatabase you want to convert to shapefiles. Click Select. Which is a limitation when storing geospatial
Measuring distance from observations to coastline
Hiking & ActivitiesHow would you measure a coastline? The prevailing method of estimating the length of a border (or coastline) was to lay out n equal straight-line segments of length ℓ with dividers on a map or aerial photograph. Each end of the segment must be on the boundary. Why is it so hard to measure coastline?
Ogr2ogr the result of merging two shapefiles has attributes missing
Hiking & ActivitiesHow do I combine two shapefiles with different attributes? Process Click on the Vector menu, Data Management tools, Merge Shapefiles to One Ensure the correct shapefile type is selected (points, lines, or polygons). Select the folder where the two (or more) shapefiles you want to merge are located using the Browse button. How do
Merge without dissolve in ArcGIS for Desktop?
Hiking & ActivitiesWhat is the difference between merge and dissolve ArcGIS? Dissolve: A tool that combines multiple features within a layer into one based on a common attribute value. Online help. Merge features: Must be done in an editing session. Can combine selected features within a layer. What is the opposite of dissolve ArcGIS? Union The opposite
Downloading RGB Sentinel-2 with Google Earth Engine and Python
Hiking & ActivitiesHow 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. Can you use Python in Google Earth Engine? In addition to the web-based IDE Google Earth Engine also provides