Projections when using google maps and rest service on openlayers
Hiking & ActivitiesCan I use Google Maps with Openlayers? Unlike Bing Google does not allow its map tiles to be used directly in Openlayers, and you can’t use OpenLayers code in the Google maps API so you would need to rewrite much of it. However, it is possible to use javascript to place an Openlayers map and
Installing PostGIS on Windows
Hiking & ActivitiesFor a Windows install: Go to the Windows PostgreSQL download page. Select the latest version of PostgreSQL and save the installer to disk. Run the installer and accept the defaults. Find and run the “StackBuilder” program that was installed with the database. How to install PostgreSQL PostGIS? Step 1: Install Packages for PostGIS Option 1
Can PHP be used to set the XY, zoom of a Mapbox.js map?
Hiking & ActivitiesHow do I enable zoom in Mapbox? The TouchZoomRotateHandler allows the user to zoom and rotate the map by pinching on a touchscreen. They can zoom with one finger by double tapping and dragging. On the second tap, hold the finger down and drag up or down to zoom in or out. What is the
Difference between Image Analysis Window and other associated tools?
Hiking & ActivitiesWhat are the image processing tools in Arcgis? Requires Maintenance Subscription — Learn how to access. Imagery is a pervasive data source used for geographic context, visualization, and analysis. Learn techniques to enhance and control image display, perform change detection and derive new products from a single image source. What is Image Analysis used for?
Near Geoprocessing service
Hiking & ActivitiesWhat is a geoprocessing service? A geoprocessing service is a collection of geoprocessing tools published to a server site to perform tasks necessary for manipulating and analyzing geographic information across a wide range of disciplines. What is the near function in GIS? A near angle measures direction of the line connecting an input feature to
Adding Area column in Polygon layer using PyQGIS?
Hiking & ActivitiesHow do I add an area field in QGIS? Click the Add button. Right click the layer in the Layers Panel then click the Open Attribute Table menu option. Click the Toggle Editing Mode button. Click the New Field button. How do you find the sum of the area of a polygon? Divide the polygon