How to set up GeoDjango with PostGIS 2.0?
Geographic Information SystemsHow to install GeoDjango? First, download the OSGeo4W installer (64bit), and run it. Select Express Web-GIS Install and click next. In the ‘Select Packages’ list, ensure that GDAL is selected; MapServer is also enabled by default, but is not required by GeoDjango and may be unchecked safely. How do you use GeoDjango? Geographic Admin Let’s
Why difference between Google Earth and QGIS distance measurement?
Geographic Information SystemsHow accurate are Google Earth distance measurements? Measurements of distances may not be 100% accurate, especially in areas with 3D terrain and buildings. For best results, measure using a top-down view. Tips: Measurements don’t account for changes in elevation. How are Google Earth and Qgis similar and different? When assessing the two solutions, reviewers found
Adding GUID field with ArcObjects
Geographic Information SystemsHow do I populate a GUID field in ArcGIS pro? Populating the GUID field Click Customize > Customize Mode on the main menu. The Customize dialog box appears. Click the Commands tab. In the Categories list, click Production Editing. Click and drag Populate GUID to a toolbar. Click Close. How do you add a field
Refering to 0° of longitude/latitude in a range
Geographic Information SystemsWhat is the reference line 0 for longitude called? The prime meridian The prime meridian is the line of 0° longitude, the starting point for measuring distance both east and west around Earth. The prime meridian is arbitrary, meaning it could be chosen to be anywhere. What is the range of longitude latitude? Latitude is
Removing last part of a field in QGIS attribute table, not the same length of cells
Geographic Information SystemsHow do I delete a feature from an attribute table in QGIS? x there is also a button to delete attributes in the properties menu. First toggle editing (right click on a layer -> toggle editing) and go to the properties menu (right click -> properties or just double click). Go to the source fields
Create polygons from point dataset, where each polygon contains 3 points from the dataset
Geographic Information SystemsHow do I create polygon from points in QGIS? Converting points to polygons can be done in just three steps: Insert the points layer: In QGIS, insert the shapefile map containing the points layer, through the menu: Layer -> Add Layer -> Add Vector Layer. Create a buffer around the points: Select from the menu:
New Google Earth app max overlay texture size reduced?
Geographic Information SystemsWhat is the maximum texture size for Google Earth? If you go to Help >> About Google Earth (somewhere else on Mac), you’ll see a line about “Max Texture Size”, which indicates this limit. Most are 4096×4096 or 8192×8192, though some are lower and some are higher. How do I scale an image overlay in
How should ODC databases be restored and snapshot in Docker?
Geographic Information SystemsHow to restore volume backup in docker? To restore a volume with an existing backup, you can run a new container that mounts the target volume and executes the tar command to decompress the archive into the target volume. A quick Google search returns a number of bash scripts that can help you back up
Extracting raster pixel value in ArcGIS Desktop?
Geographic Information SystemsHow do I extract pixel values from raster in ArcGIS? To extract values from multiple rasters or a multiband raster dataset, use the Extract Multi Values To Points tool. The interpolation option determines how the values will be obtained from the raster. The default option is to extract the exact cell value at the input
Converting to PDF using QGIS?
Geographic Information SystemsIf you want a PDF you need to first create a composer window, File->New Print Composer.. . Once you have a new print composer you can add a map ( Layer->Add Map.. ) and add it by dragging an area in the composer. You can then export the composer to PDF using File->Export to PDF..