How do I initialize the ArcGIS proxy via server side .NET code (C#)?
Geographic Information SystemsWhat is proxy in ESRI? A proxy page stands between a server and an application. By using a proxy, you allow an application to authenticate on your behalf, bypassing a challenge and accessing secured services inside of an application.Apr 7, 2015 How do I log into ArcGIS Server Manager? The URL for ArcGIS Server Manager
Is there a performance difference between SQL Server 2008 and 2008 R2?
Geographic Information SystemsWhat is difference between SQL Server 2008 and 2008 R2? SQL Server 2008 R2 has more visual features than the SQL Server 2008. As well as SQL Server 2008 R2 supports for mainly data analysis, data presenting and deal with databases which is located in several physical locations. It’s not a total new product.Dec 17,
OpenStreetMap editing problem
Geographic Information SystemsCan you edit OpenStreetMap? Several editors can be used to edit features in the OpenStreetMap database. Before you can edit any data you will need to create an OSM account. How long does it take to update OpenStreetMap? “A change of the data at openstreetmap.org will be considered in our APIs roughly after 1 to
Geotools: unexpected difference between CRS.decode(“EPSG:4326”) and DefaultGeographicCRS.WGS84
Geographic Information SystemsIs EPSG 4326 the same as WGS84? 4326 is just the EPSG identifier of WGS84. WGS84 comprises a standard coordinate frame for the Earth, a datum/reference ellipsoid for raw altitude data. What is WGS84 epsg4326? The WGS84 Coordinate Systems adds Greenwich as the starting point (prime meridian) for the longitude (0°) and sets the units
Convert Line to central point in QGIS?
Geographic Information SystemsHow do I convert lines to points in Qgis? Method 2 – QGIS Geometry Tool From the menu select Vector>> Geometry Tools>> Extract nodes. Set the following: The source layer to be the line file you wish to convert. The output file name and location. Click “Run” and the tool will create a new point
Why is short-wave infrared portion of electromagnetic spectrum so sensitive to fire?
Geographic Information SystemsWhat is a short wavelength infrared radiation? Shortwave infrared (SWIR) light includes wavelengths between 1,100 and 3,000 nanometers. Water absorbs shortwave infrared light in three regions: 1,400, 1,900, and 2,400 nanometers. The more water there is, even in soil, the darker the image will appear at these wavelengths. Is infrared long or short-wave? Infrared waves
How to find road distance between two points in PyQGIS
Geographic Information SystemsHow do you find the distance between two points in surveying? Distance between two points is the length of the line segment that connects the two points in a plane. The formula to find the distance between the two points is usually given by d=√((x2 – x1)² + (y2 – y1)²). This formula is used
Area Calculation doesn’t work after reprojecting the Vector
Geographic Information SystemsHow do you Reproject a vector layer? Steps for reprojecting a shapefile: Open QGIS 2.0 desktop. From the menu bar choose ‘Layers’ à ‘Add vector layer’. A dialog box opens, browse to the location of the required shapefile and click ‘Open’. A shapefile will be displayed on the workspace and the name of the file
Opening .sdc file in QGIS?
Geographic Information SystemsHow to open. SDC file? Programs that open and convert SDC files: Accounting by Microsoft. BusinessMAP (map layer file) by Esri. MSDN AA (encrypted compressed archive file) by Microsoft. OpenOffice (spreadsheet) by Apache. Sexy Desktops (Data File) by Dancing Bits. Smart Diary Suite (configuration data file) by Programming Sunrise. What is an SDC file? An
When trying to load a shapefile into QGIS, a little photograph icon comes up instead of a line.
Geographic Information SystemsHow do I import a shapefile into QGIS? How to import a shapefile into QGIS? Open QGIS and click LAYER > ADD LAYER > ADD VECTOR LAYER. Select the zipped shapefile. Click OPEN. You have now successfully imported a shapefile into QGIS. How do I create a shapefile in QGIS? Open QGIS and create a