Geotools: unexpected difference between CRS.decode(“EPSG:4326”) and DefaultGeographicCRS.WGS84

Is 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

Why is short-wave infrared portion of electromagnetic spectrum so sensitive to fire?

What 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

Convert Line to central point in QGIS?

How 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

How to find road distance between two points in PyQGIS

How 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

How 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?

How 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

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