GPS accuracy threshold standard

What is a good GPS accuracy? For example, GPS-enabled smartphones are typically accurate to within a 4.9 m (16 ft.) radius under open sky (view source at ION.org). However, their accuracy worsens near buildings, bridges, and trees. High-end users boost GPS accuracy with dual-frequency receivers and/or augmentation systems.  What is GPS threshold? Once the light

Measuring areas in WGS 84

What units does WGS84 use? The WGS84 Coordinate Systems adds Greenwich as the starting point (prime meridian) for the longitude (0°) and sets the units in degrees (°). This coordinate system also has a unique reference code, the so-called EPSG code, which is 4326.  Is WGS84 a projection or datum? WGS84 is defined and maintained

Is there an automated way to import a GPX file and use the filename as the layer name in QGIS?

How do I convert a GPX file to a shapefile in QGIS? Quote from video: So first things first we need to go up to the add new vector button right up here. And you wanna browse to where you saved your GPX file the one you off your GPS. So mines in here. How

Trying to convert NetCDF file to shapefile in QGIS

How do I open a netCDF file in QGIS? Open a derived NetCDF file with QGIS Download the file of interest (see How to manually download derived data from THREDDS for more information). Start QGIS. In the top menu select “Layer” -> “Add Layer” -> “Add Raster Layer”. As “Source type” select “File”. Can QGIS

Is there a way to execute FME transformers from a PythonCaller script in an FME workspace?

How to use Python script in FME? In the Workbench Navigator pane under Workspace Parameters > Scripting, you will see a parameter called Startup Python Script.Example 1: Create . zip File Backup of Source Dataset The name of file to create, including the path. The format of the archive file (zip in this example) The

Avoiding cutting labels along map border using QGIS

How do I hide labels in Qgis? For the features where you do not want to show labels, fill it up with the value 0 . Then in the label dialog, where you configure the label display options, add a filter like “show_lbl” >= 1 . The feature labels should be displayed/hidden to your liking. 

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