on February 12, 2023
Calculate distance between consecutive GPS points for each id
Geographic Information SystemsHow do you find the distance between GPS points? To measure the distance between two points: On your computer, open Google Maps. Right-click on your starting point. Select Measure distance. To create a path to measure, click anywhere on the map. To add another point, click anywhere on the map. When finished, on the card
on February 12, 2023
Fill Ring tool problem
Geographic Information SystemsWhy can’t i add a ring in QGIS? When a polygon has invalid geometry, QGIS doesn’t know where the inside of the polygon is. Since a ring must be placed inside a polygon, attempting to place a ring inside an invalid geometry will give this error. Common geometry errors include: Duplicate vertices: one vertex directly
on February 12, 2023
NDVI calculation
Geographic Information SystemsHow To Calculate NDVI? NDVI is calculated with the following expression: NDVI = (NIR-Red) / (NIR+Red), where NIR is near-infrared light and Red is visible red light. There’s a great number of free online GIS tools that allow you to instantly calculate NDVI. How is NDVI calculated? (NIR – R) / (NIR + R) In
on February 12, 2023
Add quotation around
Geographic Information SystemsHow do you put quotes around a string? To place quotation marks in a string in your code In Visual Basic, insert two quotation marks in a row as an embedded quotation mark. Insert the ASCII or Unicode character for a quotation mark. You can also define a constant for the character, and use it
on February 12, 2023
Performing QField data import?
Geographic Information SystemsHow to collect data with QField? How To Use QField Download the QField Sync plugin. The QField Sync plugin analyzes your project and suggests any actions to make sure the project works with QField. Configure your project. Layer configuration. Basemap setup. Create a QField package. Start your fieldwork. Synchronize from QField. How do I
on February 12, 2023
Creating landcover map from KML files
Geographic Information SystemsHow do I import a KML file into ArcGIS? Add a KML file to your map Step 1 — Sign in to your ArcGIS account and open Map Viewer. Step 2 — In the Add Layer pane, click Your device and browse for the KML file, or drag and drop the KML onto the pane.
on February 12, 2023
QGIS Server doesn’t connect to MSSQL layers
Geographic Information SystemsHow to connect to Mssql database in Qgis? To connect to your SQL Table via QGIS, choose Layer > Add Layer > Add MSSQL Layer > and in the Data Source Manager choose to create a New Connection and enter the details for your SQL Database. You will need; a name for the connection (Connection
on February 12, 2023
More efficient way to pan and mark locations viewed in ArcMap10
Geographic Information SystemsHow do I make ArcMap draw faster? Hardware Rebooting the machine. Ensure the hardware meets the system requirement when installing or upgrading to a new version of ArcMap. Increase the amount of RAM in the machine to recommended minimum amount or higher. Ensure that all hardware drivers are updated. Optimize virtual memory. What tool
on February 12, 2023
Is ArcGIS Pro truncating of some legend titles documented?
Geographic Information SystemsHow do I format a legend in Arcgis pro? Add a legend Open a layout with at least one map frame. Select the map frame in the Contents pane. Optionally, expand the map in the Contents pane to select a subset of layers. On the Insert tab, in the Map Surrounds group, click the Legend
on February 12, 2023
Why do I need to know what “endianness” is?
Geographic Information SystemsWhy is endianness necessary? If we were to store the previously mentioned value into memory using little-endian we would get the following. Note that each 2 hex letters represent 1 byte. In the end, that is why endianness is important; because not knowing how data is stored would lead to communicating different values. What does