Posted on February 13, 2023 (Updated on July 10, 2025)
Colour coding by day – any conventions?
Hiking & ActivitiesWhich Colours to wear on which day? Day-wise colours to wear on weekdays are White for Mondays, for Tuesday – shades of red, for Wednesdays – green, Thursdays can go with yellow, and Fridays can go with Pink shades. What are color conventions? The concept of “color conventions” refers to the idea that certain colors
Posted on February 13, 2023 (Updated on July 10, 2025)
Graphical modeler in QGIS. I can’t find a model
Hiking & ActivitiesHow to use graphical modeler in QGIS? To start a model in QGIS, we have to open a graphical modeller window from Processing menu then select Graphical Modeler as shown in figure 2. An empty graphical modeller window will be opened as in figure 3. In the graphical modeller window, we can see some icons
Posted on February 13, 2023 (Updated on July 10, 2025)
Compiling Python scripts (to .exe) that use ArcGIS Geoprocessing Tools?
Hiking & ActivitiesHow can you access geoprocessing functionality in a Python script? A geoprocessing service can be accessed through the Python window in ArcMap, a script tool, or a stand-alone script. A URL is used to connect to and use a geoprocessing service. Connect to a service using ImportToolbox. The path used to import the tool is
Posted on February 13, 2023 (Updated on July 10, 2025)
How to add another layer to GeoPackage in QGIS?
Hiking & ActivitiesOne way is to click on Layers → Add Layer → Add Vector Layer (1), navigate to the vector folder (2), click on Add (3) button to load it to the QGIS and Close (4) to stop adding layers (Fig. 1.7. 3). Hereafter is an example on how to add a new layer to GeoPackage
Posted on February 13, 2023 (Updated on July 10, 2025)
Get km route between two points with lat / lng
Hiking & ActivitiesTo calculate the distance between two points given longitude and latitude coordinates: Write down each point’s coordinates in degrees-only format. … Input them in the haversine distance formula: d = 2R⋅sin⁻¹(√[sin²((θ₂ – θ₁)/2) + cosθ₁⋅cosθ₂⋅sin²((φ₂ – φ₁)/2)]) . How to calculate distance in km from latitude and longitude? φ is latitude, λ is longitude, R
Posted on February 13, 2023 (Updated on July 10, 2025)
Labelling nest wells in ArcMap?
Hiking & ActivitiesHow do you label features in ArcMap? Right-click on the layer in the table of contents and select Label Features from the context menu. Toggle this feature on or off by clicking on it. As you zoom and pan a map with dynamically placed labels, ArcMap adjusts the placement of the labels based on the