QGIS Workflow Guide

This guide outlines a basic workflow in QGIS for processing and visualizing DEM files.

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Steps

1. Load DEM File

• Drag a DEM file into the QGIS workspace.

2. Adjust DEM Visualization

• Right-click on the DEM layer → Properties → Symbology.
• Set:
  • Render Type: Singleband Pseudocolor
  • Color Ramp: Turbo
• Click Apply and OK.

3. Generate Slope Raster

• Go to Raster → Analysis → Slope.

4. Adjust Slope Layer Transparency

• Right-click on the Slope layer → Properties → Transparency.
• Set Global Transparency to 50%.

5. Create a New Print Layout

• Go to Project → New Print Layout.

In the layout window:

• Click Add Map to insert the map canvas.
• Click Add Label to add descriptive text.
• Click Add Legend for map elements.
• Click Add Graph if needed (optional).

6. Export

• Export the layout as a .jpg file via the Layout → Export as Image option.
• Save the image in your desired location.

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Notes

• Ensure the DEM and slope layers are correctly aligned in the layer panel for clear visualization.
• The Turbo color ramp is suitable for topographic contrast but can be changed based on preference.