At 11:47 AM, a beautiful, shaded relief map appeared. The noise was gone. The algorithm had intelligently interpolated the gaps. He let out a breath he didn’t know he was holding.
Then came the trouble. The LiDAR .LAS file loaded, but the point cloud looked like angry confetti. He opened the —a vast library of algorithms that had saved his skin more times than he could count. He searched for "Noise filter." Nothing worked. The council wanted a clean Digital Elevation Model (DEM) by noon. qgis 3.22
But the legend was ugly. He dug into , changed the font to a clean sans-serif, and used the Attribute Table to manually rename the flood risk categories from "High_Prob" to "Zone 3: Frequent Flooding." Much better. At 11:47 AM, a beautiful, shaded relief map appeared
His fingers flew. He right-clicked the layer, went to , and opened the Symbology tab. He changed the point size to 0.2 and colored by intensity. Still a mess. He remembered a trick from a conference: use the CloudOptimized Point Cloud format. But 3.22 didn’t handle that natively—yet. He let out a breath he didn’t know he was holding