Cycling, The John Bunyan Way
Cycling, The John Bunyan Way An 18 km cycle ride through the fields of Bedfordshire on a summer’s evening after a day at the keyboard.
Relief, Slope, Aspect & The Digital Surface Model
Relief Shading Relief shading uses shadows to bring out the topography of the terrain from a digital elevation model (DEM). It is creating using a technique called hillshading. Variations in hillshade give the elevation a 3D effect displaying hilly or flat areas of the data. Slope Slope displays the inclination or steepness of a surface, […]
The Slope of a Building’s Roof
Exploring the slopes of roofs on residential and commercial buildings. Using the Environment Agency’s opensource 1 m LIDAR data, I calculate the roof angle on the Cardington Airship Sheds to be about 33 degrees from the horizontal. If the data were finer at a resolution of 0.5 m or 0.25 m, results would be more accurate on […]
Karnali River: Watersheds And Tributaries
Watersheds and major tributaries of the Karnali River basin. The Karnali River, in the far western adminstration region of Nepal. The Karnali River comprises tributaries of the Bheri river and it’s two main tributaries, the Sani Bheri and Thuli Bheri. The Mugu Karnali and Humla Karnali are large systems of the same river, in the […]