AspectMap - simultaneously shows the aspect (direction) and degree (steepness) of slope for a terrain (or other continuous surface).SlopeMap – the degree of slope is represented by a colormap that represents flat surfaces as gray, shallow slopes as light yellow, moderate slopes as light orange and steep slopes as red-brown.Elevation Tinted Hillshade – is a combination of a hillshade applied to the Terrain, fused to a colormap applied to the same Terrain to represent elevation.
Multi-Directional Hillshade – shows hillshades computed from 6 different directions. Hillshade – a grayscale 3D representation of the terrain surface with a solar azimuth of 315 degrees and solar altitude of 45 degrees. Quick access to the following dynamically-generated elevation derivatives include: Datasets are described on the 3DEP Products and Services webpage. Availability and scales of data vary by location. All available resolutions of data can be visualized through the 3DEP Elevation Data Availability Index service. The most current, highest resolution elevation data available are highlighted as users zoom in to larger scales. That data will continue to become increasingly available as 3DEP progresses towards its goal to complete nationwide lidar data coverage (IfSAR in Alaska) by 2023. The dynamic platform supports the exploration of Digital Elevation Models (DEMs) for the US and territories at a mixture of scales, including 1 meter DEMs. The Wood Shake and Wood Shingle Roof Systems section includes 72 construction details.Elevation aspect map rendered in the 3DEP Demonstration Elevation Viewer. The Slate Roof Systems section includes 21 construction details. The Metal Shingle Roof Systems section includes 19 construction details. 
The Clay and Concrete Roof Systems section includes 73 construction details. The Asphalt Shingle Roof Systems section includes 20 construction details. Construction details are provided in each section as follows: With five complete sections-Asphalt Shingle Roof Systems, Clay and Concrete Roof Systems, Metal Shingle Roof Systems, Slate Roof Systems, and Wood Shake and Wood Shingle Roof Systems-this manual is a welcome addition to your technical library.Įach section includes information about roof decks, underlayments, materials, design and installation. The latest volume of the NRCA Roofing Manual provides you with comprehensive information about the design, materials and installation techniques applicable to steep-slope roofing applications.
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