![]() ![]() Lowering this value will sample the terrain at a higher resolution and may increase processing time. The default value is the average of the grid spacings of all the layers being used in the analysis. The entered value will serve as the sample spacing in the X and Y directions. Sectional charts, or simply sectionals cover a grid of the entire country. This will be the resolution at which the terrain grid will be sampled to generate the curvature grid. The Sample Size section allows the user to select the grid spacing to use when generating the curvature grid. Longitudinal Curvature - curvature of the slope normal and slope directionĬross Sectional Curvature - curvature of the slope normal perpendicular to slope direction. Standard (Combined Profile and Planform) - combines the profile and plan curvature into a single value Planform - curvature perpendicular to the direction of the maximum slope Profile - curvature parallel to the slope indicated the direction of maximum slope Each method checked in this list will generate a separate curvature grid layer in the workspace. Several methods are available for curvature analysis. The description defaults to Curvature Grid - %TYPE% where the %TYPE% variable will be determined by the selected curvature type. with CAP/SAR Grid(secgrids), Terminal Area Charts with CAP/SAR Grid(tacgrids). The new layer Description can be customized. Faa Sectional Charts PdfNon-IAP Airports shown on the Alaska Low Altitude. When selected the command opens the Curvature Grid Setup dialog which allows the user to select the analysis method for the curvature grid creation. By default the Curvature Shader will be applied to the generated Curvature Grid layers. The Create Curvature Grid from Terrain Layers command generate a gridded layer depicting the curvature values present in the loaded terrain based on the selected curvature type analysis. Create Curvature Grid from Terrain Layer(s) ![]()
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