Still looking at sectionals… We will be working through this document this morning. Airport Terms: Uncontrolled airport: airport with no control tower CTAF: “Common Traffic Advisory Frequency”; the VHF frequency used for air-to-air communications AWOS: “Automated Weather Observing System”; an airport weather system that provides continuous, real time information and […]
Monthly Archives: March 2019
8 posts
[Newer version created on 2/2/2021] lidR v3.1.1 & rgdal v 1.5.21 Lab 9 Data Link (clp_tls.laz). This is a large dataset, have patience!!! The “LAZ” file is a common point cloud file format storage type. You read a LAZ the same way you read a LAS – you process […]
Operations near an airport Aguilar – Forza Business Strategies, Inc. Scenario: You present a scenario in which there are two adjacent properties owned by different persons. One has a state-permitted private-use heliport which is used 40 times per month. The other property is a vacant lot where construction has begun […]
Lab08 Data Download Lab 08: Coarse woody debris volume remaining after harvest [Excerpt from Brian Davis’ 2017 thesis,”REFINEMENT OF A DRONE-BASED METHOD FOR ESTIMATING COARSE WOODY DEBRIS AND BIOMASS RESIDUE FOLLOWING FOREST HARVEST”] "… Pine forests of the southern US are a major source of woody debris residues used for […]
Sectionals: Special Use Areas (prohibited, restricted, warning military operation, alert) SOURCES: http://www.faraim.org/aim/aim-4-03-14-143.html http://www.faraim.org/aim/aim-4-03-14-144.html http://www.faraim.org/aim/aim-4-03-14-145.html http://www.faraim.org/aim/aim-4-03-14-146.html http://www.faraim.org/aim/aim-4-03-14-147.html and https://thinkaviation.net/prohibited-areas/ (www.skyvector.com)… NOTE: Pan/Zoom to your flight area (in this example, the Florida panhandle), then click the link in the upper-right to load the region’s sectional (see screenshots below). Click the “World VFR” […]
Monday, you had an opportunity to process a drone-based point cloud using R and the lidR and the rgdal packages. You should have familiarized yourself with the following commands and at least have an idea of what they do: plot() summary() lasfilterdecimate(): https://www.rdocumentation.org/packages/lidR/versions/2.0.0/topics/lasfilterdecimate lasground(): https://www.rdocumentation.org/packages/lidR/versions/2.0.0/topics/lasground lasnormalize(): https://www.rdocumentation.org/packages/lidR/versions/2.0.0/topics/lasnormalize lasfilter(): https://www.rdocumentation.org/packages/lidR/versions/2.0.0/topics/lasfilters grid_metrics(): https://www.rdocumentation.org/packages/lidR/versions/2.0.0/topics/grid_metrics grid_canopy(): […]
Lab 07: Process point cloud in R!!! In this lab, you will use the R programming language to process a point cloud. As in previous labs, the goal is to automatically count trees across the landscape. These methods are relevant even if you are not interested in tree-counting. […]
B SOLID BLUE C SOLID MAGENTA D DASHED BLUE SURFACE-E DASHED MAGENTA ‘TRANSITION’-E FADED MAGENTA (700′) Sources of airspace information Sectional Charts Download (https://www.faa.gov/air_traffic/flight_info/aeronav/digital_products/vfr/) Airspace (Ch 3 of the Aeronautical Information Manual, AIM) (https://www.faa.gov/air_traffic/publications/atpubs/aim_html/index.html). Pay attention to the airspace class definitions (3-2-3 thru 3-2-6). Excellent sectionals document by the Cessna […]