LiDAR & CADD -NRCS Engineering Designs Norman Friedrich, P.E. West Union, IA
<ul><li>CADD Tools & Workflow </li></ul><ul><li>Estimates vs Final Designs </li></ul><ul><li>Getting the Design constructe...
 
<ul><li>Software - Existing NRCS options </li></ul><ul><ul><li>AutoCAD Map & Eagle Point (2006 +) </li></ul></ul><ul><ul><...
CADD/LiDAR Workflow <ul><li>Obtain x,y,z,i files in useable format </li></ul>
LiDAR data for CADD -  Iowa <ul><li>BARE EARTH x,y,z,i </li></ul><ul><li>2 x 2 km tiles (988 acres) </li></ul><ul><li>36,4...
Returns <ul><li>Multiple returns </li></ul>1 st  return 2 nd  return 3 rd  return 4 th   return Slide courtesy of USGS
LiDAR data storage <ul><li>500 GB External Hard drive </li></ul><ul><ul><li>County LiDAR data + adjoining counties </li></...
Prep x,y,z files for CADD using Corpscon
Batch Prep of x,y,z files for CADD <ul><li>ALDPAT 1.0  - Airborne LIDAR Data Processing and Analysis Tools </li></ul>
CADD/LiDAR Workflow <ul><li>Obtain x,y,z,i files in useable format </li></ul><ul><li>Identify & Load x,y,z files into CAD ...
Indentify files needed Boundary of Area LiDAR Tile Boundaries
Create surface <ul><li>Leave points external to CADD </li></ul>
CADD/LiDAR Workflow <ul><li>Obtain x,y,z,i files in useable format </li></ul><ul><li>Identify & Load x,y,z files into CAD ...
Export Data for Pond Design using  Convert EP Pool Data
 
CADD/LiDAR Workflow <ul><li>Obtain x,y,z,i files in useable format </li></ul><ul><li>Identify & Load x,y,z files into CAD ...
CADD - Embankment Earthfill = 27,711 cu yds Cut = 160 cu yds
CADD/LiDAR Workflow <ul><li>Obtain x,y,z,i files in useable format </li></ul><ul><li>Identify & Load x,y,z files into CAD ...
Iowa - Standard LiDAR <ul><li>Collection </li></ul><ul><li>1.4 meter sample density </li></ul><ul><li>Filtering </li></ul>...
Comparison to RTK GPS 0.49 0.45 168 Watkins 0.41 -0.37 211 Paint Cr .018 0.03 26 Gouldsburg 0.30 -0.22 41 Westgate 6.52 6....
LiDAR vs Type of Project <ul><li>Waterways – small DA </li></ul><ul><li>Waterways – large DA, flat grades, GPS controlled ...
Implementation <ul><li>GPS using RTK Network (DOT - IA or MN) </li></ul><ul><li>GPS using OPUS-RS adjustment </li></ul><ul...
Implementation What is your plan?   Correlation – Calibration - Verification
Web Links <ul><li>Corpscon </li></ul><ul><ul><li>http://crunch.tec.army.mil/software/corpscon/corpscon.html </li></ul></ul...
The Natural Resources Conservation Service provides leadership in a partnership effort to help people conserve, maintain, ...
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Friedrich - LiDAR CADD Engr. Design

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  • Welcome to the WinPond Workshop. My Name is: Tony Funderburk and I am an Agricultural Engineer for the Central National Technology Support Center (CNTSC) in Fort Worth, Texas I am the National Technical Contact for WinPond. I can be contacted at 817-509-3289 or tony.funderburk@ftw.usda.gov. I will be your instructor for this workshop. I want to make this an informal workshop, so please feel free to ask questions.
  • GPS Base station
  • Friedrich - LiDAR CADD Engr. Design

    1. 1. LiDAR & CADD -NRCS Engineering Designs Norman Friedrich, P.E. West Union, IA
    2. 2. <ul><li>CADD Tools & Workflow </li></ul><ul><li>Estimates vs Final Designs </li></ul><ul><li>Getting the Design constructed </li></ul>LiDAR & CADD -NRCS Engineering Designs
    3. 4. <ul><li>Software - Existing NRCS options </li></ul><ul><ul><li>AutoCAD Map & Eagle Point (2006 +) </li></ul></ul><ul><ul><ul><li>Surface Modeling module </li></ul></ul></ul><ul><ul><ul><li>Reservoir Detention module </li></ul></ul></ul><ul><ul><li>AutoCAD Civil 3D (2009) </li></ul></ul><ul><ul><ul><li>Stage Storage Extension </li></ul></ul></ul><ul><ul><ul><li>Simplify Surface feature </li></ul></ul></ul><ul><ul><li>NRCS Engineering Field Tools (EFT) </li></ul></ul><ul><ul><ul><li>Survey Engineering Tool (SET) </li></ul></ul></ul><ul><ul><ul><li>Waterway Design Tool (WDT) </li></ul></ul></ul>CADD Tools & Workflow
    4. 5. CADD/LiDAR Workflow <ul><li>Obtain x,y,z,i files in useable format </li></ul>
    5. 6. LiDAR data for CADD - Iowa <ul><li>BARE EARTH x,y,z,i </li></ul><ul><li>2 x 2 km tiles (988 acres) </li></ul><ul><li>36,424 tiles in Iowa </li></ul><ul><li>1.5 million data points/tile (~100 MB) </li></ul><ul><li>80 to 120 GB per county </li></ul>
    6. 7. Returns <ul><li>Multiple returns </li></ul>1 st return 2 nd return 3 rd return 4 th return Slide courtesy of USGS
    7. 8. LiDAR data storage <ul><li>500 GB External Hard drive </li></ul><ul><ul><li>County LiDAR data + adjoining counties </li></ul></ul><ul><ul><li>USB powered (No power adapter needed) </li></ul></ul>
    8. 9. Prep x,y,z files for CADD using Corpscon
    9. 10. Batch Prep of x,y,z files for CADD <ul><li>ALDPAT 1.0 - Airborne LIDAR Data Processing and Analysis Tools </li></ul>
    10. 11. CADD/LiDAR Workflow <ul><li>Obtain x,y,z,i files in useable format </li></ul><ul><li>Identify & Load x,y,z files into CAD </li></ul><ul><li>Create ground surface and contours </li></ul>
    11. 12. Indentify files needed Boundary of Area LiDAR Tile Boundaries
    12. 13. Create surface <ul><li>Leave points external to CADD </li></ul>
    13. 14. CADD/LiDAR Workflow <ul><li>Obtain x,y,z,i files in useable format </li></ul><ul><li>Identify & Load x,y,z files into CAD </li></ul><ul><li>Create ground surface and contours </li></ul><ul><li>Ponds </li></ul><ul><li>Determine Storage volumes & Export to WinPond or SITES </li></ul>
    14. 15. Export Data for Pond Design using Convert EP Pool Data
    15. 17. CADD/LiDAR Workflow <ul><li>Obtain x,y,z,i files in useable format </li></ul><ul><li>Identify & Load x,y,z files into CAD </li></ul><ul><li>Create ground surface and contours </li></ul><ul><li>Ponds </li></ul><ul><li>Determine Storage volumes & Export to WinPond or SITES </li></ul><ul><li>Design Embankment </li></ul><ul><li>Earthwork volumes </li></ul>
    16. 18. CADD - Embankment Earthfill = 27,711 cu yds Cut = 160 cu yds
    17. 19. CADD/LiDAR Workflow <ul><li>Obtain x,y,z,i files in useable format </li></ul><ul><li>Identify & Load x,y,z files into CAD </li></ul><ul><li>Create ground surface and contours </li></ul><ul><li>Ponds </li></ul><ul><li>Determine Storage volumes & Export to WinPond or SITES </li></ul><ul><li>Design Embankment </li></ul><ul><li>Earthwork volumes </li></ul><ul><li>Waterways </li></ul><ul><li>Proposed grade </li></ul><ul><li>Design shape </li></ul><ul><li>Evaluate fit of planned cross section </li></ul><ul><li>Earthwork if needed </li></ul>
    18. 20. Iowa - Standard LiDAR <ul><li>Collection </li></ul><ul><li>1.4 meter sample density </li></ul><ul><li>Filtering </li></ul><ul><li>Automated removal ~90% of bad points </li></ul><ul><li>Accuracy </li></ul><ul><li>Vertical - </li></ul><ul><li>Bare Earth -18.5 cm (0.6 ft) RMSE </li></ul><ul><li>Vegetation - 37 cm (1.2 ft) RMSE </li></ul>
    19. 21. Comparison to RTK GPS 0.49 0.45 168 Watkins 0.41 -0.37 211 Paint Cr .018 0.03 26 Gouldsburg 0.30 -0.22 41 Westgate 6.52 6.5 2639 Lucas 5.46 4.88 204 Ringgold RMSE Ave Error # of Points Site
    20. 22. LiDAR vs Type of Project <ul><li>Waterways – small DA </li></ul><ul><li>Waterways – large DA, flat grades, GPS controlled construction </li></ul><ul><li>Ponds – storage areas </li></ul><ul><li>Ponds – earthwork quantities </li></ul>
    21. 23. Implementation <ul><li>GPS using RTK Network (DOT - IA or MN) </li></ul><ul><li>GPS using OPUS-RS adjustment </li></ul><ul><ul><li>Control Points </li></ul></ul><ul><ul><li>Ground truthing </li></ul></ul><ul><ul><li>Non-LiDAR points </li></ul></ul><ul><ul><ul><li>Culverts </li></ul></ul></ul><ul><ul><ul><li>Property lines </li></ul></ul></ul>
    22. 24. Implementation What is your plan? Correlation – Calibration - Verification
    23. 25. Web Links <ul><li>Corpscon </li></ul><ul><ul><li>http://crunch.tec.army.mil/software/corpscon/corpscon.html </li></ul></ul><ul><li>ALDPAT 1.0 - Airborne LIDAR Data Processing and Analysis Tools </li></ul><ul><ul><li>http://mitigation.fiu.edu/lidartool.html </li></ul></ul><ul><li>MN GPS network </li></ul><ul><ul><li>http://www.olmweb.dot.state.mn.us/CORS.GPS/cors.html </li></ul></ul><ul><li>IA GPS network </li></ul><ul><ul><li>http://www.iowadot.gov/rtn/index.html </li></ul></ul><ul><li>NRCS Iowa </li></ul><ul><ul><li>Convert EP Pool Data </li></ul></ul><ul><ul><ul><li>http://www.ia.nrcs.usda.gov/Technical/design/program.html </li></ul></ul></ul><ul><ul><li>CAD HowTo’s </li></ul></ul><ul><ul><ul><li>http://www.ia.nrcs.usda.gov/Technical/design/cadd_tools.html </li></ul></ul></ul><ul><li>Iowa NRCS Contacts: </li></ul><ul><ul><li>[email_address] </li></ul></ul><ul><ul><li>[email_address] </li></ul></ul>
    24. 26. The Natural Resources Conservation Service provides leadership in a partnership effort to help people conserve, maintain, and improve our natural resources and environment. An Equal Opportunity Provider and Employer

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