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opentopoID: OTLAS.022011.2994.1

Collection Overview: DOGAMI has been supervising and coordinating the collection of large swaths of high resolution, high accuracy lidar data in Oregon and adjacent states since 2006. Following a successful 2500 mi² consortium effort in the Portland urban area, the Oregon legislature designated DOGAMI as the lead agency for lidar acquisition in Oregon. DOGAMI used a nationwide selection process that resulted in a state price agreement (OPA 8865) with Watershed Sciences Inc. of Corvallis, Oregon. The price agreement specifies data collection (8 pulse/m², Z_error < 12cm RMSE) and product standards (LAS points, 3ft or 1m bare earth and highest hit DEMs, 1.5ft intensity images, metadata) with a pre-determined unit cost to DOGAMI based on the size of the project area. Since developing OPA 8865 in April 2008, DOGAMI has ordered 13 large lidar flights, totaling 17,500 mi², has taken final delivery of 16,000 mi² of data. Funding for these projects has come from consortia organized by DOGAMI that include several dozen Federal, State and local government agencies, non-profits and public utilities. The data quality for all projects that DOGAMI has completed under OPA 8865 has been consistently excellent, substantially exceeding the minimum specifications. All DOGAMI lidar data is in the public domain, please reference DOGAMI as the data source.

All DOGAMI lidar program data are systematically evaluated for:
Completeness and useability by loading all files; swath to swath consistency by using TerraMatch to compare elevations of millions of coincident points from adjacent swaths, all values to date < 5cm; absolute vertical accuracy by comparing delivered DEMs to an large independent set of RTK GPS control points collected by DOGAMI, all values to date < 7cm RMSE; grid artifacts by visual examination of hillshade and slopeshade images of all bare earth and highest hit DEMs.

Dataset Acknowledgement: DOGAMI (2011): Oregon Department of Geology and Mineral Industries Lidar Program airborne lidar survey. Oregon Department of Geology and Mineral Industries (DOGAMI). Distributed by OpenTopography.

Dataset Citation: Oregon Department of Geology and Mineral Industries Lidar Program Data. Distributed by OpenTopography. https://doi.org/10.5069/G9QC01D1 . Accessed: 2024-12-21       Copied to Clipboard

Use License: Not Provided

Dataset Keywords: Oregon, Portland, South Coast, Deschutes, Bend, Willamette Valley, Eugene, Mount Hood, lidar

Survey Date: 03/15/2007 - 09/03/2010

Publication Date: 02/01/2011

Data Provider and Roles:
Funder

• Oregon Lidar Consortium

Partner

• Oregon Department of Geology and Mineral Industries

Collector

• Watershed Sciences, Inc

Total number of points: 284,688,111,603 pts

Area: 26,009.7 km²

Point Density: 10.30 pts/m²

Classifications:

Class 0 - Never classified	2,344
Class 1 - Unclassified	255,345,335,632
Class 2 - Ground	35,291,539,826
Class 4 - Medium Vegetation	143,656
Class 6 - Building	46
Class 7 - Low Point (low noise)	29,152
Class 8 - Model Key/Reserved	739
Class 9 - Water	137,226,438

Coordinate System:
Horizontal: NAD83 (CORS96) / Oregon Lambert, Intl Feet [EPSG: 2992]
Vertical: NAVD88

Units: feet

Survey Report: Reports

LAS Validation Data Report: DOGAMI.html

Tile index in shapefile format: Download

Dataset Extent in GeoJSON format:   DOGAMI.geojson

Dataset Spatial Bounds: North: 46.23961611900009°     South: 41.996403335°     East: -116.892635717°     West: -124.568640585°