Contour creation DTMDSM generation Ortho photo rectification Floodplain determination Secondary Uses Building h eight estimates Height returned via IMS on point and parcel Assignment of elevation to sewer manholes ID: 659757
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Slide1
AIMS use of LidarSlide2
Primary uses
Contour creation
DTM/DSM generation
Ortho photo rectification
Floodplain determinationSlide3
Secondary Uses
Building
height estimates
Height returned via IMS on point and parcelAssignment of elevation to sewer manholesSlide4
Unusual uses
Historic trail identification
citizen was able to determine the elevations in an area and suggest alternative higher
locations for a proposed cell towerStormwater
trace
“Change detection” difference
Vegetation/Tree Canopy identification Slide5
Veg Replacement Options
Heads up digitizing/updating of existing
Use of feature analystInfrared – usually leaf offUse of
Lidar analystUse of classification
Use of height differences
Use of return number
Use of
LAStoolsSlide6
Preview of veg
LAS To Multipoint
Aggregate Points to PolygonsCleanup – dissolving, simplifying, removing spikes, smoothing, etc.QCSlide7Slide8Slide9Slide10Slide11
Tools to be aware of
http://www.Lastools.orgSlide12
Tools to be aware of
http://resources.arcgis.com/en/communities/3d/Slide13
Other ideas
Classify
bldg and veg points in LASSolar potential utilizes aspectLine of sight analysis
Terrestrial Lidar – purchased by Crime Lab?
Mobile
Lidar
– useful for street inventories