Kings Park, perched above Perth City, Australia is one of the largest inner-city parks in the world. At just over 4km2 the botanical gardens house over 2,000 of Western Australia’s local plant species including unique wildflowers. The Kings Park Botanic Gardens and Parks Authority are internationally recognised for their scientific research, leading horticulture, conservation and public education.
From an article by RIEGL Australia.
Access through the park is provided by several roads and as part of the planned upgrades and resurfacing of the 10km network a detailed survey of the roads was required for detailed design planning purposes. It was quickly recognised that Mobile Laser Scanning would be the most efficient methodology to deliver the exacting tolerances required to Main Roads Western Australia standards.
MNG proposed to use their new Riegl VMX-2HA MLS system on the project coupled with the Flir Ladybug 5+ 360° spherical camera for imagery to conduct the survey. Multiple passes along the roadways with concurrent GNSS base station recordings, were validated with checks at intervals not exceeding 400m.
In discussions with the client MNG also advised that their Riegl VQ-480 II Aerial Laser Scanning system was available in Perth and could be used to complement the detailed survey across the park. Flight lines were planned with parallel and orthogonal flight paths achieving over 80pts /m2. Riegl’s Waveform-LiDAR technology enables high speed, high accuracy measurements making it ideal for multi-target situations through vegetation.
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