3D model, orthophoto plan, topographic survey, contour lines residential project

• 3D Scanning, Surveying and Orthoimages

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Project details

This case focuses on the 3D methodology for producing accurate geographic data for the documentation that underpins building permit applications.

Data acquisition

This studied area of 2000sqm required a 3D measurement of 45min. To ensure accuracy of 1-4 cm we used 6 RTK GPS points for further post-processing and error assessment.

Results

Image processing was done using specialised 3D software. GPS points determined in the field were used to generate a dense 3D point cloud georeferenced in the national reference system “Stereo 70”.

The following results were provided: a 3D model, georeferenced orthophoto plan, topographic survey with contour lines with 0.5m equidistance.