Childers 2017 Orthophotography with 6-Centimeter Resolution

Childers, Australia imagery captured on 2017 - 05 - 15 by the Bundaberg Regional Council. The dataset consists of orthorectified RGB aerial photography with a spatial resolution of 6 centimeters, processed using a VisionMap A3 - Edge sensor flown at 2440 meters. Orthophoto tiles are provided in 1km x 1km GeoTIFF format.

Use Cases

• Analyze land cover changes using the 6 cm resolution RGB imagery as a base layer for 2017.
• Create high - resolution base maps for urban planning by mosaicking the 1km x 1km GeoTIFF tiles.
• Assess spatial accuracy for ground - level features against the stated +/- 3 - pixel accuracy specification.
• Integrate orthophotos with other spatial data in Web Mercator Auxiliary Sphere projection for GIS analysis.

Strengths

• High spatial resolution of 6 centimeters per pixel.
• Imagery was orthorectified using a DTM and high - end commercial photogrammetric software.
• Capture methodology specified includes 55% forward and 60% side overlap for photogrammetric processing.

Limitations

• Spatial accuracy is reduced for elevated structures like rooftops and tree canopies due to relief displacement.
• Accuracy is further reduced in areas of dense vegetation, limiting reliable measurement.
• Data is from a single acquisition date in 2017 and may not reflect current conditions.

Provenance

Source

Bundaberg Regional Council Open Data, author brc_gis.

Collection Method

Aerial capture via VisionMap A3 - Edge sensor, processed with Aerometrex proprietary and commercial photogrammetric software.

Time Range

2017 - 05 - 15.

Freshness

null

Geography

Childers, Australia.