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The Cessna aircraft supports various analog and digital sensors for a varity of service based mapping products and solutions.
The Wild RC8 camera is a time-tested and proven aerial survey camera for normal and wide-angle photography. It is a precision aerial survey camera for trouble-free photo collection with features including:
The Wild RC8 has been, and currently is being used successfully on thousands of aerial missions throughout the world and has complete operational reliability even under extreme climatic conditions.
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Its high-frame rate increases redundancy, which gives it greater success in automated procedures and stronger aerial triangulation solutions. Its small sweet spot makes it ideal for true orthophoto imagery. The digital camera offers six hours of uninterrupted data collection at more than one frame per second, as well as in-flight quality control and online exposure control.
Captured imagery is ready-to-use directly from the camera and immediately available for processing in an all-digital production process, which translates into faster delivery. In addition, while scanned film results in grain noise and a lack of redundancy, which limits automated processing, the UltraCamD’s high repeat rate increases redundancy at no additional cost. (At 70 percent forward overlap, each ground point is imaged at least three times versus two times with a traditional 60 percent forward overlap. At 80 percent, this increases to five images per ground point; at 95 percent that number jumps to 20.) Additional photos support the computations for fully automated block adjustment, DEM generation, building extraction, road following and much more.
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The state-of-the-art Optech ALTM 2050 is a compact laser instrument that is mounted onto an airborne platform, and flown over the survey area. The camera fires laser beam downwards to measure distance from the airplane to the ground. The LIDAR sensor is a fast and effective tool to gather digital elevation model (DEM) data and to create 3-D digital topographic maps. With typical fixed-wing aircraft speeds of 70 m/s and 1-km flight altitude, data can be collected at a rate of 3 km2/min and a 15 cm resolution, and produce two-foot contour mapping. As the laser is an active sensor, data collection can be conducted at night and during inclement weather. It can also penetrate forest canopy, making it possible for you to produce bare earth Digital Elevation Models of the forested land. All these qualities make the ALTM ideal for applications such as:
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