Aerial Survey
Efforts are made to meet the demands and requirements of large enterprises, but private clients are also supported in their projects, with all the help and assistance they require. nbcon.est is pleased to be able to assist and give quality solutions to all of the following industries:
Oil and Gas
Drone service for oil and gas: Increase site security, create 3D asset plans for inspection and analysis, and do aerial surveys on site and on assets such as pipelines, tanks, boats, and platforms. Keep track of your progress and create DTM, DSM, and DEM maps.
Powerline
Reduce maintenance time and apply sophisticated algorithms to detect dangers on the power line network: Danger detection, line vectorization, site inspection, site modeling, and inspection risk reduction
Mining
Mining and quarrying sectors might benefit from 3D mapping services. Providing real-time volume measurements for stockpile inventory and the surface, as well as a safe survey, 3D site modeling, risk analysis, aerial surveying of the region, progress tracking, and more.
Forestry
For forestry management, a smart UAV mapping service provides precise data for vegetation analysis, carbon stocktaking, forest inventory and activity monitoring, tree counts, and disaster estimation. ​
Civil Engineering
Since the introduction of drone surveying services, designing cities has never been easier: DTM, DSM, orthomosaic, 3D model, elevation map, contour lines, and so on. Follow the progress of construction projects, transit planning, and flood risk assessments.
Archeology
Our technologies will help you get the most out of your archaeological site by modeling sites and monuments, searching for remains, and piercing vegetation with lasers.
What is aerial surveying ?
Aerial survey is a means of gathering geomatics or other imagery using planes, helicopters, unmanned airborne vehicles (UAVs), balloons, or other aerial approaches. Photogrammetric technology and methodologies give measurements on aerial photographs. Aerial surveys can reveal a lot of information that isn't apparent from the ground.
Where aerial survey is used?
Aerial surveying is the technique of acquiring images of a surface from a high altitude. Nowadays, manned and unmanned aerial aircraft (UAVs) are commonly used to photograph the surface. The true situation on the ground is depicted by high spatial resolution and image quality.
How accurate is aerial photogrammetry?
Broadly speaking, surface levels on clear ground can be measured from aerial photo- graphs to an accuracy of between 1/5,000th and 1/8,000th of the height from which they were taken.
This is because A photogrammetric survey's relative accuracy can be predicted to be between one and three times the ground sampling distance (GSD)*. The GSD is the distance between two pixels as measured from the center of each pixel on the ground.
What are the common types?
The most common types of aerial survey: Aerial Laser Profiling - Aerial Laser Profiling employs short-duration laser pulses that are emitted toward the ground, reflected, and received by an airborne vehicle's receiver.
Outputs Delivery
Orthophoto Mosaic:
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Plans in two dimensions with GPS georeferencing. The drone photographs are stitched together and corrected to produce highly accurate X and Y maps. Because they are calibrated to follow topography standards and are exact to the closest centimeter, these plans can be used for measurement (distances, areas, etc.) and planning.
Common File Formats: geoTIFF (.tiff), .jpg, .png, Google tiles (.kml, .html)
3D Model
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3D models are realistic representations of the mapped world that seem comparable to point clouds. These files are substantially lighter and may be imported into 3D design applications such as Sketchup. Buildings and cities are frequently virtualized using 3D models. Unless you attach them to a coordinate system and your software allows it, 3D models usually don't have GPS references. These files are mostly used to create light environment representations and can be used in website viewers.
Common File Formats: .ply, .fbx, .dxf, .obj, .pdf
Point Cloud
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Depending on the type of file you used, the digital surface models (DSM) can be 2D or 3D: 2D for Geotiffs and 3D for.laz,.las cloud points, and so on... DSMs do not contain RGB data, but they are geo-tagged and contain the X, Y, and Z values. The DSM depicts the entire terrain, including all of the components such as vegetation, buildings, and so on. The height and altitude data are mostly utilised by the DSM. They're usually displayed on a color scale that goes from blue to red, with blue being the lowest value and red representing the greatest.
Common File Formats: GeoTiff (.tif), .xyz, .las, .laz
.png)
Digital Terrain Model - DTM
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The only difference between digital terrain models and DSMs is that they just contain the bare landscape height / altitude values. Trees, buildings, and any other non-ground surface elements are removed, leaving only the raw ground data. These files are highly important for planning building construction, calculating cut and fill, and so on.
Common File Formats: GeoTiff (.tif), .xyz, .las, .laz
Contours Lines
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Thanks to vectorized lines spread at regular intervals, the contour lines are 3D representations of the surroundings. Each row comprises GPS data, which can be created as needed from DSM or DTM files. These files can be opened in a variety of GIS / BIM tools, including Autocad, Bentley, and others...
Common File Formats: .dwg, .shp, .dxf, .pdf
.png)
Index map
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The only difference between digital terrain models and DSMs is that they just contain the bare landscape height / altitude values. Trees, buildings, and any other non-ground surface elements are removed, leaving only the raw ground data. These files are highly important for planning building construction, calculating cut and fill, and so on.
Common File Formats: GeoTiff (.tif), .shp
.png)