Many companies and non profit agencies take aerial pictures of the earth's surface that are used for a variety of purposes. Maps and pictures are created of the ground surface of the state. An aerial mapping company can do mapping through a variety of scientific techniques, including producing a Geographic Information System (GIS), topographic mapping, orthophotography, and aerial volume studies.
Many engineering firms and real estate developers use these services. Planners and civil engineers produce proposals and environmental impact reports. The scale of these surveys ranges from resolution of small individual property boundaries to resurveying subdivisions and townships.
The GIS, used by many non profit and government agencies, is a topographic map that shows important sites in the community such as fire stations, schools, hospitals, and infrastructure lines such as telephone and electrical. Thus an emergency worker in a city can bring up these locations on a computer screen in times of disaster when regular utility services are not functioning.
Non profit organizations such as the California Coastal Records Project, which produces aerial photographic surveys of the California Coastline, also make use of aerial mapping companies in California. Other non-profits using aerial surveys include Cal State Northridge, California Aerial and Acoustic Sardine Survey, and Whittier College.
Topographic and hydrographic mapping also depends on aerial surveys. The US Forest Service (USFS)and the US Geographical Survey (USGS) use these photos to create topographic and hydrographic maps, which add overlays to the photos to provide elevations for maps of Forest Service and Wilderness lands. The USGS and NASA have jointly managed managed the Land Remote Sensing Satellite system since the early 1970's. These data are also used by Aerial Mapping Company California.
A problem with aerial photography is that the pictures will show the curvature of the earth, which becomes a distortion when placed on a flat map. In Orthophotography, computer assisted adjustments are made so that distances on the map can be measured to scale with correct distances. The curve of the earth is eliminated in spite of the distance from which the picture is taken.
You can see that sources for mapping data are very broad. Companies are based throughout the state of California. They provide a variety of services, from surveying and mapping for engineering projects to scenic photographs including hot air balloon rides and even weddings pictured from the air.
There is a strong overlap of networks in this field ranging from University programs to NASA and other government agencies such as USGS. Private companies know how to access the important elements of these networks. Many companies have been in business for years going back to the 1940's in some cases. The consumer will be well rewarded by researching and comparing the various companies' demonstrated expertise.
Many engineering firms and real estate developers use these services. Planners and civil engineers produce proposals and environmental impact reports. The scale of these surveys ranges from resolution of small individual property boundaries to resurveying subdivisions and townships.
The GIS, used by many non profit and government agencies, is a topographic map that shows important sites in the community such as fire stations, schools, hospitals, and infrastructure lines such as telephone and electrical. Thus an emergency worker in a city can bring up these locations on a computer screen in times of disaster when regular utility services are not functioning.
Non profit organizations such as the California Coastal Records Project, which produces aerial photographic surveys of the California Coastline, also make use of aerial mapping companies in California. Other non-profits using aerial surveys include Cal State Northridge, California Aerial and Acoustic Sardine Survey, and Whittier College.
Topographic and hydrographic mapping also depends on aerial surveys. The US Forest Service (USFS)and the US Geographical Survey (USGS) use these photos to create topographic and hydrographic maps, which add overlays to the photos to provide elevations for maps of Forest Service and Wilderness lands. The USGS and NASA have jointly managed managed the Land Remote Sensing Satellite system since the early 1970's. These data are also used by Aerial Mapping Company California.
A problem with aerial photography is that the pictures will show the curvature of the earth, which becomes a distortion when placed on a flat map. In Orthophotography, computer assisted adjustments are made so that distances on the map can be measured to scale with correct distances. The curve of the earth is eliminated in spite of the distance from which the picture is taken.
You can see that sources for mapping data are very broad. Companies are based throughout the state of California. They provide a variety of services, from surveying and mapping for engineering projects to scenic photographs including hot air balloon rides and even weddings pictured from the air.
There is a strong overlap of networks in this field ranging from University programs to NASA and other government agencies such as USGS. Private companies know how to access the important elements of these networks. Many companies have been in business for years going back to the 1940's in some cases. The consumer will be well rewarded by researching and comparing the various companies' demonstrated expertise.
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