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Aerial Survey Flight for Mexico City Cadaster

01-07-2009 09:00 PM CET | Business, Economy, Finances, Banking & Insurance

Press release from: GeoAir Internacional

Cadaster Mexcio Aerial Survey Photography Ultracam IMU

Cadaster Mexcio Aerial Survey Photography Ultracam IMU

In only four weeks time GeoAir managed to fly the whole Mexico City Cadaster project. It is the first digital camera flight of such dimensions in Latin America.
The flight was executed with a Microsoft/Vexcel large format UltraCam digital aerial camera using IMU and airborne DGPS. A total of more than 9,000 images were taken also on Christmas Day. The postprocess of all images was done in the offices of GeoAir. All raw data were processed to level 3, 8 bit and RGB/Infrared 16 bit. A total of more than 12 terabyte of digital imaging data was processed.

Mexico City is the busiest airport in whole Latin America. Therefore the coordination with air traffic control was essential especially crossing all approach and departure routes at some 4,000 ft AGL.

GeoAir logró en solo 4 semanas volar todo el catastro de México DF. El vuelo de medición se realizó con una cámara digital de formato grande del tipo Microsoft/Vexcel UltraCam, incluyendo el uso de una IMU y AGPS. La resolución fue 9 cm GSD en la mayor parte y 16 cm GSD en la parte sur hacia la sierra. En total se tomaron más de 9,000 imágenes de alta calidad.

GeoAir también hizo el postproceso de todos los datos digitales desde los datos crudos hasta nivel 3 con 16 bit rgb / infrarrojo color. Un total de más de 12 Terabytes fueron tomados y postprocesados.

El aeropuerto de la Ciudad de México es el más frecuentado en toda Latinoamérica. La coordinación con el control del tráfico aéreo fue primordial sobre todo porque se tuvo que cruzar todas las aproximaciones y salidas en solo 4,000 piés sobre el terreno.

In nur 4 Wochen gelang es GeoAir Internacional den Bildflug für das Kataster in Mexico City fertigzustellen. Der Messflug wurde mit einer digitalen Microsoft/Vexcel Luftbild Kamera UltraCam durchgeführt, einschließlich IMU und DGPS zur Bestimmung der Orientierungs- Parameter der Aufnahmen.

Die GSD war 9 cm im Stadtbereich und 16 cm im südlichen Agglomerationsbereich.
Insgesamt wurden mehr als 9,000 digitale Bilder aufgenommen. Der Postprozess der digitalen Bilddaten wurde auch bei GeoAir durchgeführt und zwar zum einen 8 bit RGB und zum anderen 16 bit RGB / Infrarot. Insgesamt wurden 12 Terabyte erfaßt und prozessiert.

Mexico City hat in ganz Lateinamerika die größte Verkehrsdichte und deshalb war die Koordination mit den Fluglotsen besonders wichtig. Zumal die Flugstreifen in 4,000 ft über Grund sämtliche Anflug- und Abflugsektoren kreuzten.

Although the foundation of GeoAir S.A. de C.V. took only place in 1995 we have been flying successfully thousands of square kilometers in 30 countries with all different kinds of films. Among other companies we have been flying for such renowned companies like Hansa Luftbild of Germany, Swissphoto of Switzerland, Orthoshop, GeoMapa, Cartodata, SAP and Horizons in Mexico, ISTAR of France, GeoSurv, Eaglemapping and DTM of Canada, Geocart, Stereocarto and Azimut in Spain, the United Nations and many other institutions and ministries.

GeoAir Internacional S.A. de C.V.
Avenida Alfanjes 1
Izcalli Acatitlán
Tlalnepantla
Estado de México
C.P. 54140 / MÈXICO

Tel: +52-777-361-3875
Email: info @geoair.net
Email: info @geoair-internacional.com
homepage: www.geoair-internacional.com

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