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January 2021 High-resolution color infrared orthoimagery of Tallahassee and Leon County, Florida. |
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January 2021 High-resolution color infrared orthoimagery of Tallahassee and Leon County, Florida. |
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thumbnail/thumbnail.png |
| typeKeywords:
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["Data","Service","Image Service","ArcGIS Server"] |
| description:
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Our 2021 high-resolution (0.5 ft. per pixel) imagery is available in Natural Color (Red, Green, Blue) and Color Infrared. The aerial imagery was captured by our vendor Dewberry during January 5 - 18, 2021. Prior to delivery, the vendor geometrically corrected (orthorectified) the imagery such that its scale is uniform and any distortions have been corrected. This process allows for an accurate representation of the earth's surface that can be used to measure true distances and extract GIS features. After delivery, TLCGIS staff performed additional quality control and enhancement processes to prepare the imagery for publication. This Color Infrared (CIR) imagery more clearly shows natural features that often do not show up well in RGB imagery. A band of infrared imagery is converted to a visible spectrum so we can see it. CIR imagery is useful to environmental scientists and others who need to identify features such as wetlands. This imagery can also help experts determine the type and the health of vegetation. This imagery is also high-resolution.
Acquisition Information: Dewberry Inc. subcontracted Digital Aerial Solutions (DAS) to acquire approximately 787 square miles of 4-band digital stereo aerial imagery in Leon County, Florida in January 2021 using a LEICA ADS100 aerial mapping camera. DAS performed the aerial triangulation and orthorectification to produce 0.5 foot pixel resolution digital orthophotos. Dewberry collected surveyed ground control points that were used in the aerial triangulation process. The data were formatted according to the Florida Division of Emergency Management (FDEM) tile naming convention with each tile covering an area of 5,000 by 5,000 feet. A total of 876 ortho tiles in GeoTiff format were produced for the project. This dataset is part of a regularly schedule update of lidar and digital orthophotography products.
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The information depicted in this GIS layer is the result of digital analyses performed on a database consisting of information from a variety of governmental and other credible sources. The accuracy of the information presented is limited to the collective accuracy of the database on the date of the analysis. The information is believed accurate and reasonable efforts have been made to ensure the accuracy of the data. However, TLC/GIS expressly disclaims responsibility for damages or liability that may arise from use of this data. This product is the property of Tallahassee/Leon County GIS and its use is thereby restricted. |
| catalogPath:
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| title:
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Imagery_2021_CIR_D_WM |
| type:
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Image Service |
| url:
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http://tlcagsraster3.leonad.gov:6080/arcgis/services/ImageryServices/TLC_Imagery2021_CIR_D_WM/ImageServer |
| tags:
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["Florida"," Tallahassee"," Orthophotography"," Leon County"," USA"," CIR"," color infrared"," dop"," 2021"] |
| culture:
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en-US |
| name:
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TLC_Imagery2021_CIR_D_WM |
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| spatialReference:
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WGS_1984_Web_Mercator_Auxiliary_Sphere |