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Data Description Document
www.rmsi.comAn ISO27001 & ISO9001 Certified Company
Project Digital map data of 26 cities of Peru
Project Code 300-73-884-1-4901
Client Viet Vuong Telecom
Contact RMSI Telecom Team At: Technical Support: [email protected]
Business Enquiry : [email protected]/+91-120-2511102
Topographic Details:
City Arequipa (Peru)
Data Format & Resolution
Output Data Resolution 5 MetersOutput Data Format Atoll, Asset, MapinfoVintage of Satellite images 2011Resolution of Satellite image Used
5 Meters
Production Date July 2011
Projection System
Projection Universal Transverse MercatorUnits MetersZone 19Datum WGS84Hemisphere SouthernCentral meridian 69o West
Extents of the Data
Grid Meters GeographicXMIN 221550 71°36'29.73"WYMIN 8174850 16°29'30.90"SXMAX 237130 71°27'36.24"WYMAX 8195580 16°18'23.25"S
Data Description Document Page 2 of 7 11-April-2023
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Vector Classification
ID Class1 Highways2 Main Roads3 Streets4 Other Roads5 Railways6 Airstrip7 Water8 Coastline9 Boundary
Clutter Classification
Class Class Definition
0 Unclassified Edge of the database
1
Skyscrapers/ High-rise
Tall isolated buildings with 40 meters or more height.
2
Dense Urban Areas within urban perimeters, Inner city, very little/negligible vegetation. Closely packed buildings indicative of high density with only major streets and roads being visible. Absence of large open spaces.
Data Description Document Page 3 of 7 11-April-2023
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3 Medium Urban Medium density of buildings, vegetations are less but higher than the dense urban, major pedestrian zones being partially visible and streets and roads visible. Comparatively more open spaces exist within this region
4 Low Urban Low density of buildings with some vegetation. Generally outskirts of any city or sparse built up inside city with open area in between.
5 Residential Areas surrounding big cities with moderately built-up; with some vegetation and network of roads are clearly visible. The areas are basically well mixture of vegetation and built-ups
6 Industrial Industrial: Factory, Garage, Shipyards, Mostly situated outside the main city.
Commercial: Central Mall, Office Complexes with large building footprints, Commercial buildings.
Data Description Document Page 4 of 7 11-April-2023
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7 Forest All kinds of dense forest (70-85% dense trees in unit area) in rural areas, over hills/ mountains, Natural Parks with high tree density.
8 Agriculture Cultivated areas, Croplands, farmlands etc.
9 Low tree Low density of trees, Low vegetation, thin density of forest, bushes, scrubs with low tree density.
10 Water This class will consist of confined water bodies (smaller scale), lakes, and dams.
11
Open_area No buildings, no vegetation e.g. desert, beach, major roads in urban area and open lands
12 Quasi open Areas with some obstruction like scattered trees or bushes with some mixed built-up etc. Characteristic land cover features: natural grasses occurring around airports.
Data Description Document Page 5 of 7 11-April-2023
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13 River Dynamic (flowing) water bodies.
Only rivers containing water in the satellite imagery will be captured.
14 Sea Sea, Ocean, water beyond coastline away from land.
15 Airport Airstrip / runway
Data Organisation :
The data is organised as follows:
Folder Hierarchy Files Containedarequipa\ ddd_arequipa.doc and 3 subfolderarequipa\atoll 3 sub foldersarequipa\atoll\clutter\ 1 bil file.arequipa\atoll\heights\ 1 bil file.arequipa\atoll\vector\ 7 mid/mif filesarequipa\asset 3 sub foldersarequipa\asset\clutter\ 1 binary file, index.txt and menu.txt file.arequipa\asset\heights\ 1 binary file, index.txt and projection.txt file.arequipa\asset\vector\ 7 tab filesarequipa\mapinfo 3 sub foldersarequipa\mapinfo\clutter\ 1 grc file.arequipa\mapinfo\heights\ 1 grd file.arequipa\mapinfo\vector\ 7 tab files
Data Description Document Page 6 of 7 11-April-2023
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File Description
Files Descriptionddd_ arequipa.doc Provides information about data shippedBinary Files These are as per asset format. Contains respective
feature data
Index.txtRespective feature extents defined in UTM projection
Menu.txt Provides class names mapping to numeric Ids
Data Description Document Page 7 of 7 11-April-2023
Visit us at http://www.rmsi.com/telecom