Roads_Caminos_1994
Metadata also available as
Metadata:
- Identification_Information:
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- Citation:
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- Citation_Information:
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- Originator: SDSU; COLEF
- Publication_Date: 2000
- Title: Roads_Caminos_1994
- Geospatial_Data_Presentation_Form: vector digital data
- Online_Linkage:
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\\Trw\tecate_gis\tecate_backup_katie\tecate_data\Roads_Caminos_1994.shp
- Description:
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- Abstract:
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Primary road network that includes paved and non-paved roads. The Tijuana River Watershed digital roads coverage was created as part of the Tijuana River Watershed GIS database project. The location and type of road is important to understanding the transportation infrastructure within the watershed.
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Sinopsis: Red de caminos primarios que incluye los caminos pavimentados y no pavimentados. La cobertura digital de caminos de la Cuenca del Río Tijuana fue creada como parte del proyecto de la base de datos de GIS de la Cuenca del Río Tijuana. La localización y el tipo de camino es importantes para entender la infraestructura de transporte dentro de la cuenca.
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Sinopsis: La cobertura digitalizada de "corrientes" fue generada digitalizando mapas topográficos del USGS y del INEGI por la Universidad Estatal de San Diego (SDSU).
- Purpose:
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The Tijuana River Watershed GIS Database project provides a fully integrated cross border geographic information system. The location and type of road is important to understanding the transportation infrastructure within the watershed.
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Propósito: El proyecto de la base de datos de GIS de la Cuenca del río Tijuana proporciona un sistema transfronterizo de información geográfica completamente integrado. La localización y el tipo de los caminos es importante para entender la infraestructura de transporte dentro de la cuenca.
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Propósito: Para demostrar que el curso del río ha serpenteado entre 1994 y 2000.
- Time_Period_of_Content:
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- Time_Period_Information:
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- Single_Date/Time:
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- Calendar_Date: unknown
- Currentness_Reference: 1994
- Status:
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- Progress: Complete
- Maintenance_and_Update_Frequency: As needed
- Spatial_Domain:
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- Bounding_Coordinates:
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- West_Bounding_Coordinate: -116.688842
- East_Bounding_Coordinate: -116.561613
- North_Bounding_Coordinate: 32.594956
- South_Bounding_Coordinate: 32.531943
- Keywords:
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- Theme:
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- Theme_Keyword_Thesaurus:
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REQUIRED: Reference to a formally registered thesaurus or a similar authoritative source of theme keywords.
- Theme_Keyword: roads, caminos, highways, carreteras
- Access_Constraints: none
- Use_Constraints:
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While this data have been collected for use in spatial analysis and decision making, and for use in Geographic Information Systems, San Diego State Univeristy, Department of Geography, the Center for Earth Systems Analysis Research, and El Colegio de la Frontera Norte cannot guarantee the accuracy of the data. As with any spatial data, issues of scale, taxonomic classification, resolution, and precision will affect the perceived accuracy of the data. Users are ultimately responsbile for the appropriate application of and use of this data.
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Limitaciones de Uso: Mientras que estos datos se han compilado para su uso en análisis espacial y toma de decisiones, así como para su uso en sistemas de información geográficos, la universidad técnica CalPoly en Pomona y la Universidad Estatal de San Diego no pueden garantizar la exactitud de los datos. Como con cualquier dato espacial, las consideraciones de escala, clasificación taxonómica, resolución y precisión afectan la exactitud percibida de los datos. Los usuarios, en última instancia, son responsables del uso y aplicación apropiados de estos datos.
- Point_of_Contact:
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- Contact_Information:
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- Contact_Person_Primary:
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- Contact_Person: Dave McKinsey
- Contact_Organization: SDSU Geography
- Contact_Position: CESAR Technical Manager
- Contact_Voice_Telephone: 619-594-8402
- Contact_Electronic_Mail_Address: dave@geography.sdsu.edu
- Data_Set_Credit: SDSU Geography, COLEF
- Native_Data_Set_Environment:
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Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.0.0.535
- Cross_Reference:
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- Citation_Information:
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- Originator: SDSU Dept. of Geography
- Publication_Date: 1994
- Title: Tijuana River Watershed Digital Digitized Streams File
- Online_Linkage: <http://130.191.118.3/Facilities/Data/Clearinghouse/trw.html>
- Data_Quality_Information:
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- Attribute_Accuracy:
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- Attribute_Accuracy_Report:
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All attributes created during the data generation phase were verified by comparing both the dataset and the spatial coverage, but no formal tests were performed.
- Logical_Consistency_Report:
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These data are believed to be logically consistent, though no tests were performed. Line geometry is topologically clean.
- Completeness_Report:
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The roads coverage was created from exisiting DIME files and from INEGI maps. The DIME files were generalized to reflect major streets, roads, and highways in the U.S. portion of the watershed. The major roads, streets, and highways on the Mexican side were digitized from the INEGI maps and then edited and updated using 1:50;000 scale aerial photography dated 1994 and SPOT satellite imagery.
- Positional_Accuracy:
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- Horizontal_Positional_Accuracy:
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- Horizontal_Positional_Accuracy_Report:
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The data on the U.S. side of the border were taken from existing DIME files. The data on the Mexican side were digitized from INEGI maps and then edited and updated using 1:50,000 scale aerial photography dated 1994 and SPOT satellite imagery from 1995. The data set as a whole was not statistically tested for horizontal accuracy.
- Vertical_Positional_Accuracy:
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- Vertical_Positional_Accuracy_Report:
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The data on the U.S. side of the border were taken from existing DIME files. The data on the Mexican side were digitized from INEGI maps and then edited and updated using 1:50,000 scale aerial photography dated 1994 and SPOT satellite imagery from 1995. The data set as a whole was not statistically tested for vertical accuracy.
- Lineage:
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- Source_Information:
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- Source_Citation:
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- Citation_Information:
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- Originator: San Diego Association of Governments
- Publication_Date: 1990
- Title: San Diego Association of Governments County Coverage
- Edition: various
- Online_Linkage: <http://www.sandag.cog.ca.us>
- Larger_Work_Citation:
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- Citation_Information:
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- Publication_Date: Unknown
- Source_Scale_Denominator: 24000
- Type_of_Source_Media: electronic bulletin board
- Source_Time_Period_of_Content:
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- Source_Currentness_Reference: publication date
- Source_Citation_Abbreviation: SANDAG roads
- Source_Contribution:
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Vector Data Representing the Roads on the U.S. portion of the watershed.
- Source_Information:
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- Source_Citation:
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- Citation_Information:
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- Originator: Instituto Nacional de Estadistica Geografia e Informatica
- Publication_Date: Unknown
- Title: INEGI 1:50000 Topographic Maps
- Source_Scale_Denominator: 50000
- Type_of_Source_Media: paper
- Source_Time_Period_of_Content:
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- Source_Currentness_Reference: publication date
- Source_Citation_Abbreviation: INEGI
- Source_Contribution:
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Provided base maps for the roads on the Mexican portion of the watershed.
- Source_Information:
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- Source_Citation:
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- Citation_Information:
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- Originator: SPOT Corporation
- Publication_Date: 1995
- Title: Satellite Image of San Diego / Tijuana Region
- Source_Scale_Denominator: 24000
- Source_Citation_Abbreviation: SPOT imagery
- Source_Contribution: Digital reference for heads up digitizing of the roads.
- Process_Step:
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- Process_Description:
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The roads layer were created from existing digital DIME files and from INEGI maps which were updated using a combination of aerial photography and satellite imagery. The data contained in the DIME files were generalized to reflect major streets, roads, and highways in the U.S. portion of the watershed. The major roads of the Mexican portion of the watershed were digitized from 1:50,000 scale INEGI maps and then edited and updated using 1:50,000 scale aerial photography dated 1994 and SPOT satellite imagery from 1995. The road networks only connect in three locations and therefore little edgematching was necessary. SDSU received the roads data for the Mexican portion of the watershed from COLEF in the form of ungenerated ascii files for the geographical data and ascii files for the associated attribute data. The data from COLEF utilized a projection and datum consistent with the U.S. data and therefore no re-projection or transformation was necessary to integrate the data into a single database. The roads were further edited by reclassifying the CLASS item, which orders the roads from interstates to local road, to correctly code each of the roads. Some items were deleted to create a coherent coverage on both sides of the border. Finally the roads coverage were dissolved to minimize the amount of features in the coverage.
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Pasos del Proceso:
Descripción del Proceso: La capa de caminos fue creada a partir de archivos digitales existentes de DIME y de mapas de INEGI que fueron actualizados utilizando una combinación de fotografías aéreas e imágenes de satélites. Los datos contenidos en los archivos DIME fueron generalizados para reflejar calles, caminos y carreteras principales en la parte estadounidense de la cuenca. Las carreteras principales de la parte mexicana de la cuenca fueron digitalizadas a partir de mapas de INEGI de escala 1:50000 y después corregidas y actualizadas utilizando fotografías aéreas de escala de 1:50000 tomadas en 1994 e imágenes SPOT de satélite de 1995. Las redes de camino se conectan solamente en tres puntos y por lo tanto fue necesario emparejar ligeramente las orillas. SDSU recibió los datos de caminos para la parte mexicana de la cuenca del COLEF como archivos ASCII no generados para los datos geográficos y archivos ASCII para los datos de atributos asociados. Los datos de COLEF utilizaron una proyección y datos consistentes con los datos de EE. UU. y por lo tanto no fue necesario hacer ninguna reproyección o transformación para integrar los datos en una sola base de datos. Los caminos fueron corregidos más a fondo reclasificando la CLASE, permitiendo clasificar los caminos en interestatales y caminos locales y codificando apropiadamente cada uno de los caminos. Algunos conceptos fueron suprimidos para crear una cobertura coherente en ambos lados de la frontera. Finalmente la cobertura de los caminos fue disuelta para reducir al mínimo la cantidad de características en la cobertura.
- Process_Step:
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- Process_Description: Metadata imported.
- Source_Used_Citation_Abbreviation: C:\DOCUME~1\kcomer\LOCALS~1\Temp\xml3E91.tmp
- Process_Step:
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- Process_Description: Metadata imported.
- Source_Used_Citation_Abbreviation: C:\DOCUME~1\kcomer\LOCALS~1\Temp\xml138.tmp
- Process_Step:
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- Process_Description: Metadata imported.
- Source_Used_Citation_Abbreviation: C:\DOCUME~1\kcomer\LOCALS~1\Temp\xml13B.tmp
- Process_Step:
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- Process_Description: Metadata imported.
- Source_Used_Citation_Abbreviation: C:\DOCUME~1\kcomer\LOCALS~1\Temp\xml141.tmp
- Spatial_Data_Organization_Information:
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- Direct_Spatial_Reference_Method: Vector
- Point_and_Vector_Object_Information:
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- SDTS_Terms_Description:
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- SDTS_Point_and_Vector_Object_Type: String
- Point_and_Vector_Object_Count: 257
- Spatial_Reference_Information:
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- Horizontal_Coordinate_System_Definition:
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- Planar:
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- Grid_Coordinate_System:
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- Grid_Coordinate_System_Name: Universal Transverse Mercator
- Universal_Transverse_Mercator:
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- UTM_Zone_Number: 11
- Transverse_Mercator:
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- Scale_Factor_at_Central_Meridian: 0.999600
- Longitude_of_Central_Meridian: -117.000000
- Latitude_of_Projection_Origin: 0.000000
- False_Easting: 500000.000000
- False_Northing: 0.000000
- Planar_Coordinate_Information:
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- Planar_Coordinate_Encoding_Method: coordinate pair
- Coordinate_Representation:
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- Abscissa_Resolution: 0.000032
- Ordinate_Resolution: 0.000032
- Planar_Distance_Units: meters
- Geodetic_Model:
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- Horizontal_Datum_Name: North American Datum of 1983
- Ellipsoid_Name: Geodetic Reference System 80
- Semi-major_Axis: 6378137.000000
- Denominator_of_Flattening_Ratio: 298.257222
- Entity_and_Attribute_Information:
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- Detailed_Description:
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- Entity_Type:
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- Entity_Type_Label: Roads_Caminos_1994
- Attribute:
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- Attribute_Label: FID
- Attribute_Definition: Internal feature number.
- Attribute_Definition_Source: ESRI
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- Unrepresentable_Domain:
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Sequential unique whole numbers that are automatically generated.
- Attribute:
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- Attribute_Label: Shape
- Attribute_Definition: Feature geometry.
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- Unrepresentable_Domain: Coordinates defining the features.
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- Attribute_Label: FNODE_
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- Attribute_Label: TNODE_
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- Attribute_Label: LPOLY_
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- Attribute_Label: RPOLY_
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- Attribute_Label: LENGTH
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- Attribute_Label: ROADS_CLIP
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Sequential unique whole numbers that are automatically generated.
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Sequential unique whole numbers that are automatically generated.
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- Resource_Description: Downloadable Data
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- Digital_Transfer_Information:
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- Transfer_Size: 0.000
- Metadata_Reference_Information:
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- Metadata_Date: 20050325
- Metadata_Contact:
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- Contact_Information:
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- Contact_Organization_Primary:
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- Contact_Organization: IRSC-SDSU
- Contact_Person: Katherine Comer
- Contact_Position: Research Coodinator
- Contact_Address:
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- Address_Type:
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REQUIRED: The mailing and/or physical address for the organization or individual.
- City: REQUIRED: The city of the address.
- State_or_Province: REQUIRED: The state or province of the address.
- Postal_Code: REQUIRED: The ZIP or other postal code of the address.
- Contact_Voice_Telephone: 619-594-5423
- Contact_Electronic_Mail_Address: kcomer@projects.sdsu.edu
- Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
- Metadata_Standard_Version: FGDC-STD-001-1998
- Metadata_Time_Convention: local time
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Generated by mp version 2.8.6 on Fri Mar 25 16:58:59 2005