Orthophoto Index, Comprehensive View - All Years

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Published by the Ministry of Forests, Lands, Natural Resource Operations and Rural Development - GeoBC
Licensed under Access Only

A BCGS map grid cataloguing all images in the Provincial orthophoto collection currently available to BC Public Service GIS users, indexed to their locations within the Digital Imagery Services online library.

Data and Resources

Dataset Extent

Latitude: 48.0° to 60.0°
Longitude: -139.5° to -113.5°

Additional Information

Purpose

To assist BC Public Service GIS users to locate and view metadata for available orthophoto imagery by selecting from a standard BCGS map grid.

Data Quality
Lineage Statement

Contact Information

NameAngus Christian (pointOfContact)
EmailAngus.Christian@gov.bc.ca
OrganizationMinistry of Forests, Lands, Natural Resource Operations and Rural Development
Sub-OrganizationGeoBC

Access & Security

Who can view this dataset? Government
Who can download this dataset?Government

Metadata Information

Record Published 2014-12-11
Record Last Modified 2017-04-12
Resource Status onGoing

Object Description

Object Name: WHSE_REFERENCE.APS_ALL_ORTHO_YEAR_INDX_SP

Short Name: ORTHO_INDX
Comments: ALL ORTHO YEAR INDX SP contains a map index that identifies the orthophotos by year available for each area. The layer will have one polygon for each year that there is an orthophoto available. This layer includes a hyperlink to the file location and is available only to BC Government users.

Column Name Short Name Data Type Data Precision Comments
ALL_ORTHO_YEAR_INDX_ID PHOTO_ID NUMBER 18 ALL ORTHO YEAR INDX ID is the system generated unique identifier for the photo. E.g., 172714
DISK_SHARE DSKSHR VARCHAR2 128 DISK SHARE contains the Universal Naming Convention location of the Orthophoto. E.g., \\slkbmg\imagery This to be excluded in SVW.
FILE_PATH PATH VARCHAR2 254 FILE PATH is the disk storage location of the image file. E.g., airborne\orth_tiles\2006\barkbeetle\bcalbers\82m\ This to be excluded in SVW.
FILE_NAME FILENAME VARCHAR2 254 FILE NAME is the unique identifier for the image file in the FILE PATH. E.g., bc_082m003_xc500mm_bcalb_2006_enh.sid
GEOEXTENT GEOEXTENT VARCHAR2 64 GEOEXTENT indicates the mapsheet name that is covered by the ortho photo. E.g., 082m003
OWNER OWNER VARCHAR2 64 OWNER indicates the name of the organization that owns the Orthophoto. E.g., Province of BC
YEAR YEAR VARCHAR2 16 YEAR indicates the calendar year during which the Orthophoto was captured. E.g., 2006
PROJECTION PRJCTN VARCHAR2 32 PROJECTION indicates the native image projection. E.g., BC Albers
RESOLUTION RESOLN VARCHAR2 32 RESOLUTION indicates the native image resolution in meters per pixels. E.g., 0.5 metre
COLOUR COLOUR VARCHAR2 128 COLOUR indicates the colours and enhancements applied to the orthophotos. E.g., "COLOUR - BEETLE KILL ENHANCED" indicates that the photo is available in colour has had a specific set of filters applied to it.
MAP_GRID MAP_GRID VARCHAR2 64 MAP GRID indicates the map grid that the photo covers. E.g., a value of "1:20 000" indicates that the photo covers a BCGS map sheet.
VIEW_RESTRICTION RSTRCTD VARCHAR2 64 VIEW RESTRICTION indicates the audience that is allowed to view the file. In cases where this field is set to "Internal use only", the Orthophoto may not be available for purchase from the Base Map Online Store.
ENHANCED_IND ENHNCED NUMBER 1 ENHANCED IND (INDICATOR) contains a value of "0" or "1" for orthophotos that have had a mathematical calculation applied to the pixels to improve the contrast of the photograph. E.g., 0 (Not enhanced) or 1 (Enhanced)
FOREST_DISTRICT FOR_DIST VARCHAR2 32 FOREST DISTRICT contains official 3 letter acronym for the BC Forest Distrct covered in the Orthophoto. For example, a value of "DOS" indicates that the photo is within the bounds of the Okanagan Shuswap Forest District.
MUNICIPALITY MUNICPLT VARCHAR2 254 MUNICIPALITY contains the name of the municipality covered by the orthophoto.
ORTHO_URL ORTHO_URL VARCHAR2 254 ORTHO URL contains the disk path and file name to the image. E.g., o:\airborne\orth_tiles\2006\barkbeetle\bcalbers\82m\ bc_082m003_xc500mm_bcalb_2006_enh.sid
FEATURE_CODE FTRCD VARCHAR2 10 FEATURE CODE contains a value based on the Canadian Council of Surveys and Mapping's (CCSM) system for classification of geographic features
GEOMETRY GEOMETRY SDO_GEOMETRY 1 GEOMETRY is the column used to reference the spatial coordinates defining the feature.
OBJECTID OBJECTID NUMBER 38 OBJECTID is a required attribute of feature classes and object classes in a geodatabase.
SE_ANNO_CAD_DATA BLOB 4000 SE_ANNO_CAD_DATA is a binary column used by spatial tools to store annotation, curve features and CAD data when using the SDO_GEOMETRY storage data type.
FEATURE_AREA_SQM NUMBER 19 FEATURE_AREA_SQM is the system calculated area of a two-dimensional polygon in square meters
FEATURE_LENGTH_M NUMBER 19 FEATURE_LENGTH_M is the system calculated length or perimeter of a geometry in meters

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