Identification_Information: Citation: Citation_Information: Originator: Bradstreed Consultants Publication_Date: February 2009 Title: York 2005 color orthos Online_Linkage: http://mapserver.maine.gov/wms/mapserv.exe?map=c:/wms/orthos_muni.map& Description: Abstract: This OGC-compliant web mapping service (WMS) provides 2005 aerial orthophotos at a resolution of 6 inches for York, Maine. Bradstreet Consultants, Inc. used the aerial photography flown in one session on April 18, 2005, at a resolution of 0.5' pixel (similar to 1"=600'). Bradstreet Consultants, Inc. gathered control points to support full analytical aerotriangulation. The aerotriangulation solution was used to set up each stereopair of photos for orthorectification and DTM compilation. The ortho imagery was rectified from the natural color digial imagery employing a digital terrain model (DTM) and supplemented from updating some town's original DTM and some town's from scratch using the imagery in softcopy (digital) stereoplotter in the Kork KDMS and DAT/EM AutoCAD DWG format. Purpose: Use in each Town's GIS for viewing and analysis along with sale to surveying, engineering, GIS and other intersted individuals and companies. Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 20050418 Currentness_Reference: ground condition Status: Progress: Complete Maintenance_and_Update_Frequency: None planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -70.3 East_Bounding_Coordinate: -71 North_Bounding_Coordinate: 43.75 South_Bounding_Coordinate: 43 Keywords: Theme: Theme_Keyword_Thesaurus: ISO Keyword Thesaurus Theme_Keyword: imageryBaseMapsEarthCover Place: Place_Keyword_Thesaurus: Maine GIS Thesaurus-Place Place_Keyword: Maine Place_Keyword: United States Stratum: Stratum_Keyword_Thesaurus: GCMD Parameter Keyword Stratum_Keyword: land surface Access_Constraints: None Use_Constraints: Data should not be used beyond the scale of 1:1200 Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Mark Bradstreet Contact_Organization: Bradstreet Consultants Contact_Position: President Contact_Address: Address_Type: mailing and physical address Address: 69 Peters Road City: Searsmont State_or_Province: ME Postal_Code: 04973 Contact_Voice_Telephone: 207-621-8500 Contact_Electronic_Mail_Address: mark (at) bradstreet.com Data_Set_Credit: Bradstreet Consultants, Inc, Southern Maine Regional Planning Commission, USGS, State of Maine, Maine GeoLibrary Board. Native_Data_Set_Environment: Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.3.1.1850 Data_Quality_Information: Completeness_Report: Orthoimagery data ofKittery Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: 1"=600" film based aerial photos for 1:1200 mapping and orthos within 2.5' of horizontal positioning. The orthorectification process was applied to the imagery and those features which are at ground level. No attempt was made to correctly rectify elevated structures as part of this project. Quantitative_Horizontal_Positional_Accuracy_Assessment: Horizontal_Positional_Accuracy_Explanation: Comparison to Source Vertical_Positional_Accuracy: Lineage: Process_Step: Process_Description: Bradstreet Consultants, Inc. used the aerial photography flown in one session on April 18, 2005, at a resolution of 0.5' pixel (similar to 1"=600'). Bradstreet Consultants, Inc. gathered control points to support full analytical aerotriangulation. The aerotriangulation solution was used to set up each stereopair of photos for orthorectification and DTM compilation. The ortho imagery was rectified from the natural color digial imagery employing a digital terrain model (DTM) and supplemented from updating some town's original DTM and some town's from scratch using the imagery in softcopy (digital) stereoplotter in the Kork KDMS and DAT/EM AutoCAD DWG format. Process_Date: 2006 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Mark Bradstreet Contact_Organization: Bradstreet Consultants Contact_Position: President Contact_Address: Address_Type: mailing and physical address Address: 69 Peters Road City: Searsmont State_or_Province: ME Postal_Code: 04973 Contact_Voice_Telephone: 207-621-8500 Contact_Electronic_Mail_Address: mark (at) bradstreet.com Process_Step: Process_Description: The SID files provided by Bradstreet were used as the source for this OGC-compliant web mapping service (WMS). The SID files are resampled to create overview TIFs and those provided in a MapServer-based environment. Process_Date: 2009 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Michael Smith Contact_Organization: Maine Office of GIS Contact_Position: State GIS Manager Contact_Address: Address_Type: mailing and physical address Address: SHS 145 Address: 26 Edison Drive City: Augusta State_or_Province: ME Postal_Code: 04333-0145 Country: USA Contact_Voice_Telephone: 207-215-5530 Contact_Facsimile_Telephone: 207-287-3842 Contact_Electronic_Mail_Address: michael.smith (at) maine.gov Cloud_Cover: 0 Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Raster Raster_Object_Information: Raster_Object_Type: Pixel Row_Count: 8000 Column_Count: 12000 Vertical_Count: 1 Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Grid_Coordinate_System: Grid_Coordinate_System_Name: State Plane Coordinate System Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: row and column Coordinate_Representation: Abscissa_Resolution: .15 Ordinate_Resolution: .15 Planar_Distance_Units: meters Geodetic_Model: Horizontal_Datum_Name: NAD83 Ellipsoid_Name: GRS80 Distribution_Information: Resource_Description: OGC-compliant web mapping service (WMS) available at http://mapserver.maine.gov/wms/mapserv.exe?map=c:/wms/orthos_muni.map& Distribution_Liability: None - original TIF or SID files can be obtained from Bradstreet Consultants. Metadata_Reference_Information: Metadata_Date: 20090521 Metadata_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: Bradstreet Consultants Contact_Person: Mark Bradstreet Contact_Position: President Contact_Address: Address_Type: mailing and physical address Address: 69 Peters Road City: Searsmont State_or_Province: ME Postal_Code: 04973 Contact_Voice_Telephone: 207-621-8500 Contact_Electronic_Mail_Address: mark (at) bradstreet.com Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998 Metadata_Time_Convention: local time Metadata_Access_Constraints: none Metadata_Use_Constraints: give credit to the creator Metadata_Extensions: Online_Linkage: http://www.esri.com/metadata/esriprof80.html Profile_Name: ESRI Metadata Profile