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b14254文档 georaster 影像数据 oracle georasterloader
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b14254文档 georaster 影像数据 oracle georasterloader
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Oracle® Spatial
GeoRaster
10g Release 2 (10.2)
B14254-02
November 2005
Provides usage and reference information for the GeoRaster
feature of Oracle Spatial, which lets you store, index, query,
analyze, and deliver raster data (raster image and gridded
data and its associated metadata).
Oracle Spatial GeoRaster, 10g Release 2 (10.2)
B14254-02
Copyright © 1999, 2005, Oracle. All rights reserved.
Primary Author: Chuck Murray
Contributors: Janet Blowney, Jeffrey Xie, Terry Xu, Sophia Yuditskaya, Zhihai Zhang
The Programs (which include both the software and documentation) contain proprietary information; they
are provided under a license agreement containing restrictions on use and disclosure and are also protected
by copyright, patent, and other intellectual and industrial property laws. Reverse engineering, disassembly,
or decompilation of the Programs, except to the extent required to obtain interoperability with other
independently created software or as specified by law, is prohibited.
The information contained in this document is subject to change without notice. If you find any problems in
the documentation, please report them to us in writing. This document is not warranted to be error-free.
Except as may be expressly permitted in your license agreement for these Programs, no part of these
Programs may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any
purpose.
If the Programs are delivered to the United States Government or anyone licensing or using the Programs on
behalf of the United States Government, the following notice is applicable:
U.S. GOVERNMENT RIGHTS Programs, software, databases, and related documentation and technical data
delivered to U.S. Government customers are "commercial computer software" or "commercial technical data"
pursuant to the applicable Federal Acquisition Regulation and agency-specific supplemental regulations. As
such, use, duplication, disclosure, modification, and adaptation of the Programs, including documentation
and technical data, shall be subject to the licensing restrictions set forth in the applicable Oracle license
agreement, and, to the extent applicable, the additional rights set forth in FAR 52.227-19, Commercial
Computer Software—Restricted Rights (June 1987). Oracle Corporation, 500 Oracle Parkway, Redwood City,
CA 94065
The Programs are not intended for use in any nuclear, aviation, mass transit, medical, or other inherently
dangerous applications. It shall be the licensee's responsibility to take all appropriate fail-safe, backup,
redundancy and other measures to ensure the safe use of such applications if the Programs are used for such
purposes, and we disclaim liability for any damages caused by such use of the Programs.
Oracle, JD Edwards, PeopleSoft, and Retek are registered trademarks of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective owners.
The Programs may provide links to Web sites and access to content, products, and services from third
parties. Oracle is not responsible for the availability of, or any content provided on, third-party Web sites.
You bear all risks associated with the use of such content. If you choose to purchase any products or services
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dealing with any third party.
iii
Contents
Preface............................................................................................................................................................... xiii
Audience..................................................................................................................................................... xiii
Documentation Accessibility................................................................................................................... xiii
Related Documents ................................................................................................................................... xiv
Conventions ............................................................................................................................................... xiv
What’s New in GeoRaster? ................................................................................................................... xv
JPEG and DEFLATE Compression and Decompression..................................................................... xv
Third-party Wavelet Compression and Decompression..................................................................... xv
Requirements for GeoRaster Tables and Raster Data Tables.............................................................. xv
New Procedures for RDT Name Uniqueness ....................................................................................... xv
Migration Might Require RDT Name Changes.................................................................................... xvi
GeoRaster Objects in Schemas Other Than the Current Schema ....................................................... xvi
changeFormat and scale Procedures Deprecated................................................................................. xvi
Enhanced GeoRaster Tools ...................................................................................................................... xvi
1 GeoRaster Overview and Concepts
1.1 Vector and Raster Data .............................................................................................................. 1-2
1.2 Raster Data Sources .................................................................................................................... 1-2
1.2.1 Remote Sensing.................................................................................................................... 1-2
1.2.2 Photogrammetry.................................................................................................................. 1-3
1.2.3 Geographic Information Systems...................................................................................... 1-3
1.2.4 Cartography.......................................................................................................................... 1-3
1.2.5 Digital Image Processing .................................................................................................... 1-4
1.2.6 Geology, Geophysics, and Geochemistry ........................................................................ 1-4
1.3 GeoRaster Data Model ............................................................................................................... 1-4
1.4 GeoRaster Physical Storage....................................................................................................... 1-7
1.4.1 Storage Parameters........................................................................................................... 1-11
1.4.2 Raster Data Table.............................................................................................................. 1-13
1.4.3 Blank and Empty GeoRaster Objects............................................................................. 1-14
1.4.4 Cross-Schema Support with GeoRaster ........................................................................ 1-14
1.5 Bands, Layers, and Interleaving ............................................................................................ 1-15
1.6 Georeferencing ......................................................................................................................... 1-16
1.6.1 GeoRaster Georeferencing Method................................................................................ 1-17
1.6.2 Cell Coordinate and Model Coordinate Transformation ........................................... 1-18
iv
1.7 Pyramids ................................................................................................................................... 1-19
1.8 Compression and Decompression......................................................................................... 1-21
1.8.1 JPEG Compression of GeoRaster Objects...................................................................... 1-21
1.8.2 DEFLATE Compression of GeoRaster Objects............................................................. 1-22
1.8.3 Decompression of GeoRaster Objects............................................................................ 1-23
1.9 GeoRaster PL/SQL Subprogram Categories....................................................................... 1-23
1.9.1 Subprograms to Create, Load, and Export GeoRaster Data....................................... 1-23
1.9.2 Subprograms to Validate and Process GeoRaster Objects.......................................... 1-23
1.9.3 Subprograms to Get and Set GeoRaster Metadata and Data ..................................... 1-24
1.9.4 Utility Subprograms......................................................................................................... 1-30
1.10 GeoRaster Tools: Viewer, Loader, Exporter......................................................................... 1-30
1.11 GeoRaster PL/SQL Demo Files ............................................................................................. 1-31
1.12 README File for Spatial and Related Features.................................................................. 1-32
2 GeoRaster Data Types and Related Structures
2.1 SDO_GEORASTER Object Type............................................................................................... 2-1
2.1.1 rasterType Attribute............................................................................................................ 2-1
2.1.2 spatialExtent Attribute........................................................................................................ 2-2
2.1.3 rasterDataTable Attribute................................................................................................... 2-2
2.1.4 rasterID Attribute ................................................................................................................ 2-2
2.1.5 metadata Attribute .............................................................................................................. 2-3
2.2 SDO_RASTER Object Type and the Raster Data Table......................................................... 2-3
2.2.1 rasterID Attribute ................................................................................................................ 2-3
2.2.2 pyramidLevel Attribute...................................................................................................... 2-3
2.2.3 bandBlockNumber Attribute ............................................................................................. 2-4
2.2.4 rowBlockNumber Attribute............................................................................................... 2-4
2.2.5 columnBlockNumber Attribute......................................................................................... 2-4
2.2.6 blockMBR Attribute............................................................................................................. 2-4
2.2.7 rasterBlock Attribute........................................................................................................... 2-4
2.3 Other GeoRaster Types .............................................................................................................. 2-4
2.3.1 SDO_GEOR_HISTOGRAM Object Type ......................................................................... 2-4
2.3.2 SDO_GEOR_COLORMAP Object Type........................................................................... 2-5
2.3.3 SDO_GEOR_GRAYSCALE Object Type.......................................................................... 2-5
2.3.4 SDO_RASTERSET Collection Type .................................................................................. 2-6
2.3.5 SDO_GEOR_SRS Object Type ........................................................................................... 2-6
2.4 GeoRaster System Data Views (xxx_SDO_GEOR_SYSDATA)............................................ 2-8
2.4.1 TABLE_NAME Column ..................................................................................................... 2-8
2.4.2 COLUMN_NAME Column................................................................................................ 2-8
2.4.3 METADATA_COLUMN_NAME Column...................................................................... 2-9
2.4.4 RDT_TABLE_NAME Column........................................................................................... 2-9
2.4.5 RASTER_ID Column........................................................................................................... 2-9
2.4.6 OTHER_TABLE_NAMES Column................................................................................... 2-9
2.5 GeoRaster XML Schema Table.................................................................................................. 2-9
3 GeoRaster Operations
3.1 Creating the GeoRaster Table, Trigger, and Raster Data Table ........................................... 3-2
3.1.1 GeoRaster DML Trigger ..................................................................................................... 3-3
v
3.2 Creating New GeoRaster Objects ............................................................................................. 3-3
3.3 Adjusting Java Pool Size Before Importing GeoRaster Objects ........................................... 3-4
3.3.1 Using Automatic Shared Memory Management............................................................ 3-4
3.3.2 Using Manual Memory Management .............................................................................. 3-4
3.4 Loading Raster Data................................................................................................................... 3-5
3.5 Validating GeoRaster Objects ................................................................................................... 3-5
3.6 Georeferencing GeoRaster Objects........................................................................................... 3-6
3.7 Generating and Setting Spatial Extents ................................................................................... 3-7
3.8 Indexing GeoRaster Data........................................................................................................... 3-8
3.9 Changing Raster Storage............................................................................................................ 3-8
3.10 Querying and Updating GeoRaster Metadata........................................................................ 3-8
3.11 Querying and Updating Cell Data ........................................................................................... 3-8
3.12 Processing GeoRaster Objects ................................................................................................... 3-9
3.13 Compressing and Decompressing GeoRaster Objects .......................................................... 3-9
3.14 Viewing GeoRaster Objects....................................................................................................... 3-9
3.15 Exporting GeoRaster Objects ................................................................................................. 3-10
3.16 Updating GeoRaster Objects Before Committing ............................................................... 3-10
3.17 Transferring GeoRaster Data Between Databases .............................................................. 3-11
3.17.1 Checking for and Resolving Conflicts ........................................................................... 3-11
3.17.2 Performing the GeoRaster Data Transfer...................................................................... 3-12
3.18 Ensuring Raster Data Table Name Uniqueness .................................................................. 3-13
3.19 Manually Maintaining GeoRaster System Data.................................................................. 3-14
3.20 Dealing with Possible GeoRaster Data Problems................................................................ 3-14
4 SDO_GEOR Package Reference
SDO_GEOR.calcCompressionRatio ......................................................................................... 4-2
SDO_GEOR.changeCellValue................................................................................................... 4-3
SDO_GEOR.changeFormat ....................................................................................................... 4-5
SDO_GEOR.changeFormatCopy.............................................................................................. 4-6
SDO_GEOR.copy ........................................................................................................................ 4-8
SDO_GEOR.createBlank ......................................................................................................... 4-10
SDO_GEOR.deletePyramid.................................................................................................... 4-12
SDO_GEOR.exportTo.............................................................................................................. 4-13
SDO_GEOR.generatePyramid ............................................................................................... 4-17
SDO_GEOR.generateSpatialExtent....................................................................................... 4-19
SDO_GEOR.georeference ....................................................................................................... 4-21
SDO_GEOR.getBandDimSize ................................................................................................ 4-23
SDO_GEOR.getBeginDateTime............................................................................................. 4-24
SDO_GEOR.getBinTable......................................................................................................... 4-25
SDO_GEOR.getBinType ......................................................................................................... 4-26
SDO_GEOR.getBlankCellValue............................................................................................. 4-28
SDO_GEOR.getBlockingType................................................................................................ 4-29
SDO_GEOR.getBlockSize ....................................................................................................... 4-30
SDO_GEOR.getCellCoordinate ............................................................................................. 4-31
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