TECHNICAL ISO/TR REPORT 19121 Firstedition 2000-10-15 Geographic information Imagery and gridded data Information geographique Imagerie et donnees quadrillees Reference number ISO/TR 19121:2000(E) ISO @ISO2000 ISO/TR19121:2000(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this area. AdobeisatrademarkofAdobeSystems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event ISO2000 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Casepostale56.CH-1211Geneva20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.ch Web www.iso.ch Printed in Switzerland ii @Iso 2000-All rights reserved ISO/TR19121:2000(E) Contents Page Foreword. .iv Introduction.. 1 Scope 2 References.. 3 Review of existing standards..... 3.1 The International Organization for Standardization (IsO) 3.1.1 ISo/IEc JTc 1 - Information technology standards .... 3.1.2 ISo/Tc 130 -- Graphic technology... 3.2 DIGEST(DlgitalGeographicExchangeSTandard).. 3.3 Spatial Data Transfer Standard: Part 5: Raster Profile ... 3.4 IHo S-57-International Hydrographic Organization-Transfer Standard for Digital Hydrographic Data.... .8 3.5 CEoS-CommitteeonEarthObservationSatellites. 3.5.1 CEos Superstructure... .9 3.5.2 CEosSuperstructureandtheCatalogueInteroperabilityProtocol(CiP) .9 3.5.3 Overview of CiP Architecture .. 10 3.5.4 CIP Features..... 3.6 EOSDIS/HDF. 3.6.1 Conceptual Data Models.... 3.6.2 HierarchicalDataFormat(HDF) 11 3.6.3 HDF-EOS-TheHDFImplementationoftheEOSDISConceptual Models 3.7 International Telegraphic Union-TelecommunicationsITU-TSG VIll -T.4 and T.6... 12 3.8 OpenGiSConsortium(OGC)-Coverages.. 12 3.9 Private formats... 13 3.9.1 Fractal Transform Coding.... 13 3.9.2 The Graphic InterchangeFormat (GIF) 13 3.9.3 Photo Compact Disk... 13 3.9.4 Portable Network Graphics (PNG)... 3.9.5 Tag Image File Format (TIFF)..... 13 3.9.6 GeoTIFF..... 3.10 Mapping of existing imagery and gridded data standards to geographic information standards .. 4 Components of image and gridded data..... 4.1 Picture elements of cells.... 16 4.2 Metadata.. 17 4.3 Spatial registration ...... 17 4.4 Encapsulation and coding.. 18 5 Interaction with other standards.. 18 5.1 Subcomponents.... 18 5.2 Profiles.... 19 5.3 Alignment withoverlappingstandards 19 6 Plantoaddress imageryand gridded data in ISO/TC211work items. .20 6.1 Impact on existing work items.. 20 6.2 New work required... 22 Annex A (informative) Cell organization.. 23 AnnexB (informative)Metadata.. 25 Annex C (informative) New areas of work supporting imagery and gridded data .29 Annex D (informative) Acronyms.. 31 Bibliography 34 @ ISO 2000 - All rights reserved ili