PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM SPACECRAFT_NAME = "CLEMENTINE 1" TARGET_NAME = "MOON" OBJECT = TEXT INTERCHANGE_FORMAT = ASCII PUBLICATION_DATE = 2007-05-01 NOTE = "CLEMENTINE NIR DIM MOSAIC" END_OBJECT = TEXT END CLEMENTINE NIR DIM MOSAIC Table of Contents 1. - INTRODUCTION 2. - DISK FORMAT 3. - FILE FORMATS 4. - CD CONTENTS, DIRECTORY, AND FILENAMING CONVENTIONS 5. - CONTACTS FOR MORE INFORMATION 1. INTRODUCTION This CD is one of 78 CD volumes that contain the full resolution Clementine Near-Infrared (NIR) Digital Image Model (DIM) of Earth's Moon. This multispectral lunar DIM is a radiometrically and geometrically controlled, photometrically modeled global image mosaic compiled using more than 400,000 images from the Near-Infrared Camera onboard the Clementine orbiting spacecraft. The NIR mosaic is mapped in the Sinusoidal Equal-Area Projection [Snyder, 1987] at a resolution of 100 meters per pixel and requires approximately 68 gigabytes of digital storage. This database is partitioned into 996 quadrangles (quads) or "tiles" equivalent to those of the previously released Clementine 750 nanometer Basemap Mosaic (PDS volumes CL_3001 through CL_3015) and the UVVIS DIM (PDS volumes CL_4001 through CL_4078; Eliason et al., 1999). This 100 m/pixel version of the NIR DIM is presented on 13 DVD volumes (equivalent to 78 ‘virtual CD’ volumes). Tiles are stored as image files of approximately 2100 pixels on a side, covering approximately a 6-degree by 7-degree quadrangle (303 pixels/degree). Pixels are 16-bit signed integers. Reduced-resolution planet-wide NIR mosaics will be made available online at the PDS Map-a- Planet Web site (http://www.mapaplanet.org) along with the full- resolution NIR mosaic. Additional information in support of the NIR DIM, including a frame number (colorset_id) image, empirical frame offset values for each frame, and a source file index table ('srcindx.tab') will be made available online at http://astrogeology.usgs.gov/Projects/ClementineNIR/. The source file index table contains information about the Engineering Data Record (EDR) image collection used to assemble the NIR DIM and the images that make up 56-band color sets. This file contains an entry for each EDR image that was used in this database. A phase angle image database does not accompany the NIR DIM (recall that this information is available with the UVVIS DIM archive). Although the tiling scheme is identical to the original basemap, each 30-degree longitudinal gore section of the basemap now represents one DVD volume (equivalent to 6 virtual CD volumes). The full-resolution tiling and archive scheme is available in graphical form in the 'scheme.pdf' (Portable Document Format [PDF]) file found in the 'document' directory of each volume. A detailed description of the Clementine NIR DIM Mosaic with information about the organization and compilation of the database is provided in the VOLINFO files located in the 'document' directory. Using a web browser application, open the 'index.htm' file located in the 'root' directory of each CD. The HTML document will direct you to other informational documents and the image browser for rapidly viewing the image collection. The browse image collection consists of false color, color ratio, and black-and-white 2000nm images for each Clementine NIR DIM product. The Clementine NIR DIM Mosaic was compiled for the National Aeronautics and Space Administration (NASA) by the United States Geological Survey (USGS). See the acknowledgments section of the VOLINFO files ('document' directory) for a complete list of those who contributed. The image files are organized according to NASA's PDS standards. An image file (tile) is organized as a PDS labeled file containing an "image object". Additionally, each image file is associated with an Integrated Software for Imagers and Spectrometers (ISIS) "qube object" detached label. This detached label allows for images to be accessed and processed in the ISIS system (available through the USGS, Flagstaff, AZ). Within ISIS, users should reference the detached label file when accessing image files. Other access tools are available that support the Clementine NIR DIM. A software tool called "MapMaker" enables users to extract seamless mosaics of images for any latitude-longitude region and at a variety of scales in different map projections. MapMaker, available for distribution through the PDS Imaging Node, can output images in a variety of formats common to the user community (gif, jpeg, tiff, PDS). Additionally, the program "NASAView" provides a simple display capability for images stored in the PDS format. NASAView is a PDS product display tool that runs on multiple platforms with a common graphical user interface. The current version (version 2.13, 2006) supports the display of multi-band image cubes (up to 3 selected bands). See the PDS Software Download page (http://pds.jpl.nasa.gov/tools/software_download.cfm) for information on NASAView and its availability. Digital storage requirements for the full resolution image products range from ~45MB to ~84MB. These images have the 'img' filename extension and are found in the 'data' directory. For each NIR DIM tile, color ratio, enhanced color, and b/w (2000 nm) browse images are provided at reduced resolution in JPEG format within the 'browse' directory tree. Detailed information regarding the density stretch parameters used for the generation of these browse products is provided in the BROWINFO.TXT file in the 'browse' directory. 2. DISK FORMAT The disk has been formatted so that a variety of computer systems (e.g. IBM/PC compatible, Macintosh, Sun) may access the data. Specifically, the disk is formatted according to the both the Universal Disk Format (UDF) and the ISO 9660 level 1 Interchange Standard. For further UDF specification information, visit the Optical Storage Technology Association (OSTA) web-site at http://www.osta.org/. For further ISO information, refer to the ISO 9660 Standard Document: Reference Number ISO 9660-1988, 15 April 1988. 3. FILE FORMATS All document files, detached label files, and tables are stored as ASCII stream-record files. In a stream-record file, records (lines of text) are separated by a carriage-return and line-feed character sequence. The / sequence marks the end-of-record and the start of a new record. This organization works well for the Microsoft-DOS systems because the / sequence is identically used on these systems. On Macintosh systems, an end-of-record mark is simply a character. Macintosh text editors can read and access these files, but a special-character indicator (usually a "square box" character) will mark the "extraneous" character at the beginning of each line. On UNIX systems, an end-of-record mark is simply a character. UNIX text editors can read and access these files, but a special-character (usually a ^M sequence) indicator will mark the "extraneous" character at the end of each line. File names with extension "TAB", "LBL", "LAB", "TXT", and "CAT" are formatted as ASCII stream-record files. In addition to the standard ASCII text file format used for documentation files, some documentation files may additionally exist in other forms to facilitate easy access to these files. File names with the extension "HTM" are formatted as HyperText Markup Language (HTML) documents. File names with the extension "PDF" are formatted as Adobe Portable Document Format (PDF) files. Tabular files are formatted so that they may be read directly into many database management systems of various computers. All fields are separated by commas, and character fields are enclosed in double quotation marks ("). Character fields are left justified, and numeric fields are right justified. The "start byte" and "bytes" values listed in the labels that describe the tabular files do not include the commas between fields or the quotation marks surrounding character fields. The records are of fixed length, and the last two bytes of each record contain the ASCII / characters. This scheme allows a table to be treated as a fixed- length record file on computers that support this file type and as a normal text file on other computers. PDS labels are object-oriented. The object to which the label refers (IMAGE, TABLE, etc.) is denoted by a statement of the form: ^object = location in which the carat character (^) indicates that the object starts at the given location. In an embedded label, the Clementine NIR DIM image archive uses the form: ^object = n where "n" points to the starting byte location of the object. (The first byte in a file is designated as byte location 1.) For detached labels (labels existing in their own file) the object location is signified as: ^object = "file.nam" In this form, the object of the label description exists in the file named "file.nam". For a description of the PDS object label specifications, consult JPL document D-7669. 4. CD CONTENTS, DIRECTORY, AND FILENAMING CONVENTION The files on this CD are organized starting at the root or 'parent' directory. Below the parent directory is a directory tree containing data, documentation, and index files. In the table below directory names are indicated by brackets (<...>), upper-case letters indicate an actual directory or file name, and lower-case letters indicate the general form of a set of directory or file names. DIRECTORY/FILE CONTENTS ------------------- ------------------------------------------ | |-AAREADME.TXT The file you are reading (ASCII Text). | |-INDEX.HTM Hypertext Markup Language(HTML) file for use | as a user interface to files on this volume. | |-ERRATA.TXT Description of known anomalies and errors | present on the volume set (optional file). | |-VOLDESC.CAT A description of the contents of this | CD volume in a format readable by | both humans and computers. | |- Catalog Directory | | | |-CATINFO.TXT Describes Contents of the Catalog directory | | | |-DATASET.CAT Clementine NIR DIM Mosaic description | | | |-DSMAP.CAT Map Projection description | | | |-INSTHOST.CAT Clementine Spacecraft description | | | |-MISSION.CAT Clementine Mission description | | | |-PERSON.CAT Contributors to Clementine NIR Mosaic | | | |-REF.CAT References for Clementine NIR Mosaic | | | |-NIRINST.CAT NIR Camera description | |- Documentation Directory. The files in this | | directory provide detailed information | | regarding the Clementine NIR Mosaic. | | | |-DOCINFO.TXT Description of files in the DOCUMENT | | directory. | | | |-VOLINFO.TXT Documentation regarding the | | contents of this CD Volume. | | | |-VOLINFO.HTM HTML document for VOLINFO.TXT | | | |-VOLINFO.LBL PDS Label file describing the VOLINFO | | documents. | | | |-SCHEME.PDF Adobe Portable Document Format file showing | NIR tiling and volume scheme. | |- Directory for the image index files. | | | |-INDXINFO.TXT Description of files in directory. | | | |-INDEX.TAB Image Index table specific to each volume. | | | |-INDEX.LBL PDS label for INDEX.TAB. | | | |-CUMINDEX.TAB Image Index table for entire CD collection. | | | |-CUMINDEX.LBL PDS label for CUMINDEX.TAB. | | |- Data directory containing NIR DIM tiles. | | | |- Data filenames where; | (For this NIR Volume Set) | t = N (Clementine NIR Mosaic) | | (For past or future Volumes) | = B (Clementine Basemap Mosaic) | = U (UVVIS Cube) | = N (NIR Cube) | = L (LWIR Image Data) | = H (Hi-res Image Data) | | s = (Resolution - km/pixel) | = A (.004 km/pixel - future mapping) | = B-D (For future mapping as needed) | = E (.02 km/pixel - future mapping) | = F-H (For future mapping as needed) | = I (.1 km/pixel) | = J (.15 km/pixel) | = K-L (For future mapping as needed) | = M (.5 km/pixel) | = N-P (For future mapping as needed) | = Q (2.5 km/pixel) | = R-T (For future mapping as needed) | = U (12.5 km/pixel) | = V-Z (For future mapping as needed) | | pp = (00-90) Center latitude of Image File. | (Two digit truncated integer) | | y = N (Positive latitude) | = S (Negative latitude) | = (Not used for full latitude | coverage. i.e. -90 to 90) | | mmm = (000-360) Center longitude of Image. | (Three digit truncated integer) | xxx = IMG (PDS Labeled Image File) | = LAB (ISIS Detached Label File) | = JPG (JPEG "small", "medium", and | "large" Browse Images) | Directory Tree only | = HTM ( Directory Tree only) | | |- Directory tree containing enhanced color, | color ratio, and b/w (2000 nm) "Browse" | (reduced resolution) JPEG images for each image | data product on the volume. | |-BROWINFO.TXT Description of content. | |-BRCOLOR.HTM Graphics (map)-based HTML interface to | enhanced color browse data | (Accessed by INDEX.HTM file). | |-BRRATIO.HTM Graphics (map)-based HTML interface to | color ratio browse data | (Accessed by INDEX.HTM file). | |-BRBW.HTM Graphics (map)-based HTML interface to | b/w (2000 nm) browse data | (Accessed by INDEX.HTM file). | |-LOCATOR.HTM Volume/Quad Locator Map. | |-CLEMLOGO.GIF Various icons, logos, and images |-USGSLOGO.GIF used by HTML documents on the volume. |-CLEMGRID.GIF |-GR17.GIF |-GR38.GIF | |- | |- | |- Directory tree containing "small","medium", | |- and "large" sized JPEG images (enhanced color, | color ratio, and b/w (2000 nm)) for each |- DIM product. These JPEG images are primarily | |- used by the HTML documents on the volume. | |- "small" images are ~60x60 pixels | |- "medium" images are ~400x400 pixels | "large" images are ~1000x1000 pixels |-<2000 nm> |- |- |- 5. CONTACTS FOR MORE INFORMATION For details regarding generation of the Clementine NIR Mosaic ------------------------------------------------------------------ Lynn Weller or Ella Mae Lee U.S. Geological Survey Astrogeology Team 2255 N. Gemini Dr. Flagstaff, Arizona 86004 lweller@usgs.gov elee@usgs.gov For overall content, design, and archive of the Clementine NIR DIM as presented on this DVD volume set: ---------------------------------------------------------- Chris Isbell U.S. Geological Survey Astrogeology Team 2255 N. Gemini Dr. Flagstaff, Arizona 86004 cisbell@usgs.gov For information on how to obtain a copy of the Clementine NIR DIM ------------------------------------------------------------------- Planetary Data System Imaging Node Lisa Gaddis U.S. Geological Survey Astrogeology Team 2255 N. Gemini Dr. Flagstaff, Arizona 86004 lgaddis@usgs.gov