PARTICLE PHYSICS & ASTRONOMY RESEARCH COUNCIL SCUN /21.1
ROYAL OBSERVATORY EDINBURGH

SuperCOSMOS Project

SuperCOSMOS User Note 21.1

Accessing SuperCOSMOS Mapping Data

• Summary
• Introduction
• Disk Format
• Simple Data Access Example in FORTRAN
• Simple Data Access Example in C
• Libraries for Accessing Bigimages
  • Create a Bigimage
  • Open a Bigimage
  • Close a Bigimage
  • Read a Row of Pixels from a Lane of a Bigimage
  • Write a Row of Pixels to a Lane of a Bigimage
  • Get a Rectangular area from a Bigimage
  • Put a Rectangular area into a Bigimage
  • Query Routines
  • Error Translation
• FORTRAN Examples
  • MAKEBIGIO - make a big image
  • READBIGIO - read a big image
  • READMAP - read a map from a big image
  • WRITEMAP - write a map into a big image
• C Examples
  • MAKEBIGIO - make a big image
  • READBIGIO - read a big image
  • READMAP - read a map from a big image
  • WRITEMAP - write a map into a big image
• FORTRAN Routines
  • COSMAP_CLOSE - close a bigimage
  • COSMAP_CREATE - create a bigimage
  • COSMAP_ERRTRAN - translate an error number
  • COSMAP_GETLHEIGHT - get the lane height of a big image
  • COSMAP_GETLWIDTH - get the lane width of a big image
  • COSMAP_GETMAP - return a rectangular area of a big image
  • COSMAP_GETNLANES - return the number of lanes in a big image
  • COSMAP_GETROW - return a row of pixels from a lane
  • COSMAP_GETTYPE - return the data type of a big image
  • COSMAP_OPEN - open a big image
  • COSMAP_PUTMAP - put a rectangular area into a big image
  • COSMAP_PUTROW - put a row of pixels into a lane
• C Routines
  • bigio_close - close a bigimage
  • bigio_create - create a big image
  • bigio_errtran - translate an error number
  • bigio_getlheight - get the lane height of a big image
  • bigio_getlwidth - get the lane width of a big image
  • bigio_getmap - return a rectangular area of a big image
  • bigio_getnlanes - return the number of lanes in a big image
  • bigio_getrow - return a row of pixels from a lane
  • bigio_gettype - return the data type of a big image
  • bigio_open - open a big image
  • bigio_putmap - put a rectangular area into a big image
  • bigio_putrow - put a row of pixels into a lane
• Getting the Software by ftp
• About this document ...