Environmental Data Coding Specifcation        ISO IEC LogosRight Title Graphic
Home Browse Search Download Submissions FAQs Contact


Status: STD 2005/06/07
Code: 1450

Concept definition: The shape of a <TOPMARK>.
Attribute value type: ENUMERATION
Reference type: IR
Reference: [FACC, Annex B: TOP]
Supplemental references:  

Enumerants (presented in a natural order)
Status Attribute label Enumerant label ▾ Concept definition Code Ref type Reference Supplemental references
TOPMARK_SHAPE TWO_CONES_BASE_TO_BASE Two cones, one above the other, with their bases together in the centre and their vertices pointing up and down. 11 PR [S57A, Attribute, TOPSHP:11]  
TOPMARK_SHAPE TWO_CONES_POINTS_DOWNWARD Two cones points downward. 13 IR [FACC, Annex B, TOP:14]  
TOPMARK_SHAPE TWO_CONES_POINTS_UPWARD Two cones points upward. 14 IR [FACC, Annex B, TOP:13]  
TOPMARK_SHAPE TWO_CONES_POINT_TO_POINT Two cones, one above the other, with their vertices (points) together in the centre. 12 PR [S57A, Attribute, TOPSHP:10]  
TOPMARK_SHAPE TWO_SPHERES Two black spheres, commonly used to signify an isolated danger. 15 IR [S57A, Attribute, TOPSHP:4]  
TOPMARK_SHAPE X_SHAPED Having a shape or a cross-section like the capital letter "X"; if an IALA topmark, should be 3 dimensional in shape and made of at least three crossed bars. 16 IR [S57A, Attribute, TOPSHP:7]  

Group membership:

In addition to the status and date information for each entry, a colour coding scheme highlights the database holding to which an entry belongs. The following highlight colours are used:

  • white - the entry is in the standard
  • yellow - the entry has been added to the register
  • pink - the entry has been submitted for inclusion in the register, but it is not approved
  • cyan - a deprecated entry that was originally either in the standard or was added to the register, but has since been deprecated

The following icons are used to identify items that have figures, modifications and/or clarification notes:

  • F n - has Figures and, if more than one figure, n figures
  • M - has Modifications
  • C - has Clarifications

Bottom Bar Graphic

 Send mail to webmaster with questions or comments about this web site.