the Mixed mode gives the same information with added small 
icons af previews (1/5 of the corresponding preview): the Pre 
view only mode shows previews of images. To access the 
Mixed and Previews only mode, a client shall display in-line 
graphics. 
The Quick Looks. Previews and Inventory informations are in 
tegrated within HTML document allowing their retrieval by 
simple click on underlined word or phrase which is a hyperlink 
to another document anywhere in the network. 
Acquisition and visualization of full quick-looks 
Retrieved items offer hyper links to corresponding previews of 
satellite images as well as link to the document with the product 
boundaries drown on a world map. On request, images are sent 
over the network and displayed at the client site by means of 
standard viewers installed with the client software. 
4 Reference 
Andreessen M., 1993-a: NCSA Mosaic Technical S ummar y 
Revision 2.1.. May 4, 1993, National Center for Supercomput 
ing Applications, 605 E. Springfield, Champaign IL 61820. 
Arino 0, J.-M. Melinotte and G. Calabresi, 1993: Fire, cloud, 
land, water: the “Ionia” AVHRR CD-Browser of ESRIN. Earth 
Observation Quarterly, 41, July 1993. ESA/ESTEC, Noord- 
wijk. 
Buongiomo A„ G. Pittella and J. Eidenshink. 1993: Environ 
mental project “Global Land 1km AVHRR data set”: The status 
of data collection archiving and processing after the first year 
of experience. Proceeding of the 6th European AVHRR Data 
Users’ Meeting, Belgirate, 29 June-2 July 1993. 
CEOS Inventory Exchange Format, Version 2.1.1, 7 February 
1992, CEOS WGD Catalogue Subgroup. 
Melinotte J.-M. and 0. Arino. 1993: AVHRR CD-Browser “Io 
nia”. Proceeding of the 6th European AVHRR Data Users' 
Meeting, Belgirate, 29 June-2 July 1993.