raster One of the two major types of internal data organization used in GIS. Raster systems superimpose a regular grid over the area of interest and associate each cell-or pixel, to use the image term- with one or more data records. The values associated with each grid cell may represent either real values or any scalar or nominal data values associated with the cell coordinates. Among the strengths of the raster method is its ability to accept data directly from remote sensing systems and to represent transitional information. Raster systems tend to be relatively storage-intensive and this imposes practical limits on the area of coverage, the resolution, or both of these. Capacity constraints are, however, becoming less significant as computer memory and storage become more powerful and as data compression techniques become more readily available ['ræstə, -ər] n

envir.

trama f

raster

: 37 phrases, 13 sujets

Communications	4
Électronique	2
Environnement	4
Géographie	1
Informatique	13
Médical	1
Microélectronique	1
Microsoft	2
Radio	1
Sciences de la Terre	2
Sciences naturelles	1
Sylviculture	3
Traitement de l'	2

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raster
envir.	trama
génie m.	cuadrícula fundamental; rejilla de exploración total
ordin.	barrido de trama
stat. comm. scient.	cuadrícula; trama; raster
techn.	cuadriculado de exploración; retículo
télév.	red de líneas de exploración que cubre de manera uniforme la zona de la pantalla en la cual aparece la imagen


software
autom.	lógica
brev.	ayudas para la programación
financ.	programa de computadora
information;trait.	programa informático; logical
internet.	programas; componentes lógicos; software
météor.	programa
pharm. compt. transp.	elementos de programación


System
micr.	Sistema
system
fond m.	régimen; plan
informat.	generación del sistema
math.	el sistema
micr.	sistema
sciences. génie m.	sistema termodinámico
soins.	emergencias; sistema
systems
astr.	sistemas