Sistema de Información Geografica Flashcards
1
Q
SIG
A
Sistema de Información Geografica
2
Q
examples
A
QGUIS (free) => postgrest
ARCGUIS => sql server
3
Q
metadados
A
GeoNetwork
4
Q
servidores
A
WMS => web map services
WFS = > web features services = descargar
5
Q
IGN
A
INSTITUTO GEOGRAFICO NACIONAL
6
Q
threre are two types of data
A
raster // vector
7
Q
RASTER
A
pixeles // matrices
8
Q
RASTER disadvantages
A
it’s too big
9
Q
RASTER format
A
TIF (all map) // TIFF
10
Q
VECTORES
A
punto // linea // poligono
11
Q
VECTORES advantages
A
lees STORAGE // more HARD
12
Q
VECTORES format
A
SHP => shapefile(alcaldia)
13
Q
Types of geoportales
A
LANDSAT => NASA
SENTINAL => EUROPA
14
Q
how page FIND ??
A
earthexplorer
15
Q
NDVI
A
Normalized Difference Vegetation Index
(C5-C4)/(C5+C4)
