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:




:

































 

 

 

 


3 GIS Arc View 3.2 .

1.

 

1.1

 

1.2 .

 

1.3 .

1.4

 

 

2. .

 

3 GIS Arc View 3.2 .

 

Quantum GIS (QGIS) - (). , , PostgreSQL PostGIS, -, Shapefiles - (TIFF, PNG GEOTIFF). . GRASS (GRASS layers), , . GRASS QGIS.

Quantum GIS (QGIS) . QGIS 2002 , SourceForge. QGIS :

Unix, Windows, OS X. QGIS Qt C++. , QGIS , .

QGIS , . QGIS , . QGIS , .

 

:

 

PostGIS ;
shapefiles (), ArcInfo, Mapinfo, , OGR;
;
;
;
;
map- Mapserver.

 

. :

PostGIS, ,

OGR, shape- ESRI, MapInfo, SDTS (Spatial Data Transfer Standard), GML (Geography Markup Language) .

, GDAL (Geospatial Data Abstraction Library),

, GeoTIFF, Erdas IMG, ArcInfo ASCII Grid, JPEG, PNG .

SpatiaLite

GRASS (/ ),

 

 

. , :

/

//

fTools

,

: ,

QGIS , .

 

 

PostgreSQL/PostGIS , OGR, fTools, Python. QGIS , , , . GRASS, 400 GRASS.



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