We are going to use oracle as gis database server. We will use AutoCAD Map 3D for creating editing and updating gis data in the database. As database client we will use sqlplusw and sqldeveloper. We will also use GeoRaptor for viewing geometry data in sqldeveloper.
Creating a table with geometry field:
create table kavel(
id varchar2(30 BYTE) [...]
Archive for the ‘GIS’ Category
Oracle for gis
Posted in GIS on January 15, 2009 | Leave a Comment »
GIS file formats
Posted in GIS on July 2, 2008 | Leave a Comment »
A GIS file format is a standard of encoding geographical information into a file. They are created mainly by government mapping agencies (such as the USGS) or by GIS software developers.
Metadata often includes:
Elevation data, either in raster or vector form (e.g., contours)
Shape layers, usually expressed as line drawings, for streets, postal zone boundaries, etc.
Coordinate system [...]
Understanding features in Mapguide
Posted in GIS, Mapguide, tagged GIS, Mapguide on June 20, 2008 | Comments Off
Understanding features is fundamental to being able to use the MapGuide
Web API. Nearly every application will need to interact with feature data in
one form or another.
Features are map objects representing items like roads (polylines), lakes
(polygons), or locations (points).
A feature source is a resource that contains a set of related features, stored in a
file or database. [...]