TerraHS-0.3 Contents Index

Algebras.Base.GeoDatabases

Contents The Polygons class

Description

Module for handling the polygons

Synopsis

class Connection a => GeoDatabases a where open :: a -> IO (Ptr a) close :: Ptr a -> IO () retrieve :: Ptr a -> LayerName -> IO [TeGeoObject] store :: Ptr a -> LayerName -> [TeGeoObject] -> IO Bool errorMessage :: Ptr a -> IO String

The Polygons class

class Connection a => GeoDatabases a where

Methods open :: a -> IO (Ptr a) close :: Ptr a -> IO () retrieve :: Ptr a -> LayerName -> IO [TeGeoObject] store :: Ptr a -> LayerName -> [TeGeoObject] -> IO Bool errorMessage :: Ptr a -> IO String Instances GeoDatabases TeDatabase

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