Package org.h2gis.functions.io.asc

Class AscRead

java.lang.Object

org.h2gis.api.AbstractFunction

org.h2gis.functions.io.asc.AscRead

All Implemented Interfaces:

org.h2gis.api.Function, org.h2gis.api.ScalarFunction

public class AscRead
extends org.h2gis.api.AbstractFunction
implements org.h2gis.api.ScalarFunction

SQL function to import ESRI ASCII Raster file as points or polygons table.

Author:

Nicolas Fortin (Université Gustave Eiffel 2020)

Field Summary

Fields inherited from interface org.h2gis.api.Function

PROP_NAME, PROP_REMARKS

Fields inherited from interface org.h2gis.api.ScalarFunction

PROP_DETERMINISTIC

Constructor Summary

Constructors

Constructor	Description
AscRead()

Method Summary

Modifier and Type	Method	Description
String	getJavaStaticMethod()
static void	readAscii(Connection connection, String fileName)	Read the ASCII file.
static void	readAscii(Connection connection, String fileName, String tableReference, org.h2.value.Value option)	Read the ASCII file.
static void	readAscii(Connection connection, String fileName, String tableReference, org.locationtech.jts.geom.Geometry envelope, int downScale, boolean extractAsPolygons)	Import a small subset of ASC file.
static void	readAscii(Connection connection, String fileName, String tableReference, org.locationtech.jts.geom.Geometry envelope, int downScale, boolean extractAsPolygons, boolean deleteTable)	Import a small subset of ASC file.
static void	readAscii(Connection connection, String fileName, String tableReference, org.locationtech.jts.geom.Geometry envelope, int downScale, boolean extractAsPolygons, boolean deleteTable, String encoding, int zType)	Import a small subset of ASC file.
static void	readAscii(Connection connection, String fileName, org.h2.value.Value option)	Read the ASCII file.

Methods inherited from class org.h2gis.api.AbstractFunction

addProperty, getProperty, removeProperty

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.h2gis.api.Function

getProperty

Constructor Detail

AscRead

public AscRead()

Method Detail

getJavaStaticMethod

public String getJavaStaticMethod()

Specified by:

getJavaStaticMethod in interface org.h2gis.api.ScalarFunction

readAscii

public static void readAscii(Connection connection,
                             String fileName)
                      throws IOException,
                             SQLException

Read the ASCII file.

Parameters:

connection -

fileName -

Throws:

IOException

SQLException

readAscii

public static void readAscii(Connection connection,
                             String fileName,
                             org.h2.value.Value option)
                      throws IOException,
                             SQLException

Read the ASCII file.

Parameters:

connection -

fileName -

option -

Throws:

IOException

SQLException

readAscii

public static void readAscii(Connection connection,
                             String fileName,
                             String tableReference,
                             org.h2.value.Value option)
                      throws IOException,
                             SQLException

Read the ASCII file.

Parameters:

connection -

fileName -

tableReference -

option -

Throws:

IOException

SQLException

readAscii

public static void readAscii(Connection connection,
                             String fileName,
                             String tableReference,
                             org.locationtech.jts.geom.Geometry envelope,
                             int downScale,
                             boolean extractAsPolygons)
                      throws IOException,
                             SQLException

Import a small subset of ASC file.

Parameters:

connection -

fileName -

tableReference -

envelope - Extract only pixels that intersects the provided geometry envelope, null to disable filter

downScale - Coefficient used for exporting less cells (1 all cells, 2 for size / 2)

extractAsPolygons - If true pixels are converted to polygon. (default false)

Throws:

IOException

SQLException

readAscii

public static void readAscii(Connection connection,
                             String fileName,
                             String tableReference,
                             org.locationtech.jts.geom.Geometry envelope,
                             int downScale,
                             boolean extractAsPolygons,
                             boolean deleteTable)
                      throws IOException,
                             SQLException

Import a small subset of ASC file.

Parameters:

connection -

fileName -

tableReference -

envelope - Extract only pixels that intersects the provided geometry envelope, null to disable filter

downScale - Coefficient used for exporting less cells (1 all cells, 2 for size / 2)

extractAsPolygons - If true pixels are converted to polygon. (default false)

Throws:

IOException

SQLException

readAscii

public static void readAscii(Connection connection,
                             String fileName,
                             String tableReference,
                             org.locationtech.jts.geom.Geometry envelope,
                             int downScale,
                             boolean extractAsPolygons,
                             boolean deleteTable,
                             String encoding,
                             int zType)
                      throws IOException,
                             SQLException

Import a small subset of ASC file.

Parameters:

connection -

fileName -

tableReference -

envelope - Extract only pixels that intersects the provided geometry envelope, null to disable filter

downScale - Coefficient used for exporting less cells (1 all cells, 2 for size / 2)

extractAsPolygons - If true pixels are converted to polygon. (default false)

Throws:

IOException

SQLException