mil.nga.geopackage.tiles.features

Class FeaturePreview

java.lang.Object

mil.nga.geopackage.tiles.features.FeaturePreview

public class FeaturePreview
extends Object

Feature Preview for drawing a preview tile from a feature table

Since:

3.5.0

Constructor Summary

Constructors

Constructor and Description
FeaturePreview(Context context, GeoPackage geoPackage, FeatureDao featureDao) Constructor
FeaturePreview(Context context, GeoPackage geoPackage, String featureTable) Constructor
FeaturePreview(GeoPackage geoPackage, FeatureTiles featureTiles) Constructor

Method Summary

Modifier and Type	Method and Description
void	addColumn(String column) Add a query column
void	addColumns(Collection<String> columns) Add query columns
void	addColumns(String[] columns) Add query columns
void	appendWhere(String where) Append to the where clause
void	close() Close the feature tiles connection
Bitmap	draw() Draw a preview image
double	getBufferPercentage() Get the buffer percentage for drawing empty non features edges (i.e.
Set<String>	getColumns() Get the query columns
FeatureTiles	getFeatureTiles() Get the feature tiles
GeoPackage	getGeoPackage() Get the GeoPackage
Integer	getLimit() Get the feature query limit
String	getWhere() Get the where clause
String[]	getWhereArgs() Get the where arguments
boolean	isManual() Is manual bounding box query enabled for non indexed and empty contents bounds feature tables
void	setBufferPercentage(double bufferPercentage) Set the buffer percentage for drawing empty non features edges (i.e.
void	setLimit(Integer limit) Set the feature query limit
void	setManual(boolean manual) Set the manual bounding box query flag for non indexed and empty contents bounds feature tables
void	setWhere(String where) Set the where clause
void	setWhereArgs(String[] whereArgs) Set the where arguments

Methods inherited from class java.lang.Object

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

Constructor Detail

FeaturePreview

public FeaturePreview(Context context,
                      GeoPackage geoPackage,
                      String featureTable)

Constructor

Parameters:

context - context

geoPackage - GeoPackage

featureTable - feature table

FeaturePreview

public FeaturePreview(Context context,
                      GeoPackage geoPackage,
                      FeatureDao featureDao)

Constructor

Parameters:

context - context

geoPackage - GeoPackage

featureDao - feature DAO

FeaturePreview

public FeaturePreview(GeoPackage geoPackage,
                      FeatureTiles featureTiles)

Constructor

Parameters:

geoPackage - GeoPackage

featureTiles - feature tiles

Method Detail

getGeoPackage

public GeoPackage getGeoPackage()

Get the GeoPackage

Returns:

GeoPackage

getFeatureTiles

public FeatureTiles getFeatureTiles()

Get the feature tiles

Returns:

feature tiles

isManual

public boolean isManual()

Is manual bounding box query enabled for non indexed and empty contents bounds feature tables

Returns:

manual flag

setManual

public void setManual(boolean manual)

Set the manual bounding box query flag for non indexed and empty contents bounds feature tables

Parameters:

manual - manual flag

getBufferPercentage

public double getBufferPercentage()

Get the buffer percentage for drawing empty non features edges (i.e. 0.1 equals 10% buffer edges)

Returns:

buffer percentage (greater than or equal to 0.0 and less than 0.5)

setBufferPercentage

public void setBufferPercentage(double bufferPercentage)

Set the buffer percentage for drawing empty non features edges (i.e. 0.1 equals 10% buffer edges)

Parameters:

bufferPercentage - buffer percentage (greater than or equal to 0.0 and less than 0.5)

getColumns

public Set<String> getColumns()

Get the query columns

Returns:

columns

addColumns

public void addColumns(Collection<String> columns)

Add query columns

Parameters:

columns - columns

addColumns

public void addColumns(String[] columns)

Add query columns

Parameters:

columns - columns

addColumn

public void addColumn(String column)

Add a query column

Parameters:

column - column

getWhere

public String getWhere()

Get the where clause

Returns:

where

setWhere

public void setWhere(String where)

Set the where clause

Parameters:

where - where

appendWhere

public void appendWhere(String where)

Append to the where clause

Parameters:

where - where

getWhereArgs

public String[] getWhereArgs()

Get the where arguments

Returns:

where args

setWhereArgs

public void setWhereArgs(String[] whereArgs)

Set the where arguments

Parameters:

whereArgs - where arguments

getLimit

public Integer getLimit()

Get the feature query limit

Returns:

limit

setLimit

public void setLimit(Integer limit)

Set the feature query limit

Parameters:

limit - limit

draw

public Bitmap draw()

Draw a preview image

Returns:

preview image

close

public void close()

Close the feature tiles connection