Package 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 Details

    • 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 Details

    • 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