Package mil.nga.geopackage.tiles.features

Class FeatureTiles

java.lang.Object
mil.nga.geopackage.tiles.features.FeatureTiles
Direct Known Subclasses:
DefaultFeatureTiles
public abstract class FeatureTiles extends Object
Tiles drawn from or linked to features. Used to query features and optionally draw tiles from those features.

  • Field Details

    • WGS_84_PROJECTION

      protected static final Projection WGS_84_PROJECTION
      WGS84 Projection

    • WEB_MERCATOR_PROJECTION

      protected static final Projection WEB_MERCATOR_PROJECTION
      Web Mercator Projection

    • context

      protected final android.content.Context context
      Context

    • featureDao

      protected final FeatureDao featureDao
      Tile data access object

    • projection

      protected Projection projection
      Feature DAO Projection

    • indexManager

      protected FeatureIndexManager indexManager
      When not null, features are retrieved using a feature index

    • featureTableStyles

      protected FeatureTableStyles featureTableStyles
      Feature Style extension

    • tileWidth

      protected int tileWidth
      Tile width

    • tileHeight

      protected int tileHeight
      Tile height

    • compressFormat

      protected android.graphics.Bitmap.CompressFormat compressFormat
      Compress format

    • pointRadius

      protected float pointRadius
      Point radius

    • pointPaint

      protected android.graphics.Paint pointPaint
      Point paint

    • pointIcon

      protected FeatureTilePointIcon pointIcon
      Optional point icon in place of a drawn circle

    • linePaint

      protected android.graphics.Paint linePaint
      Line paint

    • lineStrokeWidth

      protected float lineStrokeWidth
      Line stroke width

    • polygonPaint

      protected android.graphics.Paint polygonPaint
      Polygon paint

    • polygonStrokeWidth

      protected float polygonStrokeWidth
      Polygon stroke width

    • fillPolygon

      protected boolean fillPolygon
      Fill polygon flag

    • polygonFillPaint

      protected android.graphics.Paint polygonFillPaint
      Polygon fill paint

    • heightOverlap

      protected float heightOverlap
      Height overlapping pixels between tile images

    • widthOverlap

      protected float widthOverlap
      Width overlapping pixels between tile images

    • maxFeaturesPerTile

      protected Integer maxFeaturesPerTile
      Optional max features per tile. When more features than this value exist for creating a single tile, the tile is not created

    • maxFeaturesTileDraw

      protected CustomFeaturesTile maxFeaturesTileDraw
      When not null and the number of features is greater than the max features per tile, used to draw tiles for those tiles with more features than the max
      See Also:

    • simplifyGeometries

      protected boolean simplifyGeometries
      When true, geometries are simplified before being drawn. Default is true

    • geodesic

      protected boolean geodesic
      Draw geometries using geodesic lines

    • density

      protected float density
      Tile density based upon the device-independent pixels TileUtils.TILE_DP

  • Constructor Details

    • FeatureTiles

      public FeatureTiles(android.content.Context context, FeatureDao featureDao)
      Constructor
      Parameters:
      context - context
      featureDao - feature dao

    • FeatureTiles

      public FeatureTiles(android.content.Context context, FeatureDao featureDao, boolean geodesic)
      Constructor
      Parameters:
      context - context
      featureDao - feature dao
      geodesic - draw geometries using geodesic lines
      Since:
      6.7.4

    • FeatureTiles

      public FeatureTiles(android.content.Context context, FeatureDao featureDao, float density)
      Constructor
      Parameters:
      context - context
      featureDao - feature dao
      density - display density: DisplayMetrics.density
      Since:
      3.2.0

    • FeatureTiles

      public FeatureTiles(android.content.Context context, FeatureDao featureDao, float density, boolean geodesic)
      Constructor
      Parameters:
      context - context
      featureDao - feature dao
      density - display density: DisplayMetrics.density
      geodesic - draw geometries using geodesic lines
      Since:
      6.7.4

    • FeatureTiles

      public FeatureTiles(android.content.Context context, FeatureDao featureDao, int width, int height)
      Constructor
      Parameters:
      context - context
      featureDao - feature dao
      width - drawn tile width
      height - drawn tile height
      Since:
      3.2.0

    • FeatureTiles

      public FeatureTiles(android.content.Context context, FeatureDao featureDao, int width, int height, boolean geodesic)
      Constructor
      Parameters:
      context - context
      featureDao - feature dao
      width - drawn tile width
      height - drawn tile height
      geodesic - draw geometries using geodesic lines
      Since:
      6.7.4

    • FeatureTiles

      public FeatureTiles(android.content.Context context, GeoPackage geoPackage, FeatureDao featureDao)
      Constructor, auto creates the index manager for indexed tables and feature styles for styled tables
      Parameters:
      context - context
      geoPackage - GeoPackage
      featureDao - feature dao
      Since:
      3.2.0

    • FeatureTiles

      public FeatureTiles(android.content.Context context, GeoPackage geoPackage, FeatureDao featureDao, boolean geodesic)
      Constructor, auto creates the index manager for indexed tables and feature styles for styled tables
      Parameters:
      context - context
      geoPackage - GeoPackage
      featureDao - feature dao
      geodesic - draw geometries using geodesic lines
      Since:
      6.7.4

    • FeatureTiles

      public FeatureTiles(android.content.Context context, GeoPackage geoPackage, FeatureDao featureDao, float density)
      Constructor, auto creates the index manager for indexed tables and feature styles for styled tables
      Parameters:
      context - context
      geoPackage - GeoPackage
      featureDao - feature dao
      density - display density: DisplayMetrics.density
      Since:
      3.2.0

    • FeatureTiles

      public FeatureTiles(android.content.Context context, GeoPackage geoPackage, FeatureDao featureDao, float density, boolean geodesic)
      Constructor, auto creates the index manager for indexed tables and feature styles for styled tables
      Parameters:
      context - context
      geoPackage - GeoPackage
      featureDao - feature dao
      density - display density: DisplayMetrics.density
      geodesic - draw geometries using geodesic lines
      Since:
      6.7.4

    • FeatureTiles

      public FeatureTiles(android.content.Context context, GeoPackage geoPackage, FeatureDao featureDao, int width, int height)
      Constructor, auto creates the index manager for indexed tables and feature styles for styled tables
      Parameters:
      context - context
      geoPackage - GeoPackage
      featureDao - feature dao
      width - drawn tile width
      height - drawn tile height
      Since:
      3.2.0

    • FeatureTiles

      public FeatureTiles(android.content.Context context, GeoPackage geoPackage, FeatureDao featureDao, int width, int height, boolean geodesic)
      Constructor, auto creates the index manager for indexed tables and feature styles for styled tables
      Parameters:
      context - context
      geoPackage - GeoPackage
      featureDao - feature dao
      width - drawn tile width
      height - drawn tile height
      geodesic - draw geometries using geodesic lines
      Since:
      6.7.4

    • FeatureTiles

      public FeatureTiles(android.content.Context context, GeoPackage geoPackage, FeatureDao featureDao, float density, int width, int height)
      Constructor, auto creates the index manager for indexed tables and feature styles for styled tables
      Parameters:
      context - context
      geoPackage - GeoPackage
      featureDao - feature dao
      density - display density: DisplayMetrics.density
      width - drawn tile width
      height - drawn tile height
      Since:
      3.2.0

    • FeatureTiles

      public FeatureTiles(android.content.Context context, GeoPackage geoPackage, FeatureDao featureDao, float density, int width, int height, boolean geodesic)
      Constructor, auto creates the index manager for indexed tables and feature styles for styled tables
      Parameters:
      context - context
      geoPackage - GeoPackage
      featureDao - feature dao
      density - display density: DisplayMetrics.density
      width - drawn tile width
      height - drawn tile height
      geodesic - draw geometries using geodesic lines
      Since:
      6.7.4

  • Method Details

    • close

      public void close()
      Close the feature tiles connection
      Since:
      1.2.7

    • calculateDrawOverlap

      public void calculateDrawOverlap()
      Call after making changes to the point icon, point radius, or paint stroke widths. Determines the pixel overlap between tiles

    • setDensity

      public void setDensity(float density)
      Set the density
      Parameters:
      density - density
      Since:
      3.2.0

    • getDensity

      public float getDensity()
      Get the density
      Returns:
      density
      Since:
      3.2.0

    • setDrawOverlap

      public void setDrawOverlap(float pixels)
      Manually set the width and height draw overlap
      Parameters:
      pixels - overlap pixels

    • getWidthDrawOverlap

      public float getWidthDrawOverlap()
      Get the width draw overlap
      Returns:
      width pixels

    • setWidthDrawOverlap

      public void setWidthDrawOverlap(float pixels)
      Manually set the width draw overlap
      Parameters:
      pixels - overlap pixels

    • getHeightDrawOverlap

      public float getHeightDrawOverlap()
      Get the height draw overlap
      Returns:
      height pixels

    • setHeightDrawOverlap

      public void setHeightDrawOverlap(float pixels)
      Manually set the height draw overlap
      Parameters:
      pixels - overlap pixels

    • getFeatureDao

      public FeatureDao getFeatureDao()
      Get the feature DAO
      Returns:
      feature dao

    • isIndexQuery

      public boolean isIndexQuery()
      Is index query
      Returns:
      true if an index query

    • getIndexManager

      public FeatureIndexManager getIndexManager()
      Get the index manager
      Returns:
      index manager or null
      Since:
      1.1.0

    • setIndexManager

      public void setIndexManager(FeatureIndexManager indexManager)
      Set the index
      Parameters:
      indexManager - index manager
      Since:
      1.1.0

    • getFeatureTableStyles

      public FeatureTableStyles getFeatureTableStyles()
      Get the feature table styles
      Returns:
      feature table styles
      Since:
      3.2.0

    • setFeatureTableStyles

      public void setFeatureTableStyles(FeatureTableStyles featureTableStyles)
      Set the feature table styles
      Parameters:
      featureTableStyles - feature table styles
      Since:
      3.2.0

    • ignoreFeatureTableStyles

      public void ignoreFeatureTableStyles()
      Ignore the feature table styles within the GeoPackage
      Since:
      3.2.0

    • clearCache

      public void clearCache()
      Clear all caches
      Since:
      3.3.0

    • clearStylePaintCache

      public void clearStylePaintCache()
      Clear the style paint cache
      Since:
      3.2.0

    • setStylePaintCacheSize

      public void setStylePaintCacheSize(int size)
      Set / resize the style paint cache size
      Parameters:
      size - new size
      Since:
      3.2.0

    • clearIconCache

      public void clearIconCache()
      Clear the icon cache
      Since:
      3.2.0

    • setIconCacheSize

      public void setIconCacheSize(int size)
      Set / resize the icon cache size
      Parameters:
      size - new size
      Since:
      3.2.0

    • getTileWidth

      public int getTileWidth()
      Get the tile width
      Returns:
      tile width

    • setTileWidth

      public void setTileWidth(int tileWidth)
      Set the tile width
      Parameters:
      tileWidth - tile width

    • getTileHeight

      public int getTileHeight()
      Get the tile height
      Returns:
      tile height

    • setTileHeight

      public void setTileHeight(int tileHeight)
      Set the tile height
      Parameters:
      tileHeight - tile height

    • getCompressFormat

      public android.graphics.Bitmap.CompressFormat getCompressFormat()
      Get the compress format
      Returns:
      compress format

    • setCompressFormat

      public void setCompressFormat(android.graphics.Bitmap.CompressFormat compressFormat)
      Set the compress format
      Parameters:
      compressFormat - compress format

    • getPointRadius

      public float getPointRadius()
      Get the point radius
      Returns:
      point radius

    • setPointRadius

      public void setPointRadius(float pointRadius)
      Set the point radius
      Parameters:
      pointRadius - point radius

    • getPointPaint

      public android.graphics.Paint getPointPaint()
      Get point paint
      Returns:
      point paint

    • setPointPaint

      public void setPointPaint(android.graphics.Paint pointPaint)
      Set the point paint
      Parameters:
      pointPaint - point paint

    • getPointIcon

      public FeatureTilePointIcon getPointIcon()
      Get the point icon
      Returns:
      point icon

    • setPointIcon

      public void setPointIcon(FeatureTilePointIcon pointIcon)
      Set the point icon
      Parameters:
      pointIcon - point icon

    • getLinePaintCopy

      public android.graphics.Paint getLinePaintCopy()
      Get a copy of the line paint, must call setLinePaint(Paint) to update the paint
      Returns:
      line paint
      Since:
      3.2.0

    • setLinePaint

      public void setLinePaint(android.graphics.Paint linePaint)
      Set the line paint
      Parameters:
      linePaint - line paint

    • getLineStrokeWidth

      public float getLineStrokeWidth()
      Get line stroke width
      Returns:
      width
      Since:
      3.2.0

    • setLineStrokeWidth

      public void setLineStrokeWidth(float lineStrokeWidth)
      Set line stroke width
      Parameters:
      lineStrokeWidth - line stroke width
      Since:
      3.2.0

    • getLineColor

      public int getLineColor()
      Get line color
      Returns:
      color
      Since:
      3.2.0

    • setLineColor

      public void setLineColor(int lineColor)
      Set line color
      Parameters:
      lineColor - line color
      Since:
      3.2.0

    • getLineAlpha

      public int getLineAlpha()
      Get line alpha
      Returns:
      alpha
      Since:
      3.2.0

    • setLineAlpha

      public void setLineAlpha(int lineAlpha)
      Set line alpha
      Parameters:
      lineAlpha - line alpha
      Since:
      3.2.0

    • getPolygonPaintCopy

      public android.graphics.Paint getPolygonPaintCopy()
      Get a copy of the polygon paint, must call setPolygonPaint(Paint) to update the paint
      Returns:
      polygon paint
      Since:
      3.2.0

    • setPolygonPaint

      public void setPolygonPaint(android.graphics.Paint polygonPaint)
      Set the polygon paint
      Parameters:
      polygonPaint - polygon paint

    • getPolygonStrokeWidth

      public float getPolygonStrokeWidth()
      Get polygon stroke width
      Returns:
      width
      Since:
      3.2.0

    • setPolygonStrokeWidth

      public void setPolygonStrokeWidth(float polygonStrokeWidth)
      Set polygon stroke width
      Parameters:
      polygonStrokeWidth - polygon stroke width
      Since:
      3.2.0

    • getPolygonColor

      public int getPolygonColor()
      Get polygon color
      Returns:
      color
      Since:
      3.2.0

    • setPolygonColor

      public void setPolygonColor(int polygonColor)
      Set polygon color
      Parameters:
      polygonColor - polygon color
      Since:
      3.2.0

    • getPolygonAlpha

      public int getPolygonAlpha()
      Get polygon alpha
      Returns:
      alpha
      Since:
      3.2.0

    • setPolygonAlpha

      public void setPolygonAlpha(int polygonAlpha)
      Set polygon alpha
      Parameters:
      polygonAlpha - polygon alpha
      Since:
      3.2.0

    • isFillPolygon

      public boolean isFillPolygon()
      Is fill polygon
      Returns:
      fill polygon

    • setFillPolygon

      public void setFillPolygon(boolean fillPolygon)
      Set the fill polygon
      Parameters:
      fillPolygon - fill polygon

    • getPolygonFillPaintCopy

      public android.graphics.Paint getPolygonFillPaintCopy()
      Get the polygon fill paint
      Returns:
      polygon fill paint
      Since:
      3.2.0

    • setPolygonFillPaint

      public void setPolygonFillPaint(android.graphics.Paint polygonFillPaint)
      Set the polygon fill paint
      Parameters:
      polygonFillPaint - polygon fill paint

    • getPolygonFillColor

      public int getPolygonFillColor()
      Get polygon fill color
      Returns:
      color
      Since:
      3.2.0

    • setPolygonFillColor

      public void setPolygonFillColor(int polygonFillColor)
      Set polygon fill color
      Parameters:
      polygonFillColor - polygon fill color
      Since:
      3.2.0

    • getPolygonFillAlpha

      public int getPolygonFillAlpha()
      Get polygon fill alpha
      Returns:
      alpha
      Since:
      3.2.0

    • setPolygonFillAlpha

      public void setPolygonFillAlpha(int polygonFillAlpha)
      Set polygon fill alpha
      Parameters:
      polygonFillAlpha - polygon fill alpha
      Since:
      3.2.0

    • getMaxFeaturesPerTile

      public Integer getMaxFeaturesPerTile()
      Get the max features per tile
      Returns:
      max features per tile or null
      Since:
      1.1.0

    • setMaxFeaturesPerTile

      public void setMaxFeaturesPerTile(Integer maxFeaturesPerTile)
      Set the max features per tile. When more features are returned in a query to create a single tile, the tile is not created.
      Parameters:
      maxFeaturesPerTile - max features per tile
      Since:
      1.1.0

    • getMaxFeaturesTileDraw

      public CustomFeaturesTile getMaxFeaturesTileDraw()
      Get the max features tile draw, the custom tile drawing implementation for tiles with more features than the max at #getMaxFeaturesPerTile
      Returns:
      max features tile draw or null
      Since:
      1.1.0
      See Also:

    • setMaxFeaturesTileDraw

      public void setMaxFeaturesTileDraw(CustomFeaturesTile maxFeaturesTileDraw)
      Set the max features tile draw, used to draw tiles when more features for a single tile than the max at #getMaxFeaturesPerTile exist
      Parameters:
      maxFeaturesTileDraw - max features tile draw
      Since:
      1.1.0
      See Also:

    • isSimplifyGeometries

      public boolean isSimplifyGeometries()
      Is the simplify geometries flag set? Default is true
      Returns:
      simplify geometries flag
      Since:
      2.0.0

    • setSimplifyGeometries

      public void setSimplifyGeometries(boolean simplifyGeometries)
      Set the simplify geometries flag
      Parameters:
      simplifyGeometries - simplify geometries flag
      Since:
      2.0.0

    • isGeodesic

      public boolean isGeodesic()
      Are geometries drawn using geodesic lines? Default is false
      Returns:
      geodesic flag
      Since:
      6.7.4

    • setGeodesic

      public void setGeodesic(boolean geodesic)
      Set the geodestic flag, true to draw geodesic geometries
      Parameters:
      geodesic - draw geodesic geometries flag
      Since:
      6.7.4

    • drawTileBytes

      public byte[] drawTileBytes(int x, int y, int zoom)
      Draw the tile and get the bytes from the x, y, and zoom level
      Parameters:
      x - x coordinate
      y - y coordinate
      zoom - zoom level
      Returns:
      tile bytes, or null

    • drawTile

      public android.graphics.Bitmap drawTile(int x, int y, int zoom)
      Draw a tile bitmap from the x, y, and zoom level
      Parameters:
      x - x coordinate
      y - y coordinate
      zoom - zoom level
      Returns:
      tile bitmap, or null

    • drawTileQueryIndex

      public android.graphics.Bitmap drawTileQueryIndex(int x, int y, int zoom)
      Draw a tile bitmap from the x, y, and zoom level by querying features in the tile location
      Parameters:
      x - x coordinate
      y - y coordinate
      zoom - zoom level
      Returns:
      drawn bitmap, or null

    • queryIndexedFeaturesCount

      public long queryIndexedFeaturesCount(int x, int y, int zoom)
      Query for feature result count in the x, y, and zoom
      Parameters:
      x - x coordinate
      y - y coordinate
      zoom - zoom level
      Returns:
      feature count
      Since:
      1.1.0

    • queryIndexedFeaturesCount

      public long queryIndexedFeaturesCount(BoundingBox webMercatorBoundingBox)
      Query for feature result count in the bounding box
      Parameters:
      webMercatorBoundingBox - web mercator bounding box
      Returns:
      feature count
      Since:
      3.2.0

    • queryIndexedFeatures

      public FeatureIndexResults queryIndexedFeatures(int x, int y, int zoom)
      Query for feature results in the x, y, and zoom level by querying features in the tile location
      Parameters:
      x - x coordinate
      y - y coordinate
      zoom - zoom level
      Returns:
      feature index results
      Since:
      3.2.0

    • queryIndexedFeatures

      public FeatureIndexResults queryIndexedFeatures(BoundingBox webMercatorBoundingBox)
      Query for feature results in the bounding box
      Parameters:
      webMercatorBoundingBox - web mercator bounding box
      Returns:
      feature index results
      Since:
      1.1.0

    • expandBoundingBox

      public BoundingBox expandBoundingBox(BoundingBox boundingBox, Projection projection)
      Create an expanded bounding box to handle features outside the tile that overlap
      Parameters:
      boundingBox - bounding box
      projection - bounding box projection
      Returns:
      bounding box
      Since:
      3.2.0

    • expandBoundingBox

      public BoundingBox expandBoundingBox(BoundingBox webMercatorBoundingBox)
      Create an expanded bounding box to handle features outside the tile that overlap
      Parameters:
      webMercatorBoundingBox - web mercator bounding box
      Returns:
      bounding box
      Since:
      3.2.0

    • expandBoundingBox

      public BoundingBox expandBoundingBox(BoundingBox webMercatorBoundingBox, BoundingBox tileWebMercatorBoundingBox)
      Create an expanded bounding box to handle features outside the tile that overlap
      Parameters:
      webMercatorBoundingBox - web mercator bounding box
      tileWebMercatorBoundingBox - tile web mercator bounding box
      Returns:
      bounding box
      Since:
      3.2.0

    • drawTileQueryAll

      public android.graphics.Bitmap drawTileQueryAll(int x, int y, int zoom)
      Draw a tile bitmap from the x, y, and zoom level by querying all features. This could be very slow if there are a lot of features
      Parameters:
      x - x coordinate
      y - y coordinate
      zoom - zoom level
      Returns:
      drawn bitmap, or null

    • createNewBitmap

      protected android.graphics.Bitmap createNewBitmap()
      Create a new empty Bitmap
      Returns:
      bitmap

    • getWgs84ToWebMercatorTransform

      protected ProjectionTransform getWgs84ToWebMercatorTransform()
      Create a projection transformation from WGS84 to Web Mercator
      Returns:
      transform

    • getProjectionToWebMercatorTransform

      protected GeometryTransform getProjectionToWebMercatorTransform(Projection projection)
      Create a projection transformation from provided projection to Web Mercator
      Parameters:
      projection - projection from
      Returns:
      transform

    • simplifyPoints

      protected List<Point> simplifyPoints(double simplifyTolerance, List<Point> points)
      When the simplify tolerance is set, simplify the points to a similar curve with fewer points.
      Parameters:
      simplifyTolerance - simplify tolerance in meters
      points - ordered points
      Returns:
      simplified points
      Since:
      2.0.0

    • geodesicPath

      protected List<Point> geodesicPath(double maxDistance, List<Point> points)
      When geodesic is enabled, create a geodesic path of points
      Parameters:
      maxDistance - max distance allowed between path points
      points - ordered points
      Returns:
      geodesic path points
      Since:
      6.7.4

    • getFeatureStyle

      protected FeatureStyle getFeatureStyle(FeatureRow featureRow)
      Get the feature style for the feature row and geometry type
      Parameters:
      featureRow - feature row
      Returns:
      feature style

    • getFeatureStyle

      protected FeatureStyle getFeatureStyle(FeatureRow featureRow, GeometryType geometryType)
      Get the feature style for the feature row and geometry type
      Parameters:
      featureRow - feature row
      geometryType - geometry type
      Returns:
      feature style

    • getIcon

      protected android.graphics.Bitmap getIcon(IconRow iconRow)
      Get the icon bitmap from the icon row
      Parameters:
      iconRow - icon row
      Returns:
      icon bitmap

    • getPointPaint

      protected android.graphics.Paint getPointPaint(FeatureStyle featureStyle)
      Get the point paint for the feature style, or return the default paint
      Parameters:
      featureStyle - feature style
      Returns:
      paint

    • getLinePaint

      protected android.graphics.Paint getLinePaint(FeatureStyle featureStyle)
      Get the line paint for the feature style, or return the default paint
      Parameters:
      featureStyle - feature style
      Returns:
      paint

    • getPolygonPaint

      protected android.graphics.Paint getPolygonPaint(FeatureStyle featureStyle)
      Get the polygon paint for the feature style, or return the default paint
      Parameters:
      featureStyle - feature style
      Returns:
      paint

    • getPolygonFillPaint

      protected android.graphics.Paint getPolygonFillPaint(FeatureStyle featureStyle)
      Get the polygon fill paint for the feature style, or return the default paint
      Parameters:
      featureStyle - feature style
      Returns:
      paint

    • isTransparent

      protected boolean isTransparent(android.graphics.Bitmap bitmap)
      Determine if the bitmap is a transparent image (must be in expected tile dimensions)
      Parameters:
      bitmap - bitmap
      Returns:
      true if transparent

    • checkIfDrawn

      protected android.graphics.Bitmap checkIfDrawn(android.graphics.Bitmap bitmap)
      Check if the bitmap was drawn upon (non null and not transparent). Return the same bitmap if drawn, else recycle non null bitmaps and return null
      Parameters:
      bitmap - bitmap
      Returns:
      drawn bitmap or null

    • calculateStylePixelBounds

      public PixelBounds calculateStylePixelBounds()
      Calculate style pixel bounds
      Returns:
      pixel bounds
      Since:
      6.3.0

    • calculateStylePixelBounds

      public PixelBounds calculateStylePixelBounds(float density)
      Calculate style pixel bounds
      Parameters:
      density - display density: DisplayMetrics.density
      Returns:
      pixel bounds
      Since:
      6.3.0

    • drawTile

      public abstract android.graphics.Bitmap drawTile(int zoom, BoundingBox webMercatorBoundingBox, FeatureIndexResults results)
      Draw a tile bitmap from feature index results
      Parameters:
      zoom - zoom level
      webMercatorBoundingBox - web mercator bounding box
      results - feature index results
      Returns:
      tile
      Since:
      2.0.0

    • drawTile

      public abstract android.graphics.Bitmap drawTile(int zoom, BoundingBox webMercatorBoundingBox, FeatureCursor cursor)
      Draw a tile bitmap from feature geometries in the provided cursor
      Parameters:
      zoom - zoom level
      webMercatorBoundingBox - web mercator bounding box
      cursor - feature cursor
      Returns:
      tile
      Since:
      2.0.0

    • drawTile

      public abstract android.graphics.Bitmap drawTile(int zoom, BoundingBox webMercatorBoundingBox, List<FeatureRow> featureRow)
      Draw a tile bitmap from the feature rows
      Parameters:
      zoom - zoom level
      webMercatorBoundingBox - web mercator bounding box
      featureRow - feature row
      Returns:
      tile
      Since:
      2.0.0