Package org.geotools.styling

Class SLD

  • public class SLD
extends Object
    Utility class that provides static helper methods for common operations on GeoTools styling objects (e.g. StyledLayerDescriptor, Style, FeatureTypeStyle, Rule, Symbolizer, Stroke and Fill).
    Author:
    Jody Garnett

    • Constructor Detail

      • SLD

        public SLD()

    • Method Detail

      • lineColor

        public static Color lineColor​(LineSymbolizer symbolizer)
        Retrieve linestring color from linesymbolizer if available.
        Parameters:
        symbolizer - Line symbolizer information.
        Returns:
        Color of linestring, or null if unavailable.

      • color

        public static Color color​(Stroke stroke)
        Retrieve the color of a stroke object
        Parameters:
        stroke - a Stroke object
        Returns:
        color or null if stroke was null

      • color

        public static Color color​(Fill fill)
        Retrieve the color of a fill object
        Parameters:
        fill - a Fill object
        Returns:
        color or null if fill was null

      • setLineColour

        public static void setLineColour​(Style style,
                                 Color colour)
        Updates the color for line symbolizers in the current style.

        This method will update the Style in place; some of the symbolizers will be replaced with modified copies.

        Parameters:
        style - the Style object to be updated
        colour - Color to to use

      • setLineColour

        public static void setLineColour​(LineSymbolizer symbolizer,
                                 Color colour)
        Sets the Colour for the given Line symbolizer

      • color

        public static Color color​(LineSymbolizer symbolizer)
        Retrieve color from linesymbolizer if available.
        Parameters:
        symbolizer - Line symbolizer information.
        Returns:
        Color of linestring, or null if unavailable.

      • lineWidth

        public static int lineWidth​(LineSymbolizer symbolizer)
        Retrieve linestring width from symbolizer if available.
        Parameters:
        symbolizer - Line symbolizer information.
        Returns:
        width of linestring, or NOTFOUND

      • width

        public static int width​(Stroke stroke)
        Retrieve the width of a Stroke object.
        Parameters:
        stroke - the Stroke object.
        Returns:
        width or NOTFOUND if not available.

      • size

        public static int size​(Mark mark)
        Retrieve the size of a Mark object
        Parameters:
        mark - the Mark object
        Returns:
        size or NOTFOUND if not available

      • width

        public static int width​(LineSymbolizer symbolizer)
        Retrieve linestring width from symbolizer if available.
        Parameters:
        symbolizer - Line symbolizer information.
        Returns:
        width or NOTFOUND if not available

      • lineOpacity

        public static double lineOpacity​(LineSymbolizer symbolizer)
        Retrieve the opacity from a LineSymbolizer object.
        Parameters:
        symbolizer - Line symbolizer information.
        Returns:
        double of the line symbolizer's opacity, or NaN if unavailable.

      • opacity

        public static double opacity​(Stroke stroke)
        Retrieve the opacity from a Stroke object.
        Parameters:
        stroke - the Stroke object.
        Returns:
        double of the line stroke's opacity, or NaN if unavailable.

      • opacity

        public static double opacity​(RasterSymbolizer rasterSymbolizer)
        Retrieve the opacity from a RasterSymbolizer object.
        Parameters:
        rasterSymbolizer - raster symbolizer information.
        Returns:
        double of the raster symbolizer's opacity, or 1.0 if unavailable.

      • lineLinejoin

        public static String lineLinejoin​(LineSymbolizer symbolizer)
        Retrieves the linejoin from a LineSymbolizer.
        Parameters:
        symbolizer - Line symbolizer information.
        Returns:
        String of the linejoin, or null if unavailable.

      • lineLinecap

        public static String lineLinecap​(LineSymbolizer symbolizer)
        Retrieves the line cap from a LineSymbolizer.
        Parameters:
        symbolizer - Line symbolizer information.
        Returns:
        String of the line stroke's line cap, or null if unavailable.

      • lineDash

        public static float[] lineDash​(LineSymbolizer symbolizer)
        Retrieves the dashes array from a LineSymbolizer.
        Parameters:
        symbolizer - Line symbolizer information.
        Returns:
        float[] of the line dashes array, or null if unavailable.

      • pointGraphic

        public static URL pointGraphic​(Style style)
        Retrieves the location of the first external graphic in a Style object.
        Parameters:
        style - SLD style information.
        Returns:
        Location of the first external graphic, or null if unavailabe.

      • pointMark

        public static Mark pointMark​(Style style)
        Retrieves the first Mark used in a Style object.
        Parameters:
        style - the Style
        Returns:
        the first Mark object or null if unavailable.

      • mark

        public static Mark mark​(PointSymbolizer sym)
        Retrieves the first Mark used in a PointSymbolizer object.
        Parameters:
        sym - the PointSymbolizer
        Returns:
        the first Mark object or null if unavailable.

      • mark

        public static Mark mark​(Graphic graphic)
        Retrieves the first Mark object from the given Graphic object.
        Parameters:
        graphic - the Graphic object.
        Returns:
        a Mark object or null if unavailable.

      • pointSize

        public static int pointSize​(PointSymbolizer symbolizer)
        Retrieves the size of the point's graphic, if found.

        If you are using something fun like symbols you will need to do your own thing.

        Parameters:
        symbolizer - Point symbolizer information.
        Returns:
        size of the graphic or NOTFOUND

      • pointWellKnownName

        public static String pointWellKnownName​(PointSymbolizer symbolizer)
        Retrieves the well known name of the first Mark that has one in a PointSymbolizer object

        If you are using something fun like symbols you will need to do your own thing.

        Parameters:
        symbolizer - Point symbolizer information.
        Returns:
        well known name of the first Mark or null if unavailable.

      • wellKnownName

        public static String wellKnownName​(Mark mark)
        Retrieves the "well known name" of a Mark object.
        Parameters:
        mark - the Mark object
        Returns:
        well known name or null if unavailable.

      • pointColor

        public static Color pointColor​(PointSymbolizer symbolizer)
        Retrieves the color of the first Mark in a PointSymbolizer object. This method is identical to color(PointSymbolizer).

        If you are using something fun like symbols you will need to do your own thing.

        Parameters:
        symbolizer - Point symbolizer information.
        Returns:
        Color of the point's mark, or null if unavailable.

      • setPointColour

        public static void setPointColour​(Style style,
                                  Color colour)
        Sets the Colour for the point symbolizer

      • setPointColour

        public static void setPointColour​(PointSymbolizer symbolizer,
                                  Color colour)
        Sets the Colour for the given point symbolizer
        Parameters:
        symbolizer - the point symbolizer
        colour - the new colour

      • color

        public static Color color​(PointSymbolizer symbolizer)
        Retrieves the color from the first Mark in a PointSymbolizer object.

        If you are using something fun like symbols you will need to do your own thing.

        Parameters:
        symbolizer - Point symbolizer information.
        Returns:
        Color of the point's mark, or null if unavailable.

      • pointWidth

        public static int pointWidth​(PointSymbolizer symbolizer)
        Retrieves the width of the first Mark with a Stroke that has a non-null width.

        If you are using something fun like symbols you will need to do your own thing.

        Parameters:
        symbolizer - Point symbolizer information.
        Returns:
        width of the points border or NOTFOUND if unavailable.

      • pointBorderOpacity

        public static double pointBorderOpacity​(PointSymbolizer symbolizer)
        Retrieves the point border opacity from a PointSymbolizer.

        If you are using something fun like rules you will need to do your own thing.

        Parameters:
        symbolizer - Point symbolizer information.
        Returns:
        double of the point's border opacity, or NaN if unavailable.

      • pointOpacity

        public static double pointOpacity​(PointSymbolizer symbolizer)
        Retrieves the point opacity from a PointSymbolizer.

        If you are using something fun like rules you will need to do your own thing.

        Parameters:
        symbolizer - Point symbolizer information.
        Returns:
        double of the point's opacity, or NaN if unavailable.

      • pointFill

        public static Color pointFill​(PointSymbolizer symbolizer)
        Retrieves the fill from the first Mark defined in a PointSymbolizer.

        If you are using something fun like symbols you will need to do your own thing.

        Parameters:
        symbolizer - Point symbolizer information.
        Returns:
        Color of the point's fill, or null if unavailable.

      • polyWidth

        public static int polyWidth​(PolygonSymbolizer symbolizer)
        Retrieves the outline width from a PolygonSymbolizer

        If you are using something fun like rules you will need to do your own thing.

        Parameters:
        symbolizer - Polygon symbolizer information.
        Returns:
        outline width or NOTFOUND if unavailable.

      • polyColor

        public static Color polyColor​(PolygonSymbolizer symbolizer)
        Retrieves the outline (stroke) color from a PolygonSymbolizer.

        If you are using something fun like rules you will need to do your own thing.

        Parameters:
        symbolizer - Polygon symbolizer information.
        Returns:
        Color of the polygon's stroke, or null if unavailable.

      • setRasterOpacity

        public static void setRasterOpacity​(Style style,
                                    double opacity)
        Updates the raster opacity in the current style

        Note: This method will update the Style in place; some of the rules and symbolizers will be replaced with modified copies. All symbolizers associated with all rules are modified.

        Parameters:
        style - the Style object to be updated
        opacity - - a new opacity value between 0 and 1

      • setChannelSelection

        public static void setChannelSelection​(Style style,
                                       SelectedChannelType[] rgb,
                                       SelectedChannelType gray)
        Updates the raster channel selection in a Style object

        This method will update the Style in place; some of the rules & symbolizers will be replace with modified copies. All symbolizes associated with all rules are updated.

        Parameters:
        style - the Style object to be updated
        rgb - - an array of the new red, green, blue channels or null if setting the gray channel
        gray - - the new gray channel; ignored if rgb is not null

      • setPolyColour

        public static void setPolyColour​(Style style,
                                 Color colour)
        Sets the colour for the first polygon symbolizer defined in the provided style
        Parameters:
        style - the Style object
        colour - the colour for polygon outlines and fill

      • setPolyColour

        public static void setPolyColour​(PolygonSymbolizer symbolizer,
                                 Color colour)
        Sets the colour to use for outline (stroke) and fill in a polygon symbolizer
        Parameters:
        symbolizer - the polygon symbolizer
        colour - the colour for polygon outlines and fill

      • polyFill

        public static Color polyFill​(PolygonSymbolizer symbolizer)
        Retrieves the fill colour from a PolygonSymbolizer.

        If you are using something fun like rules you will need to do your own thing.

        Parameters:
        symbolizer - Polygon symbolizer information.
        Returns:
        Color of the polygon's fill, or null if unavailable.

      • polyBorderOpacity

        public static double polyBorderOpacity​(PolygonSymbolizer symbolizer)
        Retrieves the border (stroke) opacity from a PolygonSymbolizer.

        If you are using something fun like rules you will need to do your own thing.

        Parameters:
        symbolizer - Polygon symbolizer information.
        Returns:
        double of the polygon's border opacity, or NaN if unavailable.

      • polyFillOpacity

        public static double polyFillOpacity​(PolygonSymbolizer symbolizer)
        Retrieves the fill opacity from the first PolygonSymbolizer.

        If you are using something fun like rules you will need to do your own thing.

        Parameters:
        symbolizer - Polygon symbolizer information.
        Returns:
        double of the polygon's fill opacity, or NaN if unavailable.

      • opacity

        public static double opacity​(Fill fill)
        Retrieve the opacity from the provided fill; or return the default.
        Returns:
        opacity from the above fill; or return the Fill.DEFAULT value

      • rasterOpacity

        public static double rasterOpacity​(RasterSymbolizer symbolizer)
        Retrieves the opacity from a RasterSymbolizer.

        If you are using something fun like rules you will need to do your own thing.

        Parameters:
        symbolizer - Raster symbolizer information.
        Returns:
        opacity of the first RasterSymbolizer or NaN if unavailable.

      • rasterOpacity

        public static double rasterOpacity​(Style style)
        Retrieves the opacity from the first RasterSymbolizer defined in a style.
        Parameters:
        style - the Style object
        Returns:
        opacity of the raster symbolizer or NaN if unavailable.

      • textSymbolizer

        public static TextSymbolizer textSymbolizer​(FeatureTypeStyle fts)
        Retrieve the first TextSymbolizer from the provided FeatureTypeStyle.
        Parameters:
        fts - FeatureTypeStyle information.
        Returns:
        TextSymbolizer, or null if not found.

      • textSymbolizer

        public static TextSymbolizer textSymbolizer​(Style style)
        Retrieve the first TextSymbolizer from the provided Style.
        Parameters:
        style - the Style object
        Returns:
        TextSymbolizer, or null if not found.

      • font

        public static Font font​(TextSymbolizer symbolizer)
        Retrieves the font from a TextSymbolizer. Equivalent to symbolizer.getFont().
        Parameters:
        symbolizer - the symbolizer
        Returns:
        the first font defined in the symbolizer or null if unavailable.

      • textLabel

        public static Expression textLabel​(TextSymbolizer symbolizer)
        Retrieves the label from a TextSymbolizer.
        Parameters:
        symbolizer - Text symbolizer information.
        Returns:
        Expression of the label's text, or null if unavailable.

      • textLabelString

        public static String textLabelString​(TextSymbolizer symbolizer)
        Retrieves the label from a TextSymbolizer.
        Parameters:
        symbolizer - Text symbolizer information.
        Returns:
        the label's text, or null if unavailable.

      • textFontFill

        public static Color textFontFill​(TextSymbolizer symbolizer)
        Retrieves the colour of the font fill from a TextSymbolizer.
        Parameters:
        symbolizer - Text symbolizer information.
        Returns:
        Color of the font's fill, or null if unavailable.

      • textHaloFill

        public static Color textHaloFill​(TextSymbolizer symbolizer)
        Retrieves the colour of the halo fill a TextSymbolizer.
        Parameters:
        symbolizer - Text symbolizer information.
        Returns:
        Color of the halo's fill, or null if unavailable.

      • textHaloWidth

        public static int textHaloWidth​(TextSymbolizer symbolizer)
        Retrieves the halo width from a TextSymbolizer.
        Parameters:
        symbolizer - Text symbolizer information.
        Returns:
        the halo's width, or 0 if unavailable.

      • textHaloOpacity

        public static double textHaloOpacity​(TextSymbolizer symbolizer)
        Retrieves the halo opacity from the first TextSymbolizer.
        Parameters:
        symbolizer - Text symbolizer information.
        Returns:
        double of the halo's opacity, or NaN if unavailable.

      • color

        public static Color color​(Expression expr)
        Navigate through the expression finding the first mentioned Color.

        If you have a specific Feature in mind please use: 

        
 Object value = expr.getValue( feature );
 return value instanceof Color ? (Color) value : null;
        Parameters:
        expr - the Expression object
        Returns:
        First available color, or null.

      • rasterSymbolizer

        public static RasterSymbolizer rasterSymbolizer​(FeatureTypeStyle fts)
        Retrieve the first RasterSymbolizer from the provided FeatureTypeStyle.
        Parameters:
        fts - the FeatureTypeStyle information.
        Returns:
        RasterSymbolizer, or null if not found.

      • rasterSymbolizer

        public static RasterSymbolizer rasterSymbolizer​(Style style)
        Retrieve the first RasterSymbolizer from the provided Style.
        Parameters:
        style - the Style object
        Returns:
        RasterSymbolizer, or null if not found.

      • lineSymbolizer

        public static LineSymbolizer lineSymbolizer​(FeatureTypeStyle fts)
        Retrieve the first LineSymbolizer from the provided FeatureTypeStyle.
        Parameters:
        fts - the FeatureTypeStyle object
        Returns:
        LineSymbolizer, or null if not found.

      • lineSymbolizer

        public static LineSymbolizer lineSymbolizer​(Style style)
        Retrieve the first LineSymbolizer from the provided Style.
        Parameters:
        style - the Style object
        Returns:
        LineSymbolizer, or null if not found.

      • stroke

        public static Stroke stroke​(LineSymbolizer sym)
        Retrieves the Stroke from a LineSymbolizer.
        Parameters:
        sym - the symbolizer
        Returns:
        the Stroke or null if not found.

      • stroke

        public static Stroke stroke​(PolygonSymbolizer sym)
        Retrieves the Stroke from a PolygonSymbolizer.
        Parameters:
        sym - the symbolizer
        Returns:
        the Stroke or null if not found.

      • stroke

        public static Stroke stroke​(PointSymbolizer sym)
        Retrieves the Stroke from a PointSymbolizer.
        Parameters:
        sym - the symbolizer
        Returns:
        the Stroke or null if not found.

      • fill

        public static Fill fill​(PolygonSymbolizer sym)
        Retrieves the Fill from a PolygonSymbolizer.
        Parameters:
        sym - the symbolizer
        Returns:
        the Fill or null if not found.

      • fill

        public static Fill fill​(PointSymbolizer sym)
        Retrieves the Fill from a PointSymbolizer.
        Parameters:
        sym - the symbolizer
        Returns:
        the Fill or null if not found.

      • pointSymbolizer

        public static PointSymbolizer pointSymbolizer​(FeatureTypeStyle fts)
        Retrieve the first PointSymbolizer from the provided FeatureTypeStyle.
        Parameters:
        fts - the FeatureTypeStyle object
        Returns:
        PointSymbolizer, or null if not found.

      • pointSymbolizer

        public static PointSymbolizer pointSymbolizer​(Style style)
        Retrieve the first PointSymbolizer from the provided Style.
        Parameters:
        style - the Style object
        Returns:
        PointSymbolizer, or null if not found.

      • polySymbolizer

        public static PolygonSymbolizer polySymbolizer​(FeatureTypeStyle fts)
        Retrieve the first PolygonSymbolizer from the provided FeatureTypeStyle.
        Parameters:
        fts - FeatureTypeStyle object.
        Returns:
        PolygonSymbolizer, or null if not found.

      • polySymbolizer

        public static PolygonSymbolizer polySymbolizer​(Style style)
        Retrieve the first PolygonSymbolizer from the provided Style.
        Parameters:
        style - the Style object
        Returns:
        PolygonSymbolizer, or null if not found.

      • featureTypeStyle

        public static FeatureTypeStyle featureTypeStyle​(Style style,
                                                SimpleFeatureType type)
        Returns the feature type style in the style which matched a particular name.
        Parameters:
        style - the Style object
        type - the feature type (must be non-null)
        Returns:
        The FeatureTypeStyle object if it exists, otherwise false.

      • matchingStyle

        public static Style matchingStyle​(Style[] styles,
                                  SimpleFeatureType schema)
        Returns the first style object which matches a given schema.
        Parameters:
        styles - Array of style objects.
        schema - Feature schema.
        Returns:
        The first object to match the feature type, otherwise null if no match.

      • symbolizer

        protected static Symbolizer symbolizer​(Style style,
                                       Class SYMBOLIZER)
        Retrieve the first Symbolizer from the provided Style.
        Parameters:
        style - SLD style information.
        SYMBOLIZER - LineSymbolizer.class, PointSymbolizer.class, PolygonSymbolizer.class, RasterSymbolizer.class, or TextSymbolizer.class
        Returns:
        symbolizer instance from style, or null if not found.

      • symbolizer

        protected static Symbolizer symbolizer​(FeatureTypeStyle fts,
                                       Class SYMBOLIZER)
        Retrieve the first Symbolizer from the provided FeatureTypeStyle.
        Parameters:
        fts - the FeatureTypeStyle SLD style information.
        SYMBOLIZER - LineSymbolizer.class, PointSymbolizer.class, PolygonSymbolizer.class, RasterSymbolizer.class, or TextSymbolizer.class
        Returns:
        symbolizer instance from fts, or null if not found.

      • colorToHex

        public static String colorToHex​(Color c)
        Convert a Color object to hex representation
        Parameters:
        c - the Color object
        Returns:
        a hex String

      • styles

        public static Style[] styles​(StyledLayerDescriptor sld)
        Get the Styles defined in the given StyledLayerDescriptor
        Parameters:
        sld - the StyledLayerDescriptor object
        Returns:
        an array of Styles

      • featureTypeStyles

        public static FeatureTypeStyle[] featureTypeStyles​(StyledLayerDescriptor sld)
        Get the FeatureTypeStyles defined in the given StyledLayerDescriptor
        Parameters:
        sld - the StyledLayerDescriptor object
        Returns:
        an array of FeatureTypeStyles

      • featureTypeStyle

        public static FeatureTypeStyle featureTypeStyle​(StyledLayerDescriptor sld,
                                                SimpleFeatureType type)
        Retrieve the first FeatureTypeStyle defined in the given StyledLayerDescriptor object that matches the specified feature type
        Parameters:
        sld - a StyledLayerDescriptor object
        type - the feature type to match
        Returns:
        a FeatureTypeStyle or null if there was no match

      • defaultStyle

        public static Style defaultStyle​(StyledLayerDescriptor sld)
        Retrieve the default style from the given StyledLayerDescriptor.
        Parameters:
        sld - the StyledLayerDescriptor object
        Returns:
        the default style; or the first style if no default is defined; or null if there are no styles

      • filters

        public static Filter[] filters​(Rule... rule)
        Retrieves all filters defined in a rule
        Parameters:
        rule - the rule
        Returns:
        array of filters

      • filters

        public static Filter[] filters​(Style style)
        Retrieves all filters defined in a style
        Parameters:
        style - the style
        Returns:
        array of filters

      • rules

        public static Rule[] rules​(Style style)
        Retrieves all rules defined in a style
        Parameters:
        style - the style
        Returns:
        an array of unique rules

      • symbolizers

        public static Symbolizer[] symbolizers​(Style style)
        Retrieves all symbolizers defined in a style
        Parameters:
        style - the style
        Returns:
        an array of unique symbolizers

      • symbolizers

        public static Symbolizer[] symbolizers​(Rule rule)
        Retrieves all symbolizers defined in a rule
        Parameters:
        rule - the rule
        Returns:
        an array of unique symbolizers

      • colors

        public static String[] colors​(Style style)
        Retrieves all colour names defined in a style
        Parameters:
        style - the style
        Returns:
        an array of unique colour names

      • colors

        public static String[] colors​(Rule rule)
        Retrieves all colour names defined in a rule
        Parameters:
        rule - the rule
        Returns:
        an array of unique colour names

      • toHTMLColor

        public static String toHTMLColor​(Color color)
        Converts a java.awt.Color into an HTML Colour
        Parameters:
        color - color to convert
        Returns:
        HTML Color (fill) in hex #RRGGBB

      • toColor

        public static Color toColor​(String htmlColor)
        Convert an HTML colour string to a java.awt.Color object
        Parameters:
        htmlColor - the colour string
        Returns:
        a new Color object

      • isSemanticTypeMatch

        public static boolean isSemanticTypeMatch​(FeatureTypeStyle fts,
                                          String regex)
        Test if the given FeatureTypeStyle object matches a regular expression
        Parameters:
        fts - the feature type style
        regex - regular expression to match
        Returns:
        true if a match is found; false otherwise

      • minScale

        public static double minScale​(FeatureTypeStyle fts)
        Returns the min scale of the default (first) rule
        Parameters:
        fts - the feature type style
        Returns:
        min scale or 0 if no min scale is set

      • maxScale

        public static double maxScale​(FeatureTypeStyle fts)
        Returns the max scale of the default (first) rule
        Parameters:
        fts - the feature type style
        Returns:
        min scale or NaN if no max scale is set

      • getPlacement

        public static PointPlacement getPlacement​(double horizAlign,
                                          double vertAlign,
                                          double rotation)
        Create a PointPlacement object.
        Parameters:
        horizAlign - horizontal alignment (0 to 1)
        vertAlign - vertical alignment (0 to 1)
        rotation - rotation angle in degrees
        Returns:
        a new PointPlacement object

      • createSimpleStyle

        public static Style createSimpleStyle​(DataStore store,
                                      String typeName,
                                      Color color)
                               throws IOException
        Create a minimal style to render features of type typeName read from the given data store
        Parameters:
        store - the data store containing the features
        typeName - the feature type to create the style for
        color - single color to use for all components of the Style
        Returns:
        a new Style instance
        Throws:
        IOException - if the data store cannot be accessed

      • createSimpleStyle

        public static Style createSimpleStyle​(FeatureType type)
        Create a minimal style to render features of type type.
        Parameters:
        type - the feature type
        Returns:
        a new Style instance

      • createSimpleStyle

        public static Style createSimpleStyle​(FeatureType type,
                                      Color color)
        Create a minimal style to render features of type type
        Parameters:
        type - the feature type to create the style for
        color - single color to use for all components of the Style
        Returns:
        a new Style instance
        Throws:
        IOException - if the data store cannot be accessed

      • createPolygonStyle

        public static Style createPolygonStyle​(Color outlineColor,
                                       Color fillColor,
                                       float opacity)
        Create a polygon style with the given colors and opacity.
        Parameters:
        outlineColor - color of polygon outlines
        fillColor - color for the fill
        opacity - proportional opacity (0 to 1)
        Returns:
        a new Style instance

      • createPolygonStyle

        public static Style createPolygonStyle​(Color outlineColor,
                                       Color fillColor,
                                       float opacity,
                                       String labelField,
                                       Font labelFont)
        Create a polygon style with the given colors, opacity and optional labels.
        Parameters:
        outlineColor - color of polygon outlines
        fillColor - color for the fill
        opacity - proportional opacity (0 to 1)
        labelField - name of the feature field (attribute) to use for labelling; mauy be null for no labels
        labelFont - GeoTools Font object to use for labelling; if null and labelField is not null the default font will be used
        Returns:
        a new Style instance

      • createLineStyle

        public static Style createLineStyle​(Color lineColor,
                                    float width)
        Create a line style with given color and line width
        Parameters:
        lineColor - color of lines
        width - width of lines
        Returns:
        a new Style instance

      • createLineStyle

        public static Style createLineStyle​(Color lineColor,
                                    float width,
                                    String labelField,
                                    Font labelFont)
        Create a line style with given color, line width and optional labels
        Parameters:
        lineColor - color of lines
        width - width of lines
        labelField - name of the feature field (attribute) to use for labelling; mauy be null for no labels
        labelFont - GeoTools Font object to use for labelling; if null and labelField is not null the default font will be used
        Returns:
        a new Style instance

      • createPointStyle

        public static Style createPointStyle​(String wellKnownName,
                                     Color lineColor,
                                     Color fillColor,
                                     float opacity,
                                     float size)
        Create a point style without labels
        Parameters:
        wellKnownName - one of: Circle, Square, Cross, X, Triangle or Star
        lineColor - color for the point symbol outline
        fillColor - color for the point symbol fill
        opacity - a value between 0 and 1 for the opacity of the fill
        size - size of the point symbol
        Returns:
        a new Style instance

      • createPointStyle

        public static Style createPointStyle​(String wellKnownName,
                                     Color lineColor,
                                     Color fillColor,
                                     float opacity,
                                     float size,
                                     String labelField,
                                     Font labelFont)
        Create a point style, optionally with text labels
        Parameters:
        wellKnownName - one of: Circle, Square, Cross, X, Triangle or Star
        lineColor - color for the point symbol outline
        fillColor - color for the point symbol fill
        opacity - a value between 0 and 1 for the opacity of the fill
        size - size of the point symbol
        labelField - name of the feature field (attribute) to use for labelling; mauy be null for no labels
        labelFont - GeoTools Font object to use for labelling; if null and labelField is not null the default font will be used
        Returns:
        a new Style instance

      • wrapSymbolizers

        public static Style wrapSymbolizers​(Symbolizer... symbolizers)
        Wrap one or more symbolizers into a Rule / FeatureTypeStyle / Style
        Parameters:
        symbolizers - one or more symbolizer objects
        Returns:
        a new Style instance or null if no symbolizers are provided