Feature symbolization

Symbols.xml is divided in seven parts contained inside the root element <symbolizations>.

Overall structure of the symbols.xml file:

<symbolization>
  <config\>
  <constants\>
  <colors\>
  <points\>
  <lines\>
  <areas\>
  <labels\>
</symbolization>

Symbolization

<symbolization> is the root node of the symbols.xml.

Child element	Description	Properties
config	Configuration settings used when building the map style.	O C
constants	Constant definitions.	O C A
colors	Color definitions.	O C A
points	Point symbol definitions.	O C
lines	Line symbol definitions.	O C
areas	Area symbol definitions.	O C
labels	Font characteristics and label rule definitions.	O C

Config

Child element	Description	Properties
yaxisdirection	Defines the direction of the yaxis for symbols/patterns.	O A

Yaxisdirection

Attribute	Description	Properties
value	up (origo in bottom left corner, y axis pointing up) or down (origon in top left corner, y axis pointing down). Default value is up.

Constants

Child element	Description	Properties
constant	Constant value needed for symbolization.	O R A

Constant

Attribute	Description	Properties
name	String that identifies the constant.
value	The value of the constant.

Example:

<constants>
  <constant name="contour_interval" value="20"/>
</constants>

Colors

The <colors>node contain the color table information. This color table is referenced from the point, line, area and label sections of the symbol.xml file.

Child element	Description	Properties
color	Color value definition.	O R A

Color

Attribute	Description	Properties
Name	String that identifies the color.
Rgba	value defining the red, green, blue and alpha values for the color.

Example:

<colors>
  <color name="black" rgba="0,0,0,255"/>
  <color name="black12" rgba="224,224,224,255"/>
  <color name="cyan" rgba="0,159,218,255"/>
  <color name="cyan4" rgba="242,252,252,255"/>
  <color name="white" rgba="255,255,255,255"/>
</colors>

Points

[[./core_vector_symbolization_points.html|Details Point Symbolization]]

Lines

[[./core_vector_symbolization_lines.html|Details Line Symbolization]]

Areas

[[./core_vector_symbolization_areas.html|Details Area Symbolization]]

Labels

[[./core_vector_symbolization_labels.html|Details Label Symbolization]]