9 PolygonPatternSymbolizer

Jez Nicholson edited this page 2018-01-23 13:28:56 +00:00

Table of Contents

• Configuration Options
• Examples
• Default
• XML
• Python
• C++

Symbolizer that specifies rendering of an area enclosed by a polygon filling it with a repeated tiff, png, or svg image. An alternative to a PolygonSymbolizer.

Configuration Options

parameter	value	default	accepts expressions
file	path to image file	none	mapnik >= 2.0
width (removed)	px	4
height (removed)	px	4
type (removed)	png tiff	none
comp-op	Compositing	none	no

Examples

Default

FIXME: Add image

XML

    <PolygonPatternSymbolizer file="/path/to/icon.png"/>

Python

    p = PolygonPatternSymbolizer('/path/to/icon.png','png',10,10) # file, type, width, height

mapnik2:

    p = PolygonPatternSymbolizer(PathExpression('/path/to/icon.png'))

C++

    ruly_type rule;
    rule.append(polygon_pattern_symbolizer("path/to/icon.png", "png", 20, 20)); // file, type, width, height