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add information about expressions support

Stephan Bösch-Plepelits 2014-07-10 18:53:56 -07:00
parent 8f64ba0e3e
commit 2abc848492
1 changed files with 10 additions and 10 deletions
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PointSymbolizer.md

@ -10,16 +10,16 @@ If you want to draw a graphic symbol and a text you would better use a ShieldSym
Some options described here are not available in mapnik versions < 2.0.
| *parameter* | *value* | *default* |
--------------|---------|-----------|
| file | path to image file | none |
| width **(removed)** | px | 4 |
| height **(removed)** | px | 4 |
| type **(removed)** | png tiff svg | none |
| allow-overlap | allow text to overlap the point image; true/false | false |
| opacity | Opacity of the symbolizer: 0.0 - 1.0 | 1.0 |
| transform | [SVG transform](http://www.w3.org/TR/SVG/coords.html#TransformAttribute) | identity |
| ignore-placement | allow subsequent point/shield symbolizers to overlap this symbol; true/false | false |
| *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 svg | none | |
| allow-overlap | allow text to overlap the point image; true/false | false | no |
| opacity | Opacity of the symbolizer: 0.0 - 1.0 | 1.0 | no |
| transform | [SVG transform](http://www.w3.org/TR/SVG/coords.html#TransformAttribute) | identity | mapnik >= 3.0<br>you have to specify transform, but you can use expressions for its parameters, e.g. `"rotate([value1]) scale([value2])"` |
| ignore-placement | allow subsequent point/shield symbolizers to overlap this symbol; true/false | false | no |
## Examples