geotools使用外部图片

最新推荐文章于 2025-06-27 09:28:03 发布

原创最新推荐文章于 2025-06-27 09:28:03 发布 · 1.1k 阅读

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Style style;
StyleBuilder sb = new StyleBuilder();
Mark circle = (Mark) sb.createMark(StyleBuilder.MARK_CIRCLE, Color.RED);
ExternalGraphic icon;
String filePath = null;
try {
filePath = FileLocator.toFileURL(Platform.getBundle(IAppConstants.APPLICATION_ID)
.getEntry("")).toString()+"icons/rain.gif";; //filePath转换成了绝对路径 file:/E:/pic/rain.gif
} catch (IOException e) {
e.printStackTrace();
}
// icon = sb.createExternalGraphic("file:///E|/Alu/pic/rain.gif", "image/gif"); //可以使用绝对路径
icon = sb.createExternalGraphic(filePath, "image/gif");
// Graphic graph2 = sb.createGraphic(null, circle, null, 1.0, 4.0, 0.0); //使用内部已知图元
Graphic graph2 = sb.createGraphic(icon, null, null, 1.0, 16.0, 0.0); //使用外部图片
PointSymbolizer symbolizer = sb.createPointSymbolizer(graph2);
// PointSymbolizer symbolizer = styleFactory.createPointSymbolizer();
// symbolizer.getGraphic().setSize(filterFactory.literal(10));

// symbolizer.getGraphic().getMarks()[0].setStroke(arg0)
Rule rule = styleFactory.createRule();
rule.setSymbolizers(new Symbolizer[] { symbolizer });
FeatureTypeStyle fts = styleFactory.createFeatureTypeStyle();
fts.setRules(new Rule[] { rule });
style = styleFactory.createStyle();
style.addFeatureTypeStyle(fts);