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jendy ：
请问我该如何创建标注呢？我是菜鸟啦，能不能该电源代码！！！？
我现在是刚开始学习这个东西，需要做地图标注，但是，对此还不大清楚，有哪位仁兄做过，能不能解释一下，或者给些相关代码呢？非常谢谢了！！！
kitter ：
如果只是要显示地图标注，可以先用mapinfo制作
如果要设置更多的状态，建议先看看《guide》中关于label的一章
jendy ：
谢谢，不过我是对标注属性无法控制哦，比如说，我想标注符号，怎么办？
能给写可参考的源代码吗？或者讲一下关于标注的概念？谢谢仁兄啦：）！！！
uestcwlh ：
public FeatureLayer creatAnnotationFeatureLayer(MapJ mapper)
{
FeatureLayer annotationLayer = null;
AbstractLayer abstractLayer = mapper.getLayers().get("Annotation");
if(abstractLayer != null)
{
annotationLayer = (FeatureLayer)abstractLayer;
}
else
{
String columns[] =
{
"uniqid", "名称"}; int types[] =
{
TableInfo.COLUMN_TYPE_STRING,
TableInfo.COLUMN_TYPE_STRING};
int keys[] = {0}; CoordSys coord = mapper.getDisplayCoordSys();
TableInfoImpl tableInfo = new TableInfoImpl("AnnotationTable",
coord,
columns, types, 2, keys, false);
try
{
AnnotationDataProviderHelper dph = new
AnnotationDataProviderHelper(
tableInfo);
AnnotationTableDescHelper tdh = new AnnotationTableDescHelper(
"AnnotationTable");
LocalDataProviderRef dpr = new LocalDataProviderRef(dph);
annotationLayer = (FeatureLayer) mapper.getLayers().insertLayer(
dpr,
tdh, 0,
"Annotation");
}
catch (Exception e)
{
e.printStackTrace();
}
} return annotationLayer;
} public void drawPoint(MapJ mapper, DoublePoint point, int symnbolType,
String label)
{ FeatureLayer annotationLayer = creatAnnotationFeatureLayer(mapper); Attribute attrib[] = new Attribute[2];
attrib[0] = new Attribute(label);
attrib[1] = new Attribute(label); PrimaryKey pk = new PrimaryKey(attrib[0]); //设置临时图层的标注样式
LabelPropertiesToolkit lpt = new LabelPropertiesToolkit();
LabelProperties lp = lpt.getLabelProperties(annotationLayer); BaseLabelProperties blp = new BaseLabelProperties(lp);
annotationLayer.setLabelProperties(blp);
annotationLayer.setAutoLabel(true); //设置点的样式
RenditionToolkit renditionTool = new RenditionToolkit();
Rendition pointRendition = renditionTool.getFontRendition(symnbolType);
Feature newPoint = null; try
{
newPoint = mapper.getFeatureFactory().createPoint(point,
pointRendition, lp.getRendition(), attrib, pk);
annotationLayer.addFeature(newPoint);
}
catch (Exception e)
{
e.printStackTrace();
}
annotationLayer.setAutoLabel(true); }
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