图元搜索

 FeatureLayer layer = (FeatureLayer)visualMapJ.getMapJ().getLayers().get("cell");<BR>   ArrayList columns = new ArrayList();<BR>   FeatureSet fs = null;
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<P>   TableInfo info = layer.getTableInfo();<BR>            for(int i =0 ; i<info.getColumnCount();i++){<BR>             columns.add(info.getColumnName(i));<BR>            }<BR>   <BR>             DoublePoint dp = new DoublePoint(118.77129,32.02858);<BR>             fs = layer.searchByAttribute(columns,"int_id",new Attribute("531460"),null);<BR>      <BR>          fs = layer.searchAll(columns,null);<BR>            if(fs.getNextFeature()!=null){<BR>             SelectionTheme selTheme = new SelectionTheme("selected cell");<BR>  Selection sel = new Selection();<BR> sel.add(fs);<BR> selTheme.setSelection(sel);<BR> Rendition rend = new RenditionImpl();<BR> rend.setvalue(Rendition.SYMBOL_SIZE,20);<BR> rend.setvalue(Rendition.FILL,Color.BLUE);<BR> selTheme.setRendition(rend);<BR> layer.getThemeList().add(selTheme);<BR>  layer.setSelectable(true);</P>
<P>            }else<BR>             System.out.println("没有查询到结果！");</P>

<P>图元高亮显示的代码起作用</P>

<img src="images/post/smile/dvbbs/em01.gif" />

<P>通过工具选择的图元，是什么事件？什么方法才能得到选择的图元？</P>

<P>问题解决了，rend使用的渲染属性不对。</P>