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ArcGIS:矢量要素相同字段属性融合的两种方法
2022-07-07 21:50:00 【BetterQ.】
在实际矢量要素编辑过程中,以ArcGIS为例,经常需要对矢量要素所包含的子要素进行合并操作,比如两条线道路要素表示的是同一条道路,却是两个要素。
在ArcGIS中,矢量要素合并大致可分为两种,一种为按照某一字段相同值进行合并,另外一种为手动选择要素合并。
1.按照相同字段值合并
若某一字段相同值均代表某一相同的元素,在进行合并时,可选择按照某一字段融合,选择地理处理–> 融合,在弹出的对话框中,选择要融合的要素和输出路径以及融合所依据的字段,点击确定即可得到融合后的结果。
这样就会对所选字段中相同名称的属性进行融合。
2.手动选择要素合并
如果要素较少或者没有字段相同值可以融合,可以自定义合并要素,通过矢量要素编辑器进行合并,右击需要编辑的图层编辑要素(E),然后选中要融合的字段,然后在编辑器里点击合并(G)…,即可进行要素的合并,完成所有操作后点击保存编辑内容(S)。
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选中所要合并的要素后,在编辑工具条的下拉菜单中找到合并以后点击,即可完成手动合并要素。
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