更改照片图层的属性，让它看起来更好些。
On the layer with the photo, change the layer properties to something that looks good.
你可以选择一个图层或者某些图层，通过用这种方法，仅显示那些层的属性。
You can use this by selecting one layer, or certain layers to show the properties for those layers only.
同时，可以在计算机屏幕上显示各阶段图层及相应的属性数据，可视性强。
Meanwhile, the coverages and their attribute can be shown in the screen, which strengthened the visibility.
详细说明：ArcGISengine二次开发的小程序，功能：添加shp、lyr图层，删除图层，移动图层，更改图例符号，属性查询，鹰眼，C#。
ArcGIS engine secondary development of small procedures, functions: add shp, lyr layer, delete layer, move layers, change the legend symbol, attribute query, Hawkeye, C#.
图层混合属性模式设置成覆盖，然后用画笔工具，选白色，然后去画想要去除紫边的区域。
Set the blending mode to Overlay. With the brush tool, paint white in the mask where you want the correction to occur.
图层混合属性模式设置成覆盖，然后用画笔工具，选白色，然后去画想要去除紫边的区域。
Set the blending mode to Overlay. With the brush tool, paint white in the mask where you want the correction to occur.
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