Webb13 sep. 2024 · canvas 可增加圖形、文字到畫板,但當位置想要移動時就要回到 Javascript 內修改,所以找了一下有沒有可以直接拖移圖形的方式,發現可以用 isDragging 打開拖移功能並取得圖形的設定值,在點擊圖形時就執行變更設定達到移動的目的。. Webb3 jan. 2015 · 1.shape_length是数据库要素层文件的固有字段,不可更改,所以右键计算是灰色的;. 2.你要理解为什么会出现shape_leng字段,那是因为你之前的数据可能是从数 …
ArcMap如何为Shape文件添加属性字段-百度经验
Webb8 aug. 2012 · 这个不一定,有些工具生成的线要素 Shape_Length是代表实际长度的。 有些则不是。 建议你打开属性表,新建一个字段,右键菜单中使用“计算几何”工具,选长 … WebbArcGIS试图删除字段Shape_Length和Shape_Aread会出现的后果? 在 feature class中 删除这两个东西会出现什么样的后果? 为什么呢? readyboost ext hdd pro tools
ArcGIS Desktop Shape_Length问题 - 百度知道
Webb16 nov. 2024 · File Geodatabase Writer not creating shape_area and Shape_length fields. Hello, The shape_area and Shape_length fields are missing when I write data to a file geodatabase. I've experimented by including these fields from a reader that is at the beginning of the workbench. That seems to work, but shouldnt the writer create these … Webb5. the visual appearance of something or someone; "the delicate cast of his features". 6. the state of (good) health (especially in the phrases `in condition' or `in shape' or `out of … Webb8 nov. 2024 · Currently, I can add a shape to the array, but when I try to remove it (which is based on shape type and area, rather than shape type and dimensions), it will print out that it cannot find the shape. Example: I add a Rectangle with a length of 3 and width of 2. Its area is 6. When I try to remove a Rectangle with an area of 6, it does not ... readyboost software for windows 10