> For the complete documentation index, see [llms.txt](https://docs.k2geospatial.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.k2geospatial.com/en2/jmap-server-extensions/edition/jmap-edition-user-guide/i-wish-to.../edit-layers-geometries/node-and-polygon-operations.md).

# Node and Polygon Operations

Node operations allow you to add, move, and delete the nodes of editable elements.

## Move nodes

Allows you to move one or more nodes of the selected editable elements. Note that this tool also allows you to select elements. To move a node :

1. Enable the tool by clicking on ![](/files/3gs8giRQs6zGRQPRugmA).
2. Position the cursor close to the node and it will be highlighted.
3. Drag and drop the node to the desired position.\
   ![](/files/JQXwfZVaFCzdIyhfqH8p)

To move several nodes simultaneously while maintaining the topology:

1. Enable the tool by clicking on ![](/files/3gs8giRQs6zGRQPRugmA).
2. Select the desired element(s).

   ![img](/files/sr5skRAo1Xmr10gCG835)
3. Press and hold the **SHIFT** key and select the nodes that must be moved by clicking or drawing a box. The selected nodes will be highlighted.

   ![img](/files/tLHYr2MelM7T5Bful1yr)
4. Drag and drop the selected nodes to the desired position. All selected nodes are moved simultaneously.

   ![img](/files/7AZYdgEwGKVhU57JmLXX)

## Add node

Allows you to add a new node to a selected editable element. Note that this tool also allows you to select elements.

1. Click on ![](/files/yH92N5vHMokm2b2yiaHD) to enable the tool.
2. Position the mouse pointer on one side of the element and a yellow dot will appear to show the position of the new node.
3. Click to confirm.

## Delete node

Allows you to delete an existing node from the selected editable object. Note that this tool also allows you to select elements.

1. Click on ![](/files/I8SjnRyjkpxHCfFixWom) to enable the tool.
2. Bring the pointer near the node to be deleted and it will be highlighted.
3. Click to confirm.

## Rotate lines and polygons

Allows you to rotate polygon and line elements around their center.

1. Click on ![](/files/23EJ1wzb2h16daVWRc0x) to enable the tool.
2. Select one of the element's points.
3. Rotate it.
4. Release the point when you reach the desired position.

<figure><img src="/files/Ch06QMfq6Sp8M9Wz1WnO" alt=""><figcaption></figcaption></figure>