This section shows how most common operations are performed in Knotter. Multiple items represent multiple ways to perform the same task.
3.1. Editing | |
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3.1.1. | Insert a node. |
When in Edges and nodes mode, double click on the canvas. | |
When in Edge list mode, left click on the canvas. | |
3.1.2. | Insert edges. |
When in Edges and nodes mode, select some nodes and click Ctrl+L). → ( | |
When in Alt+Shift+L) mode, subsequent nodes are connected automatically with an edge. → ( | |
3.1.3. | Remove nodes. |
Select some nodes and click Del). → ( | |
3.1.4. | Remove edges. |
Bring the edge context menu and click . | |
3.1.5. | Break an edge. |
Insert a node when the edge is highlighted. | |
Bring the edge context menu and click to add nodes where the edge intersects with others. | |
Bring the edge context menu and click to break it in even-length pieces. | |
3.1.6. | Insert a regular polygon. |
3.1.7. | Scale part of the graph. |
Select some nodes and use the handles when Scale mode is active. By default, dragging a handle will set the anchor point to the opposing handle, if you hold Shift the anchor point will be the bounding box center. | |
While dragging or pasting a part of the graph, use the . | |
3.1.8. | Rotate part of the graph. |
Select some nodes and use the handles when Rotate mode is active. Holding Ctrl will snap the rotation to steps of 15° | |
While dragging or pasting a part of the graph, use the . | |
3.1.9. | Flip part of the graph. |
3.1.10. | Merge nodes. |
Select some nodes and click Ctrl+M). → ( | |
3.1.10.1. | Snap to the grid or to a fixed line. |
To grid snapping is performed automatically for new items when the grid is active. | |
Nodes will snap to the grid when are moved (if the grid is active) | |
Both nodes and edges can be snapped to the grid with the context menu. | |
Holding Ctrl in Edge list mode, will snap vertices on a line with a fixed angle. The angle changes with a step of 15° | |
3.2. Style | |
3.2.1. | Change knot style globally. |
Use the Knot style settings to change overall knot appearance, Default node style settings to change style features that can be overridden node-wise | |
3.2.2. | Change the style for a specific node. |
Click on Node style dialog will be shown. → and the | |
3.2.3. | Change the style for selected nodes. |
Use the Selection style dialog. | |
3.2.4. | Remove node specific settings |
Click on → . | |
On the Node style dialog, check . | |
3.3. Configuration | |
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3.3.1. | Configure the grid. |
To move the grid origin, click on and click on the canvas to select the new origin. → | |
3.3.2. | View only the knot line. |
The grid can be toggled with , the graph with → . → The knot can be still be edited when the graph is disabled as the node or edge under the cursor will be displayed. | |
3.3.3. | Improve performance |
Change settings on the preferences dialog. | |