绘图区
Creating objects in the Graphics View
The graphical representation of all created objects (e.g. points, graphs) is displayed in the Graphics View. You can use the tools provided in the 
Tools View to create new objects in the Graphics View.
Tools View to create new objects in the Graphics View.
- Select the Tools View button to open the Tools View.
- Select the tool you would like to use.
- Read the appearing Tooltip to find out how to use the selected tool.
- Apply the selected tool to existing objects or to an empty area of the Graphics View. Note: Necessary auxiliary objects may be created along the way.
Explore the construction...
Editing and deleting objects
Select an object in the Graphics View by clicking or tapping it once. When selected, the object will appear highlighted and the Style Bar appears next to it, offering a selected set of options.
Change color
Use the Change color button to change the color of the object. If the object can be filled (i.e.: polygon, circle) you can change the opacity of the filling by dragging the slider.
Delete Object
Use the Delete button to delete the selected object.
Change color
Use the Change color button to change the color of the object. If the object can be filled (i.e.: polygon, circle) you can change the opacity of the filling by dragging the slider.
Delete Object
Use the Delete button to delete the selected object.Customizing the Graphics View
You can customize the Graphics View using the 
Settings button in the top right corner. Find even more settings by choosing Settings again in the appearing menu.
Settings button in the top right corner. Find even more settings by choosing Settings again in the appearing menu.