CGRAPH - Mathematische Grafiken

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====== Functions of the graphic display with two windows (3D) ======

CGRAPH displays 3D objects in a view where the origin (0/0/0) always remains in the centre of the image. The origin therefore always remains part of the image; for example, you cannot zoom out beyond it to get to ‘the other side’ of the image. In addition, the z-axis is always oriented upwards in the default setting for a better overview. The **//display//** of graphics offers several options for modification.

{{screen_EN:scr_Graphics3DDual.png}}

^ Element ^ Description ^
| Tree view (red arrow)| In this view, to the left of the actual graphic display, you will find all the important parameters for the individual graphics as well as settings for [[Axes3d|colours and appearance of the coordinate system]]. |
| Function bar (green arrows)| Contains buttons for enlarging and reducing the view, for printing, and an option to remove the display|
| Angle settings (magenta arrows)| Here you can adjust the rotation angles of the **//original image//** and the **//transformed image//**.|
| Status bar (yellow arrows)| Contains a function for automatic, animated rotation of the graphic .|
| Parameters (blue arrow))| Contains the option to change a parameter. For information on how to adjust a parameter, see [[bedienungparameterr|Notes on changing the parameter in the graphic display]].|

===== Function bar =====

The function bar (green arrows) provides buttons for quickly changing the display, printing and closing the graphic as a whole. 

^Symbol^Description^
|{{symbol:icon_LupePlus.png?64x64}}|Enlarges the section (zooms in) by a factor of 2|
|{{symbol:icon_LupeMinus.png?64x64}}|Reduces the section (zoom out) by a factor of 2|
|{{symbol:icon_LupeGleich.png?64x64}}|Restores the initial section by resetting the scale and rotation angle to the values specified in the [[3D graphics|settings]].|
|{{symbol:icon_Drucker.png?64x64}}|Opens the printer selection and prints the current view according to the general [[printing_and_exporting|settings]]. Right-clicking on this icon opens additional settings.|
|{{symbol:icon_closeall.png?64x64}}|Closes the current tab and thus the graphic display and all associated default pages.|

**//Zooming in//** brings you closer to the centre. This also allows you to ‘dive into’ graphics and then visually ‘look around’ inside them.

The **//scaling//** can also be changed using the mouse wheel.

If the **//Original image linked//** field is selected, the original image is controlled via the **//Transformed image//** controls. The rotation, tilt angle and scaling are then always the same for both images. If this field is selected, both images are automatically rotated when **//Rotating around the z-axis//**.
 

===== Changing the rotation angles =====

CGRAPH provides two angles that can be adjusted:

^Angle^Description^
|Rotation|Sets the rotation angle around the z-axis. This rotation angle can also be changed automatically with the **//Rotate around z-axis//** switch|
|Tilt|Displays the tilt angle of the x-y plane to the z-axis. This allows the graphic to be viewed from above and below.|

===== Status bar =====

The status bar has three elements

^ Element ^ Description ^
| Left field | Button for starting and stopping automatic rotation to the right |
| Middle field | Slider for adjusting the speed of automatic rotation|
| Right field (blue arrow)| Contains information or the option to change a parameter |

[[transformationbasis3d|Back to overview]]