====== Coordinate system (2D) ====== The 2D coordinate system used in the illustrations consists of several elements that can be displayed and modified in the tree view. {{screen:scr_KoordinatenSystem2D.png}} {{screen_EN:scr_AxisTree.png}} ^ Element ^ Description ^ | Axes | Main node in the tree - double-clicking opens the settings for the [[Axes parameters 2D|axes parameters]] | | Background colour | Sets the [[Colour 2D|background colour]] of the window (red circle) | | Grid display | Sets the [[Stroke2d|colour and appearance]] of the background grid (yellow arrow). Clicking on the colour symbol hides and shows the grid again.| | Axis display | Sets the [[Stroke2d|colour and appearance]] of the axes in the x and y directions (green arrow). Clicking on the colour symbol hides and shows the axes again.| | Marker display | Sets the [[Stroke2d|colour and appearance]] of the short markers on the axes (blue arrow). Clicking on the colour symbol hides and shows the markers.| | Font | Sets the [[Font|colour and font]] of the axis labels (magenta arrow). Clicking on the colour symbol hides and shows the text.|