How to define a coordinate system in a geometry artboard

The geometry artboard is a kind of common mathematics software, its function is very many. Today we are going to show you how to define a coordinate system in a geometry artboard? Defining the coordinate system is the first command in the drawing menu of the geometry artboard, which users can use to create or define a coordinate system: Including coordinates origin, unit length, axis, and so on.          once the good one coordinate system is established or defined, the command entry becomes grayed out and if you want to hide the coordinate system, you need to install the SHIFT key, click the Draw menu, To display the Hide coordinate system command. In addition, the ability of the first command item in the Draw menu is also affected by whether other geometry objects are selected and what geometry is selected before the coordinate system is established or defined.         1. Establishing axes          If no object is selected before the coordinate system is established, the first command item on the Draw menu appears as "define coordinate system"; With the mouse click on it, a coordinate system appears on the artboard: the coordinate origin is at the center of the artboard window and the length is the default length.         2. Defining the Unit circle          If only one circle is selected before the coordinate system is established, the first command item on the Draw menu appears as "Define unit circle", and a coordinate system appears on the artboard with the mouse click: The coordinate origin is at the center, the unit length equals the radius of the circle, and the radius of the circle is changed to change the unit length of the coordinate system.         3. Defining unit Lengths          If only one segment or one measure distance value is selected before the coordinate system is established, the first command item on the Draw menu appears as "define unit length"; A coordinate system appears on the artboard with the mouse click: The coordinate origin is in the center of the artboard window, and the unit length equals the length of the selected segment or the selected metric distance value. Drag the endpoint of a segment to change the unit length in the coordinate system.         4. Defining the coordinate Origin    &NBsp;     If only one point is selected before the coordinate system is established, the first command item on the Draw menu appears as "define origin"; With the mouse click on it, a coordinate system appears on the artboard: The selected point is the coordinate origin, the default unit length.         5. Defining Axes          If you select a point and a segment or a measure distance value before the coordinate system is established, the first command item on the Draw menu displays define unit length; Click it to have a coordinate system on the artboard: The selected point is the coordinate origin, the unit length equals the length of the selected segment, or the selected metric distance value. Drag the endpoint of the segment to change the unit length of the coordinate system.          above describes how to use the Geometry Artboard drawing menu to create or hide a coordinate system. For more tutorials on the coordinate system of the geometry artboard, refer to how the coordinate system is made in any direction of the geometry artboard.        above for reprint content, Original is: http://www.jihehuaban.com.cn/changjianwenti/dingyi-zuobiaoxi.html

How to define a coordinate system in a geometry artboard