# Show Direction

## <img src="/files/gjXjtdGU015Vfln8DNKA" alt="" data-size="line"> Show Direction

The ShowDir command opens the Direction Analysis control and displays the [direction](https://docs.mcneel.com/rhino/8/help/en-us/popup_moreinformation/curvesurfacedirection.htm) of curves, surfaces, and polysurfaces.

### **Steps**

* Select objects: Direction arrows will be displayed on the object.

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![](https://docs.mcneel.com/rhino/8/help/en-us/image/topic_illustrations/showdir-001.png)

Direction Analysis options

### Parameters

**Show**

* **Direction:** Displays the object's [normal](https://docs.mcneel.com/rhino/8/help/en-us/popup_moreinformation/curvesurfacedirection.htm) direction.
* **U (Surfaces only):** Displays the [u direction](https://docs.mcneel.com/rhino/8/help/en-us/popup_moreinformation/curvesurfacedirection.htm#UVDirections).
* **V (Surfaces only):** Displays the [v direction](https://docs.mcneel.com/rhino/8/help/en-us/popup_moreinformation/curvesurfacedirection.htm#UVDirections).

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![](https://docs.mcneel.com/rhino/8/help/en-us/image/topic_illustrations/showdir-002.png)

**Flip Direction:** Reverses the [direction](https://docs.mcneel.com/rhino/8/help/en-us/popup_moreinformation/curvesurfacedirection.htm).

**Reverse U:** Reverses the surface u direction.

**Reverse V:** Reverses the surface v direction.

**Swap UV:** Switches the u and v directions.

**Direction color:** Set the display color for the direction arrows.\
![](https://docs.mcneel.com/rhino/8/help/en-us/image/general/colorswatch-nospinner.png)

The u and v direction colors are determined by the Options > Appearance > Colors settings for the X axis and Y axis lines.

**Add Objects:** Add objects to the Direction Analysis display.

**Remove Objects:** Remove objects from the Direction Analysis display.

For more information, please refer to the [Rhino documentation](https://docs.mcneel.com/rhino/8/help/en-us/commands/dir.htm).


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