# TOUCH_INVALID_TEXCOORD

*LSL constant*

```lsl
vector TOUCH_INVALID_TEXCOORD = <-1.0, -1.0, 0.0>;
```

Value returned by llDetectedTouchUV and llDetectedTouchST when the touch position is not valid.

Returned by [llDetectedTouchUV](/functions/llDetectedTouchUV/) and [llDetectedTouchST](/functions/llDetectedTouchST/) when the [touch position](https://wiki.secondlife.com/wiki/LSL_Touch_Position) is not valid.

## History

- Introduced in SVN:1167 r96080 Branch:viewer_1-21-2 Tuesday, 09 September 2008
- Merged into Trunk SVN:1169 r96492 Trunk Thursday, 11 September 2008

## See also

### Functions

- [llDetectedTouchUV](/functions/llDetectedTouchUV/)
- [llDetectedTouchST](/functions/llDetectedTouchST/)

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*Source: [TOUCH INVALID TEXCOORD](https://wiki.secondlife.com/wiki/TOUCH_INVALID_TEXCOORD) on the Second Life Wiki. Content from the Second Life Wiki article TOUCH INVALID TEXCOORD (revision 95327, 2008-10-12), CC BY-SA 3.0.*

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From lsl.dev: https://lsl.dev/constants/TOUCH_INVALID_TEXCOORD/