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Updated Using an External Webcam (markdown)

FTC Engineering
2019-10-17 11:35:40 -04:00
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Using-an-External-Webcam.md

@ -44,7 +44,7 @@ The FTC software offers "webcam" versions of its sample Blocks and Java Op Modes
Before editing an Op Mode, verify that the intended configuration (with camera) is active. Also verify that the name referenced in the Op Mode matches the name specified in the configuration file.
## Image Preview
### Image Preview
The FTC apps provide camera preview for ‘stream-enabled’ Op Modes using Vuforia or TensorFlow Object Detection (TFOD).
@ -66,8 +66,12 @@ This option may be used to adjust the camera, with frequent manual image refresh
If you do not see the Camera Stream option in your main menu on your Driver Station, then verify that the Vuforia function is activated before the waitForStart command in your Op Mode. Also make sure you've given the system enough time to initialize the Vuforia software before you check to see if Camera Stream is available.
### External HDMI Monitor
Alternatively, camera output can be viewed on a display monitor or other device plugged into the HDMI port on the REV Control Hub.
<p align="center">[[/images/Using-an-External-Webcam/HDMIMonitor.jpg]]<p>
**Important Note:** While a portable display monitor can be used to view or troubleshoot the camera stream on your Control Hub, teams are not allowed to have a portable display monitor connected to their Control Hub during a match.
For custom streams, advanced users of Android Studio may consult the API documentation for CameraStreamServer#setSource and CameraStreamSource.