Image Thumbnail¶
The ImageThumbnail device is meant to reduce the input image for preview purposes. It expects an image in input.
It lets the user specify the size of a canvas where the output thumbnail image must fit. It outputs the image downscaled to fit in the specified canvas. Downscaled image is obtained by means of the thumbnail function from the image processing package.
Input to the Device¶
| Property key | Description |
|---|---|
| thumbCanvas | Shape of the canvas where thumbanail must fit [Y, X]
|
| resample | If
True binned pixel are averaged. Set to Falseto spare CPU load, set to True to avoid aliasing.
|
Output of the Device¶
| Property key | Description |
|---|---|
| frameRate | The rate of incoming and outgoing images. It is
refreshed once per second.
|
| ppOutput | The output channel for GUI and pipelines.
Thumbnail image can be found in
data.image. |
| daqOutput | The output channel for DAQ - with reshaped image.
|