MosaicThe Mosaic module demonstrates the multi-camera functionality of RoboRealm in that each camera can be configured to occupy a certain block within an image mosaic. Using the Mosaic module you can arrange each camera in a lightbox type arrangement of your choosing.
1. Composition - Select the appropriate image to display in the corresponding block within the composed mosaic image. The default selections are
2. Image Size - Select the size of each of the images to be used in the mosaic image. This will auto-populate the width and height sizes below.
3. Resize - Select the scaling technique that is to be used. Pixel resize
is faster and is sharper than other techniques but can cause jaggered
edges on high contrast lines. Bilinear resize will use linear
interpolation to determine the actual resulting pixel values. This
technique is slower but will create smoother more pleasing results.
4. Aspect Ratio - While editing either the pixel size or percent size the module will adjust the width and height to keep the same aspect ratio. To remove this restriction uncheck the "Maintain Aspect Ratio" checkbox.
|4 camera view||2 camera view|
The above example shows 4 cameras looking at the Lego Mindstorms RCX robot. Note the color and quality difference between the images. The second image shows a larger two camera view of the same scene (scaled down for web viewing).
Note - multi-camera view is ONLY available for DirectX compatible devices. VFW does not generically support multiple camera devices and is therefore not compatible with using more than one camera at a time.
For large images you may want to ensure that the resulting image size per composite block is a factor of 2 of the original image. Scaling by a factor of 2 will result in better performance and higher quality results (i.e. for factors of 2 pixel and bilinear modes produce the same results).
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