Background
It is used for visualization or for digitization of points.
Image
| Visible |
Select to display or not the background picture. |
| <Open> |
Drag and Drop file (bmp, gif, jpg, wmf, emf) or click button. |
| <Paste> |
An image stored on the Windows Clipboard as bitmap is pasted into your outline. |
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| <Save As> |
Saves your background picture file to disk. All filters you selected are applied. |
| <Copy> |
The background picture is placed on the Windows Clipboard as bitmap image, and may be pasted in elsewhere. |
| <Default> |
Restores parameters (filters, placement) used by default. |
Filters
| Black and White |
The image is converted to black and white. |
| Negative |
The image is converted to a reversed color version of the original. |
| To Grayscale |
The image is converted to grayscale. |
| Sharpen |
Apply the sharpen filter. |
| Edge Detection |
Finds the main lines in an image and replaces their color with the opposite color, at the same time most fill colors are darkened, making them like a background. |
| Median Filter |
Causes a group of pixels to have the brightness of the average pixel in that group. |
| Threshold |
Move the setting up, to exclude pixels with high brightness. |
| Neighbors |
Move the setting up, to exclude single pixels. |
Placement
| Resize to plot |
Select to resize or not the background picture on whole size of plot. |
| On page center |
Select to draw the background picture on page center or on left upper corner. |
| Vertical Flip |
The image turns upside-down. |
| Horizontal Flip |
The image turns side-to-side, as in a mirror. |
| Rotate 90 |
The image turns 90 degrees. |
| Rotate |
This allows you to enter an angle (in tenths of degrees, range: -900 - +900) for the image rotation, |
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