The software has two working states, namely "Default image" and "Region edit" state, which can be simply switched through the icons on the toolbar. In the image state, various image processing functions can be selected. The region editing state is to draw various graphics on the image to form a (group) region. A (group) Region consists of one or a group of elements such as rectangles, rounded rectangles, ellipses, curves, closed curves, polylines and polygons, with adjustable line width and color. When a region is complete, the position, size, color, and line width of elements in the region can be updated, or the region can be saved to a file.
After a region is drawn on the image, various related processes can be performed within the region. Such as quick information extraction, cropping and filling, adjusting brightness and contrast, cutting, copying, pasting, etc.
Now according to the software function interface, the introduction is as follows:
1. State switch
When the software starts, the default state is "Default" image mode, which supports various image processing operations. To draw an area on the image, you must click the "Region edit" icon on the toolbar to toggle the state. The default selection after switching is to draw a rectangle.
2. Region drawing
When starting to draw, right-click the mouse button on the image to pop up the menu, select "Create a group region", and click the left mouse button to start drawing a rectangle. Multiple rectangles can be drawn continuously, that is, a group of rectangles. You can also use the mouse to select other graphic drawings at any time.
3. Update position and size
When drawing rectangles, rounded rectangles, and ellipses, you can move the position of the last drawn box by pressing the keyboard up, down, left, right, Home, End, PageUp, PageDown keys. Increase or decrease the size of the last drawn box by pressing the Shift key in combination with the above keys. In the same way, move the position of the last point of the curve, closed curve, polyline and polygon through the keys of up, down, left and right, Home, End, PageUp, PageDown keys on the keyboard.
4. Delete and Complete
During drawing, corresponding to the selected graph on the toolbar, click the right mouse button to pop up a menu, and the selection results are as follows:
"Delete last point" can delete the last point of the current drawing. Continuous operation can delete all graphics.
"Delete current region" can delete all the content of the current drawing at one time.
"Complete current region" is to end the drawing of the current graphics group and make it editable and updateable.
"Complete all region" is to end the drawing of all current graphics groups and enter the editable and update state.
The function of "Show data points (On)" is to display a small dot at the editable node when drawing a graph, which is red when drawing, and white when editing and updating status. Tap repeatedly to turn off the display of small dots.
5.
Edit and update region After the graph is drawn, move the mouse to the graph data point and drag the left button to change the position and size of all graphs. Click the right mouse button to pop up the menu, select "Delete this point" to delete the graphic point, click "Delete this region" to delete the entire graphic group. Click "Update this region" to enter the editing state, and select the "Color" button or the "Line width" drop-down option on the toolbar to change the line width and color.
6. Clear region
Under "Region" in the main menu, click the "Delete region" menu item, or select the "Delete region" button on the toolbar to delete all area data.
7. Save and load regions
Under "Region" in the main menu, click the "Save (Region file)" menu item to save all the current drawing areas to a file. Click the "Open (Region file)" menu item to load and restore all graphics area data.
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