Detailed explanation of calculation command matting _ Detailed explanation of calculation command matting

CAD, a 3D drawing software, is of great help to architectural engineers and can also be used for drawing. So how to dig out the red pattern in the picture below when using CAD? There are three operating methods, which are introduced as follows:

The first method:

Open CAD-click Insert in the menu bar-raster image-select the image to be cut-in the opened image dialog box, click Zoom, cancel "Specify E on the screen", enter the following10000-OK-click Modify, and click Cut in the menu bar.

The second method:

Open CAD- create a new window-insert the picture to be cut-lock the layer-create a new layer-check the red line with the "Draw Line" command and move out to another layer.

The third method:

Open CAD- Open the drawing with the pattern to be cut PL”-“Enter "spl" or "PL"-"Enter" in the command bar to operate.