Bitmap to vector method commonly used (a)
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The vector graphics consist of vector outlines and vector patches. The file size is determined by the complexity of the image. It is independent of the size of the graphics. Common formats are .ai, .cdr, .fh., swf, etc. At present, vector graphics are favored by many designers with their clear outline, bright colors, especially arbitrarily scalable, and maintaining the visual quality of the image.
If you are good at drawing, of course, the best, but after all, not everyone can draw very well, there are not many ready-made vector images found on the Internet, so many people will choose to convert the bitmap into a vector. There are a lot of design software that can do this work. Today we will focus on several common methods of bitmap to vector.
Photoshop articles
Photoshop's strengths are professional image processing, but it's also possible to turn bitmaps into vector graphics. Below we use Photoshop to process a picture to understand the specific steps of a simple method of converting a bitmap into a vector.
The first step: simply use the selection path to process the bitmap as a vector.
Select "Index Color" in "Mode" under the "Image" menu to bring up the "Index Color" setting dialog box. Set the parameters below, the palette selects "local (adaptive)", the color is "3", forcibly select "black and white", other parameters are default values.
After determining the settings, the resulting image is black and white.
In the toolbox, the color of the white color on the image is absorbed by the pipette tool. This step is very important, and the desired effect is not obtained when the "color range" is not processed.
Next, select the “Color Range” option under the “Select” menu to pop up the “Color Range” dialog box, then select “Sampling Color” and set the value of “Color Tolerance” to 51.
Now see that the blank position on the image has been selected.
What we need is the outline part of the image, instead of removing the white, hold down the keyboard Ctrl+Shift+I, select the outline part, find the “Path” panel, select the “Add the selection as path” button, add one The new path. Finally we copy the path, create a new file, paste the path to get an editable vector.
Step 2: Carefully edit the initial path obtained by the adjustment.
Now we can edit on the converted vector, select the node tool in the toolbox, and view all the nodes on the graph.
In this way, you can modify the appearance of the image by using the Add Node, Delete Node, Transform Node, etc. tools of the adjustment node.
After making a slight modification of the outline of the press, it is ready to add color to it. Use the Transform Node tool to select a location, then click the Load Selected Nodes button on the Paths panel. The area of the selected node is now selected.
Next select a color in the palette and use the Paint Bucket tool to add the color of the selected area. Following this step, we can just re-create it by adding your favorite color to the image.