Print2CAD 2018 x64 Artificial Intelligence
Supported Methods for Vectorization of Raster Pictures
Print2CAD offers four methods for tracing bitmaps: Centerline Trace, Outline Trace, Combination of Centerline Trace and Outline Trace, and Solidization.
Center Line Tracing
Combination of Center Line and Outline Tracing
Before the application of these methods, the program is using a presorting of raster image pixel areas. Small pixel traces, middle pixel traces, long pixel traces, and field pixel areas, are separated from other raster images and individually and independently vectorized with appropriate parameters and methods. The name of this method is “homogenization of raster images.”
Long Pixel Traces
Middle Pixel Traces
Small Pixel Traces
Vectorization Method 1: Center Line Tracing Method
Center Line Tracing of raster picture structures in PDF images is an essential tool for the construction of geometrical representation of a raster picture in CAD files. The Center Line Tracing method uses unfilled closed and open curves (strokes) and is suitable for tracing technical illustrations, maps, line drawings, and signatures. This method is also referred to as “stroke tracing.”
Vectorization Method 2: Outline Tracing Method
When selecting this option, the outlines of the pixel traces and areas will be converted along the boundary line and smoothed automatically. The Outline Trace method uses curved objects with no outlines and is suitable for tracing clip-art, logos, and photo images. The Outline Trace method is also referred to as “fill” or “contour tracing.” The Outline Trace method offers the following preset styles that are suitable for line art, logos, clip-art, and photo images.
Vectorization Method 3: Center Line Tracing and Outline Tracing Method Combination
When selecting this option, the outline or solid method will be used for small and middle pixel traces areas. The long pixel traces will be used in the center line tracing method. The huge pixel areas will be used in the outline method.
Option: Vectorize Medium Details Using Separate Method
The medium details will be vectorized separately using the method of Outline Tracing or Solid Hatch Creation (Solidization).
Option: Vectorize Small Details Using Separate Method
The small details will be vectorized separately using the method of Center Line Tracing or Solid Hatch Creation (Solidization).
Close Open Pixel Traces
Often older scanned drawings will contain open pixel traces. This setting will prompt the program to close these open spaces. Under “Vectorization 4” the user can select the distance between pixels as Parameter Gap Jump.
Cleanup of Free Pixels
Often older scanned drawings will have free pixels. Selecting this feature will ensure the removal of these unwanted pixels, for a cleaner converted file.
Repair Raster Pictures using Blurring
A good method to repair bad quality scanned images is to blur these images and then convert them into black/white images using the threshold. By blurring, the free pixels are removed, and the holes in the pixel traces are closed.
After Blurring before Vectorization
Double Resolution During Vectorization
The image is vectorized in double resolution. Thus, the small details are better recognized. However, the vectorization time increases significantly, and the vectorization of larger details is of poor quality.
Straight Line Recognition
The horizontal, vertical, and 45 Degrees lines are recognized. This recognition is possible only for Center Line Tracing Method.
Circles and Arcs Recognition
Detection of circles and arcs occurs when a closed polyline fits the parameters required of an arc or circle.
Assign Chromatic Colors to Layers
This setting assigns a separate color to entities from different layers. This way the user can better see the layer separation on the screen.
Enhanced Recognition of Walls in Scans
The program tries to find separate vector and hatch areas from in common pixel traces. If these areas are recognized as Walls they will be vectorized using outline tracing or as solid.
Original Raster Image in PDF
Recognized Walls in DWG
Fill Small Holes in Pixel Traces
This setting fills the small holes in the pixel traces.
Fill all Holes in Pixel Traces
This setting allows all holes in the pixel traces to be filled.
Thicken Pixel Traces
This setting will add a layer of pixels to the outer edge of the pixel trace.
Thin the Pixel Traces
This setting removes one layer of pixels from the outer edge of the pixel trace.
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601 Cleveland St, Suite 310
Clearwater, FL 33755, USA
Phone: (727) 303 0383
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