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How to Convert an Image to DXF — using Scan2CAD

How To Convert Image To DXF

Suppose you have an archive of great images that you’d like to edit using CAD software. You probably have them saved as raster image files on your computer (such as JPEG or PNG), or even stashed hard-copy versions of that drawing in your drawer! You could trace the drawing from scratch on your vector editing software… or employ a one-click vector conversion application!

Floorplan before and after DXF Conversion - Raster to Vector - Scan2CAD

Here’s a floorplan — before and after conversion! We’ve used Scan2CAD to convert it from a scanned image (left) to an editable vector (right); and saved it as DXF

Converting an image to DXF is as easy as 1,2,3…

It’s as easy as clicking “Save as” and choosing a file type. The computer does all the heavy lifting! Here’s how to convert an image to DXF using Scan2CAD

1. Load your file

Click “File” in the top-left corner of your screen, select “Raster” and “Load”. A file browser dialog box will pop up, in which you’ll locate the image file that you’d like to convert on your computer.
Scan2CAD Raster to vector conversion - Load raster image

2. Choose Image type.

Click “Type” in the toolbar at the top of your screen. You’ll be presented a list of common image types, such as Architectural, Electrical, Contour Map and so on. These are pre-programmed settings for conversion, which can automatically recognize the type of drawing objects in your image file. Electrical schematic drawings contain lots of straight lines while contour maps are full of curves. It’s very much like the photo filters on Instagram – apply Valencia for selfies and Hudson for pictures of city streets.
Scan2CAD Raster to vector conversion - Select type of image (architectural)

3. Convert your image!

This is a brilliant and magical one-click process. All you have to do is select either one of these three buttons, depending on your image type:

  • OCR – for image files that contain only text
  • Vector – for image files that contain only lines and shapes
  • All – for images that contain both text and lines and shapes

The conversion happens almost instantly. Once it’s complete, you’ll see a couple of images overlaid on top of each other. Press “V” to view the Vector image only; press “B” to view both raster and vector. You can use this to play a game of spot-the-difference and check that your conversion is accurate.
Scan2CAD Raster to vector conversion - Convert image

4. Save your new vector file as a DXF file.

Click “File” in the top-left corner of your screen; select “Vector” and “Save as”. Then, choose the folder to save your output files and save your DXF file. Voila! Now, you have a DXF file that you can load and edit on any CAD, CNC or GIS software.
Scan2CAD Raster to vector conversion - Save vector image as DXF

What image file types can you convert to DXF using Scan2CAD?
You can convert almost all raster image types. The complete list is as follows:
  • BMP
  • PNG
  • TIFF
  • JPEG2K
  • JPEG
  • GIF
  • CIT
  • GEM
  • IMG
  • PCX
  • GeoTIFF
  • CALS
  • CAL
  • GP4
  • CG4
  • MIL
Scan2CAD also supports DXF conversion from DWG and PDF, but more on this in another article!


Quick tips on Image Conversion

Raster-to-vector conversion is not always perfect. The quality of your DXF file is highly dependent on the quality of the original raster image.



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3 Responses to How to Convert an Image to DXF — using Scan2CAD

  1. sanjeev kumar Dec 1, 2017 at 9:07 AM #

    best option

  2. abdulrhman Aug 16, 2020 at 10:27 PM #

    Scan2cad how do i get it?

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