nanoCAD Raster - A raster editing software

nanoCAD’s Raster module extends the nanoCAD platform with tools that import, correct, and vectorize raster images.

New in Raster

  • The Raster Module is brand-new to nanoCAD
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Key features

Automatic vectorization


The Raster Module converts raster images into the vector objects by recognizing the following entities: points, lines, arcs, circles, hatches, texts, symbols, and outlines. At the end of the vectorization process, lines, circles, arcs, polylines, and arrowheads are recognized as object types.

Monochrome filtering


The Raster Module offers a rich variety of monochrome filters, such as smoothing, thinning and thickening, removing speckles, filling holes, generating contours, and inverting images. These not only improve image quality, but also reduce the size of raster files significantly.

  • Define custom hatch patterns in *.pat files
  • Draw fully customized arrays of objects
  • Create and calculate plate arrays
  • Design hole charts
  • Perform advanced calculations using the built-in calculator
  • Carry out static beam calculations
  • Calculate geometric properties of user-defined sections

Correcting image geometry


The Raster Module corrects geometric distortions in raster images, whether monochrome, grayscale, or color:

  • Resizing raster images
  • Scaling images and changing resolutions
  • Cropping
  • Deskewing
  • Mirroring along vertical or horizontal axes
  • Rotating to any angle
  • Correcting trapezoidal, parallelogram, and projection distortions through four-point correction

Color reduction and separation


The Raster Module separates objects of different colors (such as roads and rivers) onto their own monochrome layers. The efficiency obtained in using this technique is higher than by making black-and-white scans of color images.

Color correction


The Raster Module’s color correction tools prepare images for subsequent complex operations, such as editing, slicing, and raster-to-vector conversion:

  • True color conversion
  • Grayscale conversion
  • Indexed colors conversion
  • Brightness, contrast, hue, and saturation adjustments
  • Histogram correction
  • Gamma correction
  • Color palette editing (color classifier)

Color filtering


The Raster Module’s color filtering tools prepare images for subsequent operations. Color filtering improves the quality of images after operations that move entities in the image or change the resolution through scaling, alignment, rotation, calibration, and four-point correction. Tools in color filtering include the following:

  • Adaptive Blur
  • Blur
  • Contour sharpness
  • Median

Tutorials

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