BackToCAD™ converter features Autodesk® RealDWG technology. DWG and DXF output with 100% Autodesk® compatibility. RealDWG™ DWG or DXF files are very stable and safe.

BackToCAD™ converter is a stand alone program that works independently of all CAD systems.

BackToCAD™ converter is based on a high-capacity PDF, TIFF, JPEG, PLT interpreter and converts files directly to DWG or DXF. The resulting files therefore exhibit a very high degree of accuracy and quality.

BackToCAD™ converter converts PDF, PDF/A-, TIFF, JPEG and files into DWG version 14, 2000 and above, DXF version 12, 2000 and above. All vectors, lines, circles, curves, planes, splines, text and pixel images are transferred into DWG, DXF. The pixel images can be vectorised, embedded or saved into separate files. Special functions generate circles and curves. The PDF layer structure is incorporated or, if this is not available, a layer structure can be created based on the color information. Letters are combined into texts and allocated a CAD text style. Stroke widths and line types are also converted.

BackToCAD™ converter converts colors into DWG, DXF indexed or full RGB colors. BackToCAD™ also supports TTF fonts. For multiple-page PDF documents, you can specify which pages should be converted into DWG or DXF format.

• BackToCAD™ features Autodesk® RealDWG™ technology.
• DWG and DXF output with 100% Autodesk® and other CAD systems compatibility
  
• PDF to DWG or DXF conversion (for all CAD systems)
• TIFF to DWG or DXF conversion (for all CAD systems)
• JPEG to DWG or DXF conversion (for all CAD systems)
• Vectorization of PDF raster images black / white or color
• Conversion into DWG and DXF version 12 - 2009
• Support of PDF Texts
• Support of PDF Layers
   
• Extraction of pixel images as JPEG or TIFF files (optional)
• Reconstruction of circles and arcs
• Rotation and scaling of coordinates
• Zero point optimization
• Reconstruction of layer structure according to color or type of element
• RGB Color conversion
• Start with thousands of files in one run
• High precision of coordinates
• Optimise polylines, generate circles and arcs
• Convert all PDF pages in separate DWG or DXF
• Assign PDF line width to DWG or DXF entities
• Extract embedded raster images from PDF as bmp, jpg, png or gif
• Convert embedded raster images from PDF as solids or lines
• Supports mirrored raster pictures in PDF
• Supports TIFF and JPEG vectorization

A vector graphic is a computer image that is comprised of primitives such as lines, circles, curves and polygons. For example, to save an image of a circle, a vector graphic requires at least two values: the location of the circle's centre and the diameter. In addition to the parameters (form and position) of the primitives, the color, stroke width, various fill patterns and other data that determine the appearance are also provided.

A circle in a pixel image consists of countless pixels that are arranged in a circle, but are independent from each other. The size of the circle cannot be incrementally increased without loss of quality. In contrast with raster graphics, vector graphics can be incrementally scaled and distorted without loss of quality. In addition, with vector graphics the properties of the individual lines, curves and planes remain intact and can be edited at a later stage.

Vectorisations are highly complicated processes that calculate and generate the primitives of a vector graphic from loose pixels. Many PDF, TIFF, JPEG, PLT (HPGL) files contain inserted raster images. TIFF and JPEG files consist solely of raster images. Raster images can be rotated, mirrored, scaled and inserted at any desired location. Many PDF files consist of inserted tiled raster images, which allows the file structure to be fluidly displayed on the screen. Other PDF files, however, are a mix of native PDF elements such as text, circles, lines, etc. and several small raster images.

Vectorising these images in TIFF, JPEG and especially in PDF represents a special challenge, which has been optimally resolved in BackToCAD™ converter .

The BackToCAD™ converter program uses very sophisticated computer methods to convert raster images into lines, circles and curves. Nevertheless, this is a difficult task that is highly dependent on the quality of the raster images. A raster image with sharp transitions between colors and with uninterrupted, thin pixel strings is optimal for vectorisation.