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Update Released: 8.3a

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For information on each update and details of how to download your update please visit the Scan2CAD version log.

Details of Update

 

1. OCR On Exploded Vector Text Supported

What is exploded text.

Exploded text is text made up from a connected combination of either line/bezier/polygon vectors and typically for large/emboldened text a series of connected solid polygon vectors.

Examples of exploded text:-

  • Text made from connected line and polyline vectors. (for clarity the vector end points are displayed with small squares)

  • Bold text made from a series of connected solid polygons. (polygons in gray color in this example and for clarity the polygon edges are highlighted in black)

The above types of text representation are typically found in PDF documents and DXF files that have been produced from CAD packages.

Where a user wishes to change the contents of this type of exploded text they would need to delete all vectors used to represent the text and completely retype the new contents.

The Scan2CAD exploded text to OCR text feature.

Scan2CAD v8.3a now contains the much requested OCR option for converting exploded vector text to ‘proper’ ASCII text.

This new feature is provided via 3 new Scan2CAD OCR Menu options used in the following way.

 1.1. First set the Character Size for the required OCR identification using Menu option:-

OCR > Char Size > Vector 

You will now be prompted to draw a rectangle closely around a group of vectors representing a single character as illustrated below with the dotted line surrounding the G character.

 

1.2. Now window around the required exploded text strings for conversion

 

1.3. Now initiate the OCR conversion using Menu option:-

OCR > OCR Run > Vector or press the F5 function key.

The exploded text will now be converted to editable text as displayed below in the Scan2CAD default mauve text color. The original exploded text will have been removed.

 

1.4. If the OCR conversion was sufficiently inaccurate or for some other reason you wish to return to the original exploded text then use Menu option:-

OCR > UnDo OCR > Vector or press the Ctrl+F5 function key.

The OCR text will be removed and the original exploded text returned.

 

1.5. Other Considerations

  • Whilst exploded text to OCR conversion can be done on the whole vector image, it is advisable to select only those exploded text strings that require conversion for updating as it is possible to unwittingly convert other drawing elements to OCR text thus affecting the drawing integrity.
  • When moving from a block of exploded text to another of a significantly different text height then reset the character size as described in 1 above before proceeding with 2 and 3.
  • If a string contains words of differing colors then before using OCR Run, select Menu option OCR > Split Strings on Space.
  • The UnDo>OCR>Vector applies to the last actioned OCR>Run>Vector only. If the last OCR>Run>Vector produced more than 512 strings then only the last 512 strings of that Run will be UnDone.
  • All other OCR Menu options as used for raster OCR apply equally to vector OCR.

2. OCR Vectors Menu Options added

Details:-

See ‘Exploded vector text to OCR text’ details above

3 OCR vectors actions provided with the following Menu options:-

OCR > Char Size > Vector

OCR > OCR Run > Vector

OCR > UnDo OCR > Vector

3. RunOCRVector Command line command added

Details:-

See ‘Exploded vector text to OCR text’ details above

Converts exploded vector text to OCR ascii text.

Performs OCR > OCR Run > Vector

Usage from Command Line file.

RunOCRVector

No arguments

4. UnDo limit increased

Details:-

The previous limit of 255 UnDo’s is increased to 511

5. LZW decoded buffer size increased

Details:-

A PDF file experienced problems with the LZW decoded buffer size.

Problem now resolved by increasing the buffer size.

6. Rotate Vectors Menu Options added

Details:-

3 rotate vectors actions provided with the following Menu options:-

Vector Edit Menu > Rotate > 90 Degrees Anti-Clockwise

Vector Edit Menu > Rotate > 90 Degrees Clockwise

Vector Edit Menu > Rotate > by Degrees

7. RotateVector Command line command added

Details:-

Performs Vector Edit Menu > Rotate > by Degrees

Usage from Command Line file.

RotateVector

45         [Degrees rotate]

8. RotateRaster  Command line command added

Details:-

Performs same action as Rotate command

Usage from Command Line file.

RotateRaster

90         [Degrees rotate]

9. RunOCRRaster Command line command added

Details:-

Performs same action as RunOCR command

Usage from Command Line file.

RunOCRRaster

No arguments

 

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