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DynaPDF.SetSpaceWidthFactor

Sets space width factor.

Component Version macOS Windows Linux Server iOS SDK License
DynaPDF 12.1 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes Paid
MBS( "DynaPDF.SetSpaceWidthFactor"; PDF; Value )   More

Parameters

Parameter Description Example
PDF The PDF reference returned from DynaPDF.New. $pdf
Value The new value to use.
Default is 0.7
0.75

Result

Returns OK or error.

Description

Sets space width factor.
Sets the space width factor that is used by DynaPDF.ExtractText to determine whether the distance between two text records or glyphs should be interpreted as space character.
PDF files do often not contain space characters. Depending on the font type, i.e. fixed pitch or proportional fonts, different default widths are used during text extraction. However, the full space width is mostly too large to find spaces. Therefore, the text extraction algorithm multiplies the default space width with the space width factor to find suitable values.
The default value is 0.7. Increase the value if too many spaces occur in extracted text and decrease the value if too few spaces were found.
The value must be large zero. Although the upper bound is not restricted, values larger than 2 are mostly not meaningful.

Examples

Set a slightly higher factor:

Set Variable [ $r; Value: MBS( "DynaPDF.SetSpaceWidthFactor"; $PDF; 0.75 ) ]

See also

Release notes

Blog Entries

Created 15th February 2022, last changed 15th February 2022


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