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Character Encodings
Normally DXF files are in the ANSI_1252 / Win1252 encoding. GDAL/OGR attempts to translate this to UTF-8 when reading and back into ANSI_1252 when writing. DXF files can also have a header field ($DWGCODEPAGE) indicating the encoding of the file. In GDAL 1.8.x and earlier this was ignored but from GDAL 1.9.0 and later an attempt is made to use this to recode other code pages to UTF-8. Whether this works will depend on the code page naming and whether GDAL/OGR is built against the iconv library for character recoding.

In some cases the $DWGCODEPAGE setting in a DXF file will be wrong, or unrecognised by OGR. It could be edited manually, or the DXF_ENCODING configuration variable can be used to override what id will be used by OGR in transcoding. The value of DXF_ENCODING should be an encoding name supported by CPLRecode() (i.e. an iconv name), not a DXF $DWGCODEPAGE name. Using a DXF_ENCODING name of "UTF-8" will avoid any attempt to recode the text as it is read.

как абракадабра

$DWGCODEPAGE на DXF_ENCODING

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