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Simplified extended textual header formatting.

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This commit is contained in:
Robert Smallshire
2015-01-29 09:43:43 +01:00
parent 2e342e5277
commit 7bad88ce57
1 changed files with 6 additions and 4 deletions
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segpy/writer.py
+6 -4
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@@ -27,12 +27,16 @@ def write_segy(fh,
One such legitimate object would be a SegYReader instance.
encoding: Optional encoding for text data. Typically 'cp037' for EBCDIC or 'ascii' for ASCII. If ommited, the
encoding: Optional encoding for text data. Typically 'cp037' for EBCDIC or 'ascii' for ASCII. If omitted, the
seg_y_data object will be queries for an encoding property.
endian: Big endian by default. If omitted, the seg_y_data object will be queried for an encoding property.
progress: An optional progress bar object.
Raises:
UnsupportedEncodingError: If the specified encoding is neither ASCII nor EBCDIC
UnicodeError: If textual data provided cannot be encoded into the required encoding.
"""
encoding = encoding or (hasattr(seg_y_data, 'encoding') and seg_y_data.encoding) or ASCII
@@ -40,11 +44,9 @@ def write_segy(fh,
if not is_supported_encoding(encoding):
raise UnsupportedEncodingError("Writing SEG Y", encoding)
extended_header_pages = format_extended_textual_header(seg_y_data.extended_textual_header, encoding, include_text_stop=True)
write_textual_reel_header(fh, seg_y_data.textual_reel_header, encoding)
write_binary_reel_header(fh, seg_y_data.binary_reel_header, endian)
write_extended_textual_headers(fh, extended_header_pages, encoding)
write_extended_textual_headers(fh, seg_y_data.extended_textual_header, encoding)
trace_header_format = compile_trace_header_format(endian)