http://fileformats.archiveteam.org/index.php?action=history&feed=atom&title=Eyeglass_file_format_%28Ross_Spencer%29 2026-05-13T01:01:37Z Revision history for this page on the wiki MediaWiki 1.19.2 http://fileformats.archiveteam.org/index.php?title=Eyeglass_file_format_(Ross_Spencer)&diff=49968&oldid=prev 2025-02-06T12:51:58Z

<p>Add Wikidata and fix spelling</p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 12:51, 6 February 2025</td> </tr><tr><td colspan="2" class="diff-lineno">Line 3:</td> <td colspan="2" class="diff-lineno">Line 3:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|subcat=Health and Medicine</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|subcat=Health and Medicine</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|extensions={{ext|eygl}}</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|extensions={{ext|eygl}}</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">|wikidata={{wikidata|Q105858419}}</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>}}</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>}}</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>The '''Eyeglass file format''' is an example file format developed by digital preservation researcher Ross Spencer to illustrate the process of creating file formats. It is not known to have been put to any actual use in the optical industry, but might be capable of doing so, as it encodes the standard pieces of information which are part of an eyeglass prescription.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>The '''Eyeglass file format''' is an example file format developed by digital preservation researcher Ross Spencer to illustrate the process of creating file formats. It is not known to have been put to any actual use in the optical industry, but might be capable of doing so, as it encodes the standard pieces of information which are part of an eyeglass prescription.</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 8:</td> <td colspan="2" class="diff-lineno">Line 9:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>Spencer wrote a blog post explaining the choices that went into devising the file format, and created a Github site hosting some [[Python]] code and a sample data file.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>Spencer wrote a blog post explaining the choices that went into devising the file format, and created a Github site hosting some [[Python]] code and a sample data file.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>== File <del class="diffchange diffchange-inline">indentification </del>==</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>== File <ins class="diffchange diffchange-inline">identification </ins>==</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>Files begin with the hex bytes &lt;code&gt;BB 0D 0A 65 79 65 67 6C 61 73 73 1A 0A AB&lt;/code&gt;, and ends with &lt;code&gt;BB 65 6f 66&lt;/code&gt;.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>Files begin with the hex bytes &lt;code&gt;BB 0D 0A 65 79 65 67 6C 61 73 73 1A 0A AB&lt;/code&gt;, and ends with &lt;code&gt;BB 65 6f 66&lt;/code&gt;.</div></td></tr> </table>

Ross-spencer http://fileformats.archiveteam.org/index.php?title=Eyeglass_file_format_(Ross_Spencer)&diff=46269&oldid=prev 2023-11-06T13:47:44Z

<p>Added the most recent blog about this format</p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 13:47, 6 November 2023</td> </tr><tr><td colspan="2" class="diff-lineno">Line 18:</td> <td colspan="2" class="diff-lineno">Line 18:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [https://exponentialdecay.co.uk/blog/genesis-of-a-file-format/ Genesis of a file format]</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [https://exponentialdecay.co.uk/blog/genesis-of-a-file-format/ Genesis of a file format]</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [https://github.com/ross-spencer/eyeglass Github site]</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [https://github.com/ross-spencer/eyeglass Github site]</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [https://exponentialdecay.co.uk/blog/shattering-the-eyeglass/ Shattering the Eyeglass: Using Kaitai Structs to dissect the eyeglass’ contents]</ins></div></td></tr> </table>

Ross-spencer http://fileformats.archiveteam.org/index.php?title=Eyeglass_file_format_(Ross_Spencer)&diff=45907&oldid=prev 2023-10-20T22:32:55Z

<p>Updated http to https</p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 22:32, 20 October 2023</td> </tr><tr><td colspan="2" class="diff-lineno">Line 16:</td> <td colspan="2" class="diff-lineno">Line 16:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Links ==</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== Links ==</div></td></tr> <tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [<del class="diffchange diffchange-inline">http</del>://exponentialdecay.co.uk/blog/genesis-of-a-file-format/ Genesis of a file format]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [<ins class="diffchange diffchange-inline">https</ins>://exponentialdecay.co.uk/blog/genesis-of-a-file-format/ Genesis of a file format]</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [https://github.com/ross-spencer/eyeglass Github site]</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* [https://github.com/ross-spencer/eyeglass Github site]</div></td></tr> </table>

Ross-spencer http://fileformats.archiveteam.org/index.php?title=Eyeglass_file_format_(Ross_Spencer)&diff=16961&oldid=prev 2014-04-08T04:19:58Z

<p></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 04:19, 8 April 2014</td> </tr><tr><td colspan="2" class="diff-lineno">Line 5:</td> <td colspan="2" class="diff-lineno">Line 5:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>}}</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>}}</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>The '''Eyeglass file format''' is an example file format developed by digital preservation researcher Ross Spencer to illustrate the process of creating file formats. It is not known to have been put to any actual use in the optical industry, but might be capable of doing so, as it encodes the standard pieces of information which are part of an eyeglass prescription.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>The '''Eyeglass file format''' is an example file format developed by digital preservation researcher Ross Spencer to illustrate the process of creating file formats. It is not known to have been put to any actual use in the optical industry, but might be capable of doing so, as it encodes the standard pieces of information which are part of an eyeglass prescription.</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Spencer wrote a blog post explaining the choices that went into devising the file format, and created a Github site hosting some [[Python]] code and a sample data file.</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== File indentification ==</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>== File indentification ==</div></td></tr> </table>

Dan Tobias http://fileformats.archiveteam.org/index.php?title=Eyeglass_file_format_(Ross_Spencer)&diff=16959&oldid=prev 2014-04-08T03:34:15Z

<p>Created page with &quot;{{FormatInfo |formattype=electronic |subcat=Health and Medicine |extensions={{ext|eygl}} }} The &#039;&#039;&#039;Eyeglass file format&#039;&#039;&#039; is an example file format developed by digital prese...&quot;</p> <p><b>New page</b></p><div>{{FormatInfo<br /> |formattype=electronic<br /> |subcat=Health and Medicine<br /> |extensions={{ext|eygl}}<br /> }}<br /> The '''Eyeglass file format''' is an example file format developed by digital preservation researcher Ross Spencer to illustrate the process of creating file formats. It is not known to have been put to any actual use in the optical industry, but might be capable of doing so, as it encodes the standard pieces of information which are part of an eyeglass prescription.<br /> <br /> == File indentification ==<br /> <br /> Files begin with the hex bytes &lt;code&gt;BB 0D 0A 65 79 65 67 6C 61 73 73 1A 0A AB&lt;/code&gt;, and ends with &lt;code&gt;BB 65 6f 66&lt;/code&gt;.<br /> <br /> == Sample files ==<br /> * [https://github.com/ross-spencer/eyeglass/blob/master/default-sample-1.0-be.eygl Official sample file]<br /> <br /> == Links ==<br /> * [http://exponentialdecay.co.uk/blog/genesis-of-a-file-format/ Genesis of a file format]<br /> * [https://github.com/ross-spencer/eyeglass Github site]</div>

Dan Tobias