fonttools/Documentation/robofabDocs/robofab.path.intersect.html
Erik van Blokland 3646055ea2 initial import
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<html><head><title>Python: module robofab.path.intersect</title>
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<td valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial">&nbsp;<br><big><big><strong><a href="robofab.html"><font color="#ffffff">robofab</font></a>.<a href="robofab.path.html"><font color="#ffffff">path</font></a>.intersect</strong></big></big></font></td
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><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="file:/code/projects/robofab/Lib/robofab/path/intersect.py">/code/projects/robofab/Lib/robofab/path/intersect.py</a></font></td></tr></table>
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<font color="#fffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr>
<tr><td bgcolor="#aa55cc"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><table width="100%" summary="list"><tr><td width="25%" valign=top><a href="math.html">math</a><br>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Functions</strong></big></font></td></tr>
<tr><td bgcolor="#eeaa77"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><dl><dt><a name="-inbetween"><strong>inbetween</strong></a>((a1, a2), (b1, b2), (c1, c2))</dt><dd><tt>Return&nbsp;True&nbsp;if&nbsp;point&nbsp;b&nbsp;is&nbsp;in&nbsp;between&nbsp;points&nbsp;a&nbsp;and&nbsp;c.</tt></dd></dl>
<dl><dt><a name="-intersect"><strong>intersect</strong></a>(aGlyph, startPt, endPt, segmentLength<font color="#909090">=10</font>)</dt><dd><tt>Find&nbsp;the&nbsp;intersections&nbsp;between&nbsp;a&nbsp;glyph&nbsp;and&nbsp;a&nbsp;straight&nbsp;line.</tt></dd></dl>
<dl><dt><a name="-intersectGlyphs"><strong>intersectGlyphs</strong></a>(glyphA, glyphB, segmentLength<font color="#909090">=10</font>)</dt><dd><tt>Approximate&nbsp;the&nbsp;intersection&nbsp;points&nbsp;between&nbsp;two&nbsp;glyphs&nbsp;by<br>
flattening&nbsp;both&nbsp;glyphs&nbsp;and&nbsp;checking&nbsp;each&nbsp;tiny&nbsp;segment&nbsp;for<br>
intersections.&nbsp;Slow,&nbsp;but&nbsp;perhaps&nbsp;more&nbsp;realistic&nbsp;then&nbsp;<br>
solving&nbsp;the&nbsp;equasions.<br>
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Seems&nbsp;to&nbsp;work&nbsp;for&nbsp;basic&nbsp;curves&nbsp;and&nbsp;straights,&nbsp;but&nbsp;untested<br>
for&nbsp;edges&nbsp;cases,&nbsp;alsmost&nbsp;hits,&nbsp;near&nbsp;hits,&nbsp;double&nbsp;points,&nbsp;crap&nbsp;like&nbsp;that.</tt></dd></dl>
<dl><dt><a name="-makeTestGlyph"><strong>makeTestGlyph</strong></a>()</dt></dl>
<dl><dt><a name="-normalise"><strong>normalise</strong></a>(a1, a2)</dt><dd><tt>Normalise&nbsp;this&nbsp;vector&nbsp;to&nbsp;length&nbsp;1</tt></dd></dl>
<dl><dt><a name="-sectlines"><strong>sectlines</strong></a>((a1, a2), (p1, p2), (b1, b2), (q1, q2))</dt><dd><tt>Calculate&nbsp;the&nbsp;intersection&nbsp;point&nbsp;of&nbsp;two&nbsp;straight&nbsp;lines.&nbsp;Result&nbsp;in&nbsp;floats.</tt></dd></dl>
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