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diff --git a/Master/texmf-dist/doc/generic/pgf/version-for-tex4ht/en/pgfmanualse23.html b/Master/texmf-dist/doc/generic/pgf/version-for-tex4ht/en/pgfmanualse23.html new file mode 100644 index 00000000000..fd486ceebcb --- /dev/null +++ b/Master/texmf-dist/doc/generic/pgf/version-for-tex4ht/en/pgfmanualse23.html @@ -0,0 +1,1123 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" + "http://www.w3.org/TR/html4/loose.dtd"> +<html > +<head><title>23 Using Paths</title> +<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> +<meta name="generator" content="TeX4ht (http://www.cis.ohio-state.edu/~gurari/TeX4ht/mn.html)"> +<meta name="originator" content="TeX4ht (http://www.cis.ohio-state.edu/~gurari/TeX4ht/mn.html)"> +<!-- html --> +<meta name="src" content="pgfmanual.tex"> +<meta name="date" content="2005-10-23 18:34:00"> +<link rel="stylesheet" type="text/css" href="pgfmanual.css"> +</head><body +> + <div class="crosslinks"><p class="noindent">[<a +href="pgfmanualse24.html" >next</a>] [<a +href="pgfmanualse22.html" >prev</a>] [<a +href="pgfmanualse22.html#tailpgfmanualse22.html" >prev-tail</a>] [<a +href="#tailpgfmanualse23.html">tail</a>] [<a +href="pgfmanual.html#pgfmanualse23.html" >up</a>] </p></div> + <h3 class="sectionHead"><span class="titlemark">23 </span> <a + id="x24-23700023"></a>Using Paths</h3> +<!--l. 10--><p class="noindent"> + <h4 class="subsectionHead"><span class="titlemark">23.1 </span> <a + id="x24-23800023.1"></a>Overview</h4> +<!--l. 12--><p class="noindent">Once a path has been constructed, it can be <span +class="cmti-10">used </span>in different ways. For example, you can draw the path or fill it or +use it for clipping. +<!--l. 16--><p class="indent"> Numerous graph parameters influence how a path will be rendered. For example, when you draw a path, +the line width is important as well as the dashing pattern. The options that govern how paths are +rendered can all be set with commands starting with <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">\pgfset</span></span></span>. <span +class="cmti-10">All options that influence how a path is</span> +<span +class="cmti-10">rendered always influence the complete path. </span>Thus, it is not possible to draw part of a path using, say, a +red color and drawing another part using a green color. To achieve such an effect, you must use two +paths. +<!--l. 25--><p class="indent"> In detail, paths can be used in the following ways: +<!--l. 27--><p class="indent"> + <ol type="1" class="enumerate1" > + <li class="enumerate" value="1" +><a + id="x24-238002x1"></a>You can <span +class="cmti-10">stroke </span>(also known as <span +class="cmti-10">draw</span>) a path. + </li> + <li class="enumerate" value="2" +><a + id="x24-238004x2"></a>You can <span +class="cmti-10">fill </span>a path with a uniform color. + </li> + <li class="enumerate" value="3" +><a + id="x24-238006x3"></a>You can <span +class="cmti-10">clip </span>subsequent renderings against the path. + </li> + <li class="enumerate" value="4" +><a + id="x24-238008x4"></a>You can <span +class="cmti-10">shade </span>a path. + </li> + <li class="enumerate" value="5" +><a + id="x24-238010x5"></a>You can <span +class="cmti-10">use the path as bounding box </span>for the whole picture.</li></ol> +<!--l. 39--><p class="noindent">You can also perform any combination of the above, though it makes no sense to fill and shade a path at the same +time. +<!--l. 42--><p class="indent"> To perform (a combination of) the first three actions, you can use the following command: + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox251"><span +class="cmtt-10">\pgfusepath</span><span +class="cmtt-10">{</span><span +class="cmsy-10"><</span><span +class="cmti-10">actions</span><span +class="cmsy-10">></span><span +class="cmtt-10">}</span></span> </dt><dd +class="description"> +<a + id="dx24-238011"></a> + <!--l. 45--><p class="noindent">Applies the given <span +class="cmsy-10"><</span><span +class="cmti-10">actions</span><span +class="cmsy-10">> </span>to the current path. Afterwards, the current path is (globally) empty. The + following actions are possible: + <ul class="itemize1"> + <li class="itemize"><span class="obeylines-h"><span class="verb"><span +class="cmtt-10">fill</span></span></span> fills the path. See Section <a +href="#x24-24600023.3">23.3<!--tex4ht:ref: section-fill --></a> for further details. + <!--l. 51--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"><table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-460-" ><colgroup id="TBL-460-1g"><col +id="TBL-460-1"><col +id="TBL-460-2"></colgroup><tr + valign="baseline" id="TBL-460-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-460-1-1" +class="td11"> <object data="pgfmanual-537.svg" width="28.45274pt" height="28.45274pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object> </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-460-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">\begin{pgfpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathmoveto{\pgfpointorigin}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{1cm}{1cm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{1cm}{0cm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{fill}</span> +<br><span +class="cmtt-8">\end{pgfpicture}</span></div> </td></tr></table> </td> +</tr></table></div> + + + </li> + <li class="itemize"><span class="obeylines-h"><span class="verb"><span +class="cmtt-10">stroke</span></span></span> strokes the path. See Section <a +href="#x24-23900023.2">23.2<!--tex4ht:ref: section-stroke --></a> for further details. + <!--l. 61--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"><table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-461-" ><colgroup id="TBL-461-1g"><col +id="TBL-461-1"><col +id="TBL-461-2"></colgroup><tr + valign="baseline" id="TBL-461-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-461-1-1" +class="td11"> <object data="pgfmanual-538.svg" width="28.85274pt" height="28.85274pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object> </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-461-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">\begin{pgfpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathmoveto{\pgfpointorigin}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{1cm}{1cm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{1cm}{0cm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8">\end{pgfpicture}</span></div> </td></tr></table> </td> +</tr></table></div> + </li> + <li class="itemize"><span class="obeylines-h"><span class="verb"><span +class="cmtt-10">clip</span></span></span> clips all subsequent drawings against the path. See Section <a +href="#x24-25000023.4">23.4<!--tex4ht:ref: section-clip --></a> for further details. + <!--l. 72--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"><table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-462-" ><colgroup id="TBL-462-1g"><col +id="TBL-462-1"><col +id="TBL-462-2"></colgroup><tr + valign="baseline" id="TBL-462-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-462-1-1" +class="td11"> <object data="pgfmanual-539.svg" width="28.85274pt" height="28.85274pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object> </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-462-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">\begin{pgfpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathmoveto{\pgfpointorigin}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{1cm}{1cm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{1cm}{0cm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{stroke,clip}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathcircle{\pgfpoint{1cm}{1cm}}{0.5cm}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{fill}</span> +<br><span +class="cmtt-8">\end{pgfpicture}</span></div> </td></tr></table> </td> +</tr></table></div> + </li> + <li class="itemize"><span class="obeylines-h"><span class="verb"><span +class="cmtt-10">discard</span></span></span> discards the path, that is, it is not used at all. Giving this option (alone) has the same effect as + giving an empty options list.</li></ul> + <!--l. 87--><p class="noindent">When more than one of the first three actions are given, they are applied in the above ordering, regardless of + their ordering in <span +class="cmsy-10"><</span><span +class="cmti-10">actions</span><span +class="cmsy-10">></span>. Thus, <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">{stroke,fill}</span></span></span> and <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">{fill,stroke}</span></span></span> have the same effect. + </dd></dl> +<!--l. 93--><p class="indent"> To shade a path, use the <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">\pgfshadepath</span></span></span> command, which is explained in Section <a +href="pgfmanualse28.html#x29-28600028">28<!--tex4ht:ref: section-shadings --></a>. +<!--l. 98--><p class="noindent"> + <h4 class="subsectionHead"><span class="titlemark">23.2 </span> <a + id="x24-23900023.2"></a>Stroking a Path</h4> +<!--l. 101--><p class="noindent">When you use <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">\pgfusepath{stroke}</span></span></span> to stroke a path, several graphic parameters influence how the path is drawn. +The commands for setting these parameters are explained in the following. +<!--l. 105--><p class="indent"> Note that all graphic parameters apply to the path as a whole, never only to a part of it. +<!--l. 108--><p class="indent"> All graphic parameters are local to the current <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">{pgfscope}</span></span></span>, but they persists past <span class="TEX">T<span +class="E">E</span>X</span> groups, <span +class="cmti-10">except </span>for +the interior rule (even-odd or nonzero) and the arrow tip kinds. The latter graphic parameters only +persist till the end of the current <span class="TEX">T<span +class="E">E</span>X</span> group, but this may change in the future, so do not count on +this. +<!--l. 114--><p class="noindent"> + <h5 class="subsubsectionHead"><span class="titlemark">23.2.1 </span> <a + id="x24-24000023.2.1"></a>Graphic Parameter: Line Width</h5> +<!--l. 116--><p class="noindent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox252"><span +class="cmtt-10">\pgfsetlinewidth</span><span +class="cmtt-10">{</span><span +class="cmsy-10"><</span><span +class="cmti-10">line width</span><span +class="cmsy-10">></span><span +class="cmtt-10">}</span></span> </dt><dd +class="description"> +<a + id="dx24-240001"></a> + <!--l. 117--><p class="noindent">This command sets the line width for subsequent strokes (in the current <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">pgfscope</span></span></span>). The line width is + given as a normal <span class="TEX">T<span +class="E">E</span>X</span> dimension like <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">0.4pt</span></span></span> or <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">1mm</span></span></span>. + + + <!--l. 121--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"><table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-463-" ><colgroup id="TBL-463-1g"><col +id="TBL-463-1"><col +id="TBL-463-2"></colgroup><tr + valign="baseline" id="TBL-463-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-463-1-1" +class="td11"> <object data="pgfmanual-540.svg" width="62.59602pt" height="18.49425pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object> </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-463-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">\begin{pgfpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetlinewidth{1mm}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathmoveto{\pgfpoint{0mm}{0mm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{2cm}{0mm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetlinewidth{2\pgflinewidth}</span><span +class="cmtt-8"> </span><span +class="cmsltt-10x-x-80">%</span><span +class="cmsltt-10x-x-80"> double</span><span +class="cmsltt-10x-x-80"> in</span><span +class="cmsltt-10x-x-80"> size</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathmoveto{\pgfpoint{0mm}{5mm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{2cm}{5mm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8">\end{pgfpicture}</span></div> </td></tr></table> </td> +</tr></table></div> + </dd></dl> +<!--l. 135--><p class="noindent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox253"><span +class="cmtt-10">\pgflinewidth</span></span> </dt><dd +class="description"> +<a + id="dx24-240002"></a> + <!--l. 136--><p class="noindent">You can access the current line width via the <span class="TEX">T<span +class="E">E</span>X</span> dimension <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">\pgflinewidth</span></span></span>. It will be set to the + correct line width, that is, even when a <span class="TEX">T<span +class="E">E</span>X</span> group closed, the value will be correct since it is set + globally, but when a <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">{pgfscope}</span></span></span> closes, the value is set to the correct value it had before the scope. </dd></dl> +<!--l. 144--><p class="noindent"> + <h5 class="subsubsectionHead"><span class="titlemark">23.2.2 </span> <a + id="x24-24100023.2.2"></a>Graphic Parameter: Caps and Joins</h5> +<!--l. 146--><p class="noindent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox254"><span +class="cmtt-10">\pgfsetbuttcap</span></span> </dt><dd +class="description"> +<a + id="dx24-241001"></a> + <!--l. 147--><p class="noindent">Sets the line cap to a butt cap. See Section <a +href="pgfmanualse10.html#x11-12300010.2.1">10.2.1<!--tex4ht:ref: section-cap-joins --></a> for an explanation of what this is. </dd></dl> +<!--l. 150--><p class="noindent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox255"><span +class="cmtt-10">\pgfsetroundcap</span></span> </dt><dd +class="description"> +<a + id="dx24-241002"></a> + <!--l. 151--><p class="noindent">Sets the line cap to a round cap. See again Section <a +href="pgfmanualse10.html#x11-12300010.2.1">10.2.1<!--tex4ht:ref: section-cap-joins --></a>. </dd></dl> +<!--l. 154--><p class="noindent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox256"><span +class="cmtt-10">\pgfsetrectcap</span></span> </dt><dd +class="description"> +<a + id="dx24-241003"></a> + <!--l. 155--><p class="noindent">Sets the line cap to a square cap. See again Section <a +href="pgfmanualse10.html#x11-12300010.2.1">10.2.1<!--tex4ht:ref: section-cap-joins --></a>. </dd></dl> +<!--l. 158--><p class="noindent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox257"><span +class="cmtt-10">\pgfsetroundjoin</span></span> </dt><dd +class="description"> +<a + id="dx24-241004"></a> + <!--l. 159--><p class="noindent">Sets the line join to a round join. See again Section <a +href="pgfmanualse10.html#x11-12300010.2.1">10.2.1<!--tex4ht:ref: section-cap-joins --></a>. </dd></dl> +<!--l. 162--><p class="noindent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox258"><span +class="cmtt-10">\pgfsetbeveljoin</span></span> </dt><dd +class="description"> +<a + id="dx24-241005"></a> + <!--l. 163--><p class="noindent">Sets the line join to a bevel join. See again Section <a +href="pgfmanualse10.html#x11-12300010.2.1">10.2.1<!--tex4ht:ref: section-cap-joins --></a>. </dd></dl> +<!--l. 166--><p class="noindent"> + + + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox259"><span +class="cmtt-10">\pgfsetmiterjoin</span></span> </dt><dd +class="description"> +<a + id="dx24-241006"></a> + <!--l. 167--><p class="noindent">Sets the line join to a miter join. See again Section <a +href="pgfmanualse10.html#x11-12300010.2.1">10.2.1<!--tex4ht:ref: section-cap-joins --></a>. </dd></dl> +<!--l. 170--><p class="noindent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox260"><span +class="cmtt-10">\pgfsetmiterlimit</span><span +class="cmtt-10">{</span><span +class="cmsy-10"><</span><span +class="cmti-10">miter limit factor</span><span +class="cmsy-10">></span><span +class="cmtt-10">}</span></span> </dt><dd +class="description"> +<a + id="dx24-241007"></a> + <!--l. 171--><p class="noindent">Sets the miter limit to <span +class="cmsy-10"><</span><span +class="cmti-10">miter limit factor</span><span +class="cmsy-10">></span>. See again Section <a +href="pgfmanualse10.html#x11-12300010.2.1">10.2.1<!--tex4ht:ref: section-cap-joins --></a>. </dd></dl> +<!--l. 175--><p class="noindent"> + <h5 class="subsubsectionHead"><span class="titlemark">23.2.3 </span> <a + id="x24-24200023.2.3"></a>Graphic Parameter: Dashing</h5> +<!--l. 177--><p class="noindent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox261"><span +class="cmtt-10">\pgfsetdash</span><span +class="cmtt-10">{</span><span +class="cmsy-10"><</span><span +class="cmti-10">list of even length of dimensions</span><span +class="cmsy-10">></span><span +class="cmtt-10">}{</span><span +class="cmsy-10"><</span><span +class="cmti-10">phase</span><span +class="cmsy-10">></span><span +class="cmtt-10">}</span></span> </dt><dd +class="description"> +<a + id="dx24-242001"></a> + <!--l. 178--><p class="noindent">Sets the dashing of a line. The first entry in the list specifies the length of the first solid part of the + list. The second entry specifies the length of the following gap. Then comes the length of the second + solid part, following by the length of the second gap, and so on. The <span +class="cmsy-10"><</span><span +class="cmti-10">phase</span><span +class="cmsy-10">> </span>specifies where the first + solid part starts relative to the beginning of the line. + <!--l. 185--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"><table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-464-" ><colgroup id="TBL-464-1g"><col +id="TBL-464-1"><col +id="TBL-464-2"></colgroup><tr + valign="baseline" id="TBL-464-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-464-1-1" +class="td11"> <object data="pgfmanual-541.svg" width="57.3055pt" height="6.09053pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object> </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-464-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">\begin{pgfpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetdash{{0.5cm}{0.5cm}{0.1cm}{0.2cm}}{0cm}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathmoveto{\pgfpoint{0mm}{0mm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{2cm}{0mm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetdash{{0.5cm}{0.5cm}{0.1cm}{0.2cm}}{0.1cm}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathmoveto{\pgfpoint{0mm}{1mm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{2cm}{1mm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetdash{{0.5cm}{0.5cm}{0.1cm}{0.2cm}}{0.2cm}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathmoveto{\pgfpoint{0mm}{2mm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{2cm}{2mm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8">\end{pgfpicture}</span></div> </td></tr></table> </td> +</tr></table></div> + <!--l. 202--><p class="noindent">Use <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">\pgfsetdash{}{0pt}</span></span></span> to get a solid dashing. </dd></dl> +<!--l. 205--><p class="noindent"> + <h5 class="subsubsectionHead"><span class="titlemark">23.2.4 </span> <a + id="x24-24300023.2.4"></a>Graphic Parameter: Stroke Color</h5> +<!--l. 207--><p class="noindent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox262"><span +class="cmtt-10">\pgfsetstrokecolor</span><span +class="cmtt-10">{</span><span +class="cmsy-10"><</span><span +class="cmti-10">color</span><span +class="cmsy-10">></span><span +class="cmtt-10">}</span></span> </dt><dd +class="description"> +<a + id="dx24-243001"></a> + <!--l. 208--><p class="noindent">Sets the color used for stroking lines to <span +class="cmsy-10"><</span><span +class="cmti-10">color</span><span +class="cmsy-10">></span>, where <span +class="cmsy-10"><</span><span +class="cmti-10">color</span><span +class="cmsy-10">> </span>is a <span class="LATEX">L<span class="A">A</span><span class="TEX">T<span +class="E">E</span>X</span></span> color like <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">red</span></span></span> or + <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">black!20!red</span></span></span>. Unlike the <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">\color</span></span></span> command, the effect of this command lasts till the end of the current + <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">{pgfscope}</span></span></span> and not till the end of the current <span class="TEX">T<span +class="E">E</span>X</span> group. + <!--l. 214--><p class="noindent">The color used for stroking may be different from the color used for filling. However, a <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">\color</span></span></span> command + will always “immediately override” any special settings for the stroke and fill colors. + <!--l. 218--><p class="noindent">In plain <span class="TEX">T<span +class="E">E</span>X</span>, this command will also work, but the problem of <span +class="cmti-10">defining </span>a color arises. After all, plain + <span class="TEX">T<span +class="E">E</span>X</span> does not provide <span class="LATEX">L<span class="A">A</span><span class="TEX">T<span +class="E">E</span>X</span></span> colors. For this reason, <span +class="cmcsc-10"><small +class="small-caps">P</small><small +class="small-caps">G</small><small +class="small-caps">F</small></span> implements a minimalistic “emulation” of + the <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">\definecolor</span></span></span>, <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">\colorlet</span></span></span>, and <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">\color</span></span></span> commands. Only gray-scale and rgb colors are supported. + For most cases this turns out to be enough. + + + <!--l. 225--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"><table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-465-" ><colgroup id="TBL-465-1g"><col +id="TBL-465-1"><col +id="TBL-465-2"></colgroup><tr + valign="baseline" id="TBL-465-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-465-1-1" +class="td11"> <object data="pgfmanual-542.svg" width="74.97713pt" height="18.07162pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object> </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-465-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">\begin{pgfpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetlinewidth{1pt}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \color{red}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathcircle{\pgfpoint{0cm}{0cm}}{3mm}</span><span +class="cmtt-8"> \pgfusepath{fill,stroke}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetstrokecolor{black}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathcircle{\pgfpoint{1cm}{0cm}}{3mm}</span><span +class="cmtt-8"> \pgfusepath{fill,stroke}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \color{red}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathcircle{\pgfpoint{2cm}{0cm}}{3mm}</span><span +class="cmtt-8"> \pgfusepath{fill,stroke}</span> +<br><span +class="cmtt-8">\end{pgfpicture}</span></div> </td></tr></table> </td> +</tr></table></div> + </dd></dl> +<!--l. 238--><p class="noindent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox263"><span +class="cmtt-10">\pgfsetcolor</span><span +class="cmtt-10">{</span><span +class="cmsy-10"><</span><span +class="cmti-10">color</span><span +class="cmsy-10">></span><span +class="cmtt-10">}</span></span> </dt><dd +class="description"> +<a + id="dx24-243002"></a> + <!--l. 239--><p class="noindent">Sets both the stroke and fill color. The difference to the normal <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">\color</span></span></span> command is that the effect + lasts till the end of the current <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">{pgfscope}</span></span></span>, not only till the end of the current <span class="TEX">T<span +class="E">E</span>X</span> group. </dd></dl> +<!--l. 246--><p class="noindent"> + <h5 class="subsubsectionHead"><span class="titlemark">23.2.5 </span> <a + id="x24-24400023.2.5"></a>Graphic Parameter: Stroke Opacity</h5> +<!--l. 248--><p class="noindent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox264"><span +class="cmtt-10">\pgfsetstrokeopacity</span><span +class="cmtt-10">{</span><span +class="cmsy-10"><</span><span +class="cmti-10">value</span><span +class="cmsy-10">></span><span +class="cmtt-10">}</span></span> </dt><dd +class="description"> +<a + id="dx24-244001"></a> + <!--l. 249--><p class="noindent">Sets the opacity of stroking operations. The <span +class="cmsy-10"><</span><span +class="cmti-10">value</span><span +class="cmsy-10">> </span>should be a number between <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">0</span></span></span> and <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">1</span></span></span>, where <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">1</span></span></span> + means “fully opaque” and <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">0</span></span></span> means “fully transparent.” A value like <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">0.5</span></span></span> will cause paths to be stroked + in a semitransparent way. + <!--l. 254--><p class="noindent"><span +class="cmti-10">Note: </span>For PostScript output, opacity is rendered correctly only with the most recent versions of + GhostScript. Printers and other programs will ignore the opacity setting. + <!--l. 258--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"><table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-466-" ><colgroup id="TBL-466-1g"><col +id="TBL-466-1"><col +id="TBL-466-2"></colgroup><tr + valign="baseline" id="TBL-466-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-466-1-1" +class="td11"> <object data="pgfmanual-543.svg" width="99.58458pt" height="71.13184pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object> </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-466-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">\begin{pgfpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetlinewidth{5mm}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \color{red}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathcircle{\pgfpoint{0cm}{0cm}}{10mm}</span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \color{black}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetstrokeopacity{0.5}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathcircle{\pgfpoint{1cm}{0cm}}{10mm}</span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8">\end{pgfpicture}</span></div> </td></tr></table> </td> +</tr></table></div> + </dd></dl> +<!--l. 271--><p class="noindent"> + <h5 class="subsubsectionHead"><span class="titlemark">23.2.6 </span> <a + id="x24-24500023.2.6"></a>Graphic Parameter: Arrows</h5> +<!--l. 273--><p class="noindent">After a path has been drawn, <span +class="cmcsc-10"><small +class="small-caps">P</small><small +class="small-caps">G</small><small +class="small-caps">F</small></span> can add arrow tips at the ends. Currently, it will only add arrows correctly at the +end of paths that consist of a single open part. For other paths, like closed paths or path consisting of multiple +parts, the result is not defined. +<!--l. 278--><p class="indent"> + + + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox265"><span +class="cmtt-10">\pgfsetarrowsstart</span><span +class="cmtt-10">{</span><span +class="cmsy-10"><</span><span +class="cmti-10">arrow kind</span><span +class="cmsy-10">></span><span +class="cmtt-10">}</span></span> </dt><dd +class="description"> +<a + id="dx24-245001"></a> + <!--l. 279--><p class="noindent">Sets the arrow tip kind used at the start of a (possibly curved) path. When this option is used, the + line will often be slightly shortened to ensure that the tip of the arrow will exactly “touch” the “real” + start of the line. + <!--l. 284--><p class="noindent">To “clear” the start arrow, say <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">\pgfsetarrowsstart{}</span></span></span>. + <!--l. 285--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"><table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-467-" ><colgroup id="TBL-467-1g"><col +id="TBL-467-1"><col +id="TBL-467-2"></colgroup><tr + valign="baseline" id="TBL-467-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-467-1-1" +class="td11"> <object data="pgfmanual-544.svg" width="28.85274pt" height="6.09053pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object> </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-467-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">\begin{pgfpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetarrowsstart{latex}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathmoveto{\pgfpointorigin}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{1cm}{0cm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetarrowsstart{to}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathmoveto{\pgfpoint{0cm}{2mm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{1cm}{2mm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8">\end{pgfpicture}</span></div> </td></tr></table> </td> +</tr></table></div> + <!--l. 298--><p class="noindent">The effect of this command persists only till the end of the current <span class="TEX">T<span +class="E">E</span>X</span> scope. + <!--l. 301--><p class="noindent">The different possible arrow kinds are explained in Section <a +href="pgfmanualse24.html#x25-25200024">24<!--tex4ht:ref: section-arrows --></a>. </dd></dl> +<!--l. 305--><p class="indent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox266"><span +class="cmtt-10">\pgfsetarrowsend</span><span +class="cmtt-10">{</span><span +class="cmsy-10"><</span><span +class="cmti-10">arrow kind</span><span +class="cmsy-10">></span><span +class="cmtt-10">}</span></span> </dt><dd +class="description"> +<a + id="dx24-245002"></a> + <!--l. 306--><p class="noindent">Sets the arrow tip kind used at the end of a path. + <!--l. 307--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"><table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-468-" ><colgroup id="TBL-468-1g"><col +id="TBL-468-1"><col +id="TBL-468-2"></colgroup><tr + valign="baseline" id="TBL-468-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-468-1-1" +class="td11"> <object data="pgfmanual-545.svg" width="28.85274pt" height="1.0pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object> </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-468-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">\begin{pgfpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetarrowsstart{latex}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetarrowsend{to}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathmoveto{\pgfpointorigin}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{1cm}{0cm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8">\end{pgfpicture}</span></div> </td></tr></table> </td> +</tr></table></div> + </dd></dl> +<!--l. 318--><p class="indent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox267"><span +class="cmtt-10">\pgfsetarrows</span><span +class="cmtt-10">{</span><span +class="cmsy-10"><</span><span +class="cmti-10">start kind</span><span +class="cmsy-10">></span><span class="obeylines-h"><span class="verb"><span +class="cmtt-10">-</span></span></span><span +class="cmsy-10"><</span><span +class="cmti-10">end kind</span><span +class="cmsy-10">></span><span +class="cmtt-10">}</span></span> </dt><dd +class="description"> +<a + id="dx24-245003"></a> + <!--l. 319--><p class="noindent">Sets the start arrow kind to <span +class="cmsy-10"><</span><span +class="cmti-10">start kind</span><span +class="cmsy-10">> </span>and the end kind to <span +class="cmsy-10"><</span><span +class="cmti-10">end kind</span><span +class="cmsy-10">></span>. + <!--l. 321--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"><table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-469-" ><colgroup id="TBL-469-1g"><col +id="TBL-469-1"><col +id="TBL-469-2"></colgroup><tr + valign="baseline" id="TBL-469-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-469-1-1" +class="td11"> <object data="pgfmanual-546.svg" width="28.85274pt" height="1.0pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object> </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-469-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">\begin{pgfpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetarrows{latex-to}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathmoveto{\pgfpointorigin}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{1cm}{0cm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8">\end{pgfpicture}</span></div> </td></tr></table> </td> +</tr></table></div> + </dd></dl> +<!--l. 331--><p class="indent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox268"><span +class="cmtt-10">\pgfsetshortenstart</span><span +class="cmtt-10">{</span><span +class="cmsy-10"><</span><span +class="cmti-10">dimension</span><span +class="cmsy-10">></span><span +class="cmtt-10">}</span></span> </dt><dd +class="description"> +<a + id="dx24-245004"></a> + <!--l. 332--><p class="noindent">This command will shortened the start of every stroked path by the given dimension. This shortening + is done in addition to automatic shortening done by a start arrow, but it can be used even if no start + arrow is given. + + + <!--l. 337--><p class="noindent">This command is useful if you wish arrows or lines to “stop shortly before” a given point. + <!--l. 339--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"><table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-470-" ><colgroup id="TBL-470-1g"><col +id="TBL-470-1"><col +id="TBL-470-2"></colgroup><tr + valign="baseline" id="TBL-470-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-470-1-1" +class="td11"> <object data="pgfmanual-547.svg" width="71.53186pt" height="28.85272pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object> </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-470-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">\begin{pgfpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathcircle{\pgfpointorigin}{5mm}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetarrows{latex-}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetshortenstart{4pt}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathmoveto{\pgfpoint{5mm}{0cm}}</span><span +class="cmtt-8"> </span><span +class="cmsltt-10x-x-80">%</span><span +class="cmsltt-10x-x-80"> would</span><span +class="cmsltt-10x-x-80"> be</span><span +class="cmsltt-10x-x-80"> on</span><span +class="cmsltt-10x-x-80"> the</span><span +class="cmsltt-10x-x-80"> circle</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathlineto{\pgfpoint{2cm}{0cm}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8">\end{pgfpicture}</span></div> </td></tr></table> </td> +</tr></table></div> + </dd></dl> +<!--l. 352--><p class="indent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox269"><span +class="cmtt-10">\pgfsetshortenend</span><span +class="cmtt-10">{</span><span +class="cmsy-10"><</span><span +class="cmti-10">dimension</span><span +class="cmsy-10">></span><span +class="cmtt-10">}</span></span> </dt><dd +class="description"> +<a + id="dx24-245005"></a> + <!--l. 353--><p class="noindent">Works like <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">\pgfsetshortenstart</span></span></span>. </dd></dl> +<!--l. 358--><p class="noindent"> + <h4 class="subsectionHead"><span class="titlemark">23.3 </span> <a + id="x24-24600023.3"></a>Filling a Path</h4> +<!--l. 361--><p class="noindent">Filling a path means coloring every interior point of the path with the current fill color. It is not always obvious +whether a point is “inside” a path when the path is self-intersecting and/or consists or multiple parts. In this case +either the nonzero winding number rule or the even-odd crossing number rule is used to decide, which points lie +“inside.” These rules are explained in Section <a +href="pgfmanualse10.html#x11-12800010.3">10.3<!--tex4ht:ref: section-rules --></a>. +<!--l. 369--><p class="noindent"> + <h5 class="subsubsectionHead"><span class="titlemark">23.3.1 </span> <a + id="x24-24700023.3.1"></a>Graphic Parameter: Interior Rule</h5> +<!--l. 371--><p class="noindent">You can set which rule is used using the following commands: +<!--l. 373--><p class="indent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox270"><span +class="cmtt-10">\pgfseteorule</span></span> </dt><dd +class="description"> +<a + id="dx24-247001"></a> + <!--l. 374--><p class="noindent">Dictates that the even-odd rule is used in subsequent fillings in the current <span class="TEX"><span +class="cmti-10">T</span><span +class="E"><span +class="cmti-10">E</span></span><span +class="cmti-10">X</span></span><span +class="cmti-10"> scope</span>. Thus, for once, + the effect of this command does not persist past the current <span class="TEX">T<span +class="E">E</span>X</span> scope. + <!--l. 378--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"><table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-471-" ><colgroup id="TBL-471-1g"><col +id="TBL-471-1"><col +id="TBL-471-2"></colgroup><tr + valign="baseline" id="TBL-471-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-471-1-1" +class="td11"> <object data="pgfmanual-548.svg" width="54.0602pt" height="39.83383pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object> </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-471-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">\begin{pgfpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfseteorule</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathcircle{\pgfpoint{0mm}{0cm}}{7mm}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathcircle{\pgfpoint{5mm}{0cm}}{7mm}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{fill}</span> +<br><span +class="cmtt-8">\end{pgfpicture}</span></div> </td></tr></table> </td> +</tr></table></div> + </dd></dl> +<!--l. 388--><p class="indent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox271"><span +class="cmtt-10">\pgfsetnonzerorule</span></span> </dt><dd +class="description"> +<a + id="dx24-247002"></a> + + + <!--l. 389--><p class="noindent">Dictates that the nonzero winding number rule is used in subsequent fillings in the current <span class="TEX">T<span +class="E">E</span>X</span> scope. + This is the default. + <!--l. 392--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"><table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-472-" ><colgroup id="TBL-472-1g"><col +id="TBL-472-1"><col +id="TBL-472-2"></colgroup><tr + valign="baseline" id="TBL-472-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-472-1-1" +class="td11"> <object data="pgfmanual-549.svg" width="54.0602pt" height="39.83383pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object> </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-472-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">\begin{pgfpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetnonzerorule</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathcircle{\pgfpoint{0mm}{0cm}}{7mm}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathcircle{\pgfpoint{5mm}{0cm}}{7mm}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{fill}</span> +<br><span +class="cmtt-8">\end{pgfpicture}</span></div> </td></tr></table> </td> +</tr></table></div> + </dd></dl> +<!--l. 402--><p class="noindent"> + <h5 class="subsubsectionHead"><span class="titlemark">23.3.2 </span> <a + id="x24-24800023.3.2"></a>Graphic Parameter: Filling Color</h5> +<!--l. 404--><p class="noindent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox272"><span +class="cmtt-10">\pgfsetfillcolor</span><span +class="cmtt-10">{</span><span +class="cmsy-10"><</span><span +class="cmti-10">color</span><span +class="cmsy-10">></span><span +class="cmtt-10">}</span></span> </dt><dd +class="description"> +<a + id="dx24-248001"></a> + <!--l. 405--><p class="noindent">Sets the color used for filling paths to <span +class="cmsy-10"><</span><span +class="cmti-10">color</span><span +class="cmsy-10">></span>. Like the stroke color, the effect lasts only till the next + use of <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">\color</span></span></span>. </dd></dl> +<!--l. 410--><p class="noindent"> + <h5 class="subsubsectionHead"><span class="titlemark">23.3.3 </span> <a + id="x24-24900023.3.3"></a>Graphic Parameter: Fill Opacity</h5> +<!--l. 412--><p class="noindent"> + <dl class="description"><dt class="description"> +<span +class="colorbox" id="colorbox273"><span +class="cmtt-10">\pgfsetfillopacity</span><span +class="cmtt-10">{</span><span +class="cmsy-10"><</span><span +class="cmti-10">value</span><span +class="cmsy-10">></span><span +class="cmtt-10">}</span></span> </dt><dd +class="description"> +<a + id="dx24-249001"></a> + <!--l. 413--><p class="noindent">Sets the opacity of filling operations. As for stroking, the <span +class="cmsy-10"><</span><span +class="cmti-10">value</span><span +class="cmsy-10">> </span>should be a number between <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">0</span></span></span> and <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">1</span></span></span>. + <!--l. 416--><p class="noindent">The “filling transparency” will also be used for text and images. + <!--l. 418--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"> +<table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-473-" ><colgroup id="TBL-473-1g"><col +id="TBL-473-1"><col +id="TBL-473-2"></colgroup><tr + valign="baseline" id="TBL-473-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-473-1-1" +class="td11"> <object data="pgfmanual-550.svg" width="111.87775pt" height="105.27515pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object> </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-473-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">\begin{tikzpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfsetfillopacity{0.5}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \fill[red]</span><span +class="cmtt-8"> </span><span +class="cmtt-8"> </span><span +class="cmtt-8"> (90:1cm)</span><span +class="cmtt-8"> </span><span +class="cmtt-8"> circle</span><span +class="cmtt-8"> (11mm);</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \fill[green]</span><span +class="cmtt-8"> (210:1cm)</span><span +class="cmtt-8"> circle</span><span +class="cmtt-8"> (11mm);</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \fill[blue]</span><span +class="cmtt-8"> </span><span +class="cmtt-8"> (-30:1cm)</span><span +class="cmtt-8"> circle</span><span +class="cmtt-8"> (11mm);</span> +<br><span +class="cmtt-8">\end{tikzpicture}</span></div> </td></tr></table> </td> +</tr></table></div> + </dd></dl> + + +<!--l. 428--><p class="noindent"> + <h4 class="subsectionHead"><span class="titlemark">23.4 </span> <a + id="x24-25000023.4"></a>Clipping a Path</h4> +<!--l. 431--><p class="noindent">When you add the <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">clip</span></span></span> option, the current path is used for clipping subsequent drawings. The same rule as for +filling is used to decide whether a point is inside or outside the path, that is, either the even-odd rule or the nonzero +rule. +<!--l. 436--><p class="indent"> Clipping never enlarges the clipping area. Thus, when you clip against a certain path and then clip again against +another path, you clip against the intersection of both. +<!--l. 440--><p class="indent"> The only way to enlarge the clipping path is to end the <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">{pgfscope}</span></span></span> in which the clipping was +done. At the end of a <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">{pgfscope}</span></span></span> the clipping path that was in force at the beginning of the scope is +reinstalled. +<!--l. 445--><p class="noindent"> + <h4 class="subsectionHead"><span class="titlemark">23.5 </span> <a + id="x24-25100023.5"></a>Using a Path as a Bounding Box</h4> +<!--l. 448--><p class="noindent">When you add the <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">use</span><span +class="cmtt-10"> as</span><span +class="cmtt-10"> bounding</span><span +class="cmtt-10"> box</span></span></span> option, the bounding box of the picture will be enlarged such that the +path in encompassed, but any <span +class="cmti-10">subsequent </span>paths of the current <span class="TEX">T<span +class="E">E</span>X</span> scope will not have any effect on the +size of the bounding box. Typically, you use this command at the very beginning of a <span class="obeylines-h"><span class="verb"><span +class="cmtt-10">{pgfpicture}</span></span></span> +environment. +<!--l. 454--><p class="noindent"><div class="obeylines-v"></div><!--tex4ht:inline--><div class="tabular"><table class="tabular" +cellspacing="0" cellpadding="0" +frame="void" id="TBL-474-" ><colgroup id="TBL-474-1g"><col +id="TBL-474-1"><col +id="TBL-474-2"></colgroup><tr + valign="baseline" id="TBL-474-1-"><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-474-1-1" +class="td11"> Left<object data="pgfmanual-551.svg" width="8.61108pt" height="4.30554pt" type="image/svg+xml"><p>SVG-Viewer needed.</p></object>right. </td><td align="left" style="white-space:nowrap; text-align:left;" id="TBL-474-1-2" +class="td11"> <table class="minipage"><tr><td><div class="obeylines-v"> +<br><span +class="cmtt-8">Left</span> +<br><span +class="cmtt-8">\begin{pgfpicture}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathrectangle{\pgfpointorigin}{\pgfpoint{2ex}{1ex}}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{use</span><span +class="cmtt-8"> as</span><span +class="cmtt-8"> bounding</span><span +class="cmtt-8"> box}</span><span +class="cmtt-8"> </span><span +class="cmsltt-10x-x-80">%</span><span +class="cmsltt-10x-x-80"> draws</span><span +class="cmsltt-10x-x-80"> nothing</span> +<br> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfpathcircle{\pgfpointorigin}{2ex}</span> +<br><span +class="cmtt-8"> </span><span +class="cmtt-8"> \pgfusepath{stroke}</span> +<br><span +class="cmtt-8">\end{pgfpicture}</span> +<br><span +class="cmtt-8">right.</span></div> </td></tr></table> </td> +</tr></table></div> + + + + + + + <div class="crosslinks"><p class="noindent">[<a +href="pgfmanualse24.html" >next</a>] [<a +href="pgfmanualse22.html" >prev</a>] [<a +href="pgfmanualse22.html#tailpgfmanualse22.html" >prev-tail</a>] [<a +href="pgfmanualse23.html" >front</a>] [<a +href="pgfmanual.html#pgfmanualse23.html" >up</a>] </p></div> +<!--l. 8--><p class="indent"> <a + id="tailpgfmanualse23.html"></a> +</body></html> |