← Back to branch summary

~ubuntu-branches/ubuntu/oneiric/qwt/oneiric-proposed

« back to all changes in this revision

Viewing changes to qwt-5.1.1/doc/html/class_qwt_linear_scale_engine.html

  • Committer: Bazaar Package Importer
  • Author(s): Fathi Boudra
  • Date: 2009-04-12 23:25:58 UTC
  • mfrom: (1.1.4 upstream) (2.1.2 squeeze)
  • Revision ID: james.westby@ubuntu.com-20090412232558-3bl06x785yr8xm8u
Tags: 5.1.2-1
* New upstream release.
* Bump compat/debhelper to 7.
* Bump Standards-Version to 3.8.1. No changes needed.
* Invert Maintainers and Uploaders field.
* Fix lintian warnings:
  - dh_clean _k deprecated.
  - missing dependency on libc.

Show diffs side-by-side

added added

removed removed

Lines of Context:
qwt-5.1.1/doc/html/class_qwt_linear_scale_engine.html
1
 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2
 
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
3
 
<title>Qwt User&apos;s Guide: QwtLinearScaleEngine Class Reference</title>
4
 
<link href="doxygen.css" rel="stylesheet" type="text/css">
5
 
<link href="tabs.css" rel="stylesheet" type="text/css">
6
 
</head><body>
7
 
<!-- Generated by Doxygen 1.5.0 -->
8
 
<div class="tabs">
9
 
  <ul>
10
 
    <li><a href="index.html"><span>Main&nbsp;Page</span></a></li>
11
 
    <li id="current"><a href="classes.html"><span>Classes</span></a></li>
12
 
    <li><a href="files.html"><span>Files</span></a></li>
13
 
    <li><a href="pages.html"><span>Related&nbsp;Pages</span></a></li>
14
 
  </ul></div>
15
 
<div class="tabs">
16
 
  <ul>
17
 
    <li><a href="classes.html"><span>Alphabetical&nbsp;List</span></a></li>
18
 
    <li><a href="annotated.html"><span>Class&nbsp;List</span></a></li>
19
 
    <li><a href="hierarchy.html"><span>Class&nbsp;Hierarchy</span></a></li>
20
 
    <li><a href="functions.html"><span>Class&nbsp;Members</span></a></li>
21
 
  </ul></div>
22
 
<h1>QwtLinearScaleEngine Class Reference</h1><!-- doxytag: class="QwtLinearScaleEngine" --><!-- doxytag: inherits="QwtScaleEngine" -->Inheritance diagram for QwtLinearScaleEngine:<p><center><img src="class_qwt_linear_scale_engine__inherit__graph.png" border="0" usemap="#_qwt_linear_scale_engine__inherit__map" alt="Inheritance graph"></center>
23
 
<map name="_qwt_linear_scale_engine__inherit__map">
24
 
<area href="class_qwt_scale_engine.html" shape="rect" coords="26,8,146,32" alt="">
25
 
</map>
26
 
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for QwtLinearScaleEngine:<p><center><img src="class_qwt_linear_scale_engine__coll__graph.png" border="0" usemap="#_qwt_linear_scale_engine__coll__map" alt="Collaboration graph"></center>
27
 
<map name="_qwt_linear_scale_engine__coll__map">
28
 
<area href="class_qwt_scale_engine.html" shape="rect" coords="26,8,146,32" alt="">
29
 
</map>
30
 
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="class_qwt_linear_scale_engine-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
31
 
A scale engine for linear scales. 
32
 
<p>
33
 
The step size will fit into the pattern <img class="formulaInl" alt="$\left\{ 1,2,5\right\} \cdot 10^{n}$" src="form_1.png">, where n is an integer. 
34
 
<p>
35
 
 
36
 
<p>
37
 
Definition at line <a class="el" href="qwt__scale__engine_8h-source.html#l00126">126</a> of file <a class="el" href="qwt__scale__engine_8h-source.html">qwt_scale_engine.h</a>.<table border="0" cellpadding="0" cellspacing="0">
38
 
<tr><td></td></tr>
39
 
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
40
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_linear_scale_engine.html#2b59d0b1b40d476f01b5b693ceac30ed">autoScale</a> (int maxSteps, double &amp;x1, double &amp;x2, double &amp;stepSize) const</td></tr>
41
 
 
42
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_linear_scale_engine.html#9f74287e61d1abfc2096cc88222c132a">divideScale</a> (double x1, double x2, int numMajorSteps, int numMinorSteps, double stepSize=0.0) const</td></tr>
43
 
 
44
 
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="class_qwt_scale_transformation.html">QwtScaleTransformation</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_linear_scale_engine.html#def184ed0c1febe7611d4f91bb09f5d7">transformation</a> () const</td></tr>
45
 
 
46
 
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
47
 
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="class_qwt_double_interval.html">QwtDoubleInterval</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_linear_scale_engine.html#426436e31a379ed26c7d0d976e3ca0a2">align</a> (const <a class="el" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &amp;, double stepSize) const</td></tr>
48
 
 
49
 
</table>
50
 
<hr><h2>Member Function Documentation</h2>
51
 
<a class="anchor" name="2b59d0b1b40d476f01b5b693ceac30ed"></a><!-- doxytag: member="QwtLinearScaleEngine::autoScale" ref="2b59d0b1b40d476f01b5b693ceac30ed" args="(int maxSteps, double &amp;x1, double &amp;x2, double &amp;stepSize) const" -->
52
 
<div class="memitem">
53
 
<div class="memproto">
54
 
      <table class="memname">
55
 
        <tr>
56
 
          <td class="memname">void QwtLinearScaleEngine::autoScale           </td>
57
 
          <td>(</td>
58
 
          <td class="paramtype">int&nbsp;</td>
59
 
          <td class="paramname"> <em>maxNumSteps</em>, </td>
60
 
        </tr>
61
 
        <tr>
62
 
          <td class="paramkey"></td>
63
 
          <td></td>
64
 
          <td class="paramtype">double &amp;&nbsp;</td>
65
 
          <td class="paramname"> <em>x1</em>, </td>
66
 
        </tr>
67
 
        <tr>
68
 
          <td class="paramkey"></td>
69
 
          <td></td>
70
 
          <td class="paramtype">double &amp;&nbsp;</td>
71
 
          <td class="paramname"> <em>x2</em>, </td>
72
 
        </tr>
73
 
        <tr>
74
 
          <td class="paramkey"></td>
75
 
          <td></td>
76
 
          <td class="paramtype">double &amp;&nbsp;</td>
77
 
          <td class="paramname"> <em>stepSize</em></td><td>&nbsp;</td>
78
 
        </tr>
79
 
        <tr>
80
 
          <td></td>
81
 
          <td>)</td>
82
 
          <td></td><td></td><td width="100%"> const<code> [virtual]</code></td>
83
 
        </tr>
84
 
      </table>
85
 
</div>
86
 
<div class="memdoc">
87
 
 
88
 
<p>
89
 
Align and divide an interval<p>
90
 
<dl compact><dt><b>Parameters:</b></dt><dd>
91
 
  <table border="0" cellspacing="2" cellpadding="0">
92
 
    <tr><td valign="top"></td><td valign="top"><em>maxNumSteps</em>&nbsp;</td><td>Max. number of steps </td></tr>
93
 
    <tr><td valign="top"></td><td valign="top"><em>x1</em>&nbsp;</td><td>First limit of the interval (In/Out) </td></tr>
94
 
    <tr><td valign="top"></td><td valign="top"><em>x2</em>&nbsp;</td><td>Second limit of the interval (In/Out) </td></tr>
95
 
    <tr><td valign="top"></td><td valign="top"><em>stepSize</em>&nbsp;</td><td>Step size (Out)</td></tr>
96
 
  </table>
97
 
</dl>
98
 
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_scale_engine.html#cf02a88f6e778edbc9e005960f35b3b7">QwtLinearScaleEngine::setAttribute</a> </dd></dl>
99
 
 
100
 
<p>
101
 
Implements <a class="el" href="class_qwt_scale_engine.html#a27323d6d9d5348bd253a61b45e4785b">QwtScaleEngine</a>.
102
 
<p>
103
 
Definition at line <a class="el" href="qwt__scale__engine_8cpp-source.html#l00416">416</a> of file <a class="el" href="qwt__scale__engine_8cpp-source.html">qwt_scale_engine.cpp</a>.
104
 
<p>
105
 
References <a class="el" href="qwt__scale__engine_8cpp-source.html#l00600">align()</a>, <a class="el" href="qwt__scale__engine_8cpp-source.html#l00309">QwtScaleEngine::buildInterval()</a>, <a class="el" href="qwt__scale__engine_8cpp-source.html#l00233">QwtScaleEngine::divideInterval()</a>, <a class="el" href="qwt__double__interval_8cpp-source.html#l00185">QwtDoubleInterval::extend()</a>, <a class="el" href="qwt__scale__engine_8cpp-source.html#l00198">QwtScaleEngine::hiMargin()</a>, <a class="el" href="qwt__scale__engine_8cpp-source.html#l00187">QwtScaleEngine::loMargin()</a>, <a class="el" href="qwt__double__interval_8h-source.html#l00134">QwtDoubleInterval::maxValue()</a>, <a class="el" href="qwt__double__interval_8h-source.html#l00128">QwtDoubleInterval::minValue()</a>, <a class="el" href="qwt__double__interval_8cpp-source.html#l00028">QwtDoubleInterval::normalized()</a>, <a class="el" href="qwt__scale__engine_8cpp-source.html#l00393">QwtScaleEngine::reference()</a>, <a class="el" href="qwt__double__interval_8h-source.html#l00122">QwtDoubleInterval::setMaxValue()</a>, <a class="el" href="qwt__double__interval_8h-source.html#l00112">QwtDoubleInterval::setMinValue()</a>, <a class="el" href="qwt__double__interval_8cpp-source.html#l00140">QwtDoubleInterval::symmetrize()</a>, <a class="el" href="qwt__scale__engine_8cpp-source.html#l00353">QwtScaleEngine::testAttribute()</a>, and <a class="el" href="qwt__double__interval_8h-source.html#l00146">QwtDoubleInterval::width()</a>.
106
 
</div>
107
 
</div><p>
108
 
<a class="anchor" name="9f74287e61d1abfc2096cc88222c132a"></a><!-- doxytag: member="QwtLinearScaleEngine::divideScale" ref="9f74287e61d1abfc2096cc88222c132a" args="(double x1, double x2, int numMajorSteps, int numMinorSteps, double stepSize=0.0) const" -->
109
 
<div class="memitem">
110
 
<div class="memproto">
111
 
      <table class="memname">
112
 
        <tr>
113
 
          <td class="memname"><a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> QwtLinearScaleEngine::divideScale           </td>
114
 
          <td>(</td>
115
 
          <td class="paramtype">double&nbsp;</td>
116
 
          <td class="paramname"> <em>x1</em>, </td>
117
 
        </tr>
118
 
        <tr>
119
 
          <td class="paramkey"></td>
120
 
          <td></td>
121
 
          <td class="paramtype">double&nbsp;</td>
122
 
          <td class="paramname"> <em>x2</em>, </td>
123
 
        </tr>
124
 
        <tr>
125
 
          <td class="paramkey"></td>
126
 
          <td></td>
127
 
          <td class="paramtype">int&nbsp;</td>
128
 
          <td class="paramname"> <em>maxMajSteps</em>, </td>
129
 
        </tr>
130
 
        <tr>
131
 
          <td class="paramkey"></td>
132
 
          <td></td>
133
 
          <td class="paramtype">int&nbsp;</td>
134
 
          <td class="paramname"> <em>maxMinSteps</em>, </td>
135
 
        </tr>
136
 
        <tr>
137
 
          <td class="paramkey"></td>
138
 
          <td></td>
139
 
          <td class="paramtype">double&nbsp;</td>
140
 
          <td class="paramname"> <em>stepSize</em> = <code>0.0</code></td><td>&nbsp;</td>
141
 
        </tr>
142
 
        <tr>
143
 
          <td></td>
144
 
          <td>)</td>
145
 
          <td></td><td></td><td width="100%"> const<code> [virtual]</code></td>
146
 
        </tr>
147
 
      </table>
148
 
</div>
149
 
<div class="memdoc">
150
 
 
151
 
<p>
152
 
Calculate a scale division. 
153
 
<p>
154
 
<dl compact><dt><b>Parameters:</b></dt><dd>
155
 
  <table border="0" cellspacing="2" cellpadding="0">
156
 
    <tr><td valign="top"></td><td valign="top"><em>x1</em>&nbsp;</td><td>First interval limit </td></tr>
157
 
    <tr><td valign="top"></td><td valign="top"><em>x2</em>&nbsp;</td><td>Second interval limit </td></tr>
158
 
    <tr><td valign="top"></td><td valign="top"><em>maxMajSteps</em>&nbsp;</td><td>Maximum for the number of major steps </td></tr>
159
 
    <tr><td valign="top"></td><td valign="top"><em>maxMinSteps</em>&nbsp;</td><td>Maximum number of minor steps </td></tr>
160
 
    <tr><td valign="top"></td><td valign="top"><em>stepSize</em>&nbsp;</td><td>Step size. If stepSize == 0, the scaleEngine calculates one.</td></tr>
161
 
  </table>
162
 
</dl>
163
 
<dl class="see" compact><dt><b>See also:</b></dt><dd>QwtScaleEngine::stepSize, QwtScaleEngine::subDivide </dd></dl>
164
 
 
165
 
<p>
166
 
Implements <a class="el" href="class_qwt_scale_engine.html#9e788f29baf63184297f55350dd58e30">QwtScaleEngine</a>.
167
 
<p>
168
 
Definition at line <a class="el" href="qwt__scale__engine_8cpp-source.html#l00461">461</a> of file <a class="el" href="qwt__scale__engine_8cpp-source.html">qwt_scale_engine.cpp</a>.
169
 
<p>
170
 
References <a class="el" href="qwt__scale__engine_8cpp-source.html#l00233">QwtScaleEngine::divideInterval()</a>, and <a class="el" href="qwt__double__interval_8h-source.html#l00146">QwtDoubleInterval::width()</a>.
171
 
<p>
172
 
Referenced by <a class="el" href="qwt__scale__engine_8cpp-source.html#l00686">QwtLog10ScaleEngine::divideScale()</a>, and <a class="el" href="qwt__dial_8cpp-source.html#l00811">QwtDial::updateScale()</a>.
173
 
</div>
174
 
</div><p>
175
 
<a class="anchor" name="def184ed0c1febe7611d4f91bb09f5d7"></a><!-- doxytag: member="QwtLinearScaleEngine::transformation" ref="def184ed0c1febe7611d4f91bb09f5d7" args="() const" -->
176
 
<div class="memitem">
177
 
<div class="memproto">
178
 
      <table class="memname">
179
 
        <tr>
180
 
          <td class="memname"><a class="el" href="class_qwt_scale_transformation.html">QwtScaleTransformation</a> * QwtLinearScaleEngine::transformation           </td>
181
 
          <td>(</td>
182
 
          <td class="paramname">          </td>
183
 
          <td>&nbsp;)&nbsp;</td>
184
 
          <td width="100%"> const<code> [virtual]</code></td>
185
 
        </tr>
186
 
      </table>
187
 
</div>
188
 
<div class="memdoc">
189
 
 
190
 
<p>
191
 
Return a transformation, for linear scales 
192
 
<p>
193
 
Implements <a class="el" href="class_qwt_scale_engine.html#8219578551ce5fd1ab8cccd657afdc71">QwtScaleEngine</a>.
194
 
<p>
195
 
Definition at line <a class="el" href="qwt__scale__engine_8cpp-source.html#l00401">401</a> of file <a class="el" href="qwt__scale__engine_8cpp-source.html">qwt_scale_engine.cpp</a>.
196
 
<p>
197
 
Referenced by <a class="el" href="qwt__dial_8cpp-source.html#l00811">QwtDial::updateScale()</a>.
198
 
</div>
199
 
</div><p>
200
 
<a class="anchor" name="426436e31a379ed26c7d0d976e3ca0a2"></a><!-- doxytag: member="QwtLinearScaleEngine::align" ref="426436e31a379ed26c7d0d976e3ca0a2" args="(const QwtDoubleInterval &amp;, double stepSize) const" -->
201
 
<div class="memitem">
202
 
<div class="memproto">
203
 
      <table class="memname">
204
 
        <tr>
205
 
          <td class="memname"><a class="el" href="class_qwt_double_interval.html">QwtDoubleInterval</a> QwtLinearScaleEngine::align           </td>
206
 
          <td>(</td>
207
 
          <td class="paramtype">const <a class="el" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &amp;&nbsp;</td>
208
 
          <td class="paramname"> <em>interval</em>, </td>
209
 
        </tr>
210
 
        <tr>
211
 
          <td class="paramkey"></td>
212
 
          <td></td>
213
 
          <td class="paramtype">double&nbsp;</td>
214
 
          <td class="paramname"> <em>stepSize</em></td><td>&nbsp;</td>
215
 
        </tr>
216
 
        <tr>
217
 
          <td></td>
218
 
          <td>)</td>
219
 
          <td></td><td></td><td width="100%"> const<code> [protected]</code></td>
220
 
        </tr>
221
 
      </table>
222
 
</div>
223
 
<div class="memdoc">
224
 
 
225
 
<p>
226
 
Align an interval to a step size. 
227
 
<p>
228
 
The limits of an interval are aligned that both are integer multiples of the step size.<p>
229
 
<dl compact><dt><b>Parameters:</b></dt><dd>
230
 
  <table border="0" cellspacing="2" cellpadding="0">
231
 
    <tr><td valign="top"></td><td valign="top"><em>interval</em>&nbsp;</td><td>Interval </td></tr>
232
 
    <tr><td valign="top"></td><td valign="top"><em>stepSize</em>&nbsp;</td><td>Step size</td></tr>
233
 
  </table>
234
 
</dl>
235
 
<dl class="return" compact><dt><b>Returns:</b></dt><dd>Aligned interval </dd></dl>
236
 
 
237
 
<p>
238
 
Definition at line <a class="el" href="qwt__scale__engine_8cpp-source.html#l00600">600</a> of file <a class="el" href="qwt__scale__engine_8cpp-source.html">qwt_scale_engine.cpp</a>.
239
 
<p>
240
 
References <a class="el" href="qwt__scale__engine_8cpp-source.html#l00050">QwtScaleArithmetic::ceilEps()</a>, <a class="el" href="qwt__scale__engine_8cpp-source.html#l00067">QwtScaleArithmetic::floorEps()</a>, <a class="el" href="qwt__double__interval_8h-source.html#l00134">QwtDoubleInterval::maxValue()</a>, and <a class="el" href="qwt__double__interval_8h-source.html#l00128">QwtDoubleInterval::minValue()</a>.
241
 
<p>
242
 
Referenced by <a class="el" href="qwt__scale__engine_8cpp-source.html#l00416">autoScale()</a>.
243
 
</div>
244
 
</div><p>
245
 
<hr size="1"><address style="align: right;"><small>Generated on Sat May 24 18:48:18 2008 for Qwt User's Guide by&nbsp;
246
 
<a href="http://www.doxygen.org/index.html">
247
 
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.0 </small></address>
248
 
</body>
249
 
</html>