518 lines
43 KiB
HTML
518 lines
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 <span id="projectnumber">6.2.0</span>
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<a href="#pub-types">Public Types</a> |
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<div class="title">QwtSplineLocal Class Reference</div> </div>
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<p>A spline with C1 continuity.
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<a href="class_qwt_spline_local.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="qwt__spline__local_8h_source.html">qwt_spline_local.h</a>></code></p>
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Inheritance diagram for QwtSplineLocal:</div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
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Public Types</h2></td></tr>
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<tr class="memitem:a1b65106f91b7cdbc7a389f3389041407"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_local.html#a1b65106f91b7cdbc7a389f3389041407">Type</a> { <a class="el" href="class_qwt_spline_local.html#a1b65106f91b7cdbc7a389f3389041407ad691c00c49d088f841cb3068ba960b41">Cardinal</a>
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, <a class="el" href="class_qwt_spline_local.html#a1b65106f91b7cdbc7a389f3389041407ad4323015af5b06447bd4a6ac84c60f3c">ParabolicBlending</a>
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, <a class="el" href="class_qwt_spline_local.html#a1b65106f91b7cdbc7a389f3389041407a119134ba7624f50c37a57cdd7a862dc2">Akima</a>
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, <a class="el" href="class_qwt_spline_local.html#a1b65106f91b7cdbc7a389f3389041407acf64689481d8f90d5cbc2fa4e7a08958">PChip</a>
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}</td></tr>
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<tr class="memdesc:a1b65106f91b7cdbc7a389f3389041407"><td class="mdescLeft"> </td><td class="mdescRight">Spline interpolation type. <a href="class_qwt_spline_local.html#a1b65106f91b7cdbc7a389f3389041407">More...</a><br /></td></tr>
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<tr class="separator:a1b65106f91b7cdbc7a389f3389041407"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_types_class_qwt_spline"><td colspan="2" onclick="javascript:toggleInherit('pub_types_class_qwt_spline')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="class_qwt_spline.html">QwtSpline</a></td></tr>
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<tr class="memitem:ad82b1f33946d2489511f5e697a32b128 inherit pub_types_class_qwt_spline"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128">BoundaryType</a> { <a class="el" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128af5bf38b7f712e69c699458cd6dfef711">ConditionalBoundaries</a>
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, <a class="el" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128aeec4576967e31745e7d96d3a8a016171">PeriodicPolygon</a>
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, <a class="el" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1">ClosedPolygon</a>
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}</td></tr>
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<tr class="separator:ad82b1f33946d2489511f5e697a32b128 inherit pub_types_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a21cca305dad4f1e21437953c4801595a inherit pub_types_class_qwt_spline"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">BoundaryPosition</a> { <a class="el" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa0efcdb6fbf1e583097ec297b43f26024">AtBeginning</a>
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, <a class="el" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595aa633399daff8a04d92e61ca776e878e55">AtEnd</a>
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}</td></tr>
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<tr class="separator:a21cca305dad4f1e21437953c4801595a inherit pub_types_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af2195032fa62c2b9fe74dc4d44b636cb inherit pub_types_class_qwt_spline"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cb">BoundaryCondition</a> { <a class="el" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba94d03f64008ad0ed1e2e92bd96414028">Clamped1</a>
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, <a class="el" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba43442b0f55b141b857d6c2ab56cd9afe">Clamped2</a>
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, <a class="el" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba897bc245acbf65ee2f1801c779de15b3">Clamped3</a>
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, <a class="el" href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cba6ad4241cc59f456d77eb70b289e5782a">LinearRunout</a>
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}</td></tr>
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<tr class="memdesc:af2195032fa62c2b9fe74dc4d44b636cb"><td class="mdescLeft"> </td><td class="mdescRight">Boundary condition. <a href="class_qwt_spline.html#af2195032fa62c2b9fe74dc4d44b636cb">More...</a><br /></td></tr>
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<tr class="separator:af2195032fa62c2b9fe74dc4d44b636cb inherit pub_types_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:abd008f03f1c466d2f8c9358ad3772874"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_local.html#abd008f03f1c466d2f8c9358ad3772874">QwtSplineLocal</a> (<a class="el" href="class_qwt_spline_local.html#a1b65106f91b7cdbc7a389f3389041407">Type</a> <a class="el" href="class_qwt_spline_local.html#a5cb4f022abee9d29f6f7ef6b670df776">type</a>)</td></tr>
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<tr class="memdesc:abd008f03f1c466d2f8c9358ad3772874"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="class_qwt_spline_local.html#abd008f03f1c466d2f8c9358ad3772874">More...</a><br /></td></tr>
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<tr class="separator:abd008f03f1c466d2f8c9358ad3772874"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a40032cd1cab6e9ec600bbbd7849988a3"><td class="memItemLeft" align="right" valign="top"><a id="a40032cd1cab6e9ec600bbbd7849988a3"></a>
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virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_local.html#a40032cd1cab6e9ec600bbbd7849988a3">~QwtSplineLocal</a> ()</td></tr>
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<tr class="memdesc:a40032cd1cab6e9ec600bbbd7849988a3"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
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<tr class="separator:a40032cd1cab6e9ec600bbbd7849988a3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5cb4f022abee9d29f6f7ef6b670df776"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_spline_local.html#a1b65106f91b7cdbc7a389f3389041407">Type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_local.html#a5cb4f022abee9d29f6f7ef6b670df776">type</a> () const</td></tr>
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<tr class="separator:a5cb4f022abee9d29f6f7ef6b670df776"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a76371196a0f089b7aaebafb691bbd7ce"><td class="memItemLeft" align="right" valign="top">virtual uint </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_local.html#a76371196a0f089b7aaebafb691bbd7ce">locality</a> () const override</td></tr>
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<tr class="separator:a76371196a0f089b7aaebafb691bbd7ce"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aaf946d9c3fce948f4cab2d950b13c16a"><td class="memItemLeft" align="right" valign="top">virtual QPainterPath </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_local.html#aaf946d9c3fce948f4cab2d950b13c16a">painterPath</a> (const QPolygonF &) const override</td></tr>
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<tr class="memdesc:aaf946d9c3fce948f4cab2d950b13c16a"><td class="mdescLeft"> </td><td class="mdescRight">Interpolate a curve with Bezier curves. <a href="class_qwt_spline_local.html#aaf946d9c3fce948f4cab2d950b13c16a">More...</a><br /></td></tr>
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<tr class="separator:aaf946d9c3fce948f4cab2d950b13c16a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af41043d3b8c664c99f3c38a9f6e8c141"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_q_vector.html">QVector</a>< QLineF > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_local.html#af41043d3b8c664c99f3c38a9f6e8c141">bezierControlLines</a> (const QPolygonF &) const override</td></tr>
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<tr class="memdesc:af41043d3b8c664c99f3c38a9f6e8c141"><td class="mdescLeft"> </td><td class="mdescRight">Interpolate a curve with Bezier curves. <a href="class_qwt_spline_local.html#af41043d3b8c664c99f3c38a9f6e8c141">More...</a><br /></td></tr>
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<tr class="separator:af41043d3b8c664c99f3c38a9f6e8c141"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:afcf07ad4628e9b5cab639e3c7a0e64e7"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_q_vector.html">QVector</a>< <a class="el" href="class_qwt_spline_polynomial.html">QwtSplinePolynomial</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_local.html#afcf07ad4628e9b5cab639e3c7a0e64e7">polynomials</a> (const QPolygonF &) const override</td></tr>
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<tr class="memdesc:afcf07ad4628e9b5cab639e3c7a0e64e7"><td class="mdescLeft"> </td><td class="mdescRight">Calculate the interpolating polynomials for a non parametric spline. <a href="class_qwt_spline_local.html#afcf07ad4628e9b5cab639e3c7a0e64e7">More...</a><br /></td></tr>
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<tr class="separator:afcf07ad4628e9b5cab639e3c7a0e64e7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af86995e3805a71c68a623145044d36c2"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_q_vector.html">QVector</a>< double > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_local.html#af86995e3805a71c68a623145044d36c2">slopes</a> (const QPolygonF &) const override</td></tr>
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<tr class="memdesc:af86995e3805a71c68a623145044d36c2"><td class="mdescLeft"> </td><td class="mdescRight">Find the first derivative at the control points. <a href="class_qwt_spline_local.html#af86995e3805a71c68a623145044d36c2">More...</a><br /></td></tr>
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<tr class="separator:af86995e3805a71c68a623145044d36c2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_methods_class_qwt_spline_c1"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_qwt_spline_c1')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_qwt_spline_c1.html">QwtSplineC1</a></td></tr>
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<tr class="memitem:a4924927ec8a3f9dde92692898ccf6cf5 inherit pub_methods_class_qwt_spline_c1"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_c1.html#a4924927ec8a3f9dde92692898ccf6cf5">QwtSplineC1</a> ()</td></tr>
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<tr class="memdesc:a4924927ec8a3f9dde92692898ccf6cf5 inherit pub_methods_class_qwt_spline_c1"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="class_qwt_spline_c1.html#a4924927ec8a3f9dde92692898ccf6cf5">More...</a><br /></td></tr>
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<tr class="separator:a4924927ec8a3f9dde92692898ccf6cf5 inherit pub_methods_class_qwt_spline_c1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a33140db5071e38ef20d09de29414a13b inherit pub_methods_class_qwt_spline_c1"><td class="memItemLeft" align="right" valign="top"><a id="a33140db5071e38ef20d09de29414a13b"></a>
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virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_c1.html#a33140db5071e38ef20d09de29414a13b">~QwtSplineC1</a> ()</td></tr>
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<tr class="memdesc:a33140db5071e38ef20d09de29414a13b inherit pub_methods_class_qwt_spline_c1"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
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<tr class="separator:a33140db5071e38ef20d09de29414a13b inherit pub_methods_class_qwt_spline_c1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a900ac5247f71ed344a46326c6064ec6b inherit pub_methods_class_qwt_spline_c1"><td class="memItemLeft" align="right" valign="top">virtual QPolygonF </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_c1.html#a900ac5247f71ed344a46326c6064ec6b">equidistantPolygon</a> (const QPolygonF &, double distance, bool withNodes) const override</td></tr>
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<tr class="memdesc:a900ac5247f71ed344a46326c6064ec6b inherit pub_methods_class_qwt_spline_c1"><td class="mdescLeft"> </td><td class="mdescRight">Find an interpolated polygon with "equidistant" points. <a href="class_qwt_spline_c1.html#a900ac5247f71ed344a46326c6064ec6b">More...</a><br /></td></tr>
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<tr class="separator:a900ac5247f71ed344a46326c6064ec6b inherit pub_methods_class_qwt_spline_c1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4befa20c7cc5bed3f3f14d52ff639f48 inherit pub_methods_class_qwt_spline_c1"><td class="memItemLeft" align="right" valign="top">virtual double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_c1.html#a4befa20c7cc5bed3f3f14d52ff639f48">slopeAtBeginning</a> (const QPolygonF &, double slopeNext) const</td></tr>
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<tr class="separator:a4befa20c7cc5bed3f3f14d52ff639f48 inherit pub_methods_class_qwt_spline_c1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9fed720ae4d5d4e6ea6c8e3727587e5e inherit pub_methods_class_qwt_spline_c1"><td class="memItemLeft" align="right" valign="top">virtual double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_c1.html#a9fed720ae4d5d4e6ea6c8e3727587e5e">slopeAtEnd</a> (const QPolygonF &, double slopeBefore) const</td></tr>
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<tr class="separator:a9fed720ae4d5d4e6ea6c8e3727587e5e inherit pub_methods_class_qwt_spline_c1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_methods_class_qwt_spline_g1"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_qwt_spline_g1')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_qwt_spline_g1.html">QwtSplineG1</a></td></tr>
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<tr class="memitem:aba43f62873a477b2733d4ced610d038d inherit pub_methods_class_qwt_spline_g1"><td class="memItemLeft" align="right" valign="top"><a id="aba43f62873a477b2733d4ced610d038d"></a>
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 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_g1.html#aba43f62873a477b2733d4ced610d038d">QwtSplineG1</a> ()</td></tr>
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<tr class="memdesc:aba43f62873a477b2733d4ced610d038d inherit pub_methods_class_qwt_spline_g1"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <br /></td></tr>
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<tr class="separator:aba43f62873a477b2733d4ced610d038d inherit pub_methods_class_qwt_spline_g1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a441218078365cb31416fd28501eefa2f inherit pub_methods_class_qwt_spline_g1"><td class="memItemLeft" align="right" valign="top"><a id="a441218078365cb31416fd28501eefa2f"></a>
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virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_g1.html#a441218078365cb31416fd28501eefa2f">~QwtSplineG1</a> ()</td></tr>
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<tr class="memdesc:a441218078365cb31416fd28501eefa2f inherit pub_methods_class_qwt_spline_g1"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
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<tr class="separator:a441218078365cb31416fd28501eefa2f inherit pub_methods_class_qwt_spline_g1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_methods_class_qwt_spline_interpolating"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_qwt_spline_interpolating')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_qwt_spline_interpolating.html">QwtSplineInterpolating</a></td></tr>
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<tr class="memitem:a9f8a93111263da26788c4ae9034411d5 inherit pub_methods_class_qwt_spline_interpolating"><td class="memItemLeft" align="right" valign="top"><a id="a9f8a93111263da26788c4ae9034411d5"></a>
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 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_interpolating.html#a9f8a93111263da26788c4ae9034411d5">QwtSplineInterpolating</a> ()</td></tr>
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<tr class="memdesc:a9f8a93111263da26788c4ae9034411d5 inherit pub_methods_class_qwt_spline_interpolating"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <br /></td></tr>
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<tr class="separator:a9f8a93111263da26788c4ae9034411d5 inherit pub_methods_class_qwt_spline_interpolating"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1a1e39267da1d9d0f8a1c670777163a4 inherit pub_methods_class_qwt_spline_interpolating"><td class="memItemLeft" align="right" valign="top"><a id="a1a1e39267da1d9d0f8a1c670777163a4"></a>
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virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_interpolating.html#a1a1e39267da1d9d0f8a1c670777163a4">~QwtSplineInterpolating</a> ()</td></tr>
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<tr class="memdesc:a1a1e39267da1d9d0f8a1c670777163a4 inherit pub_methods_class_qwt_spline_interpolating"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
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<tr class="separator:a1a1e39267da1d9d0f8a1c670777163a4 inherit pub_methods_class_qwt_spline_interpolating"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab7ae76bbd1a085a267cdd54353ece2c2 inherit pub_methods_class_qwt_spline_interpolating"><td class="memItemLeft" align="right" valign="top">virtual QPolygonF </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">polygon</a> (const QPolygonF &, double tolerance) const override</td></tr>
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<tr class="memdesc:ab7ae76bbd1a085a267cdd54353ece2c2 inherit pub_methods_class_qwt_spline_interpolating"><td class="mdescLeft"> </td><td class="mdescRight">Interpolate a curve by a polygon. <a href="class_qwt_spline_interpolating.html#ab7ae76bbd1a085a267cdd54353ece2c2">More...</a><br /></td></tr>
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<tr class="separator:ab7ae76bbd1a085a267cdd54353ece2c2 inherit pub_methods_class_qwt_spline_interpolating"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_methods_class_qwt_spline"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_qwt_spline')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_qwt_spline.html">QwtSpline</a></td></tr>
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<tr class="memitem:a5d1e0ba35c637a88c66d9e4cbaf36e93 inherit pub_methods_class_qwt_spline"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#a5d1e0ba35c637a88c66d9e4cbaf36e93">QwtSpline</a> ()</td></tr>
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<tr class="memdesc:a5d1e0ba35c637a88c66d9e4cbaf36e93 inherit pub_methods_class_qwt_spline"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="class_qwt_spline.html#a5d1e0ba35c637a88c66d9e4cbaf36e93">More...</a><br /></td></tr>
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<tr class="separator:a5d1e0ba35c637a88c66d9e4cbaf36e93 inherit pub_methods_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a90805882826469c94fdc871f18261bb6 inherit pub_methods_class_qwt_spline"><td class="memItemLeft" align="right" valign="top"><a id="a90805882826469c94fdc871f18261bb6"></a>
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virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#a90805882826469c94fdc871f18261bb6">~QwtSpline</a> ()</td></tr>
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<tr class="memdesc:a90805882826469c94fdc871f18261bb6 inherit pub_methods_class_qwt_spline"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
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<tr class="separator:a90805882826469c94fdc871f18261bb6 inherit pub_methods_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:afb4959b1db04dd021b0a49752b66fac3 inherit pub_methods_class_qwt_spline"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#afb4959b1db04dd021b0a49752b66fac3">setParametrization</a> (int type)</td></tr>
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<tr class="separator:afb4959b1db04dd021b0a49752b66fac3 inherit pub_methods_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7d2dd1a36183afc5394ee6b39c09bc8c inherit pub_methods_class_qwt_spline"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#a7d2dd1a36183afc5394ee6b39c09bc8c">setParametrization</a> (<a class="el" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a> *)</td></tr>
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<tr class="separator:a7d2dd1a36183afc5394ee6b39c09bc8c inherit pub_methods_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6aa6f2c0b844e6a27284aa474c6bca7b inherit pub_methods_class_qwt_spline"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a> () const</td></tr>
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<tr class="separator:a6aa6f2c0b844e6a27284aa474c6bca7b inherit pub_methods_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a48ddb960940cd1bd6d6707dd0ebb8785 inherit pub_methods_class_qwt_spline"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#a48ddb960940cd1bd6d6707dd0ebb8785">setBoundaryType</a> (<a class="el" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128">BoundaryType</a>)</td></tr>
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<tr class="separator:a48ddb960940cd1bd6d6707dd0ebb8785 inherit pub_methods_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7f5f43e9e83fd23210ac528802c0496d inherit pub_methods_class_qwt_spline"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128">BoundaryType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a> () const</td></tr>
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<tr class="separator:a7f5f43e9e83fd23210ac528802c0496d inherit pub_methods_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac14c58e4301b85732c97a4daaf7a9b8b inherit pub_methods_class_qwt_spline"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#ac14c58e4301b85732c97a4daaf7a9b8b">setBoundaryValue</a> (<a class="el" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">BoundaryPosition</a>, double value)</td></tr>
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<tr class="memdesc:ac14c58e4301b85732c97a4daaf7a9b8b inherit pub_methods_class_qwt_spline"><td class="mdescLeft"> </td><td class="mdescRight">Define the boundary value. <a href="class_qwt_spline.html#ac14c58e4301b85732c97a4daaf7a9b8b">More...</a><br /></td></tr>
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<tr class="separator:ac14c58e4301b85732c97a4daaf7a9b8b inherit pub_methods_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3a51db25eb5f3e4716fe172ae3ca35ec inherit pub_methods_class_qwt_spline"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#a3a51db25eb5f3e4716fe172ae3ca35ec">boundaryValue</a> (<a class="el" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">BoundaryPosition</a>) const</td></tr>
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<tr class="separator:a3a51db25eb5f3e4716fe172ae3ca35ec inherit pub_methods_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6306d24451d24f16d30880b9114d3052 inherit pub_methods_class_qwt_spline"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#a6306d24451d24f16d30880b9114d3052">setBoundaryCondition</a> (<a class="el" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">BoundaryPosition</a>, int condition)</td></tr>
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<tr class="memdesc:a6306d24451d24f16d30880b9114d3052 inherit pub_methods_class_qwt_spline"><td class="mdescLeft"> </td><td class="mdescRight">Define the condition for an endpoint of the spline. <a href="class_qwt_spline.html#a6306d24451d24f16d30880b9114d3052">More...</a><br /></td></tr>
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<tr class="separator:a6306d24451d24f16d30880b9114d3052 inherit pub_methods_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a77de5f694c70a7c0b34a02c04093fcee inherit pub_methods_class_qwt_spline"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#a77de5f694c70a7c0b34a02c04093fcee">boundaryCondition</a> (<a class="el" href="class_qwt_spline.html#a21cca305dad4f1e21437953c4801595a">BoundaryPosition</a>) const</td></tr>
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<tr class="separator:a77de5f694c70a7c0b34a02c04093fcee inherit pub_methods_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa890bace9e318d1bff4fb03ed7d6e9c3 inherit pub_methods_class_qwt_spline"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline.html#aa890bace9e318d1bff4fb03ed7d6e9c3">setBoundaryConditions</a> (int condition, double valueBegin=0.0, double valueEnd=0.0)</td></tr>
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<tr class="memdesc:aa890bace9e318d1bff4fb03ed7d6e9c3 inherit pub_methods_class_qwt_spline"><td class="mdescLeft"> </td><td class="mdescRight">Define the condition at the endpoints of a spline. <a href="class_qwt_spline.html#aa890bace9e318d1bff4fb03ed7d6e9c3">More...</a><br /></td></tr>
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<tr class="separator:aa890bace9e318d1bff4fb03ed7d6e9c3 inherit pub_methods_class_qwt_spline"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>A spline with C1 continuity. </p>
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<p><a class="el" href="class_qwt_spline_local.html" title="A spline with C1 continuity.">QwtSplineLocal</a> offers several standard algorithms for interpolating a curve with polynomials having C1 continuity at the control points. All algorithms are local in a sense, that changing one control point only few polynomials. </p>
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<p class="definition">Definition at line <a class="el" href="qwt__spline__local_8h_source.html#l00024">24</a> of file <a class="el" href="qwt__spline__local_8h_source.html">qwt_spline_local.h</a>.</p>
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</div><h2 class="groupheader">Member Enumeration Documentation</h2>
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<a id="a1b65106f91b7cdbc7a389f3389041407"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a1b65106f91b7cdbc7a389f3389041407">◆ </a></span>Type</h2>
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<tr>
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<td class="memname">enum <a class="el" href="class_qwt_spline_local.html#a1b65106f91b7cdbc7a389f3389041407">QwtSplineLocal::Type</a></td>
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<p>Spline interpolation type. </p>
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<p>All type of spline interpolations are lightweight algorithms calculating the slopes at a point by looking 1 or 2 points back and ahead. </p>
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<table class="fieldtable">
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a1b65106f91b7cdbc7a389f3389041407ad691c00c49d088f841cb3068ba960b41"></a>Cardinal </td><td class="fielddoc"><p>A cardinal spline</p>
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<p>The cardinal spline interpolation is a very cheap calculation with a locality of 1. </p>
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</td></tr>
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<tr><td class="fieldname"><a id="a1b65106f91b7cdbc7a389f3389041407ad4323015af5b06447bd4a6ac84c60f3c"></a>ParabolicBlending </td><td class="fielddoc"><p>Parabolic blending is a cheap calculation with a locality of 1. Sometimes it is also called Cubic Bessel interpolation. </p>
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</td></tr>
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<tr><td class="fieldname"><a id="a1b65106f91b7cdbc7a389f3389041407a119134ba7624f50c37a57cdd7a862dc2"></a>Akima </td><td class="fielddoc"><p>The algorithm of H.Akima is a calculation with a locality of 2. </p>
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</td></tr>
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<tr><td class="fieldname"><a id="a1b65106f91b7cdbc7a389f3389041407acf64689481d8f90d5cbc2fa4e7a08958"></a>PChip </td><td class="fielddoc"><p>Piecewise Cubic Hermite Interpolating Polynomial (PCHIP) is an algorithm that is popular because of being offered by MATLAB.</p>
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<p>It preserves the shape of the data and respects monotonicity. It has a locality of 1. </p>
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</td></tr>
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</table>
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<p class="definition">Definition at line <a class="el" href="qwt__spline__local_8h_source.html#l00034">34</a> of file <a class="el" href="qwt__spline__local_8h_source.html">qwt_spline_local.h</a>.</p>
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</div>
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</div>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<a id="abd008f03f1c466d2f8c9358ad3772874"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#abd008f03f1c466d2f8c9358ad3772874">◆ </a></span>QwtSplineLocal()</h2>
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<td class="memname">QwtSplineLocal::QwtSplineLocal </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="class_qwt_spline_local.html#a1b65106f91b7cdbc7a389f3389041407">Type</a> </td>
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<td class="paramname"><em>type</em></td><td>)</td>
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<td></td>
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<p>Constructor. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">type</td><td>Spline type, specifying the type of interpolation </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_spline_local.html#a5cb4f022abee9d29f6f7ef6b670df776">type()</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__spline__local_8cpp_source.html#l00450">450</a> of file <a class="el" href="qwt__spline__local_8cpp_source.html">qwt_spline_local.cpp</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<a id="af41043d3b8c664c99f3c38a9f6e8c141"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#af41043d3b8c664c99f3c38a9f6e8c141">◆ </a></span>bezierControlLines()</h2>
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<td class="memname"><a class="el" href="class_q_vector.html">QVector</a>< QLineF > QwtSplineLocal::bezierControlLines </td>
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<td>(</td>
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<td class="paramtype">const QPolygonF & </td>
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<td class="paramname"><em>points</em></td><td>)</td>
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<td> const</td>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>Interpolate a curve with Bezier curves. </p>
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<p>Interpolates a polygon piecewise with cubic Bezier curves and returns the 2 control points of each curve as QLineF.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">points</td><td>Control points </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Control points of the interpolating Bezier curves </dd></dl>
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<p>Reimplemented from <a class="el" href="class_qwt_spline_c1.html#a95bd3ff76fa0975f07b2351f4194e60e">QwtSplineC1</a>.</p>
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<p class="definition">Definition at line <a class="el" href="qwt__spline__local_8cpp_source.html#l00502">502</a> of file <a class="el" href="qwt__spline__local_8cpp_source.html">qwt_spline_local.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a76371196a0f089b7aaebafb691bbd7ce">◆ </a></span>locality()</h2>
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<td class="memname">uint QwtSplineLocal::locality </td>
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<td> const</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>The locality of an spline interpolation identifies how many adjacent polynomials are affected, when changing the position of one point.</p>
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<p>The Cardinal, ParabolicBlending and PChip algorithms have a locality of 1, while the Akima interpolation has a locality of 2.</p>
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<dl class="section return"><dt>Returns</dt><dd>1 or 2. </dd></dl>
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<p>Reimplemented from <a class="el" href="class_qwt_spline.html#a8530fa87bf65a42492014b50614d0595">QwtSpline</a>.</p>
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<p class="definition">Definition at line <a class="el" href="qwt__spline__local_8cpp_source.html#l00552">552</a> of file <a class="el" href="qwt__spline__local_8cpp_source.html">qwt_spline_local.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aaf946d9c3fce948f4cab2d950b13c16a">◆ </a></span>painterPath()</h2>
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<td class="memname">QPainterPath QwtSplineLocal::painterPath </td>
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<td>(</td>
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<td class="paramtype">const QPolygonF & </td>
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<td class="paramname"><em>points</em></td><td>)</td>
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<p>Interpolate a curve with Bezier curves. </p>
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<p>Interpolates a polygon piecewise with cubic Bezier curves and returns them as QPainterPath.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">points</td><td>Control points </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Painter path, that can be rendered by QPainter </dd></dl>
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<p>Reimplemented from <a class="el" href="class_qwt_spline_c1.html#a79a63604fbbdc82dc2d39ecc4e32df80">QwtSplineC1</a>.</p>
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<p class="definition">Definition at line <a class="el" href="qwt__spline__local_8cpp_source.html#l00482">482</a> of file <a class="el" href="qwt__spline__local_8cpp_source.html">qwt_spline_local.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#afcf07ad4628e9b5cab639e3c7a0e64e7">◆ </a></span>polynomials()</h2>
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<td class="memname"><a class="el" href="class_q_vector.html">QVector</a>< <a class="el" href="class_qwt_spline_polynomial.html">QwtSplinePolynomial</a> > QwtSplineLocal::polynomials </td>
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<td class="paramtype">const QPolygonF & </td>
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<p>Calculate the interpolating polynomials for a non parametric spline. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">points</td><td>Control points </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Interpolating polynomials</dd></dl>
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<dl class="section note"><dt>Note</dt><dd>The x coordinates need to be increasing or decreasing </dd>
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<dd>
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The implementation simply calls <a class="el" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543" title="Calculate the interpolating polynomials for a non parametric spline.">QwtSplineC1::polynomials()</a>, but is intended to be replaced by a one pass calculation some day. </dd></dl>
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<p>Reimplemented from <a class="el" href="class_qwt_spline_c1.html#ae5e92c78b70b85393533c752ac3bd543">QwtSplineC1</a>.</p>
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<p class="definition">Definition at line <a class="el" href="qwt__spline__local_8cpp_source.html#l00537">537</a> of file <a class="el" href="qwt__spline__local_8cpp_source.html">qwt_spline_local.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#af86995e3805a71c68a623145044d36c2">◆ </a></span>slopes()</h2>
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<td class="memname"><a class="el" href="class_q_vector.html">QVector</a>< double > QwtSplineLocal::slopes </td>
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<p>Find the first derivative at the control points. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">points</td><td>Control nodes of the spline </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Vector with the values of the 2nd derivate at the control points</dd></dl>
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<dl class="section note"><dt>Note</dt><dd>The x coordinates need to be increasing or decreasing </dd></dl>
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<p>Implements <a class="el" href="class_qwt_spline_c1.html#a20caae8d9308f92a49da94315cd46537">QwtSplineC1</a>.</p>
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<p class="definition">Definition at line <a class="el" href="qwt__spline__local_8cpp_source.html#l00521">521</a> of file <a class="el" href="qwt__spline__local_8cpp_source.html">qwt_spline_local.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a5cb4f022abee9d29f6f7ef6b670df776">◆ </a></span>type()</h2>
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<td class="memname"><a class="el" href="class_qwt_spline_local.html#a1b65106f91b7cdbc7a389f3389041407">QwtSplineLocal::Type</a> QwtSplineLocal::type </td>
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<dl class="section return"><dt>Returns</dt><dd>Spline type, specifying the type of interpolation </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__spline__local_8cpp_source.html#l00468">468</a> of file <a class="el" href="qwt__spline__local_8cpp_source.html">qwt_spline_local.cpp</a>.</p>
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