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<h2><span class="refentrytitle"><a name="GwyGraphCurveModel.top_of_page"></a>GwyGraphCurveModel</span></h2>
<p>GwyGraphCurveModel — Representation of one graph curve</p>
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<div class="refsynopsisdiv">
<a name="GwyGraphCurveModel.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <libgwydgets/gwydgets.h>
struct <a class="link" href="GwyGraphCurveModel.html#GwyGraphCurveModel-struct" title="struct GwyGraphCurveModel">GwyGraphCurveModel</a>;
struct <a class="link" href="GwyGraphCurveModel.html#GwyGraphCurveModelClass" title="struct GwyGraphCurveModelClass">GwyGraphCurveModelClass</a>;
#define <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-duplicate" title="gwy_graph_curve_model_duplicate()">gwy_graph_curve_model_duplicate</a> (gcmodel)
<a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="returnvalue">GwyGraphCurveModel</span></a> * <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-new" title="gwy_graph_curve_model_new ()">gwy_graph_curve_model_new</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="returnvalue">GwyGraphCurveModel</span></a> * <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-new-alike" title="gwy_graph_curve_model_new_alike ()">gwy_graph_curve_model_new_alike</a> (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-set-data" title="gwy_graph_curve_model_set_data ()">gwy_graph_curve_model_set_data</a> (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>,
<em class="parameter"><code>const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *xdata</code></em>,
<em class="parameter"><code>const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *ydata</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> n</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-set-data-from-dataline" title="gwy_graph_curve_model_set_data_from_dataline ()">gwy_graph_curve_model_set_data_from_dataline</a>
(<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>,
<em class="parameter"><code><a href="../libgwyprocess/GwyDataLine.html"><span class="type">GwyDataLine</span></a> *dline</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> from_index</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> to_index</code></em>);
const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a> * <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-get-xdata" title="gwy_graph_curve_model_get_xdata ()">gwy_graph_curve_model_get_xdata</a> (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>);
const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a> * <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-get-ydata" title="gwy_graph_curve_model_get_ydata ()">gwy_graph_curve_model_get_ydata</a> (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>);
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-get-ndata" title="gwy_graph_curve_model_get_ndata ()">gwy_graph_curve_model_get_ndata</a> (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>);
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-get-x-range" title="gwy_graph_curve_model_get_x_range ()">gwy_graph_curve_model_get_x_range</a> (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *x_min</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *x_max</code></em>);
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-get-y-range" title="gwy_graph_curve_model_get_y_range ()">gwy_graph_curve_model_get_y_range</a> (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *y_min</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *y_max</code></em>);
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-get-ranges" title="gwy_graph_curve_model_get_ranges ()">gwy_graph_curve_model_get_ranges</a> (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> x_logscale</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> y_logscale</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *x_min</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *x_max</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *y_min</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *y_max</code></em>);
<a href="../libgwyprocess/GwyCalData.html#GwyCurveCalibrationData"><span class="returnvalue">GwyCurveCalibrationData</span></a> * <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-get-calibration-data" title="gwy_graph_curve_model_get_calibration_data ()">gwy_graph_curve_model_get_calibration_data</a>
(<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-set-calibration-data" title="gwy_graph_curve_model_set_calibration_data ()">gwy_graph_curve_model_set_calibration_data</a>
(<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>,
<em class="parameter"><code>const <a href="../libgwyprocess/GwyCalData.html#GwyCurveCalibrationData"><span class="type">GwyCurveCalibrationData</span></a> *calibration</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="GwyGraphCurveModel.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----GwyGraphCurveModel
</pre>
</div>
<div class="refsect1">
<a name="GwyGraphCurveModel.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GwyGraphCurveModel implements
<a href="../libgwyddion/GwySerializable.html">GwySerializable</a>.</p>
</div>
<div class="refsect1">
<a name="GwyGraphCurveModel.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="GwyGraphCurveModel.html#GwyGraphCurveModel--color" title='The "color" property'>color</a>" <a href="../libgwydraw/libgwydraw-GwyRGBA.html#GwyRGBA"><span class="type">GwyRGBA</span></a>* : Read / Write
"<a class="link" href="GwyGraphCurveModel.html#GwyGraphCurveModel--description" title='The "description" property'>description</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read / Write
"<a class="link" href="GwyGraphCurveModel.html#GwyGraphCurveModel--line-style" title='The "line-style" property'>line-style</a>" <a href="/usr/share/gtk-doc/html/gdk2/gdk2-Graphics-Contexts.html#GdkLineStyle"><span class="type">GdkLineStyle</span></a> : Read / Write
"<a class="link" href="GwyGraphCurveModel.html#GwyGraphCurveModel--line-width" title='The "line-width" property'>line-width</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="GwyGraphCurveModel.html#GwyGraphCurveModel--mode" title='The "mode" property'>mode</a>" <a class="link" href="libgwydgets-gwydgetenums.html#GwyGraphCurveType" title="enum GwyGraphCurveType"><span class="type">GwyGraphCurveType</span></a> : Read / Write
"<a class="link" href="GwyGraphCurveModel.html#GwyGraphCurveModel--point-size" title='The "point-size" property'>point-size</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="GwyGraphCurveModel.html#GwyGraphCurveModel--point-type" title='The "point-type" property'>point-type</a>" <a class="link" href="libgwydgets-gwydgetenums.html#GwyGraphPointType" title="enum GwyGraphPointType"><span class="type">GwyGraphPointType</span></a> : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="GwyGraphCurveModel.signals"></a><h2>Signals</h2>
<pre class="synopsis">
"<a class="link" href="GwyGraphCurveModel.html#GwyGraphCurveModel-data-changed" title='The "data-changed" signal'>data-changed</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a>
</pre>
</div>
<div class="refsect1">
<a name="GwyGraphCurveModel.description"></a><h2>Description</h2>
<p>
<a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> represents information about a graph curve necessary to
fully reconstruct it.
</p>
</div>
<div class="refsect1">
<a name="GwyGraphCurveModel.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GwyGraphCurveModel-struct"></a><h3>struct GwyGraphCurveModel</h3>
<pre class="programlisting">struct GwyGraphCurveModel;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyGraphCurveModelClass"></a><h3>struct GwyGraphCurveModelClass</h3>
<pre class="programlisting">struct GwyGraphCurveModelClass {
GObjectClass parent_class;
void (*data_changed)(GwyGraphCurveModel *model);
void (*reserved1)(void);
void (*reserved2)(void);
void (*reserved3)(void);
};
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-graph-curve-model-duplicate"></a><h3>gwy_graph_curve_model_duplicate()</h3>
<pre class="programlisting">#define gwy_graph_curve_model_duplicate(gcmodel)</pre>
<p>
Convenience macro doing <a href="../libgwyddion/GwySerializable.html#gwy-serializable-duplicate"><code class="function">gwy_serializable_duplicate()</code></a> with all the necessary
typecasting.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>gcmodel</code></em> :</span></p></td>
<td>A graph curve model to duplicate.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-graph-curve-model-new"></a><h3>gwy_graph_curve_model_new ()</h3>
<pre class="programlisting"><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="returnvalue">GwyGraphCurveModel</span></a> * gwy_graph_curve_model_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Creates a new graph curve model.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>New empty graph curve model as a <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a>.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-graph-curve-model-new-alike"></a><h3>gwy_graph_curve_model_new_alike ()</h3>
<pre class="programlisting"><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="returnvalue">GwyGraphCurveModel</span></a> * gwy_graph_curve_model_new_alike (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>);</pre>
<p>
Creates new graph curve model object that has the same settings as <em class="parameter"><code>gcmodel</code></em>.
</p>
<p>
Curve data are not duplicated.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gcmodel</code></em> :</span></p></td>
<td>A graph curve model.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>New graph curve model.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-graph-curve-model-set-data"></a><h3>gwy_graph_curve_model_set_data ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_graph_curve_model_set_data (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *xdata</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *ydata</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> n</code></em>);</pre>
<p>
Sets curve model data.
</p>
<p>
If there were calibration data in the former <em class="parameter"><code>gcmodel</code></em>, they are removed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gcmodel</code></em> :</span></p></td>
<td>A graph curve model.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>xdata</code></em> :</span></p></td>
<td>X data points (array of size <em class="parameter"><code>n</code></em>).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>ydata</code></em> :</span></p></td>
<td>Y data points (array of size <em class="parameter"><code>n</code></em>).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>n</code></em> :</span></p></td>
<td>Number of points, i.e. items in <em class="parameter"><code>xdata</code></em> and <em class="parameter"><code>ydata</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-graph-curve-model-set-data-from-dataline"></a><h3>gwy_graph_curve_model_set_data_from_dataline ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_graph_curve_model_set_data_from_dataline
(<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>,
<em class="parameter"><code><a href="../libgwyprocess/GwyDataLine.html"><span class="type">GwyDataLine</span></a> *dline</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> from_index</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> to_index</code></em>);</pre>
<p>
Sets the curve data from <a href="../libgwyprocess/GwyDataLine.html"><span class="type">GwyDataLine</span></a>. The range of import can be
modified using parameters <em class="parameter"><code>from_index</code></em> and <em class="parameter"><code>to_index</code></em> that are
interpreted directly as data indices within the <a href="../libgwyprocess/GwyDataLine.html"><span class="type">GwyDataLine</span></a>.
In the case that <em class="parameter"><code>from_index</code></em> == <em class="parameter"><code>to_index</code></em>, the full <a href="../libgwyprocess/GwyDataLine.html"><span class="type">GwyDataLine</span></a> is used.
</p>
<p>
If there were calibration data in the former <em class="parameter"><code>gcmodel</code></em>, they are removed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gcmodel</code></em> :</span></p></td>
<td>A graph curve model.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>dline</code></em> :</span></p></td>
<td>A <a href="../libgwyprocess/GwyDataLine.html"><span class="type">GwyDataLine</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>from_index</code></em> :</span></p></td>
<td>index where to start</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>to_index</code></em> :</span></p></td>
<td>where to stop</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-graph-curve-model-get-xdata"></a><h3>gwy_graph_curve_model_get_xdata ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a> * gwy_graph_curve_model_get_xdata (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>);</pre>
<p>
Gets pointer to x data points.
</p>
<p>
Data are used within the graph and cannot be freed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gcmodel</code></em> :</span></p></td>
<td>A graph curve model.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>X data points, owned by the curve model.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-graph-curve-model-get-ydata"></a><h3>gwy_graph_curve_model_get_ydata ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a> * gwy_graph_curve_model_get_ydata (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>);</pre>
<p>
Gets pointer to y data points.
</p>
<p>
Data are used within the graph and cannot be freed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gcmodel</code></em> :</span></p></td>
<td>A graph curve model.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>Y data points, owned by the curve model.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-graph-curve-model-get-ndata"></a><h3>gwy_graph_curve_model_get_ndata ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> gwy_graph_curve_model_get_ndata (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>);</pre>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gcmodel</code></em> :</span></p></td>
<td>A graph curve model.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>number of data points within the curve data</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-graph-curve-model-get-x-range"></a><h3>gwy_graph_curve_model_get_x_range ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gwy_graph_curve_model_get_x_range (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *x_min</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *x_max</code></em>);</pre>
<p>
Gets the abscissa range of a graph curve.
</p>
<p>
The values are cached in the curve model therefore repeated calls to this
function (with unchanged data) are cheap.
</p>
<p>
If there are no data points in the curve, <em class="parameter"><code>x_min</code></em> and <em class="parameter"><code>x_max</code></em> are untouched
and the function returns <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>.
</p>
<p>
See also <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-get-ranges" title="gwy_graph_curve_model_get_ranges ()"><code class="function">gwy_graph_curve_model_get_ranges()</code></a> for a more high-level function.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gcmodel</code></em> :</span></p></td>
<td>A graph curve model.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x_min</code></em> :</span></p></td>
<td>Location to store the minimum abscissa value, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x_max</code></em> :</span></p></td>
<td>Location to store the maximum abscissa value, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if there are any data points in the curve and <em class="parameter"><code>x_min</code></em>, <em class="parameter"><code>x_max</code></em>
were set.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-graph-curve-model-get-y-range"></a><h3>gwy_graph_curve_model_get_y_range ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gwy_graph_curve_model_get_y_range (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *y_min</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *y_max</code></em>);</pre>
<p>
Gets the ordinate range of a graph curve.
</p>
<p>
The values are cached in the curve model therefore repeated calls to this
function (with unchanged data) are cheap.
</p>
<p>
If there are no data points in the curve, <em class="parameter"><code>x_min</code></em> and <em class="parameter"><code>x_max</code></em> are untouched
and the function returns <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>.
</p>
<p>
See also <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-get-ranges" title="gwy_graph_curve_model_get_ranges ()"><code class="function">gwy_graph_curve_model_get_ranges()</code></a> for a more high-level function.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gcmodel</code></em> :</span></p></td>
<td>A graph curve model.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y_min</code></em> :</span></p></td>
<td>Location to store the minimum ordinate value, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y_max</code></em> :</span></p></td>
<td>Location to store the maximum ordinate value, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if there are any data points in the curve and <em class="parameter"><code>x_min</code></em>, <em class="parameter"><code>x_max</code></em>
were set.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-graph-curve-model-get-ranges"></a><h3>gwy_graph_curve_model_get_ranges ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gwy_graph_curve_model_get_ranges (<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> x_logscale</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> y_logscale</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *x_min</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *x_max</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *y_min</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *y_max</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-graph-curve-model-get-calibration-data"></a><h3>gwy_graph_curve_model_get_calibration_data ()</h3>
<pre class="programlisting"><a href="../libgwyprocess/GwyCalData.html#GwyCurveCalibrationData"><span class="returnvalue">GwyCurveCalibrationData</span></a> * gwy_graph_curve_model_get_calibration_data
(<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>);</pre>
<p>
Get pointer to actual calibration data for curve.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gcmodel</code></em> :</span></p></td>
<td>A graph curve model.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>Pointer to the calibration data of present curve (NULL if none).</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-graph-curve-model-set-calibration-data"></a><h3>gwy_graph_curve_model_set_calibration_data ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_graph_curve_model_set_calibration_data
(<em class="parameter"><code><a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gcmodel</code></em>,
<em class="parameter"><code>const <a href="../libgwyprocess/GwyCalData.html#GwyCurveCalibrationData"><span class="type">GwyCurveCalibrationData</span></a> *calibration</code></em>);</pre>
<p>
Set calibration data for curve.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gcmodel</code></em> :</span></p></td>
<td>A graph curve model.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>calibration</code></em> :</span></p></td>
<td>Curve calibration data</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="GwyGraphCurveModel.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GwyGraphCurveModel--color"></a><h3>The <code class="literal">"color"</code> property</h3>
<pre class="programlisting"> "color" <a href="../libgwydraw/libgwydraw-GwyRGBA.html#GwyRGBA"><span class="type">GwyRGBA</span></a>* : Read / Write</pre>
<p>Curve color.</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyGraphCurveModel--description"></a><h3>The <code class="literal">"description"</code> property</h3>
<pre class="programlisting"> "description" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read / Write</pre>
<p>Curve description. It appears on graph key.</p>
<p>Default value: "curve"</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyGraphCurveModel--line-style"></a><h3>The <code class="literal">"line-style"</code> property</h3>
<pre class="programlisting"> "line-style" <a href="/usr/share/gtk-doc/html/gdk2/gdk2-Graphics-Contexts.html#GdkLineStyle"><span class="type">GdkLineStyle</span></a> : Read / Write</pre>
<p>Curve line style. Curve mode has to include lines for the line to be visible.</p>
<p>Default value: GDK_LINE_SOLID</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyGraphCurveModel--line-width"></a><h3>The <code class="literal">"line-width"</code> property</h3>
<pre class="programlisting"> "line-width" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Curve line width.</p>
<p>Allowed values: [0,100]</p>
<p>Default value: 1</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyGraphCurveModel--mode"></a><h3>The <code class="literal">"mode"</code> property</h3>
<pre class="programlisting"> "mode" <a class="link" href="libgwydgets-gwydgetenums.html#GwyGraphCurveType" title="enum GwyGraphCurveType"><span class="type">GwyGraphCurveType</span></a> : Read / Write</pre>
<p>Curve plotting mode (line, points, ...).</p>
<p>Default value: GWY_GRAPH_CURVE_LINE</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyGraphCurveModel--point-size"></a><h3>The <code class="literal">"point-size"</code> property</h3>
<pre class="programlisting"> "point-size" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Curve point symbol size.</p>
<p>Allowed values: [0,100]</p>
<p>Default value: 5</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyGraphCurveModel--point-type"></a><h3>The <code class="literal">"point-type"</code> property</h3>
<pre class="programlisting"> "point-type" <a class="link" href="libgwydgets-gwydgetenums.html#GwyGraphPointType" title="enum GwyGraphPointType"><span class="type">GwyGraphPointType</span></a> : Read / Write</pre>
<p>Curve point symbol type. Curve mode has toinclude points for the symbols to be visible.</p>
<p>Default value: GWY_GRAPH_POINT_SQUARE</p>
</div>
</div>
<div class="refsect1">
<a name="GwyGraphCurveModel.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GwyGraphCurveModel-data-changed"></a><h3>The <code class="literal">"data-changed"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> *gwygraphcurvemodel,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a></pre>
<p>
The ::data-changed signal is emitted whenever curve data is set with
a function like <a class="link" href="GwyGraphCurveModel.html#gwy-graph-curve-model-set-data" title="gwy_graph_curve_model_set_data ()"><code class="function">gwy_graph_curve_model_set_data()</code></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwygraphcurvemodel</code></em> :</span></p></td>
<td>The <a class="link" href="GwyGraphCurveModel.html" title="GwyGraphCurveModel"><span class="type">GwyGraphCurveModel</span></a> which received the signal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
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