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<h2><span class="refentrytitle"><a name="Gwy3DView.top_of_page"></a>Gwy3DView</span></h2>
<p>Gwy3DView — OpenGL 3D data display</p>
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<div class="refsynopsisdiv">
<a name="Gwy3DView.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <libgwydgets/gwydgets.h>
struct <a class="link" href="Gwy3DView.html#Gwy3DView-struct" title="struct Gwy3DView">Gwy3DView</a>;
struct <a class="link" href="Gwy3DView.html#Gwy3DViewClass" title="struct Gwy3DViewClass">Gwy3DViewClass</a>;
<span class="returnvalue">void</span> <a class="link" href="Gwy3DView.html#gwy-3d-view-class-disable-axis-drawing" title="gwy_3d_view_class_disable_axis_drawing ()">gwy_3d_view_class_disable_axis_drawing</a>
(<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> disable</code></em>);
<a href="./../libgwyddion/libgwyddion/GwyContainer.html"><span class="returnvalue">GwyContainer</span></a> * <a class="link" href="Gwy3DView.html#gwy-3d-view-get-data" title="gwy_3d_view_get_data ()">gwy_3d_view_get_data</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);
const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * <a class="link" href="Gwy3DView.html#gwy-3d-view-get-data-key" title="gwy_3d_view_get_data_key ()">gwy_3d_view_get_data_key</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);
const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * <a class="link" href="Gwy3DView.html#gwy-3d-view-get-gradient-key" title="gwy_3d_view_get_gradient_key ()">gwy_3d_view_get_gradient_key</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);
<a class="link" href="Gwy3DLabel.html" title="Gwy3DLabel"><span class="returnvalue">Gwy3DLabel</span></a> * <a class="link" href="Gwy3DView.html#gwy-3d-view-get-label" title="gwy_3d_view_get_label ()">gwy_3d_view_get_label</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code><a class="link" href="libgwydgets-gwydgetenums.html#Gwy3DViewLabel" title="enum Gwy3DViewLabel"><span class="type">Gwy3DViewLabel</span></a> label</code></em>);
const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * <a class="link" href="Gwy3DView.html#gwy-3d-view-get-material-key" title="gwy_3d_view_get_material_key ()">gwy_3d_view_get_material_key</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);
<a class="link" href="libgwydgets-gwydgetenums.html#Gwy3DMovement" title="enum Gwy3DMovement"><span class="returnvalue">Gwy3DMovement</span></a> <a class="link" href="Gwy3DView.html#gwy-3d-view-get-movement-type" title="gwy_3d_view_get_movement_type ()">gwy_3d_view_get_movement_type</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);
<a href="http://developer.gnome.org/doc/API/2.0/gdk-pixbuf/gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf"><span class="returnvalue">GdkPixbuf</span></a> * <a class="link" href="Gwy3DView.html#gwy-3d-view-get-pixbuf" title="gwy_3d_view_get_pixbuf ()">gwy_3d_view_get_pixbuf</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> <a class="link" href="Gwy3DView.html#gwy-3d-view-get-reduced-size" title="gwy_3d_view_get_reduced_size ()">gwy_3d_view_get_reduced_size</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);
<span class="returnvalue">void</span> <a class="link" href="Gwy3DView.html#gwy-3d-view-get-scale-range" title="gwy_3d_view_get_scale_range ()">gwy_3d_view_get_scale_range</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</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> *min_scale</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> *max_scale</code></em>);
<a class="link" href="Gwy3DSetup.html" title="Gwy3DSetup"><span class="returnvalue">Gwy3DSetup</span></a> * <a class="link" href="Gwy3DView.html#gwy-3d-view-get-setup" title="gwy_3d_view_get_setup ()">gwy_3d_view_get_setup</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);
const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * <a class="link" href="Gwy3DView.html#gwy-3d-view-get-setup-prefix" title="gwy_3d_view_get_setup_prefix ()">gwy_3d_view_get_setup_prefix</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);
<a href="http://developer.gnome.org/doc/API/2.0/gtk/GtkWidget.html"><span class="returnvalue">GtkWidget</span></a> * <a class="link" href="Gwy3DView.html#gwy-3d-view-new" title="gwy_3d_view_new ()">gwy_3d_view_new</a> (<em class="parameter"><code><a href="./../libgwyddion/libgwyddion/GwyContainer.html"><span class="type">GwyContainer</span></a> *data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="Gwy3DView.html#gwy-3d-view-set-data-key" title="gwy_3d_view_set_data_key ()">gwy_3d_view_set_data_key</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code>const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *key</code></em>);
<span class="returnvalue">void</span> <a class="link" href="Gwy3DView.html#gwy-3d-view-set-gradient-key" title="gwy_3d_view_set_gradient_key ()">gwy_3d_view_set_gradient_key</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code>const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *key</code></em>);
<span class="returnvalue">void</span> <a class="link" href="Gwy3DView.html#gwy-3d-view-set-material-key" title="gwy_3d_view_set_material_key ()">gwy_3d_view_set_material_key</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code>const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *key</code></em>);
<span class="returnvalue">void</span> <a class="link" href="Gwy3DView.html#gwy-3d-view-set-movement-type" title="gwy_3d_view_set_movement_type ()">gwy_3d_view_set_movement_type</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code><a class="link" href="libgwydgets-gwydgetenums.html#Gwy3DMovement" title="enum Gwy3DMovement"><span class="type">Gwy3DMovement</span></a> movement</code></em>);
<span class="returnvalue">void</span> <a class="link" href="Gwy3DView.html#gwy-3d-view-set-ovlay" title="gwy_3d_view_set_ovlay ()">gwy_3d_view_set_ovlay</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code><a class="link" href="GwyPixmapLayer.html" title="GwyPixmapLayer"><span class="type">GwyPixmapLayer</span></a> **ovlays</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> novlays</code></em>);
<span class="returnvalue">void</span> <a class="link" href="Gwy3DView.html#gwy-3d-view-set-reduced-size" title="gwy_3d_view_set_reduced_size ()">gwy_3d_view_set_reduced_size</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> reduced_size</code></em>);
<span class="returnvalue">void</span> <a class="link" href="Gwy3DView.html#gwy-3d-view-set-scale-range" title="gwy_3d_view_set_scale_range ()">gwy_3d_view_set_scale_range</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</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> min_scale</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> max_scale</code></em>);
<span class="returnvalue">void</span> <a class="link" href="Gwy3DView.html#gwy-3d-view-set-setup-prefix" title="gwy_3d_view_set_setup_prefix ()">gwy_3d_view_set_setup_prefix</a> (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *key</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="Gwy3DView.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>
+----<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
+----<a href="/usr/share/gtk-doc/html/gtk/GtkObject.html">GtkObject</a>
+----<a href="/usr/share/gtk-doc/html/gtk/GtkWidget.html">GtkWidget</a>
+----Gwy3DView
</pre>
</div>
<div class="refsect1">
<a name="Gwy3DView.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
Gwy3DView implements
AtkImplementorIface and <a href="/usr/share/gtk-doc/html/gtk/GtkBuildable.html">GtkBuildable</a>.</p>
</div>
<div class="refsect1">
<a name="Gwy3DView.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="Gwy3DView.html#Gwy3DView--data-key" title='The "data-key" property'>data-key</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="Gwy3DView.html#Gwy3DView--gradient-key" title='The "gradient-key" property'>gradient-key</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="Gwy3DView.html#Gwy3DView--material-key" title='The "material-key" property'>material-key</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="Gwy3DView.html#Gwy3DView--movement-type" title='The "movement-type" property'>movement-type</a>" <a class="link" href="libgwydgets-gwydgetenums.html#Gwy3DMovement" title="enum Gwy3DMovement"><span class="type">Gwy3DMovement</span></a> : Read / Write
"<a class="link" href="Gwy3DView.html#Gwy3DView--reduced-size" title='The "reduced-size" property'>reduced-size</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> : Read / Write
"<a class="link" href="Gwy3DView.html#Gwy3DView--setup-prefix" title='The "setup-prefix" property'>setup-prefix</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="Gwy3DView.description"></a><h2>Description</h2>
<p>
<a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> displays a data field as a threedimensional heightfield using
OpenGL. You can create a new 3D view for a data container with
<a class="link" href="Gwy3DView.html#gwy-3d-view-new" title="gwy_3d_view_new ()"><code class="function">gwy_3d_view_new()</code></a>. By default, it inherits properties like palette from
<a class="link" href="GwyDataView.html" title="GwyDataView">data view</a> settings, but supports separate
settings -- see <code class="function">gwy_3d_view_set_palette()</code> et al.
</p>
<p>
<a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> allows the user to interactively rotate, scale, z-scale the data
or move lights, depending on its <a class="link" href="libgwydgets-gwydgetenums.html#Gwy3DMovement" title="enum Gwy3DMovement">movement
state</a>. There are no controls provided for mode change, you have to
provide some yourself and set the movement mode with
<a class="link" href="Gwy3DView.html#gwy-3d-view-set-movement-type" title="gwy_3d_view_set_movement_type ()"><code class="function">gwy_3d_view_set_movement_type()</code></a>.
</p>
<p>
You have initialize GtkGLExt with <a href="/usr/share/gtk-doc/html/gtkglext/gtkglext-gtkglinit.html#gtk-gl-init-check"><code class="function">gtk_gl_init_check()</code></a> and then Gwyddion's
OpenGL with <a class="link" href="libgwydgets-gwydgets.html#gwy-widgets-gl-init" title="gwy_widgets_gl_init ()"><code class="function">gwy_widgets_gl_init()</code></a> before you can use <a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a>. These
functions may not always succeed, see their description for more. If
OpenGL initialization fails (possibly because its support was not compiled
in) <a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> cannot be even instantiated.
</p>
</div>
<div class="refsect1">
<a name="Gwy3DView.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="Gwy3DView-struct"></a><h3>struct Gwy3DView</h3>
<pre class="programlisting">struct Gwy3DView;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="Gwy3DViewClass"></a><h3>struct Gwy3DViewClass</h3>
<pre class="programlisting">struct Gwy3DViewClass {
GtkWidgetClass parent_class;
gpointer list_pool;
void (*reserved1)(void);
void (*reserved2)(void);
void (*reserved3)(void);
void (*reserved4)(void);
void (*reserved5)(void);
void (*reserved6)(void);
};
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-class-disable-axis-drawing"></a><h3>gwy_3d_view_class_disable_axis_drawing ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_3d_view_class_disable_axis_drawing
(<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> disable</code></em>);</pre>
<p>
Globally disables drawing of 3D view axes.
</p>
<p>
If axis drawing is disabled, axes are never drawn. If it is not disabled,
their rendering depends on the 3D view setup.
</p>
<p>
This function is a hack and exists to work around various GL implementations
that crash on pixmap drawing operations.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>disable</code></em> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> to disable 3D view axes globally, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> to enable them.</td>
</tr></tbody>
</table></div>
<p class="since">Since 2.14</p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-get-data"></a><h3>gwy_3d_view_get_data ()</h3>
<pre class="programlisting"><a href="./../libgwyddion/libgwyddion/GwyContainer.html"><span class="returnvalue">GwyContainer</span></a> * gwy_3d_view_get_data (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);</pre>
<p>
Returns the data container this 3D view displays.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The container as a <a href="./../libgwyddion/libgwyddion/GwyContainer.html"><span class="type">GwyContainer</span></a>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-get-data-key"></a><h3>gwy_3d_view_get_data_key ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * gwy_3d_view_get_data_key (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);</pre>
<p>
Gets the container key identifying the data field to visualize in a 3D view.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The string key, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if it isn't set.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-get-gradient-key"></a><h3>gwy_3d_view_get_gradient_key ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * gwy_3d_view_get_gradient_key (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);</pre>
<p>
Gets the container key identifying the colour gradient used to visualize
data in a 3D view.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The string key, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if it isn't set.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-get-label"></a><h3>gwy_3d_view_get_label ()</h3>
<pre class="programlisting"><a class="link" href="Gwy3DLabel.html" title="Gwy3DLabel"><span class="returnvalue">Gwy3DLabel</span></a> * gwy_3d_view_get_label (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code><a class="link" href="libgwydgets-gwydgetenums.html#Gwy3DViewLabel" title="enum Gwy3DViewLabel"><span class="type">Gwy3DViewLabel</span></a> label</code></em>);</pre>
<p>
Gets requested 3D label object of a 3D view.
</p>
<p>
This is a convenience method that can be used instead of fetching the label
object from the data container.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>label</code></em> :</span></p></td>
<td>Label type to obtain.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The 3D label object representing <em class="parameter"><code>label</code></em> in <em class="parameter"><code>gwy3dview</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-get-material-key"></a><h3>gwy_3d_view_get_material_key ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * gwy_3d_view_get_material_key (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);</pre>
<p>
Gets the key identifying the GL material used to visualize data in a 3D
view.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The string key, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if it isn't set.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-get-movement-type"></a><h3>gwy_3d_view_get_movement_type ()</h3>
<pre class="programlisting"><a class="link" href="libgwydgets-gwydgetenums.html#Gwy3DMovement" title="enum Gwy3DMovement"><span class="returnvalue">Gwy3DMovement</span></a> gwy_3d_view_get_movement_type (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);</pre>
<p>
Returns a movement type describing actual type of response on
the mouse motion event.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>Actual type of response on the mouse motion event</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-get-pixbuf"></a><h3>gwy_3d_view_get_pixbuf ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gdk-pixbuf/gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf"><span class="returnvalue">GdkPixbuf</span></a> * gwy_3d_view_get_pixbuf (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);</pre>
<p>
Copies the contents of the framebuffer to the GdkPixbuf.
</p>
<p>
The size of the pixbuf is currently indentical with the size of the widget.
<em class="parameter"><code>xres</code></em> and <em class="parameter"><code>yres</code></em> will be implemented to set the resolution of the pixbuf.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A newly allocated GdkPixbuf with copy of the framebuffer.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-get-reduced-size"></a><h3>gwy_3d_view_get_reduced_size ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> gwy_3d_view_get_reduced_size (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);</pre>
<p>
Returns the reduced data size of a 3D view.
</p>
<p>
See <a class="link" href="Gwy3DView.html#gwy-3d-view-set-reduced-size" title="gwy_3d_view_set_reduced_size ()"><code class="function">gwy_3d_view_set_reduced_size()</code></a> for details.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The reduced data size.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-get-scale-range"></a><h3>gwy_3d_view_get_scale_range ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_3d_view_get_scale_range (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</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> *min_scale</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> *max_scale</code></em>);</pre>
<p>
Obtains the minimum and maximum zoom of a 3D data view
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>min_scale</code></em> :</span></p></td>
<td>Location to put minimum scale, 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>max_scale</code></em> :</span></p></td>
<td>Location to put maximum scale, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-get-setup"></a><h3>gwy_3d_view_get_setup ()</h3>
<pre class="programlisting"><a class="link" href="Gwy3DSetup.html" title="Gwy3DSetup"><span class="returnvalue">Gwy3DSetup</span></a> * gwy_3d_view_get_setup (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);</pre>
<p>
Gets the 3D setup object of a 3D view.
</p>
<p>
This is a convenience method that can be used instead of fetching the setup
object from the data container.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-get-setup-prefix"></a><h3>gwy_3d_view_get_setup_prefix ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * gwy_3d_view_get_setup_prefix (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>);</pre>
<p>
Gets prefix identifying 3D view setup in the container.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The setup key prefix.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-new"></a><h3>gwy_3d_view_new ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gtk/GtkWidget.html"><span class="returnvalue">GtkWidget</span></a> * gwy_3d_view_new (<em class="parameter"><code><a href="./../libgwyddion/libgwyddion/GwyContainer.html"><span class="type">GwyContainer</span></a> *data</code></em>);</pre>
<p>
Creates a new threedimensional OpenGL display of <em class="parameter"><code>data</code></em>.
</p>
<p>
The widget is initialized from container <em class="parameter"><code>data</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>A <a href="./../libgwyddion/libgwyddion/GwyContainer.html"><span class="type">GwyContainer</span></a> containing the data to display.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The new OpenGL 3D widget as a <a href="/usr/share/gtk-doc/html/gtk/GtkWidget.html"><span class="type">GtkWidget</span></a>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-set-data-key"></a><h3>gwy_3d_view_set_data_key ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_3d_view_set_data_key (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *key</code></em>);</pre>
<p>
Sets the container key identifying the data field to visualize in a 3D view.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>Container string key identifying the data field to visualize.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-set-gradient-key"></a><h3>gwy_3d_view_set_gradient_key ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_3d_view_set_gradient_key (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *key</code></em>);</pre>
<p>
Sets the container key identifying the color gradient to use to visualize
data in a 3D view.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>Container string key identifying the color gradient to use for
gradient visualization mode.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-set-material-key"></a><h3>gwy_3d_view_set_material_key ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_3d_view_set_material_key (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *key</code></em>);</pre>
<p>
Sets the container key of the GL material used to visualize data in a 3D
view.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>Container string key identifying the color material to use for
material visualization mode.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-set-movement-type"></a><h3>gwy_3d_view_set_movement_type ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_3d_view_set_movement_type (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code><a class="link" href="libgwydgets-gwydgetenums.html#Gwy3DMovement" title="enum Gwy3DMovement"><span class="type">Gwy3DMovement</span></a> movement</code></em>);</pre>
<p>
Sets the type of widget response on the mouse motion event.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>movement</code></em> :</span></p></td>
<td>A new type of response on the mouse motion event.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-set-ovlay"></a><h3>gwy_3d_view_set_ovlay ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_3d_view_set_ovlay (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code><a class="link" href="GwyPixmapLayer.html" title="GwyPixmapLayer"><span class="type">GwyPixmapLayer</span></a> **ovlays</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> novlays</code></em>);</pre>
<p>
Sets overlays for a 3D view.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>ovlays</code></em> :</span></p></td>
<td>List of <em class="parameter"><code>novlays</code></em> pixmap layers usable as overlays.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>novlays</code></em> :</span></p></td>
<td>Number of items in <em class="parameter"><code>ovlays</code></em>.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.26</p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-set-reduced-size"></a><h3>gwy_3d_view_set_reduced_size ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_3d_view_set_reduced_size (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> reduced_size</code></em>);</pre>
<p>
Sets the reduced data size of a 3D view.
</p>
<p>
Data larger than reduced size are show downsampled during transforms and
other changes to speed up the rendering. Final, full-size rendering is
then performed after a timeout.
</p>
<p>
In case of the original data are not square, the <em class="parameter"><code>reduced_size</code></em> is the
greater size of the downsampled data, the other dimension is proportional
to the original size.
</p>
<p>
Changes in reduced size do not cause immediate redraw when an operation
is pending and the view is shown in reduced size. It only affects future
downsampling.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>reduced_size</code></em> :</span></p></td>
<td>New reduced data size.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-set-scale-range"></a><h3>gwy_3d_view_set_scale_range ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_3d_view_set_scale_range (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</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> min_scale</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> max_scale</code></em>);</pre>
<p>
Sets the minimum and maximum zoom of a 3D data view.
</p>
<p>
Recommended zoom values are 0.5 - 5.0.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>min_scale</code></em> :</span></p></td>
<td>Minimum zoom of the 3D data view, pass 0.0 to keep the current
value.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>max_scale</code></em> :</span></p></td>
<td>Maximum zoom of the 3D data view, pass 0.0 to keep the current
value.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-3d-view-set-setup-prefix"></a><h3>gwy_3d_view_set_setup_prefix ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gwy_3d_view_set_setup_prefix (<em class="parameter"><code><a class="link" href="Gwy3DView.html" title="Gwy3DView"><span class="type">Gwy3DView</span></a> *gwy3dview</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *key</code></em>);</pre>
<p>
Sets the prefix of 3D view parameters in the container.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gwy3dview</code></em> :</span></p></td>
<td>A 3D data view widget.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>Container string prefix for keys identifying the view setup
parameters. The <a class="link" href="Gwy3DSetup.html" title="Gwy3DSetup"><span class="type">Gwy3DSetup</span></a> is stored at key
<code class="literal">"/setup"</code> under this prefix. Label objects are
also stored under this prefix.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="Gwy3DView.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="Gwy3DView--data-key"></a><h3>The <code class="literal">"data-key"</code> property</h3>
<pre class="programlisting"> "data-key" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read / Write</pre>
<p>Key identifying data field in container.</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="Gwy3DView--gradient-key"></a><h3>The <code class="literal">"gradient-key"</code> property</h3>
<pre class="programlisting"> "gradient-key" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read / Write</pre>
<p>Key identifying color gradient in container.</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="Gwy3DView--material-key"></a><h3>The <code class="literal">"material-key"</code> property</h3>
<pre class="programlisting"> "material-key" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read / Write</pre>
<p>Key identifying GL material in container.</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="Gwy3DView--movement-type"></a><h3>The <code class="literal">"movement-type"</code> property</h3>
<pre class="programlisting"> "movement-type" <a class="link" href="libgwydgets-gwydgetenums.html#Gwy3DMovement" title="enum Gwy3DMovement"><span class="type">Gwy3DMovement</span></a> : Read / Write</pre>
<p>
The :movement-type property represents type of action on user pointer
drag.
</p>
<p>Default value: GWY_3D_MOVEMENT_NONE</p>
</div>
<hr>
<div class="refsect2">
<a name="Gwy3DView--reduced-size"></a><h3>The <code class="literal">"reduced-size"</code> property</h3>
<pre class="programlisting"> "reduced-size" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> : Read / Write</pre>
<p>The size of downsampled data in quick view.</p>
<p>Allowed values: [2,G_MAXINT]</p>
<p>Default value: 96</p>
</div>
<hr>
<div class="refsect2">
<a name="Gwy3DView--setup-prefix"></a><h3>The <code class="literal">"setup-prefix"</code> property</h3>
<pre class="programlisting"> "setup-prefix" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read / Write</pre>
<p>Key prefix identifying view settings and labels in container.</p>
<p>Default value: NULL</p>
</div>
</div>
<div class="refsect1">
<a name="Gwy3DView.see-also"></a><h2>See Also</h2>
<a class="link" href="Gwy3DWindow.html" title="Gwy3DWindow"><span class="type">Gwy3DWindow</span></a> -- window combining 3D view with controls,
<a href="./../libgwydraw/libgwydraw/GwyGLMaterial.html"><span class="type">GwyGLMaterial</span></a> -- OpenGL materials,
<a class="link" href="Gwy3DLabel.html" title="Gwy3DLabel"><span class="type">Gwy3DLabel</span></a> -- Labels on 3D view,
<a class="link" href="Gwy3DSetup.html" title="Gwy3DSetup"><span class="type">Gwy3DSetup</span></a> -- 3D scene setup
</div>
</div>
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