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<h2><span class="refentrytitle"><a name="libgwyprocess-gwyprocessenums.top_of_page"></a>gwyprocessenums</span></h2>
<p>gwyprocessenums — Common enumerations</p>
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<div class="refsynopsisdiv">
<a name="libgwyprocess-gwyprocessenums.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <libprocess/gwyprocess.h>
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#Gwy2DCWTWaveletType" title="enum Gwy2DCWTWaveletType">Gwy2DCWTWaveletType</a>;
<a class="link" href="libgwyprocess-gwyprocessenums.html#GwyComputationState" title="GwyComputationState">GwyComputationState</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyComputationStateType" title="enum GwyComputationStateType">GwyComputationStateType</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyCorrelationType" title="enum GwyCorrelationType">GwyCorrelationType</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyDWTDenoiseType" title="enum GwyDWTDenoiseType">GwyDWTDenoiseType</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyDWTType" title="enum GwyDWTType">GwyDWTType</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyDataCompatibilityFlags" title="enum GwyDataCompatibilityFlags">GwyDataCompatibilityFlags</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyDataFieldCached" title="enum GwyDataFieldCached">GwyDataFieldCached</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyExteriorType" title="enum GwyExteriorType">GwyExteriorType</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyGrainQuantity" title="enum GwyGrainQuantity">GwyGrainQuantity</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyInterpolationType" title="enum GwyInterpolationType">GwyInterpolationType</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyLineStatQuantity" title="enum GwyLineStatQuantity">GwyLineStatQuantity</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyMaskingType" title="enum GwyMaskingType">GwyMaskingType</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyMergeType" title="enum GwyMergeType">GwyMergeType</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyOrientation" title="enum GwyOrientation">GwyOrientation</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyPlaneFitQuantity" title="enum GwyPlaneFitQuantity">GwyPlaneFitQuantity</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyPlaneSymmetry" title="enum GwyPlaneSymmetry">GwyPlaneSymmetry</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyTipType" title="enum GwyTipType">GwyTipType</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyTransformDirection" title="enum GwyTransformDirection">GwyTransformDirection</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyWatershedStateType" title="enum GwyWatershedStateType">GwyWatershedStateType</a>;
enum <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyWindowingType" title="enum GwyWindowingType">GwyWindowingType</a>;
const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * <a class="link" href="libgwyprocess-gwyprocessenums.html#gwy-2d-cwt-wavelet-type-get-enum" title="gwy_2d_cwt_wavelet_type_get_enum ()">gwy_2d_cwt_wavelet_type_get_enum</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * <a class="link" href="libgwyprocess-gwyprocessenums.html#gwy-correlation-type-get-enum" title="gwy_correlation_type_get_enum ()">gwy_correlation_type_get_enum</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * <a class="link" href="libgwyprocess-gwyprocessenums.html#gwy-dwt-denoise-type-get-enum" title="gwy_dwt_denoise_type_get_enum ()">gwy_dwt_denoise_type_get_enum</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * <a class="link" href="libgwyprocess-gwyprocessenums.html#gwy-dwt-type-get-enum" title="gwy_dwt_type_get_enum ()">gwy_dwt_type_get_enum</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * <a class="link" href="libgwyprocess-gwyprocessenums.html#gwy-interpolation-type-get-enum" title="gwy_interpolation_type_get_enum ()">gwy_interpolation_type_get_enum</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * <a class="link" href="libgwyprocess-gwyprocessenums.html#gwy-masking-type-get-enum" title="gwy_masking_type_get_enum ()">gwy_masking_type_get_enum</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * <a class="link" href="libgwyprocess-gwyprocessenums.html#gwy-merge-type-get-enum" title="gwy_merge_type_get_enum ()">gwy_merge_type_get_enum</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * <a class="link" href="libgwyprocess-gwyprocessenums.html#gwy-orientation-get-enum" title="gwy_orientation_get_enum ()">gwy_orientation_get_enum</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * <a class="link" href="libgwyprocess-gwyprocessenums.html#gwy-plane-symmetry-get-enum" title="gwy_plane_symmetry_get_enum ()">gwy_plane_symmetry_get_enum</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * <a class="link" href="libgwyprocess-gwyprocessenums.html#gwy-windowing-type-get-enum" title="gwy_windowing_type_get_enum ()">gwy_windowing_type_get_enum</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
</pre>
</div>
<div class="refsect1">
<a name="libgwyprocess-gwyprocessenums.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="libgwyprocess-gwyprocessenums.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="Gwy2DCWTWaveletType"></a><h3>enum Gwy2DCWTWaveletType</h3>
<pre class="programlisting">typedef enum { /*< lowercase_name=gwy_2d_cwt_wavelet_type >*/
GWY_2DCWT_GAUSS,
GWY_2DCWT_HAT
} Gwy2DCWTWaveletType;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyComputationState"></a><h3>GwyComputationState</h3>
<pre class="programlisting">typedef struct {
guint state;
gdouble fraction;
} GwyComputationState;
</pre>
<p>
State of iterative computation.
</p>
<p>
Iterators usually append their own private state data, therefore it must
not be assumed the public fields <em class="parameter"><code>state</code></em> and <em class="parameter"><code>fraction</code></em> are the only fields.
</p>
<p>
A typical iteration, assuming an iterative computation `foo' with the
default <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyComputationStateType" title="enum GwyComputationStateType"><span class="type">GwyComputationStateType</span></a> state could be:
</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
2
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13
14</pre></td>
<td class="listing_code"><pre class="programlisting"><span class="usertype">GwyComputationStateType</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">state</span><span class="symbol">;</span>
<span class="normal">state </span><span class="symbol">=</span><span class="normal"> </span><span class="function">gwy_data_field_foo_init</span><span class="symbol">(</span><span class="usertype">GwyDataField</span><span class="normal"> </span><span class="symbol">*</span><span class="normal">data_field</span><span class="symbol">,</span><span class="normal"> </span><span class="symbol">...);</span>
<span class="keyword">do</span><span class="normal"> </span><span class="cbracket">{</span>
<span class="normal"> </span><span class="function">gwy_data_field_foo_iteration</span><span class="symbol">(</span><span class="normal">state</span><span class="symbol">);</span>
<span class="normal"> </span><span class="comment">/* Update progress using state->fraction,</span>
<span class="comment"> let Gtk+ main loop run, check for abort, ... */</span>
<span class="normal"> </span><span class="keyword">if</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">aborted</span><span class="symbol">)</span><span class="normal"> </span><span class="cbracket">{</span>
<span class="normal"> </span><span class="function">gwy_data_field_foo_finalize</span><span class="symbol">(</span><span class="normal">state</span><span class="symbol">);</span>
<span class="normal"> </span><span class="keyword">return</span><span class="normal"> <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#FALSE:CAPS">FALSE</a></span><span class="symbol">;</span>
<span class="normal"> </span><span class="cbracket">}</span>
<span class="cbracket">}</span><span class="normal"> </span><span class="keyword">while</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">state</span><span class="symbol">-></span><span class="normal">state </span><span class="symbol">!=</span><span class="normal"> <a href="#GWY-COMPUTATION-STATE-FINISHED:CAPS">GWY_COMPUTATION_STATE_FINISHED</a></span><span class="symbol">);</span>
<span class="function">gwy_data_field_foo_finalize</span><span class="symbol">(</span><span class="normal">state</span><span class="symbol">);</span>
<span class="keyword">return</span><span class="normal"> <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#TRUE:CAPS">TRUE</a></span><span class="symbol">;</span></pre></td>
</tr>
</tbody>
</table>
</div>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GwyComputationState.state"></a>state</code></em>;</span></p></td>
<td>Current computation state, usually of <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyComputationStateType" title="enum GwyComputationStateType"><span class="type">GwyComputationStateType</span></a>, but
particular iterators can define their own types.</td>
</tr>
<tr>
<td><p><span class="term"><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="GwyComputationState.fraction"></a>fraction</code></em>;</span></p></td>
<td>Fraction of computation completed. For staged algorithms,
the fraction refers to the current stage only.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GwyComputationStateType"></a><h3>enum GwyComputationStateType</h3>
<pre class="programlisting">typedef enum {
GWY_COMPUTATION_STATE_INIT,
GWY_COMPUTATION_STATE_ITERATE,
GWY_COMPUTATION_STATE_FINISHED
} GwyComputationStateType;
</pre>
<p>
Common iterative computation iterator state type.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GWY-COMPUTATION-STATE-INIT:CAPS"></a><span class="term"><code class="literal">GWY_COMPUTATION_STATE_INIT</code></span></p></td>
<td>Iterator was set up, the next step will
actually create temporary data structures
and precalculate values.
</td>
</tr>
<tr>
<td><p><a name="GWY-COMPUTATION-STATE-ITERATE:CAPS"></a><span class="term"><code class="literal">GWY_COMPUTATION_STATE_ITERATE</code></span></p></td>
<td>Iteration is in progress, the <em class="parameter"><code>fraction</code></em>
field of state struct holds the fraction
completed.
</td>
</tr>
<tr>
<td><p><a name="GWY-COMPUTATION-STATE-FINISHED:CAPS"></a><span class="term"><code class="literal">GWY_COMPUTATION_STATE_FINISHED</code></span></p></td>
<td>Calculation has been finished, further
calls to the iterator will be no-op.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GwyCorrelationType"></a><h3>enum GwyCorrelationType</h3>
<pre class="programlisting">typedef enum {
GWY_CORRELATION_NORMAL = 0,
GWY_CORRELATION_FFT = 1,
GWY_CORRELATION_POC = 2
} GwyCorrelationType;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyDWTDenoiseType"></a><h3>enum GwyDWTDenoiseType</h3>
<pre class="programlisting">typedef enum {
GWY_DWT_DENOISE_UNIVERSAL,
GWY_DWT_DENOISE_SCALE_ADAPTIVE,
GWY_DWT_DENOISE_SPACE_ADAPTIVE
} GwyDWTDenoiseType;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyDWTType"></a><h3>enum GwyDWTType</h3>
<pre class="programlisting">typedef enum {
GWY_DWT_HAAR,
GWY_DWT_DAUB4,
GWY_DWT_DAUB6,
GWY_DWT_DAUB8,
GWY_DWT_DAUB12,
GWY_DWT_DAUB20
} GwyDWTType;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyDataCompatibilityFlags"></a><h3>enum GwyDataCompatibilityFlags</h3>
<pre class="programlisting">typedef enum {
GWY_DATA_COMPATIBILITY_RES = 1 << 0,
GWY_DATA_COMPATIBILITY_REAL = 1 << 1,
GWY_DATA_COMPATIBILITY_MEASURE = 1 << 2,
GWY_DATA_COMPATIBILITY_LATERAL = 1 << 3,
GWY_DATA_COMPATIBILITY_VALUE = 1 << 4,
GWY_DATA_COMPATIBILITY_ALL = 0x001f
} GwyDataCompatibilityFlags;
</pre>
<p>
Data line and field compatibility flags.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GWY-DATA-COMPATIBILITY-RES:CAPS"></a><span class="term"><code class="literal">GWY_DATA_COMPATIBILITY_RES</code></span></p></td>
<td>Pixel sizes.
</td>
</tr>
<tr>
<td><p><a name="GWY-DATA-COMPATIBILITY-REAL:CAPS"></a><span class="term"><code class="literal">GWY_DATA_COMPATIBILITY_REAL</code></span></p></td>
<td>Real (physical) dimensions.
</td>
</tr>
<tr>
<td><p><a name="GWY-DATA-COMPATIBILITY-MEASURE:CAPS"></a><span class="term"><code class="literal">GWY_DATA_COMPATIBILITY_MEASURE</code></span></p></td>
<td>Real to pixel ratios.
</td>
</tr>
<tr>
<td><p><a name="GWY-DATA-COMPATIBILITY-LATERAL:CAPS"></a><span class="term"><code class="literal">GWY_DATA_COMPATIBILITY_LATERAL</code></span></p></td>
<td>Units of lateral dimensions.
</td>
</tr>
<tr>
<td><p><a name="GWY-DATA-COMPATIBILITY-VALUE:CAPS"></a><span class="term"><code class="literal">GWY_DATA_COMPATIBILITY_VALUE</code></span></p></td>
<td>Units of values.
</td>
</tr>
<tr>
<td><p><a name="GWY-DATA-COMPATIBILITY-ALL:CAPS"></a><span class="term"><code class="literal">GWY_DATA_COMPATIBILITY_ALL</code></span></p></td>
<td>Mask of all defined flags.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GwyDataFieldCached"></a><h3>enum GwyDataFieldCached</h3>
<pre class="programlisting">typedef enum {
GWY_DATA_FIELD_CACHE_MIN = 0,
GWY_DATA_FIELD_CACHE_MAX,
GWY_DATA_FIELD_CACHE_SUM,
GWY_DATA_FIELD_CACHE_RMS,
GWY_DATA_FIELD_CACHE_MED,
GWY_DATA_FIELD_CACHE_ARF,
GWY_DATA_FIELD_CACHE_ART,
GWY_DATA_FIELD_CACHE_ARE,
GWY_DATA_FIELD_CACHE_SIZE = 30
} GwyDataFieldCached;
</pre>
<p>
Cached data field quantity type.
</p>
<p>
There should be little need to this enum directly except in libgwyprocess
methods.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GWY-DATA-FIELD-CACHE-MIN:CAPS"></a><span class="term"><code class="literal">GWY_DATA_FIELD_CACHE_MIN</code></span></p></td>
<td>Overall minimum.
</td>
</tr>
<tr>
<td><p><a name="GWY-DATA-FIELD-CACHE-MAX:CAPS"></a><span class="term"><code class="literal">GWY_DATA_FIELD_CACHE_MAX</code></span></p></td>
<td>Overall maximum.
</td>
</tr>
<tr>
<td><p><a name="GWY-DATA-FIELD-CACHE-SUM:CAPS"></a><span class="term"><code class="literal">GWY_DATA_FIELD_CACHE_SUM</code></span></p></td>
<td>Sum of all values.
</td>
</tr>
<tr>
<td><p><a name="GWY-DATA-FIELD-CACHE-RMS:CAPS"></a><span class="term"><code class="literal">GWY_DATA_FIELD_CACHE_RMS</code></span></p></td>
<td>Root mean square.
</td>
</tr>
<tr>
<td><p><a name="GWY-DATA-FIELD-CACHE-MED:CAPS"></a><span class="term"><code class="literal">GWY_DATA_FIELD_CACHE_MED</code></span></p></td>
<td>Median.
</td>
</tr>
<tr>
<td><p><a name="GWY-DATA-FIELD-CACHE-ARF:CAPS"></a><span class="term"><code class="literal">GWY_DATA_FIELD_CACHE_ARF</code></span></p></td>
<td>Auto-range from.
</td>
</tr>
<tr>
<td><p><a name="GWY-DATA-FIELD-CACHE-ART:CAPS"></a><span class="term"><code class="literal">GWY_DATA_FIELD_CACHE_ART</code></span></p></td>
<td>Auto-range to.
</td>
</tr>
<tr>
<td><p><a name="GWY-DATA-FIELD-CACHE-ARE:CAPS"></a><span class="term"><code class="literal">GWY_DATA_FIELD_CACHE_ARE</code></span></p></td>
<td>Surface area.
</td>
</tr>
<tr>
<td><p><a name="GWY-DATA-FIELD-CACHE-SIZE:CAPS"></a><span class="term"><code class="literal">GWY_DATA_FIELD_CACHE_SIZE</code></span></p></td>
<td>The size of statistics cache.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GwyExteriorType"></a><h3>enum GwyExteriorType</h3>
<pre class="programlisting">typedef enum {
GWY_EXTERIOR_UNDEFINED,
GWY_EXTERIOR_BORDER_EXTEND,
GWY_EXTERIOR_MIRROR_EXTEND,
GWY_EXTERIOR_PERIODIC,
GWY_EXTERIOR_FIXED_VALUE
} GwyExteriorType;
</pre>
<p>
Methods to handle pixels outside data.
</p>
<p>
Many methods currently use a fixed metod of handling of exterior pixels,
for example area calculation uses extension (border and mirror coincide),
convolution uses mirror extension, rotation fills exterior with
a fixed value.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GWY-EXTERIOR-UNDEFINED:CAPS"></a><span class="term"><code class="literal">GWY_EXTERIOR_UNDEFINED</code></span></p></td>
<td>The values corresponding to or calculated from
exterior data values are undefined, they may be
left unset or set to bogus values. The caller
must handle them itself afterwards, for instance
by resizing the result to consist of valid data
only.
</td>
</tr>
<tr>
<td><p><a name="GWY-EXTERIOR-BORDER-EXTEND:CAPS"></a><span class="term"><code class="literal">GWY_EXTERIOR_BORDER_EXTEND</code></span></p></td>
<td>Values of exterior pixels are considered to be
equal to the values of the nearest interior
pixels.
</td>
</tr>
<tr>
<td><p><a name="GWY-EXTERIOR-MIRROR-EXTEND:CAPS"></a><span class="term"><code class="literal">GWY_EXTERIOR_MIRROR_EXTEND</code></span></p></td>
<td>The data is considered to be periodically
repeated, with odd instances reflected
(the total period is thus twice the size of
the data).
</td>
</tr>
<tr>
<td><p><a name="GWY-EXTERIOR-PERIODIC:CAPS"></a><span class="term"><code class="literal">GWY_EXTERIOR_PERIODIC</code></span></p></td>
<td>The data is considered to be periodically repeated.
</td>
</tr>
<tr>
<td><p><a name="GWY-EXTERIOR-FIXED-VALUE:CAPS"></a><span class="term"><code class="literal">GWY_EXTERIOR_FIXED_VALUE</code></span></p></td>
<td>Values of exterior pixels are considered to
be all equal to a user-specified value.
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.2</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyGrainQuantity"></a><h3>enum GwyGrainQuantity</h3>
<pre class="programlisting">typedef enum {
GWY_GRAIN_VALUE_PROJECTED_AREA = 0,
GWY_GRAIN_VALUE_EQUIV_SQUARE_SIDE = 1,
GWY_GRAIN_VALUE_EQUIV_DISC_RADIUS = 2,
GWY_GRAIN_VALUE_SURFACE_AREA = 3,
GWY_GRAIN_VALUE_MAXIMUM = 4,
GWY_GRAIN_VALUE_MINIMUM = 5,
GWY_GRAIN_VALUE_MEAN = 6,
GWY_GRAIN_VALUE_MEDIAN = 7,
GWY_GRAIN_VALUE_HALF_HEIGHT_AREA = 9,
GWY_GRAIN_VALUE_FLAT_BOUNDARY_LENGTH = 10,
GWY_GRAIN_VALUE_MINIMUM_BOUND_SIZE = 12,
GWY_GRAIN_VALUE_MINIMUM_BOUND_ANGLE = 13,
GWY_GRAIN_VALUE_MAXIMUM_BOUND_SIZE = 14,
GWY_GRAIN_VALUE_MAXIMUM_BOUND_ANGLE = 15,
GWY_GRAIN_VALUE_CENTER_X = 16,
GWY_GRAIN_VALUE_CENTER_Y = 17,
GWY_GRAIN_VALUE_VOLUME_0 = 18,
GWY_GRAIN_VALUE_VOLUME_MIN = 19,
GWY_GRAIN_VALUE_VOLUME_LAPLACE = 20,
GWY_GRAIN_VALUE_SLOPE_THETA = 23,
GWY_GRAIN_VALUE_SLOPE_PHI = 24,
GWY_GRAIN_VALUE_BOUNDARY_MAXIMUM = 25,
GWY_GRAIN_VALUE_BOUNDARY_MINIMUM = 26,
GWY_GRAIN_VALUE_CURVATURE_CENTER_X = 27,
GWY_GRAIN_VALUE_CURVATURE_CENTER_Y = 28,
GWY_GRAIN_VALUE_CURVATURE_CENTER_Z = 29,
GWY_GRAIN_VALUE_CURVATURE1 = 30,
GWY_GRAIN_VALUE_CURVATURE2 = 31,
GWY_GRAIN_VALUE_CURVATURE_ANGLE1 = 32,
GWY_GRAIN_VALUE_CURVATURE_ANGLE2 = 33,
} GwyGrainQuantity;
</pre>
<p>
Grain quantity to request from <a class="link" href="libgwyprocess-grains.html#gwy-data-field-grains-get-distribution" title="gwy_data_field_grains_get_distribution ()"><code class="function">gwy_data_field_grains_get_distribution()</code></a>
and similar functions.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-PROJECTED-AREA:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_PROJECTED_AREA</code></span></p></td>
<td>Projected (flat) grain area.
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-EQUIV-SQUARE-SIDE:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_EQUIV_SQUARE_SIDE</code></span></p></td>
<td>Side of a square with the same area
as the grain.
Future changes:
This quantity can be trivially
calculated from
<em class="parameter"><code>GWY_GRAIN_VALUE_PROJECTED_AREA</code></em>
and will be likely removed in 3.0.
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-EQUIV-DISC-RADIUS:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_EQUIV_DISC_RADIUS</code></span></p></td>
<td>Radius of a disc with the same area
as the grain.
Future changes:
This quantity can be trivially
calculated from
<em class="parameter"><code>GWY_GRAIN_VALUE_PROJECTED_AREA</code></em>
and will be likely removed in 3.0.
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-SURFACE-AREA:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_SURFACE_AREA</code></span></p></td>
<td>Surface area.
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-MAXIMUM:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_MAXIMUM</code></span></p></td>
<td>Minimum value.
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-MINIMUM:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_MINIMUM</code></span></p></td>
<td>Maximum value.
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-MEAN:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_MEAN</code></span></p></td>
<td>Mean value.
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-MEDIAN:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_MEDIAN</code></span></p></td>
<td>Median value.
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-HALF-HEIGHT-AREA:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_HALF_HEIGHT_AREA</code></span></p></td>
<td>Projected area of the part of grain
that is above the half-height, i.e.
the height between the minimum and
maximum (Since: 2.8).
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-FLAT-BOUNDARY-LENGTH:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_FLAT_BOUNDARY_LENGTH</code></span></p></td>
<td>Length of projected grain boundary.
Note for grains not topologically
equivalent to disc, only the length
of the outer boundary is calculated.
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-MINIMUM-BOUND-SIZE:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_MINIMUM_BOUND_SIZE</code></span></p></td>
<td>Minimum lateral bounding size, in other
words the minimum length of grain
projection to any line in the
horizontal plane.
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-MINIMUM-BOUND-ANGLE:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_MINIMUM_BOUND_ANGLE</code></span></p></td>
<td>Direction of the minimum lateral
bounding size (arbitrary one if the
minimum is not unique).
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-MAXIMUM-BOUND-SIZE:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_MAXIMUM_BOUND_SIZE</code></span></p></td>
<td>Maximum lateral bounding size, in other
words the maximum length of grain
projection to any line in the
horizontal plane.
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-MAXIMUM-BOUND-ANGLE:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_MAXIMUM_BOUND_ANGLE</code></span></p></td>
<td>Direction of the maximum lateral
bounding size (arbitrary one if the
maximum is not unique).
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-CENTER-X:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_CENTER_X</code></span></p></td>
<td>Grain centre horizontal position,
i.e. the mean value of its pixel x-coordinates.
(Since: 2.7)
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-CENTER-Y:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_CENTER_Y</code></span></p></td>
<td>Grain centre vertical position,
i.e. the mean value of its pixel y-coordinates.
(Since: 2.7)
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-VOLUME-0:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_VOLUME_0</code></span></p></td>
<td>Grain volume calculated with grain basis at
z=0 (therefore it is just an integral it can be
negative). (Since: 2.3)
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-VOLUME-MIN:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_VOLUME_MIN</code></span></p></td>
<td>Grain volume calculated with grain basis at
grain minimum value. This value is a lower
bound. (Since: 2.3)
Future changes:
This quantity can be trivially calculated from
<em class="parameter"><code>GWY_GRAIN_VALUE_VOLUME_0</code></em>,
<em class="parameter"><code>GWY_GRAIN_VALUE_PROJECTED_AREA</code></em>
and <em class="parameter"><code>GWY_GRAIN_VALUE_MINIMUM</code></em>
and will be likely removed in 3.0.
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-VOLUME-LAPLACE:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_VOLUME_LAPLACE</code></span></p></td>
<td>Grain volume calculated with grain basis
calculated by laplacian interpolation of
surrounding values. (Since: 2.3)
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-SLOPE-THETA:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_SLOPE_THETA</code></span></p></td>
<td>Spherical angle theta of grain normal (0 is
upwards). (Since: 2.7)
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-SLOPE-PHI:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_SLOPE_PHI</code></span></p></td>
<td>Spherical angle phi of grain normal (0 is
in positive x direction). (Since: 2.7)
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-BOUNDARY-MAXIMUM:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_BOUNDARY_MAXIMUM</code></span></p></td>
<td>Maximum value in the grain inner
boundary. (Since: 2.12)
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-BOUNDARY-MINIMUM:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_BOUNDARY_MINIMUM</code></span></p></td>
<td>Minimum value on the grain inner
boundary. (Since: 2.12)
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-CURVATURE-CENTER-X:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_CURVATURE_CENTER_X</code></span></p></td>
<td>Grain curvature centre horizontal
position. For too small or flat grains
it reduces to the horizontal position
of geometrical centre.
(Since: 2.22)
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-CURVATURE-CENTER-Y:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_CURVATURE_CENTER_Y</code></span></p></td>
<td>Grain curvature centre vertical
position. For too small or flat grains
it reduces to the vertical position
of geometrical centre.
(Since: 2.22)
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-CURVATURE-CENTER-Z:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_CURVATURE_CENTER_Z</code></span></p></td>
<td>The value at curvature centre. Note
this is the value in the origin of the
fitted quadratic surface, not at the
real surface.
(Since: 2.22)
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-CURVATURE1:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_CURVATURE1</code></span></p></td>
<td>Smaller grain curvature.
(Since: 2.22)
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-CURVATURE2:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_CURVATURE2</code></span></p></td>
<td>Larger grain curvature.
(Since: 2.22)
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-CURVATURE-ANGLE1:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_CURVATURE_ANGLE1</code></span></p></td>
<td>Direction of the smaller grain curvature
radius. If the grain is flat or too
small the angle is reported as 0.
(Since: 2.22)
</td>
</tr>
<tr>
<td><p><a name="GWY-GRAIN-VALUE-CURVATURE-ANGLE2:CAPS"></a><span class="term"><code class="literal">GWY_GRAIN_VALUE_CURVATURE_ANGLE2</code></span></p></td>
<td>Direction of the larger grain curvature
radius. If the grain is flat or too
small the angle is reported as π/2.
(Since: 2.22)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GwyInterpolationType"></a><h3>enum GwyInterpolationType</h3>
<pre class="programlisting">typedef enum {
GWY_INTERPOLATION_NONE = 0,
GWY_INTERPOLATION_ROUND = 1,
GWY_INTERPOLATION_LINEAR = 2,
GWY_INTERPOLATION_BILINEAR = GWY_INTERPOLATION_LINEAR,
GWY_INTERPOLATION_KEY = 3,
GWY_INTERPOLATION_BSPLINE = 4,
GWY_INTERPOLATION_OMOMS = 5,
GWY_INTERPOLATION_NNA = 6,
GWY_INTERPOLATION_SCHAUM = 7
} GwyInterpolationType;
</pre>
<p>
Interpolation types.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GWY-INTERPOLATION-NONE:CAPS"></a><span class="term"><code class="literal">GWY_INTERPOLATION_NONE</code></span></p></td>
<td>No interpolation at all, resulting values are not
defined, it must not be used for interpolation.
It can be used in resize operations discarding
original data.
</td>
</tr>
<tr>
<td><p><a name="GWY-INTERPOLATION-ROUND:CAPS"></a><span class="term"><code class="literal">GWY_INTERPOLATION_ROUND</code></span></p></td>
<td>Round interpolation (more precisely symmetric
nearest neighbour interpolation).
</td>
</tr>
<tr>
<td><p><a name="GWY-INTERPOLATION-LINEAR:CAPS"></a><span class="term"><code class="literal">GWY_INTERPOLATION_LINEAR</code></span></p></td>
<td>Linear interpolation.
</td>
</tr>
<tr>
<td><p><a name="GWY-INTERPOLATION-BILINEAR:CAPS"></a><span class="term"><code class="literal">GWY_INTERPOLATION_BILINEAR</code></span></p></td>
<td>Old name for <a class="link" href="libgwyprocess-gwyprocessenums.html#GWY-INTERPOLATION-LINEAR:CAPS"><code class="literal">GWY_INTERPOLATION_LINEAR</code></a>. This
is a misnomer because it in fact denotes linear
interpolation of arbitrary dimension. Use
<a class="link" href="libgwyprocess-gwyprocessenums.html#GWY-INTERPOLATION-LINEAR:CAPS"><code class="literal">GWY_INTERPOLATION_LINEAR</code></a> instead.
</td>
</tr>
<tr>
<td><p><a name="GWY-INTERPOLATION-KEY:CAPS"></a><span class="term"><code class="literal">GWY_INTERPOLATION_KEY</code></span></p></td>
<td>Cubic Key's interpolation (with a=-1/2).
</td>
</tr>
<tr>
<td><p><a name="GWY-INTERPOLATION-BSPLINE:CAPS"></a><span class="term"><code class="literal">GWY_INTERPOLATION_BSPLINE</code></span></p></td>
<td>B-spline interpolation.
</td>
</tr>
<tr>
<td><p><a name="GWY-INTERPOLATION-OMOMS:CAPS"></a><span class="term"><code class="literal">GWY_INTERPOLATION_OMOMS</code></span></p></td>
<td>Omoms interpolation.
</td>
</tr>
<tr>
<td><p><a name="GWY-INTERPOLATION-NNA:CAPS"></a><span class="term"><code class="literal">GWY_INTERPOLATION_NNA</code></span></p></td>
<td>Nearest neighbour approximation.
</td>
</tr>
<tr>
<td><p><a name="GWY-INTERPOLATION-SCHAUM:CAPS"></a><span class="term"><code class="literal">GWY_INTERPOLATION_SCHAUM</code></span></p></td>
<td>Cubic Schaum interpolation.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GwyLineStatQuantity"></a><h3>enum GwyLineStatQuantity</h3>
<pre class="programlisting">typedef enum {
GWY_LINE_STAT_MEAN,
GWY_LINE_STAT_MEDIAN,
GWY_LINE_STAT_MINIMUM,
GWY_LINE_STAT_MAXIMUM,
GWY_LINE_STAT_RMS,
GWY_LINE_STAT_LENGTH,
GWY_LINE_STAT_SLOPE,
GWY_LINE_STAT_TAN_BETA0,
GWY_LINE_STAT_RA,
GWY_LINE_STAT_RZ,
GWY_LINE_STAT_RT,
GWY_LINE_STAT_SKEW,
GWY_LINE_STAT_KURTOSIS
} GwyLineStatQuantity;
</pre>
<p>
Line statistical quantities to be requested with
<a class="link" href="libgwyprocess-stats.html#gwy-data-field-area-get-line-stats" title="gwy_data_field_area_get_line_stats ()"><code class="function">gwy_data_field_area_get_line_stats()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GWY-LINE-STAT-MEAN:CAPS"></a><span class="term"><code class="literal">GWY_LINE_STAT_MEAN</code></span></p></td>
<td>Mean value.
</td>
</tr>
<tr>
<td><p><a name="GWY-LINE-STAT-MEDIAN:CAPS"></a><span class="term"><code class="literal">GWY_LINE_STAT_MEDIAN</code></span></p></td>
<td>Median.
</td>
</tr>
<tr>
<td><p><a name="GWY-LINE-STAT-MINIMUM:CAPS"></a><span class="term"><code class="literal">GWY_LINE_STAT_MINIMUM</code></span></p></td>
<td>Minimum value.
</td>
</tr>
<tr>
<td><p><a name="GWY-LINE-STAT-MAXIMUM:CAPS"></a><span class="term"><code class="literal">GWY_LINE_STAT_MAXIMUM</code></span></p></td>
<td>Maximum value.
</td>
</tr>
<tr>
<td><p><a name="GWY-LINE-STAT-RMS:CAPS"></a><span class="term"><code class="literal">GWY_LINE_STAT_RMS</code></span></p></td>
<td>Root mean square of deviations from the mean value.
</td>
</tr>
<tr>
<td><p><a name="GWY-LINE-STAT-LENGTH:CAPS"></a><span class="term"><code class="literal">GWY_LINE_STAT_LENGTH</code></span></p></td>
<td>Line length.
</td>
</tr>
<tr>
<td><p><a name="GWY-LINE-STAT-SLOPE:CAPS"></a><span class="term"><code class="literal">GWY_LINE_STAT_SLOPE</code></span></p></td>
<td>Overall line slope.
</td>
</tr>
<tr>
<td><p><a name="GWY-LINE-STAT-TAN-BETA0:CAPS"></a><span class="term"><code class="literal">GWY_LINE_STAT_TAN_BETA0</code></span></p></td>
<td>Root mean square slope.
</td>
</tr>
<tr>
<td><p><a name="GWY-LINE-STAT-RA:CAPS"></a><span class="term"><code class="literal">GWY_LINE_STAT_RA</code></span></p></td>
<td>Arithmetic mean surface roughness
</td>
</tr>
<tr>
<td><p><a name="GWY-LINE-STAT-RZ:CAPS"></a><span class="term"><code class="literal">GWY_LINE_STAT_RZ</code></span></p></td>
<td>Maximum height of the roughness profile
</td>
</tr>
<tr>
<td><p><a name="GWY-LINE-STAT-RT:CAPS"></a><span class="term"><code class="literal">GWY_LINE_STAT_RT</code></span></p></td>
<td>Total height of the roughness profile
</td>
</tr>
<tr>
<td><p><a name="GWY-LINE-STAT-SKEW:CAPS"></a><span class="term"><code class="literal">GWY_LINE_STAT_SKEW</code></span></p></td>
<td>Line skew
</td>
</tr>
<tr>
<td><p><a name="GWY-LINE-STAT-KURTOSIS:CAPS"></a><span class="term"><code class="literal">GWY_LINE_STAT_KURTOSIS</code></span></p></td>
<td>Line kurtosis
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.2</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyMaskingType"></a><h3>enum GwyMaskingType</h3>
<pre class="programlisting">typedef enum {
GWY_MASK_EXCLUDE = 0,
GWY_MASK_INCLUDE = 1,
GWY_MASK_IGNORE = 2,
} GwyMaskingType;
</pre>
<p>
Mask handling in procedures that can apply masking.
</p>
<p>
Note at present many procedures do not have a masking argument and hence
cannot apply masks in exclude mode.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GWY-MASK-EXCLUDE:CAPS"></a><span class="term"><code class="literal">GWY_MASK_EXCLUDE</code></span></p></td>
<td>Exclude data under mask, i.e. take into account only
data not covered by the mask.
</td>
</tr>
<tr>
<td><p><a name="GWY-MASK-INCLUDE:CAPS"></a><span class="term"><code class="literal">GWY_MASK_INCLUDE</code></span></p></td>
<td>Take into account only data under the mask.
</td>
</tr>
<tr>
<td><p><a name="GWY-MASK-IGNORE:CAPS"></a><span class="term"><code class="literal">GWY_MASK_IGNORE</code></span></p></td>
<td>Ignore mask, if present, and use all data.
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.12</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyMergeType"></a><h3>enum GwyMergeType</h3>
<pre class="programlisting">typedef enum {
GWY_MERGE_UNION,
GWY_MERGE_INTERSECTION
} GwyMergeType;
</pre>
<p>
Mask merge type (namely used in grain processing).
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GWY-MERGE-UNION:CAPS"></a><span class="term"><code class="literal">GWY_MERGE_UNION</code></span></p></td>
<td>Union (logical or) merging.
</td>
</tr>
<tr>
<td><p><a name="GWY-MERGE-INTERSECTION:CAPS"></a><span class="term"><code class="literal">GWY_MERGE_INTERSECTION</code></span></p></td>
<td>Intersection (logical and) merging.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GwyOrientation"></a><h3>enum GwyOrientation</h3>
<pre class="programlisting">typedef enum {
GWY_ORIENTATION_HORIZONTAL,
GWY_ORIENTATION_VERTICAL
} GwyOrientation;
</pre>
<p>
Orientation type.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GWY-ORIENTATION-HORIZONTAL:CAPS"></a><span class="term"><code class="literal">GWY_ORIENTATION_HORIZONTAL</code></span></p></td>
<td>Horizontal orientation.
</td>
</tr>
<tr>
<td><p><a name="GWY-ORIENTATION-VERTICAL:CAPS"></a><span class="term"><code class="literal">GWY_ORIENTATION_VERTICAL</code></span></p></td>
<td>Vertical orientation.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GwyPlaneFitQuantity"></a><h3>enum GwyPlaneFitQuantity</h3>
<pre class="programlisting">typedef enum {
GWY_PLANE_FIT_A = 1,
GWY_PLANE_FIT_BX,
GWY_PLANE_FIT_BY,
GWY_PLANE_FIT_ANGLE,
GWY_PLANE_FIT_SLOPE,
GWY_PLANE_FIT_S0,
GWY_PLANE_FIT_S0_REDUCED
} GwyPlaneFitQuantity;
</pre>
<p>
Local plane fitting quantity to request from
<a class="link" href="libgwyprocess-level.html#gwy-data-field-area-fit-local-planes" title="gwy_data_field_area_fit_local_planes ()"><code class="function">gwy_data_field_area_fit_local_planes()</code></a> and similar functions.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GWY-PLANE-FIT-A:CAPS"></a><span class="term"><code class="literal">GWY_PLANE_FIT_A</code></span></p></td>
<td>Constant coefficient (mean value).
</td>
</tr>
<tr>
<td><p><a name="GWY-PLANE-FIT-BX:CAPS"></a><span class="term"><code class="literal">GWY_PLANE_FIT_BX</code></span></p></td>
<td>Linear coefficient in x, if x in in pixel coordinates.
</td>
</tr>
<tr>
<td><p><a name="GWY-PLANE-FIT-BY:CAPS"></a><span class="term"><code class="literal">GWY_PLANE_FIT_BY</code></span></p></td>
<td>Linear coefficient in y, if y is in pixel coordinates.
</td>
</tr>
<tr>
<td><p><a name="GWY-PLANE-FIT-ANGLE:CAPS"></a><span class="term"><code class="literal">GWY_PLANE_FIT_ANGLE</code></span></p></td>
<td>Slope orientation in (x,y) plane (in radians).
</td>
</tr>
<tr>
<td><p><a name="GWY-PLANE-FIT-SLOPE:CAPS"></a><span class="term"><code class="literal">GWY_PLANE_FIT_SLOPE</code></span></p></td>
<td>Absolute slope value (that is sqrt(bx*bx + by*by)).
</td>
</tr>
<tr>
<td><p><a name="GWY-PLANE-FIT-S0:CAPS"></a><span class="term"><code class="literal">GWY_PLANE_FIT_S0</code></span></p></td>
<td>Residual sum of squares.
</td>
</tr>
<tr>
<td><p><a name="GWY-PLANE-FIT-S0-REDUCED:CAPS"></a><span class="term"><code class="literal">GWY_PLANE_FIT_S0_REDUCED</code></span></p></td>
<td>Slope-reduced residual sum of squares.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GwyPlaneSymmetry"></a><h3>enum GwyPlaneSymmetry</h3>
<pre class="programlisting">typedef enum {
GWY_SYMMETRY_AUTO,
GWY_SYMMETRY_PARALLEL,
GWY_SYMMETRY_TRIANGULAR,
GWY_SYMMETRY_SQUARE,
GWY_SYMMETRY_RHOMBIC,
GWY_SYMMETRY_HEXAGONAL,
GWY_SYMMETRY_LAST
} GwyPlaneSymmetry;
</pre>
<p>
Plane symmetry types for rotation correction.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GWY-SYMMETRY-AUTO:CAPS"></a><span class="term"><code class="literal">GWY_SYMMETRY_AUTO</code></span></p></td>
<td>Automatic symmetry selection.
</td>
</tr>
<tr>
<td><p><a name="GWY-SYMMETRY-PARALLEL:CAPS"></a><span class="term"><code class="literal">GWY_SYMMETRY_PARALLEL</code></span></p></td>
<td>Parallel symmetry, there is one prevalent direction
(bilateral).
</td>
</tr>
<tr>
<td><p><a name="GWY-SYMMETRY-TRIANGULAR:CAPS"></a><span class="term"><code class="literal">GWY_SYMMETRY_TRIANGULAR</code></span></p></td>
<td>Triangular symmetry, there are three prevalent
directions (unilateral) by 120 degrees.
</td>
</tr>
<tr>
<td><p><a name="GWY-SYMMETRY-SQUARE:CAPS"></a><span class="term"><code class="literal">GWY_SYMMETRY_SQUARE</code></span></p></td>
<td>Square symmetry, two prevalent directions (bilateral)
oriented approximately along image sides.
</td>
</tr>
<tr>
<td><p><a name="GWY-SYMMETRY-RHOMBIC:CAPS"></a><span class="term"><code class="literal">GWY_SYMMETRY_RHOMBIC</code></span></p></td>
<td>Rhombic symmetry, two prevalent directions
(bilateral) oriented approximately along diagonals.
</td>
</tr>
<tr>
<td><p><a name="GWY-SYMMETRY-HEXAGONAL:CAPS"></a><span class="term"><code class="literal">GWY_SYMMETRY_HEXAGONAL</code></span></p></td>
<td>Hexagonal symmetry, three prevalent directions
(bilateral) by 120 degrees.
</td>
</tr>
<tr>
<td><p><a name="GWY-SYMMETRY-LAST:CAPS"></a><span class="term"><code class="literal">GWY_SYMMETRY_LAST</code></span></p></td>
<td>The number of symmetries.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GwyTipType"></a><h3>enum GwyTipType</h3>
<pre class="programlisting">typedef enum {
GWY_TIP_PYRAMIDE = 0,
GWY_TIP_CONTACT = 1,
GWY_TIP_NONCONTACT = 2,
GWY_TIP_DELTA = 3
} GwyTipType;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyTransformDirection"></a><h3>enum GwyTransformDirection</h3>
<pre class="programlisting">typedef enum {
GWY_TRANSFORM_DIRECTION_BACKWARD = -1,
GWY_TRANSFORM_DIRECTION_FORWARD = 1
} GwyTransformDirection;
</pre>
<p>
Transform (namely integral transform) direction.
</p>
<p>
In FFT, it is equal to sign of the exponent, that is the backward transform
uses -1, the forward transform +1.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GWY-TRANSFORM-DIRECTION-BACKWARD:CAPS"></a><span class="term"><code class="literal">GWY_TRANSFORM_DIRECTION_BACKWARD</code></span></p></td>
<td>Backward (inverse) transform.
</td>
</tr>
<tr>
<td><p><a name="GWY-TRANSFORM-DIRECTION-FORWARD:CAPS"></a><span class="term"><code class="literal">GWY_TRANSFORM_DIRECTION_FORWARD</code></span></p></td>
<td>Forward (direct) transform.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GwyWatershedStateType"></a><h3>enum GwyWatershedStateType</h3>
<pre class="programlisting">typedef enum {
GWY_WATERSHED_STATE_INIT,
GWY_WATERSHED_STATE_LOCATE,
GWY_WATERSHED_STATE_MIN,
GWY_WATERSHED_STATE_WATERSHED,
GWY_WATERSHED_STATE_MARK,
GWY_WATERSHED_STATE_FINISHED
} GwyWatershedStateType;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GwyWindowingType"></a><h3>enum GwyWindowingType</h3>
<pre class="programlisting">typedef enum {
GWY_WINDOWING_NONE = 0,
GWY_WINDOWING_HANN = 1,
GWY_WINDOWING_HAMMING = 2,
GWY_WINDOWING_BLACKMANN = 3,
GWY_WINDOWING_LANCZOS = 4,
GWY_WINDOWING_WELCH = 5,
GWY_WINDOWING_RECT = 6,
GWY_WINDOWING_NUTTALL = 7,
GWY_WINDOWING_FLAT_TOP = 8,
GWY_WINDOWING_KAISER25 = 9
} GwyWindowingType;
</pre>
<p>
Frequency windowing type.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GWY-WINDOWING-NONE:CAPS"></a><span class="term"><code class="literal">GWY_WINDOWING_NONE</code></span></p></td>
<td>No windowing is applied.
</td>
</tr>
<tr>
<td><p><a name="GWY-WINDOWING-HANN:CAPS"></a><span class="term"><code class="literal">GWY_WINDOWING_HANN</code></span></p></td>
<td>Hann window.
</td>
</tr>
<tr>
<td><p><a name="GWY-WINDOWING-HAMMING:CAPS"></a><span class="term"><code class="literal">GWY_WINDOWING_HAMMING</code></span></p></td>
<td>Hamming window.
</td>
</tr>
<tr>
<td><p><a name="GWY-WINDOWING-BLACKMANN:CAPS"></a><span class="term"><code class="literal">GWY_WINDOWING_BLACKMANN</code></span></p></td>
<td>Blackmann window.
</td>
</tr>
<tr>
<td><p><a name="GWY-WINDOWING-LANCZOS:CAPS"></a><span class="term"><code class="literal">GWY_WINDOWING_LANCZOS</code></span></p></td>
<td>Lanczos window.
</td>
</tr>
<tr>
<td><p><a name="GWY-WINDOWING-WELCH:CAPS"></a><span class="term"><code class="literal">GWY_WINDOWING_WELCH</code></span></p></td>
<td>Welch window.
</td>
</tr>
<tr>
<td><p><a name="GWY-WINDOWING-RECT:CAPS"></a><span class="term"><code class="literal">GWY_WINDOWING_RECT</code></span></p></td>
<td>Rectangular window.
</td>
</tr>
<tr>
<td><p><a name="GWY-WINDOWING-NUTTALL:CAPS"></a><span class="term"><code class="literal">GWY_WINDOWING_NUTTALL</code></span></p></td>
<td>Nuttall window (Since: 2.7).
</td>
</tr>
<tr>
<td><p><a name="GWY-WINDOWING-FLAT-TOP:CAPS"></a><span class="term"><code class="literal">GWY_WINDOWING_FLAT_TOP</code></span></p></td>
<td>Flat-top window (Since: 2.7).
</td>
</tr>
<tr>
<td><p><a name="GWY-WINDOWING-KAISER25:CAPS"></a><span class="term"><code class="literal">GWY_WINDOWING_KAISER25</code></span></p></td>
<td>Kaiser window with β=2.5 (Since: 2.7).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-2d-cwt-wavelet-type-get-enum"></a><h3>gwy_2d_cwt_wavelet_type_get_enum ()</h3>
<pre class="programlisting">const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * gwy_2d_cwt_wavelet_type_get_enum (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Returns <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> for <a class="link" href="libgwyprocess-gwyprocessenums.html#Gwy2DCWTWaveletType" title="enum Gwy2DCWTWaveletType"><span class="type">Gwy2DCWTWaveletType</span></a> enum type.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> which must not be modified nor freed.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-correlation-type-get-enum"></a><h3>gwy_correlation_type_get_enum ()</h3>
<pre class="programlisting">const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * gwy_correlation_type_get_enum (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-dwt-denoise-type-get-enum"></a><h3>gwy_dwt_denoise_type_get_enum ()</h3>
<pre class="programlisting">const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * gwy_dwt_denoise_type_get_enum (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Returns <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> for <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyDWTDenoiseType" title="enum GwyDWTDenoiseType"><span class="type">GwyDWTDenoiseType</span></a> enum type.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> which must not be modified nor freed.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-dwt-type-get-enum"></a><h3>gwy_dwt_type_get_enum ()</h3>
<pre class="programlisting">const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * gwy_dwt_type_get_enum (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Returns <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> for <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyDWTType" title="enum GwyDWTType"><span class="type">GwyDWTType</span></a> enum type.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> which must not be modified nor freed.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-interpolation-type-get-enum"></a><h3>gwy_interpolation_type_get_enum ()</h3>
<pre class="programlisting">const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * gwy_interpolation_type_get_enum (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Returns <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> for <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyInterpolationType" title="enum GwyInterpolationType"><span class="type">GwyInterpolationType</span></a> enum type.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> which must not be modified nor freed.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-masking-type-get-enum"></a><h3>gwy_masking_type_get_enum ()</h3>
<pre class="programlisting">const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * gwy_masking_type_get_enum (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Returns <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> for <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyMaskingType" title="enum GwyMaskingType"><span class="type">GwyMaskingType</span></a> enum type.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> which must not be modified nor freed.</td>
</tr></tbody>
</table></div>
<p class="since">Since 2.18</p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-merge-type-get-enum"></a><h3>gwy_merge_type_get_enum ()</h3>
<pre class="programlisting">const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * gwy_merge_type_get_enum (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Returns <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> for <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyMergeType" title="enum GwyMergeType"><span class="type">GwyMergeType</span></a> enum type.
</p>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> which must not be modified nor freed.</td>
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<div class="refsect2">
<a name="gwy-orientation-get-enum"></a><h3>gwy_orientation_get_enum ()</h3>
<pre class="programlisting">const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * gwy_orientation_get_enum (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Returns <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> for <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyOrientation" title="enum GwyOrientation"><span class="type">GwyOrientation</span></a> enum type.
</p>
<div class="variablelist"><table border="0">
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> which must not be modified nor freed.</td>
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<hr>
<div class="refsect2">
<a name="gwy-plane-symmetry-get-enum"></a><h3>gwy_plane_symmetry_get_enum ()</h3>
<pre class="programlisting">const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * gwy_plane_symmetry_get_enum (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Returns <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> for <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyPlaneSymmetry" title="enum GwyPlaneSymmetry"><span class="type">GwyPlaneSymmetry</span></a> enum type.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> which must not be modified nor freed.</td>
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</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-windowing-type-get-enum"></a><h3>gwy_windowing_type_get_enum ()</h3>
<pre class="programlisting">const <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="returnvalue">GwyEnum</span></a> * gwy_windowing_type_get_enum (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Returns <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> for <a class="link" href="libgwyprocess-gwyprocessenums.html#GwyWindowingType" title="enum GwyWindowingType"><span class="type">GwyWindowingType</span></a> enum type.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated <a href="./../libgwyddion/libgwyddion/GwyEnum.html"><span class="type">GwyEnum</span></a> which must not be modified nor freed.</td>
</tr></tbody>
</table></div>
</div>
</div>
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