[gimp-help-2] Some updates in blur filters
- From: Julien Hardlin <jhardlin src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gimp-help-2] Some updates in blur filters
- Date: Mon, 16 Oct 2017 13:23:23 +0000 (UTC)
commit d30e27d8cc51d19b32abdbaeb8e7b612119387df
Author: Julien Hardelin <jhardlin orange fr>
Date: Mon Oct 16 15:22:32 2017 +0200
Some updates in blur filters
images/C/filters/blur/circular-options.png | Bin 0 -> 22931 bytes
.../filters/blur/{gauss.png => gauss-options.png} | Bin 20892 -> 20915 bytes
.../C/filters/blur/gaussian-selective-options.png | Bin 0 -> 20289 bytes
images/C/filters/blur/linear-options.png | Bin 0 -> 16422 bytes
images/C/filters/blur/mblur.png | Bin 26995 -> 0 bytes
images/C/filters/blur/pixelize-options.png | Bin 0 -> 26947 bytes
images/C/filters/blur/pixelize.png | Bin 6638 -> 0 bytes
images/C/filters/blur/sel-gauss.png | Bin 20539 -> 0 bytes
images/C/filters/blur/tileable-options.png | Bin 0 -> 7444 bytes
images/C/filters/blur/tileable.png | Bin 6501 -> 0 bytes
images/C/filters/blur/zoom-options.png | Bin 0 -> 20853 bytes
...-taj-mblur-radial.jpg => blur-taj-circular.jpg} | Bin 16789 -> 16789 bytes
images/C/filters/examples/blur-taj-linear.jpg | Bin 0 -> 28012 bytes
images/C/filters/examples/blur-taj-zoom.jpg | Bin 0 -> 27583 bytes
src/filters/blur.xml | 6 +-
src/filters/blur/circular-motion.xml | 97 +++++++++++++++++++
src/filters/blur/gauss.xml | 13 ++-
src/filters/blur/gauss_select.xml | 32 +++++--
src/filters/blur/linear-motion.xml | 95 +++++++++++++++++++
src/filters/blur/mblur.xml | 9 +--
src/filters/blur/{pixelise.xml => pixelize.xml} | 74 +++++++++++----
src/filters/blur/tileable.xml | 24 ++---
src/filters/blur/zoom-motion.xml | 99 ++++++++++++++++++++
23 files changed, 395 insertions(+), 54 deletions(-)
---
diff --git a/images/C/filters/blur/circular-options.png b/images/C/filters/blur/circular-options.png
new file mode 100644
index 0000000..8b3f31e
Binary files /dev/null and b/images/C/filters/blur/circular-options.png differ
diff --git a/images/C/filters/blur/gauss.png b/images/C/filters/blur/gauss-options.png
similarity index 94%
rename from images/C/filters/blur/gauss.png
rename to images/C/filters/blur/gauss-options.png
index 6c8f049..576c8c9 100644
Binary files a/images/C/filters/blur/gauss.png and b/images/C/filters/blur/gauss-options.png differ
diff --git a/images/C/filters/blur/gaussian-selective-options.png
b/images/C/filters/blur/gaussian-selective-options.png
new file mode 100644
index 0000000..e54a845
Binary files /dev/null and b/images/C/filters/blur/gaussian-selective-options.png differ
diff --git a/images/C/filters/blur/linear-options.png b/images/C/filters/blur/linear-options.png
new file mode 100644
index 0000000..9bbde3e
Binary files /dev/null and b/images/C/filters/blur/linear-options.png differ
diff --git a/images/C/filters/blur/pixelize-options.png b/images/C/filters/blur/pixelize-options.png
new file mode 100644
index 0000000..ca3edc7
Binary files /dev/null and b/images/C/filters/blur/pixelize-options.png differ
diff --git a/images/C/filters/blur/tileable-options.png b/images/C/filters/blur/tileable-options.png
new file mode 100644
index 0000000..f194b14
Binary files /dev/null and b/images/C/filters/blur/tileable-options.png differ
diff --git a/images/C/filters/blur/zoom-options.png b/images/C/filters/blur/zoom-options.png
new file mode 100644
index 0000000..d5eeb42
Binary files /dev/null and b/images/C/filters/blur/zoom-options.png differ
diff --git a/images/C/filters/examples/blur-taj-linear.jpg b/images/C/filters/examples/blur-taj-linear.jpg
new file mode 100644
index 0000000..f248e1a
Binary files /dev/null and b/images/C/filters/examples/blur-taj-linear.jpg differ
diff --git a/images/C/filters/examples/blur-taj-zoom.jpg b/images/C/filters/examples/blur-taj-zoom.jpg
new file mode 100644
index 0000000..055a016
Binary files /dev/null and b/images/C/filters/examples/blur-taj-zoom.jpg differ
diff --git a/src/filters/blur.xml b/src/filters/blur.xml
index 67c24fc..b4f27ae 100644
--- a/src/filters/blur.xml
+++ b/src/filters/blur.xml
@@ -9,8 +9,10 @@
<xi:include href="blur/introduction.xml"/>
<xi:include href="blur/gauss.xml"/>
+ <xi:include href="blur/pixelize.xml"/>
<xi:include href="blur/gauss_select.xml"/>
- <xi:include href="blur/mblur.xml"/>
- <xi:include href="blur/pixelise.xml"/>
+ <xi:include href="blur/circular-motion.xml"/>
+ <xi:include href="blur/linear-motion.xml"/>
+ <xi:include href="blur/zoom-motion.xml"/>
<xi:include href="blur/tileable.xml"/>
</sect1>
diff --git a/src/filters/blur/circular-motion.xml b/src/filters/blur/circular-motion.xml
new file mode 100644
index 0000000..7a22fee
--- /dev/null
+++ b/src/filters/blur/circular-motion.xml
@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE sect2 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
+ "http://www.docbook.org/xml/4.3/docbookx.dtd";>
+<!-- section history:
+ 2017-10-14 j.h: created
+-->
+<sect2 id="gimp-filter-motion-blur-circular">
+ <title>Circular Motion Blur</title>
+
+ <indexterm>
+ <primary>Filters</primary>
+ <secondary>Blur</secondary>
+ <tertiary>Circular Motion</tertiary>
+ </indexterm>
+ <indexterm>
+ <primary>Circular Motion Blur</primary>
+ </indexterm>
+
+ <sect3>
+ <title>Overview</title>
+ <figure>
+ <title>The Circular Motion Blur filter</title>
+ <mediaobject>
+ <imageobject>
+ <imagedata fileref="images/filters/examples/taj_orig.jpg"
+ format="JPG"/>
+ </imageobject>
+ <caption>
+ <para>Original</para>
+ </caption>
+ </mediaobject>
+ <mediaobject>
+ <imageobject>
+ <imagedata fileref="images/filters/examples/blur-taj-circular.jpg"
+ format="JPG"/>
+ </imageobject>
+ <caption>
+ <para>Blur applied</para>
+ </caption>
+ </mediaobject>
+ </figure>
+ <para>
+ This filters creates a circular blur around a center. The default center
+ is the center of the layer or selection. You can set center somewhere in
+ the layer and this center is applied to the layer or to a selection if it
+ exists.
+ </para>
+ </sect3>
+
+ <sect3>
+ <title>Options</title>
+ <figure>
+ <title><quote>Circular Motion Blur</quote> filter options</title>
+ <mediaobject>
+ <imageobject>
+ <imagedata format="PNG"
+ fileref="images/filters/blur/circular-options.png"/>
+ </imageobject>
+ </mediaobject>
+ </figure>
+
+ <variablelist>
+ <varlistentry>
+ <term><guilabel>Presets</guilabel>, <guilabel>Preview</guilabel>,
+ <guilabel>Split view</guilabel></term>
+ <listitem>
+ <para>
+ These options are common to GEGL-based filters. Please refer to
+ <xref linkend="gimp-filters-common"/>.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><guilabel>Center X</guilabel></term>
+ <term><guilabel>Center Y</guilabel></term>
+ <listitem>
+ <para>
+ Here, you can set the rotation center. Sliders and spin buttons
+ control the position of rotation center on horizontal and vertical
+ axis. You can also click on the rectangle button with an arrow on
+ the right and then click on the image to pick coordinates.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><guilabel>Angle</guilabel></term>
+ <listitem>
+ <para>
+ More Angle will result in more blurring in a circular direction.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </sect3>
+</sect2>
\ No newline at end of file
diff --git a/src/filters/blur/gauss.xml b/src/filters/blur/gauss.xml
index 8a8e457..4514c52 100644
--- a/src/filters/blur/gauss.xml
+++ b/src/filters/blur/gauss.xml
@@ -70,7 +70,7 @@
<mediaobject>
<imageobject>
<imagedata format="PNG"
- fileref="images/filters/blur/gauss.png"/>
+ fileref="images/filters/blur/gauss-options.png"/>
</imageobject>
</mediaobject>
</figure>
@@ -80,14 +80,15 @@
<guilabel>Split view</guilabel></term>
<listitem>
<para>
- These options are common to GEGL filters. Please refer to <xref
- linkend="gimp-filters-common"/>.
+ These options are common to GEGL-based filters. Please refer to
+ <xref linkend="gimp-filters-common"/>.
</para>
</listitem>
</varlistentry>
<varlistentry>
- <term>Size X, Size Y</term>
+ <term><guilabel>Size X</guilabel></term>
+ <term><guilabel>Size Y</guilabel></term>
<listitem>
<para>
Here you can set the blur intensity. By altering the ratio of
@@ -98,7 +99,7 @@
</varlistentry>
<varlistentry>
- <term>Filter</term>
+ <term><guilabel>Filter</guilabel></term>
<listitem>
<para>
<guilabel>None</guilabel>: default option: no FIR nor RLE
@@ -106,7 +107,7 @@
</para>
<para>
<guilabel>FIR</guilabel>: stands for <quote>Finite Impulse
- Response</quote>.
+ Response</quote>. For photographic or scanned images.
</para>
<para>
<guilabel>RLE</guilabel>: stands for <quote>run-length
diff --git a/src/filters/blur/gauss_select.xml b/src/filters/blur/gauss_select.xml
index 2713a1b..b86a806 100644
--- a/src/filters/blur/gauss_select.xml
+++ b/src/filters/blur/gauss_select.xml
@@ -2,12 +2,7 @@
<!DOCTYPE sect2 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
"http://www.docbook.org/xml/4.3/docbookx.dtd";>
<!-- section history:
- 2008-08-03 prokoudine: improved Russian content, added localized screenshot
- 2007-03-29 KoSt: added 'no'
- 2005-12-07 replaced <simplesect> by <sect3> by lexa
- 050819 de added by axel.wernicke
- 050930 de fixed figure issue by axel.wernicke
- 051110 en;fr reviewed by julien hardelin
+ 2017-10-14 j.h: some updates
-->
<sect2 id="gimp-filter-gaussian-blur-selective">
<title>Selective Gaussian Blur</title>
@@ -76,13 +71,32 @@
<mediaobject>
<imageobject>
<imagedata format="PNG"
- fileref="images/filters/blur/sel-gauss.png"/>
+ fileref="images/filters/blur/gaussian-selective-options.png"/>
</imageobject>
</mediaobject>
</figure>
<variablelist>
<varlistentry>
- <term>Blur radius</term>
+ <term><guilabel>Presets</guilabel>, <guilabel>Preview</guilabel>,
+ <guilabel>Split view</guilabel></term>
+ <listitem>
+ <para>
+ These options are common to GEGL-based filters. Please refer to
+ <xref linkend="gimp-filters-common"/>.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><guilabel>Aux. input</guilabel></term>
+ <listitem>
+ <para>
+ If there is another image on screen, you can select it as
+ auxiliary input.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><guilabel>Blur radius</guilabel></term>
<listitem>
<para>
Here you can set the blur intensity, in pixels.
@@ -90,7 +104,7 @@
</listitem>
</varlistentry>
<varlistentry>
- <term>Max. delta</term>
+ <term><guilabel>Max. delta</guilabel></term>
<listitem>
<para>
Here you can set the maximum difference (0-255) between the
diff --git a/src/filters/blur/linear-motion.xml b/src/filters/blur/linear-motion.xml
new file mode 100644
index 0000000..67e6978
--- /dev/null
+++ b/src/filters/blur/linear-motion.xml
@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE sect2 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
+ "http://www.docbook.org/xml/4.3/docbookx.dtd";>
+<!-- section history:
+ 2017-10-14 j.h: created
+-->
+<sect2 id="gimp-filter-motion-blur-linear">
+ <title>Linear Motion Blur</title>
+ <indexterm>
+ <primary>Filters</primary>
+ <secondary>Blur</secondary>
+ <tertiary>Linear Motion</tertiary>
+ </indexterm>
+ <indexterm>
+ <primary>Linear Motion Blur</primary>
+ </indexterm>
+
+ <sect3>
+ <title>Overview</title>
+ <figure>
+ <title>The Linear Motion Blur filter</title>
+ <mediaobject>
+ <imageobject>
+ <imagedata fileref="images/filters/examples/taj_orig.jpg"
+ format="JPG"/>
+ </imageobject>
+ <caption>
+ <para>Original</para>
+ </caption>
+ </mediaobject>
+ <mediaobject>
+ <imageobject>
+ <imagedata fileref="images/filters/examples/blur-taj-linear.jpg"
+ format="JPG"/>
+ </imageobject>
+ <caption>
+ <para>Blur applied</para>
+ </caption>
+ </mediaobject>
+ </figure>
+ <para>
+ This filter creates a linear in a direction determined by the
+ <quote>Angle</quote> option. The default direction is horizontal to the
+ right (0.000 degree).
+ </para>
+ </sect3>
+
+ <sect3>
+ <title>Options</title>
+ <figure>
+ <title><quote>Linear Motion Blur</quote> filter options</title>
+ <mediaobject>
+ <imageobject>
+ <imagedata format="PNG"
+ fileref="images/filters/blur/linear-options.png"/>
+ </imageobject>
+ </mediaobject>
+ </figure>
+
+ <variablelist>
+ <varlistentry>
+ <term><guilabel>Presets</guilabel>, <guilabel>Preview</guilabel>,
+ <guilabel>Split view</guilabel></term>
+ <listitem>
+ <para>
+ These options are common to GEGL-based filters. Please refer to
+ <xref linkend="gimp-filters-common"/>.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><guilabel>Length</guilabel></term>
+ <listitem>
+ <para>
+ Is a blur that travels in a single direction, horizontally, for
+ example. In this case, Length represents the blur intensity. More
+ Length will result in more blurring.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><guilabel>Angle</guilabel></term>
+ <listitem>
+ <para>
+ Angle describes the actual angle of the movement. Thus, a setting of
+ 90 will produce a vertical blur, and a setting of 0 will produce a
+ horizontal blur.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </sect3>
+</sect2>
\ No newline at end of file
diff --git a/src/filters/blur/mblur.xml b/src/filters/blur/mblur.xml
index c8888fc..4379c3b 100644
--- a/src/filters/blur/mblur.xml
+++ b/src/filters/blur/mblur.xml
@@ -2,12 +2,7 @@
<!DOCTYPE sect2 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
"http://www.docbook.org/xml/4.3/docbookx.dtd";>
<!-- section history:
- 2008-08-03 prokoudine: improved Russian content, added localized screenshot
- 2007-03-29 KoSt: added 'no'
- 2005-12-07 replaced <simplesect> by <sect3> by lexa
- 050819 de added by axel.wernicke
- 050930 de fixed figure issue by axel.wernicke
- 051111 en;fr reviewed by julien hardelin
+ 2017-10-14
-->
<sect2 id="plug-in-mblur">
<title>Motion Blur</title>
@@ -106,7 +101,7 @@
<para>
Is a blur that travels in a single direction,
horizontally, for example. In this case, Length means as
- Radius in other filters:it represents the blur intensity.
+ Radius in other filters: it represents the blur intensity.
More Length will result in more blurring. Angle describes
the actual angle of the movement. Thus, a setting of 90
will produce a vertical blur, and a setting of 0 will
diff --git a/src/filters/blur/pixelise.xml b/src/filters/blur/pixelize.xml
similarity index 52%
rename from src/filters/blur/pixelise.xml
rename to src/filters/blur/pixelize.xml
index c576c67..530945a 100644
--- a/src/filters/blur/pixelise.xml
+++ b/src/filters/blur/pixelize.xml
@@ -2,24 +2,18 @@
<!DOCTYPE sect2 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
"http://www.docbook.org/xml/4.3/docbookx.dtd";>
<!-- section history:
- 2008-08-03 prokoudine: improved Russian content, added localized screenshot
- 2007-03-30 KoSt: added 'no'
- 2005-12-07 replaced <simplesect> by <sect3> by lexa
- 050819 de added by axel.wernicke
- 050930 de fixed figure issue by axel.wernicke
- 051111 en;fr reviewed by julien hardelin
- 05/11/23 fixed missing lang tag by axel wernicke
+ 2017-10-14 j.h: Some updates
-->
<sect2 id="gimp-filter-pixelize">
- <title>Pixelise</title>
+ <title>Pixelize</title>
<indexterm>
<primary>Filters</primary>
<secondary>Blur</secondary>
- <tertiary>Pixelise</tertiary>
+ <tertiary>Pixelize</tertiary>
</indexterm>
<indexterm>
- <primary>Pixelise</primary>
+ <primary>Pixelize</primary>
</indexterm>
<sect3>
@@ -60,7 +54,7 @@
<menuchoice>
<guimenu>Filters</guimenu>
<guisubmenu>Blur</guisubmenu>
- <guimenuitem>Pixelise…</guimenuitem>
+ <guimenuitem>Pixelize…</guimenuitem>
</menuchoice>
</para>
</sect3>
@@ -72,26 +66,72 @@
<mediaobject>
<imageobject>
<imagedata format="PNG"
- fileref="images/filters/blur/pixelize.png"/>
+ fileref="images/filters/blur/pixelize-options.png"/>
</imageobject>
</mediaobject>
</figure>
<variablelist>
<varlistentry>
- <term>Pixel width</term>
- <term>Pixel height</term>
+ <term><guilabel>Presets</guilabel>, <guilabel>Preview</guilabel>,
+ <guilabel>Split view</guilabel></term>
<listitem>
<para>
- Here you can set the desired width and height of the blocks.
+ These options are common to GEGL-based filters. Please refer to
+ <xref linkend="gimp-filters-common"/>.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><guilabel>Shape</guilabel></term>
+ <listitem>
+ <para>
+ TODO. Not working
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><guilabel>Block width</guilabel></term>
+ <term><guilabel>Block height</guilabel></term>
+ <listitem>
+ <para>
+ Here you can set the desired width and height of the blocks, in
+ pixels.
</para>
<para>
By default, width and height are linked, indicated by the chain
symbol next to the input boxes. If you want to set width and
height separately, click on that chain symbol to unlink them.
</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><guilabel>Size ratio X</guilabel></term>
+ <term><guilabel>Size ratio Y</guilabel></term>
+ <listitem>
+ <para>
+ Horizontal/Vertical size ratio (0.000-1.000) of a pixel inside a
+ block. Default value is 1.000). The number of blocks remains the
+ same; so, if you change ratio, block size changes, and missing
+ pixels are replaced with the background color.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><guilabel>Background color</guilabel></term>
+ <listitem>
+ <para>
+ Default background is that of toolbox. You can change it by
+ clicking on color source or picking a color using the color picker
+ on the right.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><guilabel>Use the selection as input</guilabel></term>
+ <listitem>
<para>
- Using the unit selection box you can select the unit of measure
- for height and width.
+ TODO. Not working. Filter works on selection if a selection exists,
+ on the entire layer if there is no selection.
</para>
</listitem>
</varlistentry>
diff --git a/src/filters/blur/tileable.xml b/src/filters/blur/tileable.xml
index cec9c84..0a3c42a 100644
--- a/src/filters/blur/tileable.xml
+++ b/src/filters/blur/tileable.xml
@@ -2,12 +2,7 @@
<!DOCTYPE sect2 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
"http://www.docbook.org/xml/4.3/docbookx.dtd";>
<!-- section history:
- 2008-08-03 prokoudine: improved Russian content, added localized screenshot
- 2007-03-30 KoSt: added 'no'
- 2005-12-07 replaced <simplesect> by <sect3> by lexa
- 050820 de added by axel.wernicke
- 050930 de fixed figure issue by axel.wernicke
- 051111 en;fr reviewed by julien hardelin
+ 2017-10-14 j.h: some updates
-->
<sect2 id="script-fu-tile-blur">
<title>Tileable Blur</title>
@@ -45,6 +40,9 @@
</mediaobject>
</figure>
<para>
+ This tool is a script-fu and not GEGL-based.
+ </para>
+ <para>
This tool is used to soften tile seams in images used in tiled
backgrounds. It does this by blending and blurring the boundary between
images that will be next to each other after tiling.
@@ -131,13 +129,13 @@
<mediaobject>
<imageobject>
<imagedata format="PNG"
- fileref="images/filters/blur/tileable.png"/>
+ fileref="images/filters/blur/tileable-options.png"/>
</imageobject>
</mediaobject>
</figure>
<variablelist>
<varlistentry>
- <term>Radius</term>
+ <term><guilabel>Radius</guilabel></term>
<listitem>
<para>
The bigger the radius, the more marked is the blur. By selecting
@@ -147,8 +145,8 @@
</listitem>
</varlistentry>
<varlistentry>
- <term>Blur vertically</term>
- <term>Blur horizontally</term>
+ <term><guilabel>Blur vertically</guilabel></term>
+ <term><guilabel>Blur horizontally</guilabel></term>
<listitem>
<para>
These options are self-explanatory.
@@ -156,18 +154,18 @@
</listitem>
</varlistentry>
<varlistentry>
- <term>Blur type</term>
+ <term><guilabel>Blur type</guilabel></term>
<listitem>
<para>Choose the algorithm to be applied:</para>
<variablelist>
<varlistentry>
- <term>IIR</term>
+ <term><guilabel>IIR</guilabel></term>
<listitem>
<para>for photographic or scanned images.</para>
</listitem>
</varlistentry>
<varlistentry>
- <term>RLE</term>
+ <term><guilabel>RLE</guilabel></term>
<listitem>
<para>for computer-generated images.</para>
</listitem>
diff --git a/src/filters/blur/zoom-motion.xml b/src/filters/blur/zoom-motion.xml
new file mode 100644
index 0000000..80d351c
--- /dev/null
+++ b/src/filters/blur/zoom-motion.xml
@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE sect2 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
+ "http://www.docbook.org/xml/4.3/docbookx.dtd";>
+<!-- section history:
+ 2017-10-14 j.h: created
+-->
+<sect2 id="gimp-filter-motion-blur-zoom">
+ <title>Zoom Motion Blur</title>
+
+ <indexterm>
+ <primary>Filters</primary>
+ <secondary>Blur</secondary>
+ <tertiary>Zoom Motion</tertiary>
+ </indexterm>
+ <indexterm>
+ <primary>Zoom Motion Blur</primary>
+ </indexterm>
+
+ <sect3>
+ <title>Overview</title>
+ <figure>
+ <title>The Zoom Motion Blur filter</title>
+ <mediaobject>
+ <imageobject>
+ <imagedata fileref="images/filters/examples/taj_orig.jpg"
+ format="JPG"/>
+ </imageobject>
+ <caption>
+ <para>Original</para>
+ </caption>
+ </mediaobject>
+ <mediaobject>
+ <imageobject>
+ <imagedata fileref="images/filters/examples/blur-taj-zoom.jpg"
+ format="JPG"/>
+ </imageobject>
+ <caption>
+ <para>Blur applied</para>
+ </caption>
+ </mediaobject>
+ </figure>
+ <para>
+ The name of this filter should be <quote>Radial</quote>. It creates a
+ blur in all directions around a center. The default center is the center
+ of the layer or selection. You can set center somewhere in the layer and
+ this center is applied to the layer or to a selection if it exists.
+ </para>
+ </sect3>
+
+
+ <sect3>
+ <title>Options</title>
+ <figure>
+ <title><quote>Zoom Motion Blur</quote> filter options</title>
+ <mediaobject>
+ <imageobject>
+ <imagedata format="PNG"
+ fileref="images/filters/blur/zoom-options.png"/>
+ </imageobject>
+ </mediaobject>
+ </figure>
+
+ <variablelist>
+ <varlistentry>
+ <term><guilabel>Presets</guilabel>, <guilabel>Preview</guilabel>,
+ <guilabel>Split view</guilabel></term>
+ <listitem>
+ <para>
+ These options are common to GEGL-based filters. Please refer to
+ <xref linkend="gimp-filters-common"/>.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><guilabel>Center X</guilabel></term>
+ <term><guilabel>Center Y</guilabel></term>
+ <listitem>
+ <para>
+ Here, you can set the zoom center. Sliders and spin buttons control
+ the position of zoom center on horizontal and vertical axis. You
+ can also click on the rectangle button with an arrow on the right
+ and then click on the image to pick coordinates.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><guilabel>Blurring factor</guilabel></term>
+ <listitem>
+ <para>
+ Increasing factor will result in more blurring in a all directions
+ of zoom.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </sect3>
+</sect2>
\ No newline at end of file
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