[gimp-help] Update Bump Map filter
- From: Julien Hardlin <jhardlin src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gimp-help] Update Bump Map filter
- Date: Thu, 7 Feb 2019 17:48:39 +0000 (UTC)
commit 30d02d17c100a762e671f3596fd9a86a107018f1
Author: Julien Hardelin <jhardlin orange fr>
Date: Thu Feb 7 18:48:03 2019 +0100
Update Bump Map filter
images/C/filters/examples/map/bumpmap-ex-1.png | Bin 0 -> 4935 bytes
images/C/filters/examples/map/bumpmap-ex-2.png | Bin 0 -> 7190 bytes
images/C/filters/map/bumpmap-dialog.png | Bin 0 -> 39333 bytes
images/C/filters/map/bumpmap.png | Bin 39182 -> 0 bytes
src/filters/map/bumpmap.xml | 129 ++++++++++++++++++-------
5 files changed, 96 insertions(+), 33 deletions(-)
---
diff --git a/images/C/filters/examples/map/bumpmap-ex-1.png b/images/C/filters/examples/map/bumpmap-ex-1.png
new file mode 100644
index 000000000..85282ab2e
Binary files /dev/null and b/images/C/filters/examples/map/bumpmap-ex-1.png differ
diff --git a/images/C/filters/examples/map/bumpmap-ex-2.png b/images/C/filters/examples/map/bumpmap-ex-2.png
new file mode 100644
index 000000000..7beafe4ed
Binary files /dev/null and b/images/C/filters/examples/map/bumpmap-ex-2.png differ
diff --git a/images/C/filters/map/bumpmap-dialog.png b/images/C/filters/map/bumpmap-dialog.png
new file mode 100644
index 000000000..543ddf702
Binary files /dev/null and b/images/C/filters/map/bumpmap-dialog.png differ
diff --git a/src/filters/map/bumpmap.xml b/src/filters/map/bumpmap.xml
index 67f9e4a88..4436517ea 100644
--- a/src/filters/map/bumpmap.xml
+++ b/src/filters/map/bumpmap.xml
@@ -2,17 +2,10 @@
<!DOCTYPE sect2 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
"http://www.docbook.org/xml/4.3/docbookx.dtd";>
<!-- section history:
- 2008-12-09 ude: moved "activate filter" paras to separate sect3
- 2007-12-05 j.h: some more explanation after a message on a forum, en;fr
- 2007-09-06 AntI: added 'es'
- 2007-05-21 updated Elevation
- 2007-05-06 KoSt: added 'no'
- 2006-12-12 lexa: added german translation
- 2005-12-07 replaced <simplesect> by <sect3> by lexa
- 2005-11-30 replaced informalfigure by axel.wernicke
- 2005-09-30 created by julien hardelin
+ 2019-01-28 j.h: update to v2.10
+ 2005-09-30 j.h create
-->
-<sect2 id="gimp-filter-bump-map">
+<sect2 xmlns:xi="http://www.w3.org/2001/XInclude"; id="gimp-filter-bump-map">
<title>Bump Map</title>
<indexterm>
@@ -73,33 +66,35 @@
<mediaobject>
<imageobject>
<imagedata format="PNG"
- fileref="images/filters/map/bumpmap.png"/>
+ fileref="images/filters/map/bumpmap-dialog.png"/>
</imageobject>
</mediaobject>
</figure>
<variablelist>
<varlistentry>
- <term>Preview</term>
+ <term>Presets, Preview, Split view</term>
<listitem>
- <para>
- If checked, parameter setting results are interactively displayed
- in preview. Scroll bars allow you to move around the image.
- </para>
+ <xi:include href="../about-common-features.xml"/>
</listitem>
</varlistentry>
<varlistentry>
- <term>Bump map</term>
+ <term>Aux. Input</term>
<listitem>
<para>
- This drop-down list allows you to select the image that will be
- used as a map for bump-mapping. This list contains images that are
- present on your screen when you launch the filter. Images opened
- after starting filter are not present in this list.
+ Clicking on this button opens a small file browser with two panels.
+ On the left panel, images present on your screen are listed: the
+ active image is selected. On the right panel, you see the layers list
+ of the active image: double click on the layer you want to use as a
+ map for bump-mapping; the file browser is closed and a layer
+ thumbnail appears in the Aux Input button.
+ </para>
+ <para>
+ The right panel has a <quote>Channel</quote> tab: TODO
</para>
</listitem>
</varlistentry>
<varlistentry>
- <term>Map type</term>
+ <term>Type</term>
<listitem>
<para>
This option allows you to define the method that will be used
@@ -115,18 +110,18 @@
</listitem>
</varlistentry>
<varlistentry>
- <term><guilabel>Sinusoidal</guilabel></term>
+ <term><guilabel>Spherical</guilabel></term>
<listitem>
<para>
- Bump height is a sinusoidal function of luminosity.
+ Bump height is a spherical function of luminosity.
</para>
</listitem>
</varlistentry>
<varlistentry>
- <term><guilabel>Spheric</guilabel></term>
+ <term><guilabel>Sinusoidal</guilabel></term>
<listitem>
<para>
- Bump height is a spheric function of luminosity.
+ Bump height is a sinusoidal function of luminosity.
</para>
</listitem>
</varlistentry>
@@ -134,7 +129,7 @@
</listitem>
</varlistentry>
<varlistentry>
- <term>Compensate for darkening</term>
+ <term>Compensate</term>
<listitem>
<para>
Bump-mapping tends to darken image. You can compensate this
@@ -143,7 +138,7 @@
</listitem>
</varlistentry>
<varlistentry>
- <term>Invert bumpmap</term>
+ <term>Invert</term>
<listitem>
<para>
Bright pixels default to bumps and dark pixels to hollows. You can
@@ -152,7 +147,7 @@
</listitem>
</varlistentry>
<varlistentry>
- <term>Tile bumpmap</term>
+ <term>Tiled</term>
<listitem>
<para>
If you check this option, there will be no relief break if
@@ -162,7 +157,7 @@
</listitem>
</varlistentry>
<varlistentry>
- <term>Azimut</term>
+ <term>Azimuth</term>
<listitem>
<para>
This is about lighting according to the points of the compass
@@ -190,8 +185,8 @@
</listitem>
</varlistentry>
<varlistentry>
- <term>X offset</term>
- <term>Y offset</term>
+ <term>Offset X</term>
+ <term>Offset Y</term>
<listitem>
<para>
With this slider, you can adjust the map image position
@@ -215,7 +210,7 @@
</listitem>
</varlistentry>
<varlistentry>
- <term>Ambient</term>
+ <term>Ambient lighting factor</term>
<listitem>
<para>
This slider controls the intensity of ambient light. With high
@@ -225,4 +220,72 @@
</varlistentry>
</variablelist>
</sect3>
+
+ <sect3>
+ <title>Using Bumpmap filter</title>
+ <para>
+ We shall emboss an image with a text.
+ </para>
+ <orderedlist>
+ <listitem>
+ <para>
+ Open your main image.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ Create the map: here a white text on black background.
+ <mediaobject>
+ <imageobject>
+ <imagedata format="PNG"
+ fileref="images/filters/examples/map/bumpmap-ex-1.png"/>
+ </imageobject>
+ <caption>
+ <para>
+ The image and the map
+ </para>
+ </caption>
+ </mediaobject>
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ <command>Edit/Copy the map</command>. Activate the image and
+ <command>Edit/Past as/New Layer</command>. Right click on the new layer
+ and apply <command>Layer to Image Size</command> to make the layer
+ the same size as the image.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ The map layer being active, apply a Gaussian Blur. Here, the default
+ 1.5 pixels is used.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ Make the map layer invisible and activate the image layer.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ Open the <quote>Bump Map</quote> filter. Click on the
+ <guibutton>Aux. Input</guibutton> button and double-click on the
+ text layer in the right panel.
+ <mediaobject>
+ <imageobject>
+ <imagedata format="PNG"
+ fileref="images/filters/examples/map/bumpmap-ex-2.png"/>
+ </imageobject>
+ <caption>
+ <para>
+ Bump Map filter applied. Depth = 3. Ambient lighting
+ factor = 0.326.
+ </para>
+ </caption>
+ </mediaobject>
+ </para>
+ </listitem>
+ </orderedlist>
+ </sect3>
</sect2>
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