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230 lines
7.8 KiB
230 lines
7.8 KiB
<chapter id="settings">
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<title>Settings</title>
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<para>This chapter describes the various settings that affect the way &chalk;
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functions and looks.</para>
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<sect1 id="settings-preferences">
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<title>The <guilabel>Preferences</guilabel> dialog</title>
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<para>
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A number of options to configure &chalk; are available via the
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<guilabel>Preferences</guilabel> dialog, which is available via
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<menuchoice><guimenu>Settings</guimenu><guimenuitem>Configure
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&chalk;...</guimenuitem></menuchoice>. The dialog is divided into several
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sections, which you can open via the sidebar at the left, shown below.
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</para>
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<para>
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<screenshot>
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<screeninfo>The available <guilabel>Preferences</guilabel> sections</screeninfo>
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<mediaobject>
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<imageobject>
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<imagedata fileref="preferences-sidebar.png" format="PNG" />
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</imageobject>
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<textobject>
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<phrase>The available <guilabel>Preferences</guilabel> sections</phrase>
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</textobject>
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<caption><para>The available <guilabel>Preferences</guilabel> sections</para></caption>
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</mediaobject>
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</screenshot>
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</para>
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<sect2 id="settings-preferences-general">
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<title>The <guilabel>General</guilabel> section</title>
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<para>
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<screenshot>
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<screeninfo>The <guilabel>General</guilabel> section</screeninfo>
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<mediaobject>
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<imageobject>
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<imagedata fileref="preferences-general.png" format="PNG" />
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</imageobject>
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<textobject>
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<phrase>The <guilabel>General</guilabel> section</phrase>
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</textobject>
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<caption><para>The <guilabel>General</guilabel> section</para></caption>
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</mediaobject>
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</screenshot>
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</para>
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<para>
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This section offers three options. First of all, the setting in the
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<guilabel>Cursor shape:</guilabel> dropdown box determines what the drawing
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cursor looks like. You can choose between a cursor resembling the actual tool
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you are working with, a normal cursor, a crosshair, and a brush-shaped cursor.
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Then you can select the <guilabel>Palette Behavior</guilabel>. You can set
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here when palettes may be <quote>docked</quote> (set aside at a window
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border): always (<guilabel>Allow docking</guilabel>), never
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(<guilabel>Allow only floating</guilabel>), or when there is enough space
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(<guilabel>Allow docking only on large screens</guilabel>). The last option is
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<guilabel>Palette font size:</guilabel> which determines the text size used in
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the palettes. Set this to a larger value if you have trouble reading the text,
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with the side effect that the palettes will take more space.
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</para>
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</sect2>
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<sect2 id="settings-preferences-display">
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<title>The <guilabel>Display</guilabel> section</title>
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<para>
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<screenshot>
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<screeninfo>The <guilabel>Display</guilabel> section</screeninfo>
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<mediaobject>
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<imageobject>
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<imagedata fileref="preferences-display.png" format="PNG" />
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</imageobject>
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<textobject>
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<phrase>The <guilabel>Display</guilabel> section</phrase>
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</textobject>
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<caption><para>The <guilabel>Display</guilabel> section</para></caption>
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</mediaobject>
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</screenshot>
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</para>
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<para>
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This section contains just one option. If your graphics card and driver have
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OpenGL support, you can enable it here to make drawing faster (the
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processor of yor graphics card will take over part of the calculations). Be
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warned, though: there are a few cases where enabling OpenGL is known to
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introduce erratic behavior.
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</para>
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</sect2>
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<sect2 id="settings-preferences-colormanagement">
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<title>The <guilabel>Color Management</guilabel> section</title>
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<para>
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<screenshot>
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<screeninfo>The <guilabel>Color Management</guilabel> section</screeninfo>
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<mediaobject>
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<imageobject>
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<imagedata fileref="preferences-color.png" format="PNG" />
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</imageobject>
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<textobject>
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<phrase>The <guilabel>Color Management</guilabel> section</phrase>
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</textobject>
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<caption><para>The <guilabel>Color Management</guilabel> section</para></caption>
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</mediaobject>
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</screenshot>
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</para>
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<para>
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Here you can set various options related to colorspaces in rendering, editing
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and printing of images. The topmost option can be used to set the default
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color model for creating new images (useful if you usually want to create CMYK
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images, for instance). Use the <guilabel>Display</guilabel> options to let
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&chalk; know what color profile your monitor uses, and how rendering should be
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done. Under <guilabel>Printing</guilabel>, you can set the color model and
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profile for your printer. The next option determines what &chalk; should do
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when you paste an image into it that was copied from another application. If
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<guilabel>Use Blackpoint compensation</guilabel> is checked, whenever a
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colorspace conversion is needed, the black points of the source and
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destination colorspaces are matched.
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</para>
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</sect2>
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<sect2 id="settings-preferences-performance">
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<title>The <guilabel>Performance</guilabel> section</title>
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<para>
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<screenshot>
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<screeninfo>The <guilabel>Performance</guilabel> section</screeninfo>
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<mediaobject>
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<imageobject>
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<imagedata fileref="preferences-performance.png" format="PNG" />
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</imageobject>
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<textobject>
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<phrase>The <guilabel>Performance</guilabel> section</phrase>
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</textobject>
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<caption><para>The <guilabel>Performance</guilabel> section</para></caption>
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</mediaobject>
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</screenshot>
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</para>
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<para>
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Two options are available here. The <guilabel>Maximum number of tiles kept in
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memory</guilabel> setting indicates how many tiles (image subparts) &chalk;
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will keep in memory. The default setting should be reasonable, if you are low
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or very high on memory, you may want to decrease or increase this option,
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respectively. The <guilabel>Swappiness:</guilabel> option determines how eager
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&chalk; will be to swap to disk.
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</para>
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</sect2>
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<sect2 id="settings-preferences-tablet">
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<title>The <guilabel>Tablet</guilabel> section</title>
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<para>
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<screenshot>
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<screeninfo>The <guilabel>Tablet</guilabel> section</screeninfo>
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<mediaobject>
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<imageobject>
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<imagedata fileref="preferences-tablet.png" format="PNG" />
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</imageobject>
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<textobject>
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<phrase>The <guilabel>Tablet</guilabel> section</phrase>
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</textobject>
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<caption><para>The <guilabel>Tablet</guilabel> section</para></caption>
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</mediaobject>
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</screenshot>
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</para>
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<para>
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If you have a tablet device attached, you can enable it and set its pressure
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sensitivity in this section.
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</para><para>
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You need to activate the tablet devices you want to use with &chalk;. There
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are three supported devices: the cursor, the eraser and the stylus. You can
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activate them using the tablet sections. Only use the configuration options of
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a device if you use a non-Wacom tablet, and if the behavior of the tablet is
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unexpected, like moving when you press on the tablet for instance. In this
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situation, you can use the dialog to make sure you have a correct interaction:
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values (position, pressure, tilt...) are sent from the tablet to the computer
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in a given order, it might happen that some tablets do not use the default
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order. You can set this in the configuration options of a device.
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</para>
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</sect2>
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<sect2 id="settings-preferences-grid">
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<title>The <guilabel>Grid</guilabel> section</title>
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<para>
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<screenshot>
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<screeninfo>The <guilabel>Grid</guilabel> section</screeninfo>
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<mediaobject>
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<imageobject>
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<imagedata fileref="preferences-grid.png" format="PNG" />
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</imageobject>
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<textobject>
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<phrase>The <guilabel>Grid</guilabel> section</phrase>
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</textobject>
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<caption><para>The <guilabel>Grid</guilabel> section</para></caption>
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</mediaobject>
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</screenshot>
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</para>
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<para>
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In this section, you can fine-tune &chalk;'s grid. The line styles for the
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grid can be set in the <guilabel>Styles</guilabel> option set.
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<guilabel>Colors</guilabel> allows you to choose the line colors for the grid.
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The horizontal and vertical spacing between the main lines can be set under
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<guilabel>Spacing</guilabel>, as well as the amount of subdivisions (in how
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many smaller parts a grid section is subdivided). Furthermore you can set the
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<guilabel>Offset</guilabel>: usually the grid is painted starting at the top
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left corner, if you want the first main grid lines not to start there, you can
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enter an offset (displacement) here.
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</para>
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</sect2>
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</sect1>
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</chapter>
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