mirror of https://github.com/GNOME/gimp.git
324 lines
5.4 KiB
HTML
324 lines
5.4 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>Environment Settings</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.49"><LINK
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REL="HOME"
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TITLE="GIMP User Manual"
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HREF="../../contents.html"><LINK
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REL="UP"
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TITLE="Dialogs"
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HREF="../../dialogs/index.html"><LINK
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REL="PREVIOUS"
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TITLE="Interface Settings"
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HREF="../../dialogs/preferences/interface.html"><LINK
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REL="NEXT"
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TITLE="Session Management"
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HREF="../../dialogs/preferences/session.html"></HEAD
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><BODY
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CLASS="SECT1"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>GIMP User Manual</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="../../dialogs/preferences/interface.html"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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>Chapter 12. Dialogs</TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="../../dialogs/preferences/session.html"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="DIALOGS-PREFERENCES-ENVIRONMENT"
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>Environment Settings</A
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></H1
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><A
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NAME="AEN3159"
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></A
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN3161"
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>Resource Consumption</A
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></H2
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><DIV
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CLASS="SECT3"
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><H3
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CLASS="SECT3"
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><A
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NAME="AEN3163"
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>Conservative Memory Usage</A
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></H3
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><P
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> The <SPAN
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CLASS="APPLICATION"
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>GIMP</SPAN
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> is optimized to speed
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i.e. speed is more important than memory usage. Enabling
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<SPAN
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CLASS="QUOTE"
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>"Conservative Memory Usage"</SPAN
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> will "optimize" GIMP
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to use less memory. The tradeoff is of course speed but if
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your system is low on memory then it can be an option to use
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<SPAN
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CLASS="QUOTE"
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>"Conservative Memory Usage"</SPAN
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>.
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</P
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></DIV
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><DIV
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CLASS="SECT3"
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><H3
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CLASS="SECT3"
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><A
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NAME="AEN3169"
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>Levels of Undo</A
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></H3
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><P
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> By default <SPAN
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CLASS="APPLICATION"
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>GIMP</SPAN
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> has five levels of
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undo. The amount of undo levels is only limited by disk
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space. A high amount of undo levels requires a large amount of
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disk space so use it with care. The default value is
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reasonably good for most use.
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</P
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></DIV
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><DIV
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CLASS="SECT3"
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><H3
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CLASS="SECT3"
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><A
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NAME="AEN3173"
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>Tile Cache Size</A
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></H3
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><P
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> This is the most important parameter that
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<SPAN
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CLASS="APPLICATION"
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>GIMP</SPAN
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> has, if you set it to low
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<SPAN
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CLASS="APPLICATION"
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>GIMP</SPAN
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> will be very slow. There isn't
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a upper level of how much memory that you can give
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<SPAN
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CLASS="APPLICATION"
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>GIMP</SPAN
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> i.e give
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<SPAN
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CLASS="APPLICATION"
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>GIMP</SPAN
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> as much as you can. But don't
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give <SPAN
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CLASS="APPLICATION"
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>GIMP</SPAN
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> more that your physical
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memory (i.e. pure memory without swap). In reality you have to
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measure how much memory you usually use and give
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<SPAN
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CLASS="APPLICATION"
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>GIMP</SPAN
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> a little less than the rest of
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it.
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</P
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></DIV
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN3182"
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>Scaling</A
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></H2
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><DIV
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CLASS="SECT3"
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><H3
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CLASS="SECT3"
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><A
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NAME="AEN3184"
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>Interpolation Type</A
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></H3
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><P
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> When you scale a image (make it bigger) you have to fill in
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missing pixels what color and value that those pixels should
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have is calculated in a interpolation
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algorithm. <SPAN
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CLASS="APPLICATION"
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>GIMP</SPAN
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> uses a Linear
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interpolation algorithm by default. Linear is a gives you a
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mid quality interpolation. Linear interpolation has less
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quality trade off for speed that Nearest Neighbour
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interpolation algorithm does. Nearest Neighbour is the fastest
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way to interpolate but it has the lowest quality of the
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interpolation algorithms. The Cubic interpolation algorithm
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produces the highest quality of the three interpolation types
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supported by <SPAN
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CLASS="APPLICATION"
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>GIMP</SPAN
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>. However it is
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considerably slower that the linear interpolation algorithm.
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</P
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></DIV
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN3189"
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>File Saving</A
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></H2
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><DIV
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CLASS="SECT3"
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><H3
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CLASS="SECT3"
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><A
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NAME="AEN3191"
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>Try to Write a Thumbnail File</A
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></H3
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><P
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> By default when you save a image a thumbnail file will be
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created storing a little image of your image. When you mark a
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image in the file open dialog you will see this thumbnail. If
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you set this option to Never you have to press on the
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thumbnail button in the <A
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HREF="../../dialogs/file_open.html"
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>File
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Open</A
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> Dialog to be able to see a thumbnail of your
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image.
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</P
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></DIV
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><DIV
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CLASS="SECT3"
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><H3
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CLASS="SECT3"
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><A
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NAME="AEN3195"
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>"File > Save" Saves the Image</A
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></H3
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><P
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> This is by default set to <SPAN
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CLASS="QUOTE"
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>"Always"</SPAN
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> but if you e.g.
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saves your image on a networked disk (<SPAN
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CLASS="ACRONYM"
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>NFS</SPAN
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>,
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<SPAN
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CLASS="ACRONYM"
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>SMB</SPAN
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> etc.) then
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saves some times are slow and saving always isn't that
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necessary. Instead you will only save when the file is really
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changed.
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</P
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></DIV
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></DIV
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
|
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
|
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ALIGN="left"
|
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VALIGN="top"
|
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><A
|
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HREF="../../dialogs/preferences/interface.html"
|
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>Prev</A
|
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></TD
|
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><TD
|
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WIDTH="34%"
|
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ALIGN="center"
|
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VALIGN="top"
|
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><A
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HREF="../../contents.html"
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>Home</A
|
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></TD
|
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><TD
|
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WIDTH="33%"
|
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ALIGN="right"
|
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VALIGN="top"
|
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><A
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HREF="../../dialogs/preferences/session.html"
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>Next</A
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></TD
|
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></TR
|
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><TR
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><TD
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WIDTH="33%"
|
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ALIGN="left"
|
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VALIGN="top"
|
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>Interface Settings</TD
|
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><TD
|
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WIDTH="34%"
|
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ALIGN="center"
|
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VALIGN="top"
|
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><A
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HREF="../../dialogs/index.html"
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>Up</A
|
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></TD
|
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><TD
|
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WIDTH="33%"
|
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ALIGN="right"
|
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VALIGN="top"
|
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>Session Management</TD
|
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></TR
|
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></TABLE
|
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></DIV
|
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></BODY
|
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></HTML
|
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> |