1999-10-04 01:40:33 -07:00
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<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
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1999-12-16 11:44:02 -08:00
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<HTML>
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<HEAD>
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1999-10-04 01:40:33 -07:00
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<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
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1999-12-16 11:44:02 -08:00
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<TITLE>The Gradient Editor</TITLE>
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</HEAD>
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<BODY text="#000000" bgcolor="#FFFFFF" link="#0000FF" vlink="#FF0000" alink="#000088">
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<TABLE width="100%" cellspacing="1" cellpadding="1">
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<TR bgcolor="black">
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<TD width="100%" align="center"><FONT size="+2" color="white">The Gradient
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Editor</FONT></TD>
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</TR>
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<TR bgcolor="white" >
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<TD width="100%" align="left">
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<P>
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The Gradient Editor allows you to create or edit complex gradients that you
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can use with e.g the blend tool.
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<P>
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You'll find a list of all available gradients under Gradients, and the currently
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selected gradient can be seen in a preview window. The buttons to
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the right let you create, copy, delete, save and refresh gradients and save
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as POV-Ray format. You can also zoom the gradient with the zoom buttons present
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in the main dialog.
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<P>
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The triangles at the bottom of the gradient preview window are color section
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markings. Two kinds of marks exist: black endpoints and white midpoints.
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The area between two black points is called a segment. You select a segment
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by clicking on it. A selected segment turns a darker shade of gray. Most
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work that you do in the gradient editor will be about changing and editing
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those segments in one way or another.
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<P>
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° You can move an entire selection by clicking in the darker gray field
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and dragging.
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<P>
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° If you move a white midpoint and affect the color transition by dragging
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it.
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<P>
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° Dragging a black endpoint will stretch the area between that
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endpoint and the midpoint
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<P>
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° If you click on an endpoint, then press Shift and drag, you will compress
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or expand the entire selection.
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<P>
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° You can extend or add to a selection by pressing the Shift key and
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clicking on another segment.
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<P>
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Any of the described manipulations can be used on extended selections.
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<H4>
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The Popup Menu
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</H4>
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<P>
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If you press the right mouse button in the gradient preview window, a menu
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will appear for further editing of the selected segment.
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<P>
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You can edit the left or right color by invoking left or right endpoint color.
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The Load from and Save to menu options allow you to load a color from an
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RGBA channel to an endpoint,or to save a RGBA channel.
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<P>
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In the Blending function for segment submenu, you will find some functions
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that control how the appearance of the gradient in your selection.
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<P>
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The coloring type for segment submenu lets you choose a color model for your
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selection or segment. You can choose Plain RGB and two kinds of HSV.
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<P>
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The Segment commands will work on the selected segment. If you have selected
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more than one segment, they will not be treated as a unit.
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<P>
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° Split segment at midpoint: Puts an endpoint at the midpoint and then
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divides the two new segments.
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<P>
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° Split segment uniformly: Splits to a specified amount o f segments.
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<P>
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° Delete segment: Deletes the entire selection.
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<P>
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° Re-center segment's midpoint: Re-centers the midpoints
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<P>
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° Re-distribute handles in segment: Evenly distributes all the points
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in the segment.
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<P>
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The Selection operations submenu allows you to flip or replicate the segment
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and also allows you to blend the endpoints' colors and/or opacity:
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<P>
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Please see page XXXX in the Gimp User's Manual. The help text presented her
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is only a subset of what you are able to do in the Gradient Editor.
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<H3>
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Additional Information
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</H3>
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<P>
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For further information see The Gimp User's Manual page XXXX and the Gimp
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User's Tutorial page YYYY
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<P>
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Shortcut Key
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<P>
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Modifier
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<P>
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Drag and Drop
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<P>
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Xinput
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<P>
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----DEV----
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<P>
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<A href="index.html">Index</A>
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<P>
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(/dialogs/gradient_editor/gradient_editor.html)
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<P>
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Sorry but the help file for gradient_editor is not yet done.
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<P>
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/Karin & Olof
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<P>
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</TD>
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</TR>
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</TABLE>
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</BODY></HTML>
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