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`Transform Tools
`In this chapter, we'll take a look at the different transform tools, including the Move
`tool and the Crop tool.
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`The Move Tool
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`The Move tool can move the entire image or layer, guides, floating selections or
`empty selection shapes. Please read Layers And Floating Selections for information
`about layers.
`Moving Without Using The Move Tool
`In "Selection Tools" starting on page 109 we discussed the fact that Gimp displays a
`move symbol when you move your cursor over a selection, although a selection tool
`(and not the Move tool) is active.
`If you move your selection using this move symbol, the selection will become a
`floating selection. You can only move it once, because the move symbol will
`disappear as soon as you let go of the mouse button. To move your selection a second
`time, you must switch to the Move tool.
`You can also ignore the selection tool's move symbol and go straight to the right-
`click|Select|Float command. This procedure will make your selection float
`without moving it from its current position. Should you decide to move it, you can use
`the Move tool in the normal way.
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`https://web.archive.org/web/20010305194112/http://manual.gimp.org/manual/GUM/transforms.html
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`The Move Tool
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`Moving Floating Selections
`When you use the Move tool on a floating selection, you'll notice that the
`double-arrow symbol becomes a single arrow when the pointer is outside of the
`selection. If you click your mouse when the single arrow is visible, the floating
`selection will anchor to (merge with) the layer that was last active.
`Moving The Entire Image Or A Single Layer
`If you don't have a selection, the Move tool will move the entire image outside the
`drawable area. If your image has more than one layer, the Move tool will move the
`active layer.
`Moving Transparent Layers
`The Move tool can't move an empty, transparent layer. If you try to do that, the Move
`tool will move the top layer in the layer stack instead! This happens because the Move
`tool needs something solid to grab onto. Of course, you could paint a dot of color in
`the empty layer, turn off all the other layers (see "Layers And Floating Selections"
`starting on page 315) and then move the layer (by grabbing the layer by the dot), but
`this isn't a very convenient technique.
`The solution to this problem is to press the Shift key as you drag. When you see the
`yellow layer boundary turn blue, you'll know for sure that you're moving the right
`layer.
`Moving Grouped Layers
`Also notice that if you have grouped one or more layers (with the little anchor
`symbol), they'll all move, regardless of which layer is currently active. For example, if
`you have grouped a text layer with a drop shadow layer, you'll have to ungroup them
`or merge them before moving another layer, otherwise you'll move all three layers.
`See "Layers And Floating Selections" starting on page 315 for more information on
`working with layers.
`Moving Empty Selections
`If you just want to adjust the position of a selection area, press the Alt key as you
`move the selection. With this technique, only the empty form of the selection moves,
`and not the contents.
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`Note that this option only works for the normal (empty) selections you make with a
`selection tool. You can never move a floating selection using the Alt key.
`This option allows you to use the selection as a template: You can move the selection
`around and fill it every time you move it. Note that the Move tool or a selection tool
`must be active for this technique to work.
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`https://web.archive.org/web/20010305194112/http://manual.gimp.org/manual/GUM/transforms.html
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`The Move Tool
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`Hints
`The Move tool has an extra feature that allows you to nudge (move in small, precise
`increments) a floating selection or a layer with the keyboard's arrow keys when the
`Move tool is active. Pressing the Shift key as you press the arrow keys will increase
`the length of these steps. To nudge an empty selection, press the Alt key and the arrow
`keys.
`Note that when you make multiple selects, Gimp treats them as a unit. That means
`that you can't move one selection closer to another with the Move tool, because all of
`the selected areas will move together as one.
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`The Crop tool corresponds to the "scissors" in Photoshop. You can crop an image if
`you just want a part of the picture. To crop, click and drag the marquee diagonally.
`Release the mouse button when you are satisfied and the Crop Information dialog
`box will appear. See the next section for more information on the dialog box.
`The cropmarks can be placed very accurately. You can move the crop square by
`dragging on the lower-left or upper-right corners, or resize it by dragging on the
`upper-left or lower-right corners.
`You can also move (nudge) the crop area using the arrow keys on your keyboard.
`Alternatively, you can set guides (make sure that the Snap To Guides checkbox is
`checked in the right-click|View menu) to position the crop area.
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`Press the Crop button in the toolbox, or click inside the markings, and the portion of
`the image inside the cropmarks will be your new image.
`The Crop Information Dialog
`This dialog displays the crop area's X and Y Origins and Width and Height in pixels.
`If you have created a selection in your image, you can click on the Selection button in
`the dialog box. This will automatically place the crop area as close as possible to your
`selection.
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`The Crop Tool
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`https://web.archive.org/web/20010305194112/http://manual.gimp.org/manual/GUM/transforms.html
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`Legend3D, Inc. Ex. 2013-0003
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`The Move Tool
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`The Transform Tool
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`The Transform tool is much like the "Effects" menu in Photoshop.
`Double-click on the Transform tool to see the Transform Tool Options dialog box,
`where you can choose whether you want to rotate, scale, shear or distort a selection.
`Rotate
`When you're transforming using Rotation, you drag the mouse to rotate the selection.
`Note that parts of the image will end up outside the drawable area, so you may have to
`resize the image afterward.
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`As you use the mouse to rotate the image, the rotation angle will be displayed in a
`small dialog box. You can't insert numbers into the dialog; it just displays how much
`you've rotated the image (this is not a very precise tool). However, you can press the
`Ctrl key and drag on the image with your mouse, which makes the selection rotate in
`15 degree increments.
`If you want to rotate a layer or image 90 or 270 degrees (for example, if you scanned
`an image in portrait mode and you want landscape) the right-
`click|Image|Transforms|Rotate option is a better choice.
`If you need to specify the exact rotation angle, use the right-
`click|Layers|Transforms|Rotate Any Angle option. Note that you can't get exact
`values by just dragging the slide bar in the Rotate Any Angle dialog. Click the mouse
`button to the left or right of the slider to change the angle in one degree increments for
`every click.
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`Scale
`Choose Scaling from the Transform Tool Options dialog and then click on the image
`to see the Scaling Information dialog. The Scaling Information dialog provides you
`with information on both the Original Height and Original Width of the selection,
`as well as the Current Width and Current Height.
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`https://web.archive.org/web/20010305194112/http://manual.gimp.org/manual/GUM/transforms.html
`
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`The Move Tool
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`Drag on the image with your mouse to scale the image. The X Scale Ratio and Y
`Scale Ratio tell you how much you've altered the size and proportions of the original
`image.
`The Ctrl key locks the scale's X axis, so you can only affect the height of the image.
`Shift locks the Y axis, so you can only affect the width of the image. Ctrl+Shift forces
`the image to scale proportionally.
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`Shearing
`Shearing will deform an image in either the horizontal or the vertical plane. In
`other words, it will turn a rectangle into a parallelogram.
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`Click on the Shearing option in the Transform Tool Options dialog, then click on
`your image to see the Shear Information dialog. Shear your image by clicking and
`dragging on the corners. Dragging up and down shears in the Y direction, and
`dragging on the sides shears in the X direction. You can shear along either of the X or
`Y axes, but only on one at a time. In other words, if the X Shear Magnitude is other
`than zero, then the Y Shear Magnitude must be zero.
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`Tip: If you want to shear a selection both ways, you have to change to another tool
`icon, and then return to Transform.
`Perspective
`The last option on the Transform Tool Options dialog is Perspective. The term
`perspective isn't quite accurate, because no actual perspective transformation takes
`place (making the image small in the far end and large in the other).
`It is better described as a distortive effect, since you can move all four displacement
`points (the corners) independently. You can certainly make a rectangular selection
`look like a perspective, but you have to do that manually.
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`https://web.archive.org/web/20010305194112/http://manual.gimp.org/manual/GUM/transforms.html
`
`Legend3D, Inc. Ex. 2013-0005
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`The Move Tool
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`Observe that you can turn the "perspective" inside out if you like. If you let the lines
`of the perspective square cross or top each other, you'll mirror and wrench the
`selection so much it will eventually become unrecognizable.
`Transform Smoothing
`On the Transform Tool Options dialog, the Smoothing checkbox provides an
`antialiasing option, which will make distorted edges look better. If you don't use
`Smoothing, your selection might turn out very rough and pixly on the edges. On the
`other hand, the Smoothing option can make edges very blurry, so you should take that
`into consideration as well.
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`The Flip Tool
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`The Magnify Tool
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`Frozenriver Digital Design
`http://www.frozenriver.nu
`Voice: +46 (0)31 474356
`Fax: +46 (0)31 493833
`support@frozenriver.com
`
`On the toolbox, the Flip tool does exactly that -- it flips the image, or more accurately
`-- the Flip tool mirrors the selection horizontally or vertically. If you are working
`with an image where you want the illusion of reflection (whether in water, glass or
`metal), this is the tool to use.
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`Please turn to Zoom.
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`Publisher Coriolis
`http://www.coriolis.com
`
`https://web.archive.org/web/20010305194112/http://manual.gimp.org/manual/GUM/transforms.html
`
`Legend3D, Inc. Ex. 2013-0006
`PRIME FOCUS V. LEGEND3D
`IPR2016-01243