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Thread: How to use GIMP

  1. #1
    Join Date
    Feb 2010
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    136

    How to use GIMP

    Introduction

    Pictures are as it were, the focal point of GIMP. Describe what a picture is accurate, is not that easy. On one side are pictures of what a particular format such as JPEG or TIFF file is stored in a in. On the other hand, it is the content, with the GIMP image window can be processed in one. It may be several per image image window in GIMP to give. Pro Image Window may only be one image and processed are presented. Images are if you have GIMP open, from a number of elements. There are selections, layers, channels, masks and so on. If you get a picture in GIMP a painted sheet of paper thought of as, you are only a small fraction of the features of GIMP and can use to understand. Better yet, the comparison with a thick stack of transparencies. Some are colored, some transparent, and all the resulting superimposed image. These individual sheets or masks can be combined channels and levels to be. That sounds may be all terribly complicated, but it is one of the most important concepts in GIMP. Therefore, you had the more detailed description in section 1, "Construction of images in GIMP" highly recommended for reading. In GIMP it is quite possible, even many images at once open to have even more. Large images can require many megabytes of memory, but GIMP uses a sophisticated tile-based memory management to cope with vast amounts of data as well. Nevertheless, there are limits, of course, more memory and can certainly improve the system performance.


  2. #2
    Join Date
    Feb 2010
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    136

    Re: How to use GIMP

    GIMP User Interface

    The window layout of GIMP by default includes the following three windows:

    - Tool box / tool box: The toolbox contains a number of tools that are essential for image processing. It can additionally the current foreground and background colors include also the current drawing tool, pattern and the current gradient, also a symbol of the active image. These additional entries, you can use Edit → Preferences → tool box to enable.. For safety, but before you get a warning.

    - Tool options: In the tool window is the dialog for the tool settings, which features displays the currently active tool.

    - Picture Window: Each in GIMP loaded image will open in a separate window. Therefore, you can open almost any number of images simultaneously. Their number depends ultimately on the available system resources only. Before anything meaningful in GIMP can do, you must have an open image window at least. The image window displays the main menu of GIMP (File, Edit, selection ...). The top menu items are also available by right in the picture window.

    - The dock layers, channels, paths, here with an open level dialog. Note that dialogues be represented Docks by tab from within. The dialogue level is the level responsible for management. It is possible to operate without editing levels, but even moderately advanced users will not get by without a specific layer.

    - Brush Shapes / Patterns / Gradients: In the Layers dialog are the dialogues (tab) for the management of brush shapes, patterns and gradients.


    All user interface elements, such as dialogues and picture window, a window together in. In the GIMP community, there is widespread agreement that the approach is more suitable for multiple windows work with. Moreover, it is disadvantageous if the program for window management should provide additional functions. A task that an appropriate window manager can handle a lot better at, especially on operating systems where GIMP is running.

    The ToolBox

    The toolbar is the core of GIMP. It is the only window from which all other dialog windows in the application depend on. Here is a brief description of the areas of the tool box.

    - Tool icons: By clicking on one of these icons to activate the tool symbolized. GIMP provides a variety of tools in the categories "selection tool", "painting tool", "transform tool" and "Other" are available. For more information about the GIMP- Tools and how this can work.

    - Foreground: The color range of tool box shows the current foreground and background color, the dialogue used is different from. By clicking on one of the two buttons will open the color dialog. The arrow can change the colors each. To colors to the default values to reset the black and white, use the little "black and white" icon at lower left.

    - Brush / Pattern / History: A thumbnail images GIMP's currently selected brush, pattern and color gradient. The brush may be used drawing in the traditional sense for both, as well as for erasing and smudging. Paint not only use brush settings. Also patterns for example by the Bucket used to the selected pattern to fill space with. The course comes into play when you need many colors to the screen to fill a given. Clicking on any of these images to reach the current screen, either new brush, flow or a new pattern to select one.

    - Active Image: If you're in GIMP work with many images, there is always exactly one on which you can perform operations. active or recent picture shows you the GIMP in this area as a thumbnail. Click on this thumbnail image opens GIMP a dialog that displays all your currently open images.


  3. #3
    Join Date
    Feb 2010
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    136

    Re: How to use GIMP

    The picture window

    Even if no image is open, there is always a picture window. The title bar of a picture window picture is not "GNU Image Manipulating Program". A picture window with an image shows the title bar image names and properties, as in the settings is fixed. Each image window contains exactly one picture (or none if no image is open). Each image is in one or (more rarely) more than one picture displayed in windows. The following sections describe the main elements of the picture window, which defaults in the visible. Some of these elements can use commands in the menu view will be hidden.

    - Caption: The top of the window is the title line, which will be displayed in a variety of information. As this area of the window, not from THE GIMP but the operating system or desktop of your computer system is maintained, even, can the appearance of that shown here are different. The displayed information will remain the same.

    - Picture menu: Just below the title bar contains the menu bar of the image window. This menu allows you to access almost all the operations and tools, which in GIMP provides for. The picture menu is also on the image to achieve.

    - Menu button: Click the menu button you get the picture menu. To this call via keyboard, you can Shift+F10 to use.

    - Ruler: In the usual arrangement of the image window rulers appear at the top and left edge. You can control what type of coordinates of the image. In the default setting is the unit of measurement for the rulers "pixels" used. This can, however, simply the unit menu at the bottom of the image change over.

    - One of the most important features of the rulers is that you can from them, the guides 'out' can. Give it a try: Click on a ruler and drag while holding down the mouse button, a help line in the picture. Very simple - very helpful!

    - Button: With this button you can activate and deactivate. The mask itself is an alternative view, in order to edit selections. Detailed information about this very useful tool.


    - Pointer coordinates: The coordinates of the pointer (for example, the mouse pointer) in the current picture can be displayed in this area. The units of the coordinates (x, y coordinates of the image) in the adjacent button can be changed with the.

    - Units menu: The default unit in GIMP is pixels. This unit is for the rulers and many other things in GIMP uses. By clicking on the button to the unit of cm, inches, or other change to.

    - Magnifier button: you can zoom level by clicking on this button any change.

    - Status bar: The status bar is located below the picture window. By default, it displays the current level, will be drawn on, and the size of the current memory used by the image. About Edit → Settings → Image Window → Title and status you can display to your liking time-intensive operations, the changes the status bar to a progress bar.

    - Cancel Button: With the button "Cancel" can be time-consuming operations are aborted.

    - Navigation Button: This button displays small thumbnail of the current image, a one, if you click on them (and hold the mouse button down), can be navigated in the. So you can date any part of the image move. For very large images can include the Navigation dialog can be helpful.

    - Inactive Picture Frame: The inactive image frame borders really active from the inactive image frame from that. The frame itself can be changed its color only, but is in operations or tools, the image will be applied to the not affected. If levels are greater than the actual image, you can see the layer in the inactive image frame.

    - Picture Gallery: The most important part of the picture window is the display of the image. Around the image is a yellow and black dashed line, which marks the boundaries of a level.

    - Button to enlarge the image window: If you have activated this button will increase or decrease in the picture window display of the image also increases the in or out.

  4. #4
    Join Date
    Feb 2010
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    136

    Re: How to use GIMP

    Docks and dialogue

    GIMP has a lot of flexibility in the arrangement of dialog windows. each dialog in its own window, instead, you can group dialogues. That provides you with GIMP container window so-called Docks - available, can be placed in which dialogues. There are a few exceptions, however: the dialog box that certain actions are right, such as the dialog window to create a new image, or the GIMP settings dialog can not be a dock placed in.

    GIMP is equipped with two docks by default:
    - the dock for layers, channels and paths
    - the dock for brushes, patterns and gradients.

    These docks, each window its own tab. The tool box is from the perspective of the window manager is also a tool window (utility window). The window with the tool settings is usually docked below the Toolbox and display settings of the selected tool on the. A list of all dockable window, click the menu of the image window: Window → Dockable. If you click on one of these entries, dialogue is the chosen window as an independent.


    Docking bars
    Each dock has a docking bars. In this example image were colored white to be more visible. In general, these bars are rather insignificant, and most users take this not true until they are pointed out. This is a pity because the ability to dock together in dialogue, is very powerful and allows you to GIMP compile the work surface so that you can work optimally.


    Sensitive area

    Each dockable dialog has a sensitive area, where you are attacking him and in a dock into it or can pull out from a dock (in the picture below highlighted white). You will notice when driving over the area that the cursor changes into a hand. To dock the dialog, click on this area, hold the mouse button and drag the dialogue at a docking bars of another Docks:
    - either one of the two docking bars of a window: the dialogue is then appended below this window,
    - or on the Dock: the dialogue will be added as a new tab.
    Just as you can go out dialogues and from a dock and get a new dock, which exactly is this dialogue.


    As you can see in the above example image, it is quite possible more than one dialog in a dock store. The individual dialogues will be represented by riders. By clicking on such a tab, you get the accompanying dialogue forward, and he is visible. The riders themselves are also available to the sensitive area of a dialog, you can simply pull the tab dialogs and drop elsewhere on a horse again. This allows you to easily bring the riders in the order you want.

  5. #5
    tan123 Guest

    Re: How to use GIMP

    I have one method that is somewhat easier than the GIMP tutorial referenced above. This is written as pertains to Photoshop, but the same procedure should work in GIMP with possibly some slight changes in tool names.

    First open your photo in your editing program..

    Then go to Layer - Duplicate Layer

    Click OK

    Then go to Image - Adjustments - Hue / Saturation

    Drag the Saturation slider all the way to the left to make the photo black and white.

    Click OK

    Then get the ERASER tool from the tool box on the left side of the screen. It is usually the next tool under the clone stamp tool. Just hover your mouse over the tool, and it will say Eraser.

    When you have selected the Eraser, go up to the Brush options box at the top of the screen, and click on the downfacing arrow. Set the Hardness of the brush to 100% so you will have accurate control of selection. You may also need to raise or lower the brush size to suit.

    Erase away any black and white from where you want the color to be revealed.

    When done go to
    Layer - Flatten Image

    Then just do a Save As to wherever you want to save the photo.

    Thanks !!!!

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