### 7.8. Pointer Dialog

شكل 15.113. Pointer dialog

This dialog offers you, in a same window, in real time, the position of the mouse pointer, and the channel values of the pointed pixel, in the chosen color model.

#### 7.8.1. Activating the Dialog

This dialog is a dockable dialog; see the section قسمت 2.3, “Dialogs and Docking” for help on manipulating it.

شما می توانید به آن دسترسی داشته باشید:

- from the main menu: Windows → Dockable Dialogs → Pointer.

- from the Tab menu in any dockable dialog by clicking the tab menu button and selecting Add Tab → Pointer.

#### 7.8.2. “Pointer” dialog options

نقاط

  Shows the position of the pointed pixel, in X (horizontal) and Y (vertical) coordinates, stated in pixels from the origin (the upper left corner of the canvas).

واحدها

  Shows the distance from the origin, in inches.

Pointer Bounding Box

  This information is active when a selection exists. X and Y are the coordinates of the upper left corner of the rectangular frame that bounds rectangular and ellipse selections. H and W are the height and width of this box.

  This information also exits for the other selections, but they are of less interest and the bounding box is not visible.

  This information concerning the selection remains unchanged when you use another tool, while pointer coordinates vary.

Channel values

  The channel values for the selected color model are shown below. Both pulldown menus contain the same choices, which makes it easier for you to compare the color values of a particular pixel using different color models. “Hex” is the HTML Notation of the pixel color, in hexadecimal. The choices on the pulldown menus are (Pixel is the default):

  پیکسل

    The RGB channel values. This choice displays the Red, Green, Blue and Alpha values of the pixel, as numbers between 0 and 255.

  RGB

    The RGB channel values. This choice displays the Red, Green, Blue and Alpha values of the pixel, as percentages. It also shows the hexadecimal value of the pixel's color.

  اچ‌اس‌وی

    The HSV components. This choice displays the Hue, in degrees, as well as the Saturation, Value and Alpha of the pixel, as percentages.

  سی‌ام‌وای‌کی

    The CMYK channel values. This choice displays the Cyan, Magenta, Yellow, Black and Alpha values of the pixel, as percentages.

Sample Merged

  If you enable this option, sampling is not calculated only from the values of the active layer, but from all visible layers.

  For more information, see the Glossary entry.

7.7. Sample Points Dialog |  | 7.9. Symmetry Painting Dialog

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