Use the alignment tools to move and precisely position objects (layers). Rulers are shown along the edges of the Image Window. Guidelines (as well as the Grid) are nonprinting supporting horizontal and vertical lines which are displayed over the image (they will not appear on the final result).
To create a horizontal/vertical guideline, place a cursor over a corresponding ruler, and holding the left mouse button, drag a blue line which appears under the cursor. You can move the guidelines with the Move tool (the cursor will turn into ).
To remove the guideline, drag it outside of the Image Window.
Click on the button in the top panel to open the alignment tools menu:
Marks on the rulers indicate the position of the cursor.
To change the origin (zero), place the cursor over the intersection of the rulers in the upper left corner of the Image Window and drag diagonally to the desired point in the image. To restore the default origin, double-click this corner.
There are three groups of the preferences:
Color for each element of the rulers can be changed by clicking on the corresponding color square:
- Cursor Marker.
Units of measurement can be changed here, in the drop-down list, or with a right mouse click on a ruler.
Color of the guidelines can be selected by clicking on the color square.
Style defines a display option for the guidelines (Lines, Dashed Lines, Dots).
The grid consists of the main lines and the additional lines (subdivisions).
Color of the grid lines can be changed by clicking on the color square.
Step adjusts the grid spacing between the major lines. You can change units for this option.
Subdivisions - this option defines the spacing for the minor lines.
You can adjust a view mode for the grid lines (Lines, Dashed Lines, Dots).
There are two drop-down lists for each type of the lines: Style 1 is used for the main lines, Style 2 - for the subdivision lines.