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Indicator Panel

Buttons to set various drawing parameters (called indicator buttons), such as line width or color, are placed on the indicator panel. Buttons to set global parameters such as the zoom scale or grid mode are also placed on the indicator panel. Current settings are displayed in each indicator button.

Settings in the indicator panel are applied when creating new objects. It is also possible to modify attributes of existing objects using UPDATE or EDIT.

These are the indicator buttons:

NUMBER OF POLYGON SIDES

Normally, only the indicator buttons which are significant to the selected mode are placed on the indicator panel. When it is not possible to display all the indicator buttons at once, a scrollbar will be added to the indicator panel.

These setting may be changed by clicking those indicator buttons. Each mouse button has the following function:

Mouse button 1 (`Menu'): Clicking an indicator button with mouse button 1 will popup a panel to change setting of the indicator button, and the user may select a new value by clicking any button on the panel (in the case of grid mode or text font, etc.) or entering a new value from the keyboard (in the case of zoom scale or line width, etc.)
Mouse button 2 (`Dec/Prev'): If the indicator button contains a numeric value (zoom scale or line width, for example), clicking the indicator button with mouse button 2 will decrease the value. If the indicator button is of another type (grid mode or text font, for example), the selection will be chosen from the next item in the list. The list is considered circular.
Mouse button 3 (`Inc/Next'): This mouse button is the reverse of mouse button 2. If the indicator button contains a numeric value, clicking the indicator button with mouse button 3 will increase the value. If the indicator button is of another type, the selection will chosen from the previous item in the list. The list is considered circular.

In UPDATE mode, a small toggle button appears in the upper-right corner of each indicator button. This controls whether the particular attribute should be applied when using the UPDATE mode. Also, an Update Control Button will be placed at the left of the indicator panel.

(ZOOM SCALE)

Set the zoom scale of display on the canvas. The zoom scale may be set in the range of 0.01 to 50. On many systems, the display on the screen will be almost actual-size when this is set to 1.

Clicking this button with mouse button 1 will popup a panel to enter new value of zoom scale from keyboard. Clicking this button with mouse button 2 or mouse button 3 will decrease or increase the zoom scale by 1 respectively (by 0.1 if zoom scale is less than 1.0 and 0.01 if the zoom is less than 0.1).

Zooming of the canvas may also be performed by specifying the rectangle to be zoomed on the canvas (`area zoom'). To do this, specify the rectangle to be zoomed by clicking mouse button 1 (`zoom area') while pressing CONTROL key and specify one corner of the rectangle, and then clicking mouse button 1 (`final point') again at the opposite corner of the rectangle. It is also possible to set zoom scale to 1 by clicking mouse button 3 (`unzoom') while pressing CONTROL key on the canvas.

To force the area-zoom to zoom using integer values check the box in the zoom popup panel that says `Integer area zoom'. zoom panel

(GRID MODE)

Set the size of the grid displayed on the canvas. If this is set to None, no grid will be displayed.

The size of the grid may be selected from 1/8inch, 1/4inch, 1/2inch and 1inch if unit is set to Imperial (inches), and from 2mm, 5mm, 10mm and 20mm if unit is set to Metric.

This grid will not restrict positioning of objects. If you want to set a restriction of positioning of objects, use POINT POSITION.

(POINT POSITION)

Set the size of virtual grid (it is not visible) to control the restriction of positioning of objects. If this is not set to Any, objects may only be placed on the virtual grid of the selected size. If this is set to Any, objects can be placed anywhere.

The size of the virtual grid may be selected from 1/16inch, 1/8inch, 1/4inch, 1/2inch and 1inch if unit is set to Imperial (inches), and from 1mm, 2mm, 5mm, 10mm and 20mm if unit is set to Metric.

This will also restrict which objects may be `picked up' when editing. If an object is not on the virtual grid specified here, the object can't picked up.

This virtual grid will not displayed on the canvas. The visible grid can be set by GRID MODE.

(ROTATION ANGLE)

Set the angle for rotating objects with ROTATE. Clicking this button with mouse button 2 or mouse button 3 will decrease or increase the angle by 15 degrees respectively. Clicking this button with mouse button 1 will popup a panel to enter the angle.

The angle of TEXT or ELLIPSE objets may also set by TEXT / ELLIPSE ANGLE.

Note that some objects may only rotated by 90 degrees (e.g. BOX)

(TEXT / ELLIPSE ANGLE)

Set the angle of TEXT or ELLIPSE objects. Positive values indicate counter-clockwise rotation, and negative values indicate clockwise rotation.

Clicking this button with mouse button 2 or mouse button 3 will decrease or increase angle by 15 degrees respectively. Clicking this button with mouse button 1 will popup a panel to enter the angle.

To rotate exisiting objects, use ROTATE. See also ROTATION ANGLE.

(DEPTH)

Set the `depth' of objects.

The Depth is used to decide which object should be hidden when objects overlap. The object with larger depth will be hidden by object with smaller depth. Depth is an integer value of the range 0 to 999.

If objects with the same depth overlap, it is unknown which object will be hidden, and the display on the screen may be different from a printout or export.

(NUMBER OF POLYGON SIDES)

Set the number of sides used in creating a regular polygon with REGULAR POLYGON.

(NUMBER OF COPIES)

Set the number of copies to be made with COPY & ROTATE (see ROTATE).

The number of copies to be made with ARRAY PLACEMENT should be set with NUMBER OF X COPIES and NUMBER OF Y COPIES.

(NUMBER OF X COPIES / NUMBER OF Y COPIES)

Set the number of copies to be made in the X and Y direction when copying objects with ARRAY PLACEMENT (see COPY).

The number of copies to be made with COPY & ROTATE should be set with NUMBER OF COPIES.

(SMART-LINKS MODE)

This button controls the smart-link mode. If the smart-link mode is enabled, lines with an end point on the perimeter of objects such as a BOX or inside a COMPOUND object (henceforth called links) will be treated specially when those objects are moved or copied.

OFF: Disable the smart-link mode. When moving or copying an object, only the object will moved or copied.
MOVE: When moving an object, the end point of the link will be moved with the object so that the link will remain linked. When copying an object, the link is also copied.
SLIDE: When moving an object, the end segment of the link (the segment which touches the object) will slide so that the angle of the segment is maintained. When copying an object, the link is also copied.

Lines which touch objects such as circles or ellipses are not treated as links. If you want to use smart-link facility for such lines, make the object into a COMPOUND object.

(VERTICAL ALIGN)

Set the vertical alignment mode for ALIGN.

Do not align vertically.
Align to top of objects.
Align center of objects.
Align to bottom of objects.
Vertically distribute objects so that the distance between center of each object is equal.
Vertically distribute objects so that the distance between the edge of each object is equal.
Vertically distribute objects so that the edge of each object touch.

(HORIZONTAL ALIGN)

Set the horizontal alignment mode for ALIGN

Do not align horizontally.
Align to left of objects.
Align center of objects.
Align to right of objects.
Horizontally distribute objects so that the distance between center of each object is equal.
Horizontally distribute objects so that the distance between the edge of each object is equal.
Horizontally distribute objects so that the edge of each object touch.

(ANGLE GEOMETRY)

Set the restriction of the angle of lines when creating POLYLINE, POLYGON, SPLINE objects, etc.

Unrestricted: Don't restrict the angle of lines. With this setting, lines of any angle may created. This is the default.
LaTeX Line: Allow lines to be drawn only at slopes which can be handled by the line command of the LaTeX picture environment. With this setting, lines with slope x / y (here, x and y are integers in the range -6 to 6) may be created.
LaTeX Vector: Allow lines to be drawn only at slopes which can be handled by the vector command of the LaTeX picture environment. With this setting, lines with slope x / y (here, x and y are integers in the range -4 to 4) may be created.
Manhattan-Mountain: Allow lines to be drawn in the horizontal, vertical or diagonal (45 degrees) direction only.
Manhattan: Allow lines to be drawn in the horizontal or vertical direction only.
Mountain: Allow lines to be drawn in the diagonal (45 degrees) direction only.

(PEN COLOR)

Set the color used to draw objects. The color may be selected from 32 standard colors and other arbitrary colors defined by user. See Colors Panel for more information.

Clicking this button with mouse button 1 will popup the Colors Panel.

The color to fill the region inside object is set by FILL COLOR and FILL STYLE. If you want to fill the region without drawing the outline of the object, set LINE WIDTH to zero.

(FILL COLOR)

Set the color used to fill the region inside objects. As in PEN COLOR, the color may be selected from 32 standard colors and other arbitrary colors defined by user. See Colors Panel for more information.

Clicking this button with mouse button 1 will popup the Colors Panel.

The color to draw the outline of object is set by PEN COLOR. The FILL COLOR is only effective when the FILL STYLE is set to other than None. If you don't want to fill the region inside objects, set the FILL STYLE to None.

(FILL STYLE)

Set fill darkness or fill pattern. Fill color is set by FILL COLOR. If None is selected here, the region inside object will not be filled.

Clicking this button with mouse button 1 will popup this panel:

(LINE WIDTH)

Set the width of lines to draw the outline of objects. The unit of the line width is exactly 1 screen pixel (about 1/80 inch).

If this is set to zero, the outline of objects will not be drawn. The area fill will still be used if area fill is enabled by FILL STYLE.

(LINE STYLE)

Set the line style from solid, dashed, dotted, dash-dot, dash-dot-dot and dash-dot-dot-dot. It is also possible to set the dash length or dot distance. The shape (ends) of each dash and dot may set by CAP STYLE.

Clicking this button with mouse button 1 will popup this panel:

(JOIN STYLE)

Set the shape of the join point (vertex) of lines of objects such as POLYLINE or POLYGON. This setting does not have a remarkable effect when the line is very thin.

MITER: Extend the outer edge of the lines until they touch. Automatically uses BEVEL instead if the angle is too acute. This is the default.
ROUNDED: Join lines with an arc whose center is at the join point and whose diameter is equal to the line width.
BEVEL: Join the lines with butt end caps and fill the resulting triangular notch at the join position.

The shape of the end points of lines will set by CAP STYLE.

(CAP STYLE)

Set the shape of end points of lines of objects such as POLYLINE. This setting does not have a remarkable effect when the line is very thin.

BUTT: The ends of the line don't extend beyond the end points. This is the default.
ROUND: Terminate lines with a circle whose diameter is equal to the line width.
PROJECTING: Similar to BUTT, but the ends of the line extend by half of line width beyond the end points.

This setting also affects the shape of dashes or dots of dashed-lines or dotted-lines. The shape of the join point (vertex) of lines is set by JOIN STYLE.

(ARROW MODE)

Determines whether an arrow head should be automatically added at either or both ends of a line when creating a POLYLINE, OPEN ARC, or OPEN SPLINE object.

Do not add any arrow heads.
Add an arrow head at the last point of the line.
Add an arrow head at each end of the line.
Add an arrow head at the first point of the line.

The shape of the arrow head may set by ARROW TYPE and the size by ARROW SIZE. It is also possible to add (or remove) arrow heads to existing objects using ADD / DELETE ARROW.

(ARROW TYPE)

Sets the shape of arrow heads.

The size of arrow head may be set using ARROW SIZE.

(ARROW SIZE)

Set the size of arrow head.

Clicking this button with mouse button 1 will popup this panel:

The Thickness controls the thickness of the line forming the arrow head.
The Width controls the width at the back of the arrow head.
The Height controls the length or height of the arrow head.
All these units are the same as for LINE WIDTH. This is a change from previous versions of xfig, where the width and height were in Fig units (1/1200 inch).

If the Absolute Values box is checked, the values from the left side entries are used and are absolute as just described.
If the Multiple of Line Width box is checked, the respective value from the right side entry is multiplied by the current line thickness setting to arrive at the sizes.

(BOX CURVE)

Set the corner radius of ARC-BOX objects. The units are the same as for LINE WIDTH.

(ARC TYPE)

Set the style of ARC object.

OPEN ARC: Draw only the arc.
PIE-WEDGE: Adding to the arc, draw lines which connect each end of the arc to the center.

(TEXT FONT)

Set the font used to draw TEXT objects. The size of the font may be set by TEXT SIZE.

Clicking this button with mouse button 1 will popup the Font Panel to select the font.

(TEXT SIZE)

Set the size (point size) of TEXT object. The default is 12 points. The font itself is set by TEXT FONT.

(TEXT STEP)

Set the vertical distance by which lines of text will be spaced when entering multiple lines in TEXT mode. The distance is the product of the height of the font (approximately TEXT SIZE) and this value.

(TEXT JUSTIFICATION)

Set which part of the text should be placed at the specified point when entering TEXT object.

LEFT JUSTIFIED: Place the left edge of the text at the specified point. This is the default.
CENTERED: Place the center of the text at the specified point.
RIGHT JUSTIFIED: Place the right edge of the text at the specified point.

(TEXT FLAGS)

Set the Hidden, Rigid, and Special flags of TEXT objects. These flags are used for special situations, and they are all OFF by default.

Clicking this button with mouse button 2 or mouse button 3 will switch which flag's state should be displayed on the button.

Clicking this button with mouse button 1 will popup this panel:

If the Hidden flag is set ON, the string `<<>>' is displayed on the canvas instead of the text itself. The text will output as usual when Printing or Exporting. This is useful to avoid text with long sequences of LaTeX commands which makes the display hard to read.

If the Rigid flag is ON, the size of the font of the TEXT object will not be changed when a COMPOUND object which includes the TEXT object is scaled.

If the Special flag is ON, special characters (such as `\', for example) in text will not be specially processed but passed to the output `as is' when Exporting. This may be used to put LaTeX commands in text. The use of LaTeX commands is especially helpful to put complex mathematical formulas in the figure, for example. If the Special flag is OFF, the text will be processed before output.

Colors Panel

The Colors Panel is used to choose or define colors for the outline of objects or the fill area inside objects, and it will popup when either PEN COLOR button or FILL COLOR button is clicked.

Edit Pen

If this button is selected, the PEN COLOR (color to draw outline of object) may be selected. If this panel is popped up by clicking PEN COLOR button, this button is selected initially.

Edit Fill

If this button is selected, the FILL COLOR (color to fill region inside of object) may be selected. If this panel is popped up by clicking FILL COLOR button, this button is selected initially.

Standard Colors

This is a panel of 32 standard color buttons. Any of these colors may be selected by clicking on the color. The standard colors are black, yellow, white, gold, five shade of blue, four shade of green, four shade of cyan, four shade of red, five shade of magenta, four shade of brown, and four shade of pink. Additional colors may be defined by User Defined Colors.

User Defined Colors

Clicking the Add Color button will add a new user-defined color in the box under User Defined Colors. The color which was selected before Add Color was clicked is used as the initial color, so it is possible to use this color as a starting point.

The Lookup Color button will also add new user-defined color, by getting a color from the display. After clicking Lookup Color, click on any color on the display and that color will be used for the new user-defined color.

The Delete button will delete a user-defined color. A user-defined color be may deleted by clicking this button while the color is selected. However, the user-defined color may not be deleted if the color is in use by any objects in the current figure.

Clicking the UnDelete button will undo the last delete of user-defined color.

The user-defined colors may be modified using RGB (red/green/blue) or HSV (hue/saturation/value) sliders. It is also possible to enter hexadecimal values to indicate the intensity of red, green and blue (each value is 00 to FF) into the fields under Edit Pen and Edit Fill.

If two or three of the buttons above the red, green and blue sliders are checked (the figure shows the red and green locked), those sliders will be `locked' together, so that moving the Lock slider will move those sliders together.

Font Panel

The Font Panel is used to select the font to draw text, and it will popup when the TEXT FONT button is clicked. Only the font name may be selected here; the size of the font must be set using TEXT SIZE.

There are two Font Panels; one for PostScript fonts and one for LaTeX fonts.

$[Font Panel - LaTeX]$

Clicking a font button (the labels of the buttons are drawn using the font) will select that font. Clicking the Use LaTeX Fonts button will switch to the panel for LaTeX fonts, and clicking Use PostScript Fonts button will switch to the panel for PostScript fonts.

It is not guaranteed that all fonts in the panel of PostScript fonts are available on all PostScript printers. Also, different fonts may be used on the screen. This is dependent on which fonts the X server has. But at least these:

Times-Roman, Times-Italic, Times-Bold, Times-BoldItalic,
Courier, Courier-Oblique, Courier-Bold, Courier-BoldOblique,
Helvetica, Helvetica-Oblique, Helvetica-Bold, and Helvetica-BoldOblique

will be available in most environments.

[JAPANESE] In Japanese-xfig, `Times-Roman' will be replaced with `Times-Roman + Mincho', and `Times-Bold' will be replaced with `Times-Bold + Gothic'. It is possible to put Japanese in text when these fonts are selected. See Japanese Support (or Internationalization) about this.

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