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Справка Scilab >> Графики > geometric_shapes > rectangle properties

rectangle properties

description of the Rectangle entity properties

Description

The Rectangle entity is a leaf of the graphics entities hierarchy. This entity defines the parameters for rectangles and filled rectangles.

parent:

This field contains the handle of the parent. The parent of the rectangle entity should be of the type "Axes" or "Compound".

children:

This property contains a vector with the children of the handle. However, rectangle handles currently do not have any children.

mark_mode:

This field contains the default mark_mode property value for the polyline. Its value should be "on" (marks drawn) or "off" (no marks drawn).

mark_style:

The mark_style property value is used to select the type of mark to use when mark_mode property is "on". The value should be an integer in [0 14] which stands for: dot, plus, cross, star, filled diamond, diamond, triangle up, triangle down, diamond plus, circle, asterisk, square, triangle right, triangle left and pentagram. The figure below shows the aspects of the marks depending on the mark_style and the mark_foreground and mark_background properties.

mark_size_unit:

This field contains the default mark_size_unit property value. If mark_size_unit is set to "point", then the mark_size value is directly given in points. When mark_size_unit is set to "tabulated", mark_size is computed relative to the font size array: therefore, its value should be an integer in [0 5] with stands for 8pt, 10pt, 12pt, 14pt, 18pt and 24pt. Note that xrect and pure scilab functions use tabulated mode as default ; when using plot function, the point mode is automatically enabled.

mark_size:

The mark_size property is used to select the type of size of the marks when mark_mode property is "on". Its value should be an integer in [0 5] which stands for 8pt, 10pt, 12pt, 14pt, 18pt and 24pt.

mark_foreground:

This field contains the mark_foreground property value which is the marks' edge color. Its value should be a color index (relative to the current color_map) or 0 for transparent edge.

mark_background:

This field contains the mark_background property value which is the marks' face color. Its value should be a color index (relative to the current color_map) or 0 for transparent face.

line_mode:

This field contains the default line_mode property value for the rectangle. Its value should be "on"(line drawn) or "off" (no line drawn).

fill_mode:

If fill_mode property value is "on", the rectangle is filled with the foreground color, the mark_mode must also have the value "off". if not and the value's property is "off" only the shape of the rectangle is drawn using the foreground color.

line_style:

The line_style property value should be an integer in [1 8]. 1 stands for solid, the other value stands for a selection of dashes (see getlinestyle).

thickness:

This property is a positive real specifying the rectangle width in pixels. The displayed width is actually determined by rounding the supplied width to the nearest integer. The only exception is vectorial export where the whole thickness value is considered.

foreground:

This field contains the color used to draw the outline of the rectangle. Its value should be a color index (relative to the current colormap).

background:

This field contains the color used to fill the rectangle. Its value should be a color index (relative to the current colormap).

data:

This property is to return the coordinates of the upper-left point of the rectangle and its width and height in user coordinates. The result is the matrix [xleft,yup,[zup],width,height]

visible:

This field contains the visible property value for the entity . It should be "on" or "off" . By default, the rectangle is visible, the value's property is "on". If "off" the rectangle is not drawn on the screen.

clip_state:

This field contains the clip_state property value for the rectangle. It should be :

  • "off" this means that the rectangle is not clipped.

  • "clipgrf" this means that the rectangle is clipped outside the Axes box.

  • "on" this means that the rectangle is clipped outside the rectangle given by property clip_box.

clip_box:

This field is to determinate the clip_box property. By Default its value should be an empty matrix if clip_state is "off". Other cases the vector [x,y,w,h] (upper-left point width height) defines the portions of the rectangle to display, however clip_state property value will be changed.

user_data:

This field can be use to store any scilab variable in the rectangle data structure, and to retrieve it.

Examples

a=get("current_axes");//get the handle of the newly created axes
a.data_bounds=[-2,-2;2,2];

xrect(-1,1,2,2)

r=get("hdl");//get handle on current entity (here the rectangle entity)
r.type
r.parent.type
r.foreground=13;
r.line_style=2;
r.fill_mode="on";
r.background=color('red');
r.clip_box=[-1 1;1 1];
r.data(:,[3 4])=[1/2 1/2];
r.data(:,[1 2])=[1/2 1/2];
r.clip_state="off"

See also

  • set — set properties of some graphic objects or uimenus or uicontrol interactive components
  • get — Gets the handle of a graphical or User Interface object, or the property's value of objects.
  • delete — delete a graphic entity and its children.
  • xrect — draw a rectangle
  • xfrect — fill a rectangle
  • xrects — draw or fill a set of rectangles
  • graphics_entities — описание структур данных графических объектов

History

ВерсияОписание
5.4.0 line_style value 0 is obsolete, use 1 instead (both are equivalent for SOLID). Using value 0 will produce an error in Scilab 5.4.1.
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Mon Jan 03 14:39:58 CET 2022