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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 anychildren
.- 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 whenmark_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 themark_style
and themark_foreground
andmark_background
properties.- mark_size_unit:
This field contains the default
mark_size_unit
property value. Ifmark_size_unit
is set to"point"
, then themark_size
value is directly given in points. Whenmark_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 usetabulated
mode as default ; when using plot function, thepoint
mode is automatically enabled.- mark_size:
The
mark_size
property is used to select the type of size of the marks whenmark_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, themark_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, howeverclip_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
Версия | Описание |
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. |
Report an issue | ||
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