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GraphicsPlaceholder.m
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Mon, Sep 30, 19:19
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rINSTCONTROL Instrument Control
GraphicsPlaceholder.m
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classdef
(
ConstructOnLoad
=
true
)
GraphicsPlaceholder
<
graphics
.
Graphics
%
GraphicsPlaceholder
Default
graphics
object
.
%
%
The
graphics
.
GraphicsPlaceholder
class
defines
the
default
graphics
%
object
.
Instances
of
this
class
appear
as:
%
%
*
Elements
of
pre
-
allocated
arrays
created
with
hobjects
.
%
*
Unassigned
array
element
placeholders
%
*
Graphics
object
properties
that
hold
object
handles
,
but
are
set
%
to
empty
values
%
*
Empty
values
returned
by
functions
that
return
object
handles
(
for
%
example
,
findobj
).
%
%
Usage:
%
graphics
.
GraphicsPlaceholder
()
-
Creates
a
GraphicsPlaceholder
.
%
%
Example:
%
x
=
linspace
(
0
,
20
,
101
);
%
y
=
sin
(
x
);
%
%
%
hPlot
=
plot
(
x
,
y
);
%
hCBar
(
3
)
=
cursorbar
(
hPlot
);
%
hGPHolder
=
hCBar
(
1
)
%
%
GraphicsPlaceholder
Constructor:
%
GraphicsPlaceholder
-
GraphicsPlaceholder
constructor
.
%
%
Inherited
<
a
href
=
"matlab:help matlab.mixin.CustomDisplay"
>
matlab
.
mixin
.
CustomDisplay
</
a
>
Methods:
%
details
-
Fully
detailed
formal
object
display
.
%
disp
-
Simple
informal
object
display
.
%
display
-
Print
variable
name
and
display
object
.
%
%
Inherited
<
a
href
=
"matlab:help matlab.mixin.Heterogeneous"
>
matlab
.
mixin
.
Heterogeneous
</
a
>
Methods:
%
cat
-
Concatenation
for
heterogeneous
arrays
.
%
horzcat
-
Horizontal
concatenation
for
%
heterogeneous
arrays
.
%
vertcat
-
Vertical
concatenation
for
%
heterogeneous
arrays
.
%
%
Inherited
<
a
href
=
"matlab:help handle"
>
handle
</
a
>
Methods:
%
addlistener
-
Add
listener
for
event
.
%
delete
-
Delete
a
handle
object
.
%
eq
-
Test
handle
equality
.
%
findobj
-
Find
objects
with
specified
property
%
values
.
%
findprop
-
Find
property
of
MATLAB
handle
object
.
%
ge
-
Greater
than
or
equal
relation
.
%
gt
-
Greater
than
relation
.
%
isvalid
-
Test
handle
validity
.
%
le
-
Less
than
or
equal
relation
for
handles
.
%
lt
-
Less
than
relation
for
handles
.
%
ne
-
Not
equal
relation
for
handles
.
%
notify
-
Notify
listeners
of
event
.
%
%
Inherited
<
a
href
=
"matlab:help handle"
>
handle
</
a
>
Events:
%
ObjectBeingDestroyed
-
Notifies
listeners
that
a
particular
%
object
has
been
destroyed
.
%
Web:
%
<
a
href
=
"http://undocumentedmatlab.com/blog/undocumented-cursorbar-object"
>
Undocumented
Matlab:
Undocumented
cursorbar
object
</
a
>
.
%
%
See
also:
graphics
.
Graphics
,
hobjects
.
%
%
Thanks
to
<
a
href
=
"http://www.mathworks.com/matlabcentral/profile/authors/3354683-yaroslav"
>
Yaroslav
Don
</
a
>
for
his
assistance
in
updating
cursorbar
for
%
MATLAB
Graphics
and
for
his
contribution
of
new
functionality
.
%
Copyright
2016
The
MathWorks
,
Inc
.
%%
Main
methods
methods
function
hThis
=
GraphicsPlaceholder
()
%
GRAPHICSPLACEHOLDER
A
GraphicsPlaceholder
constructor
.
%
%
See
also:
GraphicsPlaceholder
.
%
Check
MATLAB
Graphics
system
version
if
verLessThan
(
'
matlab
','
8.4.0
'
)
error
(
'
graphics:GraphicsPlaceholder:GraphicsPlaceholder:
oldVersion
'
,
...
'
GraphicsPlaceholder
requires
the
new
MATLAB
graphics
system
that
was
introduced
in
R2014b
.
'
);
end
end
end
end
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