Package MSP

-~

Signal subtraction

Description

Use the -~ object to perform signal subtraction (to output a signal which is the difference between two signals).

Arguments

initial-subtraction-value[number]
optional

Sets an initial amount to subtract from the signal coming into the left inlet. If a signal is connected to the right inlet, the argument is overidden. If no argument is present, and no signal is connected to the right inlet, the initial value is 0 by default.

Attributes

Common Box Attributes

Below is a list of attributes shared by all objects. If you want to change one of these attributes for an object based on the object box, you need to place the word sendbox in front of the attribute name, or use the object's Inspector.

annotation[symbol]

Sets the text that will be displayed in the Clue window when the user moves the mouse over the object.

background[int]: 0

Adds or removes the object from the patcher's background layer. background 1 adds the object to the background layer, background 0 removes it. Objects in the background layer are shown behind all objects in the default foreground layer.

color[4 floats]

Sets the color for the object box outline.

fontface[int]

Sets the type style used by the object. The options are:

plain
bold
italic
bold italic Possible values:

0 = 'regular'
1 = 'bold'
2 = 'italic'
3 = 'bold italic'

fontname[symbol]

Sets the object's font.

fontsize[float]

Sets the object's font size (in points). Possible values:

'8'
'9'
'10'
'11'
'12'
'13'
'14'
'16'
'18'
'20'
'24'
'30'
'36'
'48'
'64'
'72'

hidden[int]: 0

Toggles whether an object is hidden when the patcher is locked.

hint[symbol]

Sets the text that will be displayed in as a pop-up hint when the user moves the mouse over the object in a locked patcher.

ignoreclick[int]: 0

Toggles whether an object ignores mouse clicks in a locked patcher.

jspainterfile[symbol]

JS Painter File

patching_rect[4 floats]: 0. 0. 100. 0.

Sets the position and size of the object in the patcher window.

position[2 floats]
write-only

Sets the object's x and y position in both patching and presentation modes (if the object belongs to its patcher's presentation), leaving its size unchanged.

presentation[int]: 0

Sets whether an object belongs to the patcher's presentation.

presentation_rect[4 floats]: 0. 0. 0. 0.

Sets the x and y position and width and height of the object in the patcher's presentation, leaving its patching position unchanged.

rect[4 floats]
write-only

Sets the x and y position and width and height of the object in both patching and presentation modes (if the object belongs to its patcher's presentation).

size[2 floats]
write-only

Sets the object's width and height in both patching and presentation modes (if the object belongs to its patcher's presentation), leaving its position unchanged.

textcolor[4 floats]

Sets the color for the object's text in RGBA format.

textjustification[int]

Sets the justification for the object's text. Possible values:

0 = 'left'
1 = 'center'
2 = 'right'

varname[symbol]

Sets the patcher's scripting name, which can be used to address the object by name in pattr, scripting messages to thispatcher, and the js object.

Messages

int

In left inlet: Subtracts the signal coming into the right inlet from this value. If a signal is connected to both left and right inlets, a float or int connected to either inlet will be ignored.

In right inlet: An amount to subtract from the signal coming into the left inlet. If a signal is connected to both left and right inlets, a float or int connected to either inlet will be ignored.

Arguments:
  • input [int]

float

In left inlet: Subtracts the signal coming into the right inlet from this value. If a signal is connected to both left and right inlets, a float or int connected to either inlet will be ignored.

In right inlet: An amount to subtract from the signal coming into the left inlet. If a signal is connected to both left and right inlets, a float or int connected to either inlet will be ignored.

Arguments:
  • input [float]

signal

In left inlet: The signal coming into the right inlet or a constant value received in the right inlet is subtracted from this signal. All signal inputs to a single inlet are summed. If a signal and number are both sent to the left inlet, the specified operation will be performed with those values.

In right inlet: The signal is subtracted from the signal coming into the left inlet, or a constant value received in the left inlet. All signal inputs to a single inlet are summed.

Output

signal

The difference between the two inputs.

See Also

Name Description
+~ Add signals
!-~ Signal subtraction (inlets reversed)