[python source code]

vidpic

The vidpic commands module.

These commands are used in the following models: DPO4K, DPO4KB, MDO3, MDO3K, MDO4K, MDO4KB, MDO4KC, MSO4K, MSO4KB

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Commands and Queries 
- VIDPic:AUTOContrast {ON|OFF|1|0}
- VIDPic:AUTOContrast:UPDATERate <NR1>
- VIDPic:AUTOContrast:UPDATERate?
- VIDPic:AUTOContrast?
- VIDPic:BRIGHTNess <NR1>
- VIDPic:BRIGHTNess?
- VIDPic:CONTRast <NR1>
- VIDPic:CONTRast?
- VIDPic:DISplay {ON|OFF|1|0}
- VIDPic:DISplay?
- VIDPic:FRAMETYPe {ODD|EVEN|INTERLAced}
- VIDPic:FRAMETYPe?
- VIDPic:LOCation:HEIght <NR1>
- VIDPic:LOCation:HEIght?
- VIDPic:LOCation:OFFSet <NR3>
- VIDPic:LOCation:OFFSet?
- VIDPic:LOCation:STARt:LINE <NR1>
- VIDPic:LOCation:STARt:LINE?
- VIDPic:LOCation:STARt:PIXel <NR1>
- VIDPic:LOCation:STARt:PIXel?
- VIDPic:LOCation:WIDth <NR1>
- VIDPic:LOCation:WIDth?
- VIDPic:LOCation:X <NR1>
- VIDPic:LOCation:X?
- VIDPic:LOCation:Y <NR1>
- VIDPic:LOCation:Y?
- VIDPic:SOUrce {CH<x>}
- VIDPic:SOUrce?
- VIDPic:STANdard {NTSC|PAL}
- VIDPic:STANdard?

Vidpic

Bases: SCPICmdRead

The VIDPic command tree.

Usage
  • Using the .query() method will send the VIDPic? query.
  • Using the .verify(value) method will send the VIDPic? query and raise an AssertionError if the returned value does not match value.
Properties
  • .autocontrast: The VIDPic:AUTOContrast command.
  • .brightness: The VIDPic:BRIGHTNess command.
  • .contrast: The VIDPic:CONTRast command.
  • .display: The VIDPic:DISplay command.
  • .frametype: The VIDPic:FRAMETYPe command.
  • .location: The VIDPic:LOCation command tree.
  • .source: The VIDPic:SOUrce command.
  • .standard: The VIDPic:STANdard command.

autocontrast property 

autocontrast: VidpicAutocontrast

Return the VIDPic:AUTOContrast command.

Description
  • Sets (or queries) the video picture automatic contrast state. Automatic contrast uses histogram equalization to optimize the use of brightness levels; each brightness level occupies approximately the same area in the image.
Usage
  • Using the .query() method will send the VIDPic:AUTOContrast? query.
  • Using the .verify(value) method will send the VIDPic:AUTOContrast? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:AUTOContrast value command.
SCPI Syntax 
- VIDPic:AUTOContrast {ON|OFF|1|0}
- VIDPic:AUTOContrast?
Info
  • 1 or ON turns on the auto contrast state for the video picture feature.
  • 0 or OFF turns it off.
Sub-properties
  • .updaterate: The VIDPic:AUTOContrast:UPDATERate command.

brightness property 

brightness: VidpicBrightness

Return the VIDPic:BRIGHTNess command.

Description
  • Sets (or queries) the video picture brightness level as an integer percentage.
Usage
  • Using the .query() method will send the VIDPic:BRIGHTNess? query.
  • Using the .verify(value) method will send the VIDPic:BRIGHTNess? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:BRIGHTNess value command.
SCPI Syntax 
- VIDPic:BRIGHTNess <NR1>
- VIDPic:BRIGHTNess?

contrast property 

contrast: VidpicContrast

Return the VIDPic:CONTRast command.

Description
  • Sets (or queries) the video picture contrast level as an integer percentage.
Usage
  • Using the .query() method will send the VIDPic:CONTRast? query.
  • Using the .verify(value) method will send the VIDPic:CONTRast? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:CONTRast value command.
SCPI Syntax 
- VIDPic:CONTRast <NR1>
- VIDPic:CONTRast?

display property 

display: VidpicDisplay

Return the VIDPic:DISplay command.

Description
  • Sets (or queries) the video picture display state.
Usage
  • Using the .query() method will send the VIDPic:DISplay? query.
  • Using the .verify(value) method will send the VIDPic:DISplay? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:DISplay value command.
SCPI Syntax 
- VIDPic:DISplay {ON|OFF|1|0}
- VIDPic:DISplay?
Info
  • 1 or ON turns on the video picture display feature.
  • 0 or OFF turns it off.

frametype property 

frametype: VidpicFrametype

Return the VIDPic:FRAMETYPe command.

Description
  • Sets (or queries) the video picture frame type (ODD, EVEN or INTERLAced). Interlaced frames combine successive odd and even frames by displaying alternating lines from each. The resulting image has twice as many rows, which changes its aspect ratio.
Usage
  • Using the .query() method will send the VIDPic:FRAMETYPe? query.
  • Using the .verify(value) method will send the VIDPic:FRAMETYPe? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:FRAMETYPe value command.
SCPI Syntax 
- VIDPic:FRAMETYPe {ODD|EVEN|INTERLAced}
- VIDPic:FRAMETYPe?
Info
  • ODD sets the frame type to Odd.
  • EVEN sets the frame type to Even.
  • INTERLAced sets the frame type to Interlaced.

location property 

location: VidpicLocation

Return the VIDPic:LOCation command tree.

Usage
  • Using the .query() method will send the VIDPic:LOCation? query.
  • Using the .verify(value) method will send the VIDPic:LOCation? query and raise an AssertionError if the returned value does not match value.
Sub-properties
  • .height: The VIDPic:LOCation:HEIght command.
  • .offset: The VIDPic:LOCation:OFFSet command.
  • .start: The VIDPic:LOCation:STARt command tree.
  • .width: The VIDPic:LOCation:WIDth command.
  • .x: The VIDPic:LOCation:X command.
  • .y: The VIDPic:LOCation:Y command.

source property 

source: VidpicSource

Return the VIDPic:SOUrce command.

Description
  • Sets (or queries) the channel to use for the video picture source waveform.
Usage
  • Using the .query() method will send the VIDPic:SOUrce? query.
  • Using the .verify(value) method will send the VIDPic:SOUrce? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:SOUrce value command.
SCPI Syntax 
- VIDPic:SOUrce {CH<x>}
- VIDPic:SOUrce?
Info
  • CH<x> specify which channel to use for the video picture source waveform.

standard property 

standard: VidpicStandard

Return the VIDPic:STANdard command.

Description
  • Sets (or queries) which video picture standard to use (either NTSC or PAL).
Usage
  • Using the .query() method will send the VIDPic:STANdard? query.
  • Using the .verify(value) method will send the VIDPic:STANdard? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:STANdard value command.
SCPI Syntax 
- VIDPic:STANdard {NTSC|PAL}
- VIDPic:STANdard?
Info
  • NTSC sets the video picture standard to NTSC (National Television Systems Committee).
  • PAL sets the video picture standard to PAL (Phase Alternation Line).

VidpicAutocontrast

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:AUTOContrast command.

Description
  • Sets (or queries) the video picture automatic contrast state. Automatic contrast uses histogram equalization to optimize the use of brightness levels; each brightness level occupies approximately the same area in the image.
Usage
  • Using the .query() method will send the VIDPic:AUTOContrast? query.
  • Using the .verify(value) method will send the VIDPic:AUTOContrast? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:AUTOContrast value command.
SCPI Syntax 
- VIDPic:AUTOContrast {ON|OFF|1|0}
- VIDPic:AUTOContrast?
Info
  • 1 or ON turns on the auto contrast state for the video picture feature.
  • 0 or OFF turns it off.
Properties
  • .updaterate: The VIDPic:AUTOContrast:UPDATERate command.

updaterate property 

updaterate: VidpicAutocontrastUpdaterate

Return the VIDPic:AUTOContrast:UPDATERate command.

Description
  • Sets (or queries) the number of frames between automatic contrast updates.
Usage
  • Using the .query() method will send the VIDPic:AUTOContrast:UPDATERate? query.
  • Using the .verify(value) method will send the VIDPic:AUTOContrast:UPDATERate? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:AUTOContrast:UPDATERate value command.
SCPI Syntax 
- VIDPic:AUTOContrast:UPDATERate <NR1>
- VIDPic:AUTOContrast:UPDATERate?

VidpicAutocontrastUpdaterate

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:AUTOContrast:UPDATERate command.

Description
  • Sets (or queries) the number of frames between automatic contrast updates.
Usage
  • Using the .query() method will send the VIDPic:AUTOContrast:UPDATERate? query.
  • Using the .verify(value) method will send the VIDPic:AUTOContrast:UPDATERate? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:AUTOContrast:UPDATERate value command.
SCPI Syntax 
- VIDPic:AUTOContrast:UPDATERate <NR1>
- VIDPic:AUTOContrast:UPDATERate?

VidpicBrightness

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:BRIGHTNess command.

Description
  • Sets (or queries) the video picture brightness level as an integer percentage.
Usage
  • Using the .query() method will send the VIDPic:BRIGHTNess? query.
  • Using the .verify(value) method will send the VIDPic:BRIGHTNess? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:BRIGHTNess value command.
SCPI Syntax 
- VIDPic:BRIGHTNess <NR1>
- VIDPic:BRIGHTNess?

VidpicContrast

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:CONTRast command.

Description
  • Sets (or queries) the video picture contrast level as an integer percentage.
Usage
  • Using the .query() method will send the VIDPic:CONTRast? query.
  • Using the .verify(value) method will send the VIDPic:CONTRast? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:CONTRast value command.
SCPI Syntax 
- VIDPic:CONTRast <NR1>
- VIDPic:CONTRast?

VidpicDisplay

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:DISplay command.

Description
  • Sets (or queries) the video picture display state.
Usage
  • Using the .query() method will send the VIDPic:DISplay? query.
  • Using the .verify(value) method will send the VIDPic:DISplay? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:DISplay value command.
SCPI Syntax 
- VIDPic:DISplay {ON|OFF|1|0}
- VIDPic:DISplay?
Info
  • 1 or ON turns on the video picture display feature.
  • 0 or OFF turns it off.

VidpicFrametype

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:FRAMETYPe command.

Description
  • Sets (or queries) the video picture frame type (ODD, EVEN or INTERLAced). Interlaced frames combine successive odd and even frames by displaying alternating lines from each. The resulting image has twice as many rows, which changes its aspect ratio.
Usage
  • Using the .query() method will send the VIDPic:FRAMETYPe? query.
  • Using the .verify(value) method will send the VIDPic:FRAMETYPe? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:FRAMETYPe value command.
SCPI Syntax 
- VIDPic:FRAMETYPe {ODD|EVEN|INTERLAced}
- VIDPic:FRAMETYPe?
Info
  • ODD sets the frame type to Odd.
  • EVEN sets the frame type to Even.
  • INTERLAced sets the frame type to Interlaced.

VidpicLocation

Bases: SCPICmdRead

The VIDPic:LOCation command tree.

Usage
  • Using the .query() method will send the VIDPic:LOCation? query.
  • Using the .verify(value) method will send the VIDPic:LOCation? query and raise an AssertionError if the returned value does not match value.
Properties
  • .height: The VIDPic:LOCation:HEIght command.
  • .offset: The VIDPic:LOCation:OFFSet command.
  • .start: The VIDPic:LOCation:STARt command tree.
  • .width: The VIDPic:LOCation:WIDth command.
  • .x: The VIDPic:LOCation:X command.
  • .y: The VIDPic:LOCation:Y command.

height property 

height: VidpicLocationHeight

Return the VIDPic:LOCation:HEIght command.

Description
  • Sets (or queries) the video picture height, in rows.
Usage
  • Using the .query() method will send the VIDPic:LOCation:HEIght? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:HEIght? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:LOCation:HEIght value command.
SCPI Syntax 
- VIDPic:LOCation:HEIght <NR1>
- VIDPic:LOCation:HEIght?

offset property 

offset: VidpicLocationOffset

Return the VIDPic:LOCation:OFFSet command.

Description
  • Sets (or queries) the video picture line-to-line offset. This is the amount of additional delay time to add between lines of the video picture.
Usage
  • Using the .query() method will send the VIDPic:LOCation:OFFSet? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:OFFSet? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:LOCation:OFFSet value command.
SCPI Syntax 
- VIDPic:LOCation:OFFSet <NR3>
- VIDPic:LOCation:OFFSet?

start property 

start: VidpicLocationStart

Return the VIDPic:LOCation:STARt command tree.

Usage
  • Using the .query() method will send the VIDPic:LOCation:STARt? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:STARt? query and raise an AssertionError if the returned value does not match value.
Sub-properties
  • .line: The VIDPic:LOCation:STARt:LINE command.
  • .pixel: The VIDPic:LOCation:STARt:PIXel command.

width property 

width: VidpicLocationWidth

Return the VIDPic:LOCation:WIDth command.

Description
  • Sets (or queries) the video picture width, in columns.
Usage
  • Using the .query() method will send the VIDPic:LOCation:WIDth? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:WIDth? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:LOCation:WIDth value command.
SCPI Syntax 
- VIDPic:LOCation:WIDth <NR1>
- VIDPic:LOCation:WIDth?

x property 

x: VidpicLocationX

Return the VIDPic:LOCation:X command.

Description
  • Sets (or queries) the video picture X origin location, in columns.
Usage
  • Using the .query() method will send the VIDPic:LOCation:X? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:X? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:LOCation:X value command.
SCPI Syntax 
- VIDPic:LOCation:X <NR1>
- VIDPic:LOCation:X?

y property 

y: VidpicLocationY

Return the VIDPic:LOCation:Y command.

Description
  • Sets (or queries) the video picture Y origin location, in rows.
Usage
  • Using the .query() method will send the VIDPic:LOCation:Y? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:Y? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:LOCation:Y value command.
SCPI Syntax 
- VIDPic:LOCation:Y <NR1>
- VIDPic:LOCation:Y?

VidpicLocationHeight

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:LOCation:HEIght command.

Description
  • Sets (or queries) the video picture height, in rows.
Usage
  • Using the .query() method will send the VIDPic:LOCation:HEIght? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:HEIght? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:LOCation:HEIght value command.
SCPI Syntax 
- VIDPic:LOCation:HEIght <NR1>
- VIDPic:LOCation:HEIght?

VidpicLocationOffset

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:LOCation:OFFSet command.

Description
  • Sets (or queries) the video picture line-to-line offset. This is the amount of additional delay time to add between lines of the video picture.
Usage
  • Using the .query() method will send the VIDPic:LOCation:OFFSet? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:OFFSet? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:LOCation:OFFSet value command.
SCPI Syntax 
- VIDPic:LOCation:OFFSet <NR3>
- VIDPic:LOCation:OFFSet?

VidpicLocationStart

Bases: SCPICmdRead

The VIDPic:LOCation:STARt command tree.

Usage
  • Using the .query() method will send the VIDPic:LOCation:STARt? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:STARt? query and raise an AssertionError if the returned value does not match value.
Properties
  • .line: The VIDPic:LOCation:STARt:LINE command.
  • .pixel: The VIDPic:LOCation:STARt:PIXel command.

line property 

line: VidpicLocationStartLine

Return the VIDPic:LOCation:STARt:LINE command.

Description
  • Sets (or queries) the video picture starting line number.
Usage
  • Using the .query() method will send the VIDPic:LOCation:STARt:LINE? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:STARt:LINE? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:LOCation:STARt:LINE value command.
SCPI Syntax 
- VIDPic:LOCation:STARt:LINE <NR1>
- VIDPic:LOCation:STARt:LINE?

pixel property 

pixel: VidpicLocationStartPixel

Return the VIDPic:LOCation:STARt:PIXel command.

Description
  • Sets (or queries) the video picture starting pixel in each line The range for this value varies with the instrument screen geometry. Each video line is an analog signal of nominally 63.5us duration (10.9us blanking + 52.6us active video) that can be sampled from 1MS/s to 100MS/s, giving from 52.6 to 5260 video samples or ‘pixels’ per output line. The start pixel is the starting sample in each line; it is limited to a single line at the current sample rate, i.e. ranges between -10.9 to 52.6 and -1090 to +5260.
Usage
  • Using the .query() method will send the VIDPic:LOCation:STARt:PIXel? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:STARt:PIXel? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:LOCation:STARt:PIXel value command.
SCPI Syntax 
- VIDPic:LOCation:STARt:PIXel <NR1>
- VIDPic:LOCation:STARt:PIXel?

VidpicLocationStartLine

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:LOCation:STARt:LINE command.

Description
  • Sets (or queries) the video picture starting line number.
Usage
  • Using the .query() method will send the VIDPic:LOCation:STARt:LINE? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:STARt:LINE? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:LOCation:STARt:LINE value command.
SCPI Syntax 
- VIDPic:LOCation:STARt:LINE <NR1>
- VIDPic:LOCation:STARt:LINE?

VidpicLocationStartPixel

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:LOCation:STARt:PIXel command.

Description
  • Sets (or queries) the video picture starting pixel in each line The range for this value varies with the instrument screen geometry. Each video line is an analog signal of nominally 63.5us duration (10.9us blanking + 52.6us active video) that can be sampled from 1MS/s to 100MS/s, giving from 52.6 to 5260 video samples or ‘pixels’ per output line. The start pixel is the starting sample in each line; it is limited to a single line at the current sample rate, i.e. ranges between -10.9 to 52.6 and -1090 to +5260.
Usage
  • Using the .query() method will send the VIDPic:LOCation:STARt:PIXel? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:STARt:PIXel? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:LOCation:STARt:PIXel value command.
SCPI Syntax 
- VIDPic:LOCation:STARt:PIXel <NR1>
- VIDPic:LOCation:STARt:PIXel?

VidpicLocationWidth

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:LOCation:WIDth command.

Description
  • Sets (or queries) the video picture width, in columns.
Usage
  • Using the .query() method will send the VIDPic:LOCation:WIDth? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:WIDth? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:LOCation:WIDth value command.
SCPI Syntax 
- VIDPic:LOCation:WIDth <NR1>
- VIDPic:LOCation:WIDth?

VidpicLocationX

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:LOCation:X command.

Description
  • Sets (or queries) the video picture X origin location, in columns.
Usage
  • Using the .query() method will send the VIDPic:LOCation:X? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:X? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:LOCation:X value command.
SCPI Syntax 
- VIDPic:LOCation:X <NR1>
- VIDPic:LOCation:X?

VidpicLocationY

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:LOCation:Y command.

Description
  • Sets (or queries) the video picture Y origin location, in rows.
Usage
  • Using the .query() method will send the VIDPic:LOCation:Y? query.
  • Using the .verify(value) method will send the VIDPic:LOCation:Y? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:LOCation:Y value command.
SCPI Syntax 
- VIDPic:LOCation:Y <NR1>
- VIDPic:LOCation:Y?

VidpicSource

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:SOUrce command.

Description
  • Sets (or queries) the channel to use for the video picture source waveform.
Usage
  • Using the .query() method will send the VIDPic:SOUrce? query.
  • Using the .verify(value) method will send the VIDPic:SOUrce? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:SOUrce value command.
SCPI Syntax 
- VIDPic:SOUrce {CH<x>}
- VIDPic:SOUrce?
Info
  • CH<x> specify which channel to use for the video picture source waveform.

VidpicStandard

Bases: SCPICmdWrite, SCPICmdRead

The VIDPic:STANdard command.

Description
  • Sets (or queries) which video picture standard to use (either NTSC or PAL).
Usage
  • Using the .query() method will send the VIDPic:STANdard? query.
  • Using the .verify(value) method will send the VIDPic:STANdard? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the VIDPic:STANdard value command.
SCPI Syntax 
- VIDPic:STANdard {NTSC|PAL}
- VIDPic:STANdard?
Info
  • NTSC sets the video picture standard to NTSC (National Television Systems Committee).
  • PAL sets the video picture standard to PAL (Phase Alternation Line).