Re: [PD] visca camera control in pd?

2008-01-25 Thread B. Bogart
I and a few other media artists use the elmo PTC100, its cheaper than
the canon's I was looking at the time.

With Canon you had to agree to a licence to even get the protocol, elmo
just leaves it out there. They are a pretty good company also (meaning
they have not pissed me off like others).

You can't do a slow pan with these cameras (despite the protocol sheet).

They also say the life is about 10,000 movements, but I've done probably
a 1,000,000 and still going strong.

I have an abstraction in the CVS for controlling it (uses comport and py
to do the parsing/communications) Works with the USB-rs232 adapter I used.

If you end up getting the Sony it would be great to add an object to the
ptz-camera collection. The infrastructure is there to give any command,
and get back messages from any of 4 in a daisy chain, just not ll the
details are implemented.

anyhow just letting you know.

B.



Martin Peach wrote:
 chris clepper wrote:
 I'm looking at the specs for a Sony PTZ cam which uses Sony's ViSCA
 protocol.  The manual gives the commands for  communicating with the cam,
 but I'm not sure if it would work with an existing Pd external or not.  The
 control machine will be running OSX so a USB-RS232 adapter would figure 
 into
 the equation.  I know very little about serial port programming and need a
 little help determining if the cam is an option or not.

 Cam manual (pp 19-37):
 http://bssc.sel.sony.com/BroadcastandBusiness/docs/manuals/evihd1_tm.pdf
 
 I've worked with a VISCA cam a few years ago. It just uses 9600 baud RS232 
 serial, so [comport] can handle it. The harder part is parsing incoming 
 messages.
 
 Martin
 
 
 
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Re: [PD] visca camera control in pd?

2008-01-25 Thread Martin Peach
chris clepper wrote:
I'm looking at the specs for a Sony PTZ cam which uses Sony's ViSCA
protocol.  The manual gives the commands for  communicating with the cam,
but I'm not sure if it would work with an existing Pd external or not.  The
control machine will be running OSX so a USB-RS232 adapter would figure 
into
the equation.  I know very little about serial port programming and need a
little help determining if the cam is an option or not.

Cam manual (pp 19-37):
http://bssc.sel.sony.com/BroadcastandBusiness/docs/manuals/evihd1_tm.pdf

I've worked with a VISCA cam a few years ago. It just uses 9600 baud RS232 
serial, so [comport] can handle it. The harder part is parsing incoming 
messages.

Martin



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Re: [PD] visca camera control in pd?

2008-01-25 Thread Martin Peach
chris clepper wrote:

On Jan 25, 2008 12:00 PM, Martin Peach [EMAIL PROTECTED] wrote:

  
http://bssc.sel.sony.com/BroadcastandBusiness/docs/manuals/evihd1_tm.pdfI've
  worked with a VISCA cam a few years ago. It just uses 9600 baud RS232
  serial, so [comport] can handle it. The harder part is parsing incoming
  messages.


Good to know it is possible.  What incoming messages need to be handled?   
I
was thinking that Pd would just send messages to move the cam around and 
not
really need to know if the they are successful or not.

You don't need to listen to it unless you want to know what state it is in 
before you start, and when it's completed the commands you sent. If you just 
send it a reset at the beginning and allow enough time for the commands to 
execute, it should be OK.

Martin



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[PD] visca camera control in pd?

2008-01-25 Thread chris clepper
PDPeople,

I'm looking at the specs for a Sony PTZ cam which uses Sony's ViSCA
protocol.  The manual gives the commands for  communicating with the cam,
but I'm not sure if it would work with an existing Pd external or not.  The
control machine will be running OSX so a USB-RS232 adapter would figure into
the equation.  I know very little about serial port programming and need a
little help determining if the cam is an option or not.

Cam manual (pp 19-37):
http://bssc.sel.sony.com/BroadcastandBusiness/docs/manuals/evihd1_tm.pdf

There is also an open source libVISCA for dealing with this, but I would
rather make abstractions around existing externals than code up a new one.

Thanks
Chris
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Re: [PD] visca camera control in pd?

2008-01-25 Thread chris clepper
On Jan 25, 2008 12:00 PM, Martin Peach [EMAIL PROTECTED] wrote:

 http://bssc.sel.sony.com/BroadcastandBusiness/docs/manuals/evihd1_tm.pdfI've
 worked with a VISCA cam a few years ago. It just uses 9600 baud RS232
 serial, so [comport] can handle it. The harder part is parsing incoming
 messages.


Good to know it is possible.  What incoming messages need to be handled?   I
was thinking that Pd would just send messages to move the cam around and not
really need to know if the they are successful or not.
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Re: [PD] visca camera control in pd?

2008-01-25 Thread chris clepper
On Jan 25, 2008 12:13 PM, B. Bogart [EMAIL PROTECTED] wrote:

 I and a few other media artists use the elmo PTC100, its cheaper than
 the canon's I was looking at the time.


The Sony is HD with a handy HD-SDI connector for long cable runs.  I don't
particularly like Sony or their products, but this seems to be the only
option in the prices range (JVC and Panny have some that are up to 10x the
cost).


 I have an abstraction in the CVS for controlling it (uses comport and py
 to do the parsing/communications) Works with the USB-rs232 adapter I used.

 If you end up getting the Sony it would be great to add an object to the
 ptz-camera collection. The infrastructure is there to give any command,
 and get back messages from any of 4 in a daisy chain, just not ll the
 details are implemented.


I would like to just make some abstractions for the control. I will take a
look at your abstraction.

Thanks
Chris
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Re: [PD] visca camera control in pd?

2008-01-25 Thread B. Bogart
The elmo just says Ack, ERR or Complete but since multiple cameras can
be diasychained then it gets more complex, which camera threw which error.

Another thing to look into is the pan/tilt heads, I was looking at these
as they are much more flexible, you can put any camera on em, but I did
not look very far. (zoom is obviously trouble)

have fun!

.b.

chris clepper wrote:
 
 
 On Jan 25, 2008 12:00 PM, Martin Peach [EMAIL PROTECTED]
 mailto:[EMAIL PROTECTED] wrote:
 
 
 http://bssc.sel.sony.com/BroadcastandBusiness/docs/manuals/evihd1_tm.pdfI've
 worked with a VISCA cam a few years ago. It just uses 9600 baud RS232
 serial, so [comport] can handle it. The harder part is parsing incoming
 messages.
 
 
 Good to know it is possible.  What incoming messages need to be
 handled?   I was thinking that Pd would just send messages to move the
 cam around and not really need to know if the they are successful or not. 
 
 
 
 
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