[Rock-dev] plotting in rock

[Alexander Duda]

On Thu, 2012-03-01 at 20:59 +0100, Chris Mueller wrote:
> Is there also an interface for vizkit, which we could use in ruby
> scripts for automatic starting the
> plots on a port? 

task = Vizkit::TaskProxy.new("my_task_name")
Vizkit.display task.my_port_name,:subfield => "field",:widget=>"Plot2d"

> I have currently two types of applications where i would like to use
> it:
> - directly plotting a given data (e.g. altitude from pressure sensor)
> - extracting data from a port and feeding the plot widget (e.g.
> getting a laserscan and feed the plot widgets
> always with scan from angle x)
Vizkit.display task.laser_scan,:subfield
=>["ranges",index] ,:widget=>"Plot2d"

> That would be great. 
> 
> And what is currently the future for the current plotting widget
> located in the rock_widget_collection, which i 
> guess is using qwt?
This was never pushed to be used because it has some major drawbacks.
Most likely it is going to be removed.

Alex

-- 
Dipl.-Ing. Alexander Duda 
Unterwasserrobotik

DFKI Bremen
Robotics Innovation Center
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