Difference between revisions of "OlaOutput Max External"
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For additional help with and information about OLA, visit [http://opendmx.net/index.php/OLA].
For additional help with and information about OLA, visit [http://opendmx.net/index.php/OLA ].
Revision as of 20:59, 16 April 2010
How to use the OlaOutput Max External
This article describes how to configure OlaOutput on Mac OS X 10.5 for use in Cycling 74's Max/MSP/Jitter or Ableton MaxForLive environments.
1. First, download the latest build of OLA from here and install it. OlaOutput is only compatible with OS X only for now.
2. OLA is a separate application from Ableton Live and Max/MSP. To use it to output DMX from DMaX, you need to start the OLA daemon first. Before you do this, make sure any USB devices you wish to use are plugged in and their drivers are installed.
Open Terminal (found in Applications/Utilities), type the following and press enter:
This will start the OLA daemon.
3. OLA has a HTTP web interface for configuration. You can access it at: http://localhost:9090
OLA won’t do anything until it’s configured. You need to setup which DMX universe each hardware device will operate on. To do this, select ‘Devices’ from the left-hand menu in the OLA web interface.
4 Click on the + next to the device you wish to use. You will see a variety of boxes labeled ‘IN’ and ‘OUT’. We want to configure a universe for output, so choose the correct ‘OUT’ box for the port you wish to use and enter a number into it to specify the universe. 1 a typical starting value.
Once you’ve done this, press ’Save Changes’ at the bottom of the list.
5. Click on ‘Universes’ on the left-hand menu. You should now see a list of the universes specified for output, which should include the one you just specified.
6. Click on the 'Console' link, and use the sliders to test that OLA is controlling your DMX devices
7. To install OlaOutput as a Max/MSP external, download the latest version and place the files in a folder somewhere on your system. Make a note of this path for the next step.
8. Load Max/MSP. Choose ‘Options>File Preferences…’. Then use the plus button on the lower left to add the path to the folder containing the externals you wish to install. This will tell Max to look in this folder for externals to use. Make sure you keep the files in this place, or Max will be unable to locate them.
9. Create a new Max patcher, and add an OlaObject to the canvas. If Max is unable to find OlaOutput, it will log a message to its output window.
10. The OlaOutput object has 2 inlets. The left inlet is used to send a series of DMX messages using the list structure. The (optional) right inlet is used to set the universe that is the destination for messages. For further details about how to use OlaOutput in Max, consult the OlaOutput.maxhelp file included in the download.
11. Create a message object in Max with the values 128 200 250 (separated by spaces). Connect the outlet of this message object to the left inlet of the OlaOutput object.
12. Lock the patcher, and click on the message object. The above values (128, 200, 250) should be sent out to channels 1, 2, 3 respectively.
13. Once you’re done, you can shut down olad using the 'stop olad' link on the ‘Home’ page of OLA's web interface.
For additional help with and information about OLA, visit the OLA Wiki.