FAQ: Lumen Designer (Graphics Cards)

Q: Graphics Card Recommendations:

A: Lighting Technologies' software products utilize OpenGL graphics libraries. Different graphics cards and graphics drivers work with these libraries to various levels of success. When the graphics driver settings are incompatible with the manner in which our software needs to communicate with the graphics card, various types of problems can result, including:

1. Slow graphics responsiveness.
2. Poor graphics display via incorrect polygon depth sorting or no screen refreshes.
3. General program crashes whether related to a graphics function or other general program interface interaction.

These types of problems are generally solved by one of the following:

1. Updating the graphics driver to the latest version produced by the card manufacturer. Graphics drivers can be obtained from the card manufacturer's website.
2. Running the card at the highest possible color setting. Problems are more frequent at lower color settings because the driver has to do more work to convert desired colors to the limited range available.
3. Turning off the use of optimizations within Lumen Designer. To do this, make sure that Lumen Designer is NOT running. Run the LTI Customer Support Utility (accessed under Programs...Lighting Technologies). Click the 'System Info' button and deselect Designer's use of the hardware acceleration. Close the Utility and run Lumen Designer.
4.
Turning down or off driver optimization (acceleration) settings. These settings are generally accessed via the Advanced button described in the graphics display settings dialog. There is usually a tab labeled Troubleshooting (a label curiously indicating the settings can lead to trouble).

In many cases, all of our graphics functionality works as it should with the card optimizations set to full when the graphics driver is up to date and the color setting is set to the highest level. But this is not the case for all types of graphics cards and can even vary for different card models within the same product family. In some cases where turning off the driver optimizations is the only solution other software can be negatively affected. In order to solve this problem, Lumen Designer now includes the ability to turn off the card optimizations and card double buffering within the program’s own INI file, thus isolating the setting to Lumen Designer.

Graphics cards and drivers are in a constant state of change, which makes it impossible for us to guaranty full compatibility with any particular product. Given the current state of affairs in the graphics industry, the best recommendations we can offer are to choose the most common cards available since these will be the cards we are most likely to orient our software towards. At this time, the nVIDIA GeForce product line is quite common and in use on many of the computers at Lighting Technologies. Note however, that even within this product line the same software behaves differently on different card/driver combinations. Nonetheless, this is still a product line that we consider safe to work within since we have good success with many of the products within it. The nVIDIA Quadro cards are a higher end card set for which we have seen more difficulties. Without the proper driver settings, our software will generally crash as soon as a CAD view is used. See the FAQ for this particular card for instructions on how it should be configured.

Q: nVIDIA Quadro graphics card recommendations:

A: There are 2 possible configuration options that allow this card to work with Designer. If the card is not configured with one of these options, then Designer is likely to crash as soon as anything is done in a CAD view.

1. The first option is the preferred method. This involves setting the card's Custom OpenGL settings to be compatible with SolidWorks™. Even if you are using a different CAD program, this setting seems to be compatible with most other CAD software as well as Designer. To do this, follow these steps: Start menu -> Settings -> Control Panel -> Display Properties -> Settings tab -> Advanced button -> This brings up a new dialog with 6 tabs. They are General, Adapter, Monitor, Troubleshoot, Color Management & Quadro. Select the Quadro tab. An additional window should pop up to the left of the dialog. Select the “Additional OpenGL Settings” link. Now at the bottom of the main dialog with the Quadro tab, you should see an option labeled Custom OpenGL Application Settings. Select SolidWorks™ from the drop down list. If you do not see the “Additional OpenGL Settings” link on the pop up window, then you have a newer driver version with a different interface. In this case, select for the “Performance & Quality Settings” link. Then select SolidWorks™ from the Active Profile drop down list in the Quadro tab of the main dialog.

2. The second option is to turn off the card optimizations for Designer. Using the Lighting Technoloiges' Customer Support Utility (located via Start -> Programs -> Lighting Technologies), click on the System Info button. At the bottom of the screen, uncheck the two check boxes regarding graphics card accelerations/optimizations. Close the Utility and run Designer.

 

 

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