FAQ - Frequently Asked Questions

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FAQ - Frequently Asked Questions

This section contains a list of questions commonly asked by users. The questions are organized by categories. You can find the answer to each question by clicking on the question, or the category that the question is in.

What is McIDAS-V?

Is McIDAS-V still under development?

What do I do if McIDAS-V will not work on my computer?

Where are the McIDAS-V files stored on my computer?

How can I tell if McIDAS-V is busy doing something?

How can I save a display?

How can I change the start-up settings?

How can I change the amount of memory available to McIDAS-V?

How can I reset the map projections?

How can I set the default projection?

How can I change the color table range of a displayed parameter?

When I set a color table transparent, why doesn't it show up that way?

When I load an image, why is it displayed with fewer colors than I expect?

When I load an image, why does it appear pixelated (blocky)?

How do I change which maps are displayed by default?

What do I do if McIDAS-V will not start from an icon on macOS?

What is Fast Rendering and when should I use it?

What is the difference between the Standard Atmosphere and Vis5D pressure to height conversion?

Why do I get an error when I try to load radar data that I downloaded from NCEI?

When I try to read in my GRIB data, why do I get an ucar.grib.NotSupportedException?

How are grids resampled in McIDAS-V?

Why can't I create a time series from single time grids?

How do I create a time series from individual grid files with different time steps?

What are the wind speed thresholds for different wind barbs?

Do I need a special video card to run McIDAS-V?

Why does the display go gray or get corrupted when I resize my McIDAS-V display?

If I'm having problems with the OpenGL version under Windows, can I run the Direct-X version Java 3D?

Common Installation Errors

How do I get around a security error when installing McIDAS-V on my 10.8 OSX machine?

What do I do if I am told to upgrade JDK when installing McIDAS-V?

How do I solve write permissions errors on OSX?

How do I solve shortcut permissions errors on OSX?

Common Run-Time Errors

Why do I see 'Local servers cannot write to userpath:' errors when starting McIDAS-V?

What do I do if I get a 'Could not create a graphics configuration' error?

What do I do if I get 'JAVA 3D Error: GLX extension is not supported' and 'Could not create a graphics configuration' errors?

What do I do if I see 'Connection refused' or 'No public datasets found' errors when connecting to the listed data servers?

Why am I having drawing problems on Monitor2 of a two-monitor system?

Why is there no map drawn in the McIDAS-V Main Display window?

How do I fix the spurious map lines in my Main Display window?

Why do my images display blank (black or white) when there should be valid data?

Why do I get an error that starts something like "Unexpected Signal : 11 occurred at PC=0x6F79CE1" when starting McIDAS-V under Linux?

Why am I am seeing a "Canvas3D: Non-recoverable graphics configuration error" when starting McIDAS-V on my Windows 64-bit machine?

Reporting Problems

What kind of support is provided for McIDAS-V?

How do I report problems?

How do I open the Error Logs Console?

What do I do if McIDAS-V is locked up and not responding?

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