Precision of GVEC for microgravity

[rmcdermo]

Glenn,
In the attached input file when the GVEC(3) goes from -1E-04 to 1E-05 the SMV image flips on its side. If GVEC(3)=0, the image is again correct. I suspect there is a precision issue in the logic.
BRE50_Test_1_1mm.fds.txt

Here is the result with GVEC(3)= -1E-05 (incorrect):

Here is the result with GVEC(3)= -1E-04 (correct):

[gforney]

I'll take a look

[gforney]

I haven't identified the problem but a work around until I do is to

1. open up Motion/View/Render dialog box
2. open Motion tab then click on Orientation
3. click on "z vector up" button
4. click on Save settings button
   It should then open up correctly from now on. Clicking on Gravity vector down button should have worked - need to figure out why it didn't

[gforney]

try smokeview here. I was computing an elevation and azimuth angle from the g vector. I needed to normalize it before doing the trig - the trig functions didn't like the small numbers

https://drive.google.com/drive/folders/0B_wB1pJL2bFQc1F4cjJWY2duWTA?usp=sharing

[rmcdermo]

Looks like you bundled the wrong exe again.

[rmcdermo]

Works now. Thanks