Hello!
I have been trying to extract stagnation line data from my solution and have run into an issue with the stagnation line being in the left half plane. I have found a workaround (see bottom), but it took some time to work out why it wasn't working with the -l format.
X coordinate
The case geometry is similar to that of the Phoebus Capsule example. The stagnation point is at (0.0,0.0), and the start of the domain is at (-0.06,0.0).
When any negative x coordinate is passed to either of the two commands, it is flipped to its absolute value. When e.g. (0.03,0.1) is passed, it works fine.
~/feeder$ lmr probe-flow -l "-0.06,0.0,0.0" -v -v -v -v -v
lmr probe-flow: Begin program.
lmr probe-flow: Probing flow field.
lmr probe-flow: Probing flow field for snapshot 0010.
---
snapshot: 0010
lmr probe-flow: Probing flow field at location [0.06,0,0]
pointdata:
- x: -0.000299642
y: 0.000419197
z: nil
etc...
Y coordinate
While my flow domain doesn't include any of the lower half plane, I did try probing that region and the command worked as expected.
~/feeder$ lmr probe-flow -l "0.034319,-0.1,0.0" -v -v -v
lmr probe-flow: Begin program.
lmr probe-flow: Probing flow field.
lmr probe-flow: Probing flow field for snapshot 0010.
---
snapshot: 0010
lmr probe-flow: Probing flow field at location [0.034319,-0.1,0]
pointdata:
- x: -0.000299642
y: 0.000419197
z: nil
etc...
This behaviour makes me wonder if the leading hyphen in the command is being stripped as if it were an option.
Long form of the option (--location=... instead of -l ...)
This worked fine.
~/feeder$ lmr probe-flow --location="-0.06,0.0,0.0" -v -v -v
lmr probe-flow: Begin program.
lmr probe-flow: Probing flow field.
lmr probe-flow: Probing flow field for snapshot 0010.
---
snapshot: 0010
lmr probe-flow: Probing flow field at location [-0.06,0,0]
pointdata:
- x: -0.0596995
y: 0.000606361
z: nil
etc...
Hello!
I have been trying to extract stagnation line data from my solution and have run into an issue with the stagnation line being in the left half plane. I have found a workaround (see bottom), but it took some time to work out why it wasn't working with the
-lformat.X coordinate
The case geometry is similar to that of the Phoebus Capsule example. The stagnation point is at
(0.0,0.0), and the start of the domain is at(-0.06,0.0).When any negative x coordinate is passed to either of the two commands, it is flipped to its absolute value. When e.g.
(0.03,0.1)is passed, it works fine.Y coordinate
While my flow domain doesn't include any of the lower half plane, I did try probing that region and the command worked as expected.
This behaviour makes me wonder if the leading hyphen in the command is being stripped as if it were an option.
Long form of the option (
--location=...instead of-l ...)This worked fine.