BUG #1770: Display meshfill template elements through renderTemplate.

[danlipsa]

This deletes some displays which reduces memory leaks.

[danlipsa]

Baselines in
CDAT/uvcdat-testdata#146

[danlipsa]

@doutriaux1 @aashish24 @chaosphere2112 Please review.
A question for uvcdat old-timers: Why is template.plot (and maybe other parts of the code) storing stuff in vcs.elements? I printed vcs.elements before and after doing a plot:
display is decreased from 8 to 2.

Before calling Canvas.plot

list: 28
projection: 10
texttable: 9
textorientation: 63
textcombined: 0
line: 17
marker: 9
fillarea: 1
font: 16
fontNumber: 16
boxfill: 9
isofill: 9
isoline: 9
meshfill: 7
3d_scalar: 2
3d_dual_scalar: 1
3d_vector: 1
template: 77
taylordiagram: 1
1d: 13
vector: 1
yxvsx: 1
xyvsy: 1
xvsy: 1
scatter: 1
colormap: 22
display: 1

After calling plot with my fix:

list: 28
projection: 10
texttable: 21
textorientation: 75
textcombined: 12
line: 17
marker: 9
fillarea: 1
font: 16
fontNumber: 16
boxfill: 9
isofill: 9
isoline: 9
meshfill: 8
3d_scalar: 2
3d_dual_scalar: 1
3d_vector: 1
template: 77
taylordiagram: 1
1d: 13
vector: 1
yxvsx: 1
xyvsy: 1
xvsy: 1
scatter: 1
colormap: 22
display: 2

After calling plot without my fix:

list: 28
projection: 10
texttable: 21
textorientation: 75
textcombined: 12
line: 17
marker: 9
fillarea: 1
font: 16
fontNumber: 16
boxfill: 9
isofill: 9
isoline: 9
meshfill: 8
3d_scalar: 2
3d_dual_scalar: 1
3d_vector: 1
template: 77
taylordiagram: 1
1d: 13
vector: 1
yxvsx: 1
xyvsy: 1
xvsy: 1
scatter: 1
colormap: 22
display: 8

[danlipsa]

Note texttable, textorientation, textcombined are increasing and also display is at 2 not at 1.

[chaosphere2112]

@danlipsa This is the memory leak I referred to in @durack1's issues. @doutriaux1 was going to take a look at it

[durack1]

@danlipsa #1424 is what @chaosphere2112 was talking about.. I'd be more than happy to kick the tires on a branch here, my plot slowdowns and memory usage (~100GB for a ~6800 loop) is pretty extreme

[kwrobot]

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[sankhesh]

Do: test

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[danlipsa]

@doutriaux1 @aashish24 This has been ready for a while. Please review.
https://open.cdash.org/viewTest.php?onlyfailed&buildid=4463184

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[danlipsa]

Do: test

[kwrobot]

Testing commands handed to buildbot.

Branch-at: 3873bdc

[kwrobot]

Your merge request has been queued for testing. You may view the test results on CDash or Buildbot.

Branch-at: 3873bdc

[danlipsa]

@sankhesh buildbot does not seem to pickup uvcdat-testdata. I know it should be done by make, but it does not seem to happen in the latest cdath results on this PR. Is there a way to see the SHA for the test data?

[doutriaux1]

@danlipsa I have a lot of failed tests due to image sizes being different on my mac see: https://open.cdash.org/viewTest.php?onlyfailed&buildid=4475287

Some of them are due to conda env not being activated properly (I think it is because I was also messing with my conda envs as I was running the test suite)

[doutriaux1]

anyway issues not related to your changes so merged.