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[BUG-11561] Mesh uploads have incorrectd switch points #1732

Open sl-service-account opened 8 years ago

sl-service-account commented 8 years ago

Steps to Reproduce

Uploading

Actual Behavior

I uploaded a mesh and the LOD changes at incorrect distances.

The two pillars shown in the photo are absolutely identical, except the one to the right was laid horixonatlly before uplaoding then rotated back into position afterwards. The one to the left was uploaded as it is.

The difference in LDO is so big that one has switched to low LOD at a distance the other one is still at high.

This is a known bug for meshes with four or five material faces of course but the one here has only three and shouldn't have been affected.

Expected Behavior

I actually expected the mesh to be displayed correctly.

Other information

Please do not ask me for more information or anything like that. I post this JIRA only for the sake of formality. I know from experience you'll never ever going to fix it and I'm not going to waste more time on it.

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Original Jira Fields | Field | Value | | ------------- | ------------- | | Issue | BUG-11561 | | Summary | Mesh uploads have incorrectd switch points | | Type | Bug | | Priority | Unset | | Status | Accepted | | Resolution | Accepted | | Reporter | ChinRey (chinrey) | | Created at | 2016-03-12T17:54:51Z | | Updated at | 2016-10-03T22:43:05Z | ``` { 'Business Unit': ['Platform'], 'Date of First Response': '2016-03-12T14:36:53.276-0600', "Is there anything you'd like to add?": "Please do not ask me for more information or anything like that. I post this JIRA only for the sake of formality. I know from experience you'll never ever going to fix it and I'm not going to waste more time on it.", 'ReOpened Count': 0.0, 'Severity': 'Unset', 'System': 'SL Viewer', 'Target Viewer Version': 'viewer-development', 'What just happened?': 'I uploaded a mesh and the LOD changes at incorrect distances.\r\n\r\nThe two pillars shown in the photo are absolutely identical, except the one to the right was laid horixonatlly before uplaoding then rotated back into position afterwards. The one to the left was uploaded as it is.\r\n\r\nThe difference in LDO is so big that one has switched to low LOD at a distance the other one is still at high.', 'What were you doing when it happened?': 'Uploading', 'What were you expecting to happen instead?': 'I actually expected the mesh to be displayed correctly.', } ```
sl-service-account commented 8 years ago

Whirly Fizzle commented at 2016-03-12T20:36:53Z

Looks like the same bug as BUG-6287? The info on that issue indicates that mesh with 3 materials (or 4 materials) is affected by the bug.

Whirly Fizzle added a comment - 16/Jul/14 9:47 PM

Info provided by Drongle McMahon:

This bug came up again on http://community.secondlife.com/t5/Mesh/number-of-faces-affects-LOD-inworld-example-included/m-p/2777696/ and RedPoly Inventor remembered the old bug VWR-27992. Briefly, you get the z-axis ignored only if there are 3 or 4 (not 1, 2, 5 or 6; 7 and 8 not tested I think) materials. ChinRey the said his examples did contain three materials. So it probably is reproducible, and it probably is VWR-27992.

VWR-27992 has been moved to MAINT-612 and we cannot see this issue.

MAINT-612 can be seen in the archive though https://lists.secondlife.com/pipermail/jira-notify/2011-December/315512.html