Accessor cache using CeslumAsync::SqliteCache #666
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No UI for maxiumum cache items yet.
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I did some benchmarking with this USDA results: First load, clear cache: 74 seconds, 116mb downloaded Appears to be working as expected. I do notice a rather large hang (~10-20 seconds) when I hit Reload all Tilesets in Cesium Debugging UI (this is what I'm doing to trigger a reload). This isn't unique to this branch, and I suspect it has something to do with unloading all of the tileset resources before it begins reloaded. Point is, if we ignore the hang, the actual loading of the cached data goes down to ~24 seconds. |
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Experimented here with the clear cache functionality, it appears to be working well! See the results below - times with the red dash were after clearing cache, the rest are a reload from cached data. Looking quite consistent.
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Similar tests with Google Photorealistic 3D tiles
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The powertools extension is for our internal use and isn't included in the release zip, so if we expect users to be able to modify the cache settings it needs to move into the main cesium.omniverse extension. @r-veenstra would you have a recommended spot there?
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@timoore @lilleyse I'm thinking a small settings button could live here:
To get what i have in my image, replace line 191 in main_window.py with below
with ui.HStack(height=24, spacing=3):
self._profile_widget = CesiumOmniverseProfileWidget(self._cesium_omniverse_interface, height=20)
self._add_button = ui.Button(
"",
image_url=f"{self._icon_path}/FontAwesome/plus-solid.png",
style=CesiumOmniverseUiStyles.setting_button_style,
enabled=True,
width=24
)
And add this to styles.py
setting_button_style = {
"Button": {"padding": 0.0, "stack_direction": Direction.TOP_TO_BOTTOM, "margin": 0},
"Button.Image": {
"alignment": Alignment.CENTER,
},
"Button.Label": {"alignment": Alignment.CENTER_BOTTOM},
"Button.Image:disabled": {"color": cl("#808080")},
"Button.Label:disabled": {"color": cl("#808080")},
}
The FA gear icon would be ok to use I think https://fontawesome.com/icons/gear?f=classic&s=solid
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I have no problem with adding a settings button up there and having the cache parameters window evolve into a settings window. But are settings any less important than "Token", "Learn", and "Help"? What do you think about moving "Token" to the same settings window as the cache, and / or combining Learn, Help, and Settings into an "other" menu?
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@timoore I think we'd want to keep Token settings separate, as the are configured and stored per USD. I think we want to keep persistent extension settings separate.
It also introduces UI inconsistency across our runtimes, where the goal has been to keep the UI similar across Unity / Unreal / Omniverse.
You know, I just had another (and probably easier) thought. Let's just add another entry here:
Something like Cesium Settings or Cesium Extension Settings.
That way we don't need to touch any existing UI.
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@timoore could you update |
FilesystemUtil has functions for getting the user's home directory and the preferred directory for a cache. Change Context setup code to use these new functions.
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I added this to |
The window is accessable from the same menu as the other Cesium windows.
Addresses #650.
This builds on #634, which needs to be merged first.