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Canvas troubleshooting: Difference between revisions
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→Tracking update frequency per Canvas/Element
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=== Tracking update frequency per Canvas/Element === | === Tracking update frequency per Canvas/Element === | ||
This is intended to help people better understand how frequently a Canvas is being updated, which happens automatically once a property in the sub-tree is modified (usually involving timers and listeners): | This is intended to help people better understand how frequently a Canvas is being updated, which happens automatically once a property in the sub-tree is modified (usually involving timers and listeners): | ||
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=== Tracking update/rendering duration per Canvas/Element === | |||
This is a fairly useful thing to do, while also being pretty easy - all that is needed are two SimGear classes: | |||
* PropertyObject<> | |||
* SGTimeStamp | |||
These two can be used to time the duration of each method invocation and automatically write it to the property tree. Which in turn can then be viewed/processed by the property browser and/or Nasal respectively to identify comparatively expensive canvas elements/groups. | |||
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