Update 2020-09-03: Spider gbXML Viewer 2020-09-03 - One step back two steps forward!

[theo-armour]

@GreenBuildingXML/core

https://www.ladybug.tools/spider-2020/spider-gbxml-viewer/

After many days trying to fix issues with XML to JSON, we gave up. There were two deal killers:

• The trick used to speed up the gbXML pasrsin inevitably failed in some instances. After days trying to figure out where the error occurred, I think I have to place the blame on some issue deep down in the Three.js code - in a place far deeper than my skill level allows me to deal with.
• The gbXML to JSON conversion as currently implemented simply takes too much time.

Because of these two issues. I decided to revert to code more similar to that in SGV r17.

But no sooner had I started the revert, I discovered all sorts of neat trick to add speed, simplicity and robustness. After a number of days away from XML, I cam back to it with a new sense of an ability to hack it and play with it.