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Showing results for tags 'lumens'.
Hello, I am attempting to model some fixtures by a manufacturer using their IES files and finding that the light output in FQRW is highly unrealistic. Fixtures don't read at all until I manually set the lumen output to north of 2500 lumens (the environment being a very small office). The IES contained within has a lumen value of 261, which should read fine in a small environment. I currently have the Emitter in Lighting Options set to around 1,400% based on another thread I looked at, but am hoping there is a way to get more lumen-realistic output with these fixtures set at 100% so that I can provide the manufacturer with renders that even somewhat realistically reflect the actual light output of his fixtures. Any thoughts on how I can work these spotlight fixtures to create renders that are accurate to the actual details of the fixture/IES file and not just dialed in by eye? The biggest reason for this is that the manufacturer and I work remotely from each other and I don't always have the chance to use his new products in real life to get a visual sense of how bright they are in space and would love to rely on the data in the IES. Thank You! Office.vwx
Why can't VW use IES files to calculate foot-candles using the photometric grid? It can import IES files and use them to create lighting instruments the can be used for renderings, why can't it access that data and show us what it is "seeing"? Architectural lighting is an industry in need of disruption. VW should be that disruptor. AGI32 is clunky at best and crashes all the time. It can't be that hard to take IES files and use them to calc grids. Speaking of which, why can't you place calc grids on surfaces other than the "floor"? What if I wanted to see how bright a wall or backdrop was going to be?