I have copies in my email archives as 480x480: https://www.dropbox.com/s/s47txe4qnpfvi60/taverna-wheel-large.png?dl=0
and also as EPS (Illustrator) format: https://www.dropbox.com/s/6lu842ighnj92lr/taverna-wheel.eps?dl=0. I think the EPS should be a scalable vector format. regards, Stuart. On 05/09/18 12:07, Stian Soiland-Reyes wrote: > Hi, > > The ASF Community folks were asking for SVG or high-res versions of > product logos, and I realized Taverna didn't really have one, as we only > have a 256x256 PNG: > > https://taverna.incubator.apache.org/img/taverna-logo-256x256.png > > For years I have been looking for the original vector version of our > logo, but this is the best I've found so far. Anyone else have > something in their email archives..? > > > A bitmap format like PNG is bad because it can't scale well with web > pages, particularly relevant for mobile/tablet phones or if scaled up on > a poster printout. A vector format like SVG should be preferable and is > now supported in all major browsers. > > > Now I had a quick trace of the png in Inkscape and managed to come up with: > > http://taverna.staging.apache.org/img/apache-taverna-logo.svg > > > Comments? > > > Vectorizing by tracing the bitmap is a bit of cheating, so you will > notice this file is actually larger in file size (216 kB) than the PNG > (72 kB). This is basically the coastline measuring paradox. If I click > "Simplify" in Inkscape I can reduce the details to a managable 32 kB, > but then the cogs turn into wobbly circles! > > > Here you can see what the svg might look like used in larger size: > > http://taverna.staging.apache.org/ > > > Try zooming in on a high-res tablet or screen to check the details. > > For comparison if we use the old PNG: > > http://taverna.staging.apache.org/tmp/logo-png.html > > or even a PNG (56 kB) exported from the new SVG > > http://taverna.staging.apache.org/tmp/logo-png2.html > > .. then we see a clear difference in the SVG. For the logo in the top > corner there is practically no visual difference as it's so tiny. > > > Comparing the SVG with the original PNG will show information lost in > the trace, e.g. the inner edges of the cog. > > An alternative might be to try to recreate some cogs in Inkscape or > Adobe Illustrator, this should bring back the details and probably > shrink the SVG size. But that would take more time... any volunteers? > > > I've updated the banner which should then be better for print: > http://taverna.staging.apache.org/img/apache-taverna-banner.svg > > I've not played with removing the gradient to a single-color, that can > reduce file size, but makes it harder to pick the right orange.. > > > What do you think? Just keep the SVG as a side-resource for anyone > interested? >
