Possibly a bug in the order layers are drawn in? Alpha blending requires specific draw orders to get good results. Top-down requires one order, bottom-up another
On Sat, 2014-08-16 at 22:13 -0500, Jason Whiteman wrote: > In my unreleased (due to incomplete status of the entirety of changes > I was working) soldermask arbitrary color / silkscreen arbitrary color > enhancement - I noticed that the soldermask bottom side obstructed > traces so I had to adjust the transparency until both sides were > balanced. I didn't spend much time trying to determine what the root > cause was - but did verify that layers were balanced and I added > lighting to try to change the behavior with no reasonable results > whereas transparency seemed to fix whatever the root cause was. > > > I cannot get to the build server at the moment but would be happy to > trade notes. > > > Regards, > Jason > > > > > On Sat, Aug 16, 2014 at 9:50 PM, Andrew Zonenberg > <azonenb...@drawersteak.com> wrote: > Testing your patch against latest BZR kicad with latest wx > from SVN on > Debian 7 amd64, GTX 460m with binary nvidia drivers. Board is > 4 layers. > > The board looks fine as seen from the top > (http://i.imgur.com/jv4Rfvg.png). Purple color is intentional, > I was > trying to make it look like the OSHpark standard process. > > On the bottom (http://i.imgur.com/HrKT2Em.png long shot, > http://i.imgur.com/9CMyI4X.png closeup) there are a few > issues: > > 1) The vias under the QFN should go all the way through the > board but > they appear "plugged" by copper in the underside view. > > 2) Bottom-side traces have very low contrast and are nearly > invisible. > Top-side traces look fine. > > I also have intermittent issues with what seems to be bad > normals > calculated for some 3D models. Not sure if this is a bug in my > parallelization of normal calculation or in your original code > but it's > worth investigating; I haven't had time to poke around with it > too much. > > On Sat, 2014-08-16 at 22:45 +0000, Mário Luzeiro wrote: > > Hi all, > > I implemented some new (old wishes) improvements to > 3D-Viewer. > > Also, the overall render was improved. > > > > All changes related with 3D-Viewer: > > - Remove HightQualityMode (now is remove holes option) > > + Render smooth option > > + Render shadow option > > + Render textures option > > + Render remove holes option (old highQualityMode) > > + Render materials option > > + Color option background top > > + Color option background bottom > > + Color option copper > > + Color option solder mask > > + Auto silk screen color (white or black) > > Rearrange menu options > > New pcb and silk textures > > Fix an issue related with wx3 selection grid > > Fix an issue related with wx3/x3d parser VRML conversion > > > > Dear humans merger masters, would you mind to add this patch > to main branch?! > > Sorry for any miss coding style (I had problems before with > tabs vs spaces, hope that is a bit more fixed now..) > > The patch is against the very last repository version so > should be just automerge it. > > > > Thank you! > > > > Mario Luzeiro > > _______________________________________________ Mailing > list: https://launchpad.net/~kicad-developers Post to : > kicad-developers@lists.launchpad.net Unsubscribe : > https://launchpad.net/~kicad-developers More help : > https://help.launchpad.net/ListHelp > > -- > Andrew Zonenberg > PhD student, security group > Computer Science Department > Rensselaer Polytechnic Institute > http://colossus.cs.rpi.edu/~azonenberg/ > > _______________________________________________ > Mailing list: https://launchpad.net/~kicad-developers > Post to : kicad-developers@lists.launchpad.net > Unsubscribe : https://launchpad.net/~kicad-developers > More help : https://help.launchpad.net/ListHelp > > > -- Andrew Zonenberg PhD student, security group Computer Science Department Rensselaer Polytechnic Institute http://colossus.cs.rpi.edu/~azonenberg/
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