{"action":"created","issue":{"url":"https://api.github.com/repos/phetsims/neuron/issues/108","labels_url":"https://api.github.com/repos/phetsims/neuron/issues/108/labels{/name}","comments_url":"https://api.github.com/repos/phetsims/neuron/issues/108/comments","events_url":"https://api.github.com/repos/phetsims/neuron/issues/108/events","html_url":"https://github.com/phetsims/neuron/issues/108","id":124024907,"number":108,"title":"Neuron disappears in IE11 with Win 8","user":{"login":"amyh-phet","id":13650180,"avatar_url":"https://avatars.githubusercontent.com/u/13650180?v=3","gravatar_id":"","url":"https://api.github.com/users/amyh-phet","html_url":"https://github.com/amyh-phet","followers_url":"https://api.github.com/users/amyh-phet/followers","following_url":"https://api.github.com/users/amyh-phet/following{/other_user}","gists_url":"https://api.github.com/users/amyh-phet/gists{/gist_id}","starred_url":"https://api.github.com/users/amyh-phet/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/amyh-phet/subscriptions","organizations_url":"https://api.github.com/users/amyh-phet/orgs","repos_url":"https://api.github.com/users/amyh-phet/repos","events_url":"https://api.github.com/users/amyh-phet/events{/privacy}","received_events_url":"https://api.github.com/users/amyh-phet/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":{"login":"amyh-phet","id":13650180,"avatar_url":"https://avatars.githubusercontent.com/u/13650180?v=3","gravatar_id":"","url":"https://api.github.com/users/amyh-phet","html_url":"https://github.com/amyh-phet","followers_url":"https://api.github.com/users/amyh-phet/followers","following_url":"https://api.github.com/users/amyh-phet/following{/other_user}","gists_url":"https://api.github.com/users/amyh-phet/gists{/gist_id}","starred_url":"https://api.github.com/users/amyh-phet/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/amyh-phet/subscriptions","organizations_url":"https://api.github.com/users/amyh-phet/orgs","repos_url":"https://api.github.com/users/amyh-phet/repos","events_url":"https://api.github.com/users/amyh-phet/events{/privacy}","received_events_url":"https://api.github.com/users/amyh-phet/received_events","type":"User","site_admin":false},"milestone":null,"comments":3,"created_at":"2015-12-28T06:36:11Z","updated_at":"2015-12-29T16:05:41Z","closed_at":null,"body":"This event occurred twice while i was testing on IE11 on Win8.  When trying to figure out exactly what I did to cause this event, I also had IE crash 3 times.   I think the problem occurred when I used the zoom  slider after rewinding the potential chart and then clearing the chart.   \r\n![neuron_bug-12_28](https://cloud.githubusercontent.com/assets/13650180/12014968/79e4375c-acf2-11e5-870b-f9719b34e671.png)\r\n\r\nI haven't been able to nail down an exact sequence of steps to reproduce the problem.   Using the refresh button did not fix the issue.\r\n\r\n![neuron_bug_after_refresh](https://cloud.githubusercontent.com/assets/13650180/12014973/95c3bd3a-acf2-11e5-8b1b-3e6b6835b787.png)\r\n\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/phetsims/neuron/issues/comments/167820970","html_url":"https://github.com/phetsims/neuron/issues/108#issuecomment-167820970","issue_url":"https://api.github.com/repos/phetsims/neuron/issues/108","id":167820970,"user":{"login":"amyh-phet","id":13650180,"avatar_url":"https://avatars.githubusercontent.com/u/13650180?v=3","gravatar_id":"","url":"https://api.github.com/users/amyh-phet","html_url":"https://github.com/amyh-phet","followers_url":"https://api.github.com/users/amyh-phet/followers","following_url":"https://api.github.com/users/amyh-phet/following{/other_user}","gists_url":"https://api.github.com/users/amyh-phet/gists{/gist_id}","starred_url":"https://api.github.com/users/amyh-phet/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/amyh-phet/subscriptions","organizations_url":"https://api.github.com/users/amyh-phet/orgs","repos_url":"https://api.github.com/users/amyh-phet/repos","events_url":"https://api.github.com/users/amyh-phet/events{/privacy}","received_events_url":"https://api.github.com/users/amyh-phet/received_events","type":"User","site_admin":false},"created_at":"2015-12-29T16:05:41Z","updated_at":"2015-12-29T16:05:41Z","body":"Test device: Dell XPS 9343 laptop computer (product ID: 00258-61989-74402-AAOEM\r\n\r\nOperating System: Windows 8.1\r\n\r\nBrowser: IE 11.0.9600.18125\r\n\r\nProblem description:\r\n\r\nSteps to reproduce: Check on All Ions, Charges, Concentration and Potential Chart.   Stimulate neuron and allow action potential to occur.  Pause sim and rewind by dragging bar on Potential Chart to left.  Press play button and use slider to zoom in on neuron while action potential is generated.  \r\n\r\nSeverity: Neuron does not always disappear.  More often, IE crashes and I have to restart the browser and sim.\r\n\r\nScreenshots:\r\n![screenshot 3](https://cloud.githubusercontent.com/assets/13650180/12037045/954b8f92-ae08-11e5-81bf-d2e8db3975b3.png)\r\n![screenshot 4](https://cloud.githubusercontent.com/assets/13650180/12037046/954ef8ee-ae08-11e5-9558-d4f43ba589e0.png)\r\n\r\n\r\nTroubleshooting information (do not edit):\r\n  \r\nName: ‪Neuron‬\r\n\r\nURL: http://www.colorado.edu/physics/phet/dev/html/neuron/1.0.0-rc.1/neuron_en.html\r\n\r\nVersion: 1.0.0-rc.1 2015-12-22 23:06:19 UTC\r\n\r\nFeatures missing: touch, fullscreen\r\n\r\nFlags: pointerEnabled, msPointerEnabled, pixelRatioScaling\r\n\r\nUser Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; Touch; .NET4.0E; .NET4.0C; .NET CLR 3.5.30729; .NET CLR 2.0.50727; .NET CLR 3.0.30729; Tablet PC 2.0; McAfee; InfoPath.3; GWX:DOWNLOADED; rv:11.0) like Gecko\r\n\r\nLanguage: en-US\r\n\r\nWindow: 1280x637\r\n\r\nPixel Ratio: 2.5/1\r\n\r\nWebGL: WebGL 0.94\r\n\r\nGLSL: WebGL GLSL ES 0.94\r\n\r\nVendor: Microsoft (Internet Explorer)\r\n\r\nVertex: attribs: 16 varying: 15 uniform: 512\r\n\r\nTexture: size: 16384 imageUnits: 16 (vertex: 16, combined: 32)\r\n\r\nMax viewport: 16384x16384\r\n\r\nOES_texture_float: true\r\n\r\nDependencies JSON: {\"assert\":{\"sha\":\"d4909677\",\"branch\":\"HEAD\"},\"axon\":{\"sha\":\"6f3c2e01\",\"branch\":\"HEAD\"},\"babel\":{\"sha\":\"9618fad2\",\"branch\":\"master\"},\"brand\":{\"sha\":\"c9282935\",\"branch\":\"HEAD\"},\"chipper\":{\"sha\":\"1d1d5d32\",\"branch\":\"HEAD\"},\"dot\":{\"sha\":\"7a28b1a9\",\"branch\":\"HEAD\"},\"griddle\":{\"sha\":\"3adb78bd\",\"branch\":\"HEAD\"},\"joist\":{\"sha\":\"191b15a4\",\"branch\":\"HEAD\"},\"kite\":{\"sha\":\"4a947119\",\"branch\":\"HEAD\"},\"neuron\":{\"sha\":\"3b7eee9d\",\"branch\":\"HEAD\"},\"phet-core\":{\"sha\":\"73a034c6\",\"branch\":\"HEAD\"},\"phetcommon\":{\"sha\":\"d712ace0\",\"branch\":\"HEAD\"},\"scenery\":{\"sha\":\"47143cdd\",\"branch\":\"HEAD\"},\"scenery-phet\":{\"sha\":\"a7f975d1\",\"branch\":\"HEAD\"},\"sherpa\":{\"sha\":\"be8c4fc9\",\"branch\":\"HEAD\"},\"sun\":{\"sha\":\"64555735\",\"branch\":\"HEAD\"},\"tandem\":{\"sha\":\"07fbe58c\",\"branch\":\"HEAD\"}}"}}