Thanks Ronni
It all works now.
Regards Bill

On Sat, Mar 9, 2019 at 12:56 PM Ronni Brown <[email protected]> wrote:

> Hi Bill,
>
> You enabled WebGL2.0 following my previous instructions?
> If so & WebGL2.0 is not compatible.
>
> Download *Safari Technology Preview* and try the site as a test.
>
> Safari Technology Preview is a self standing developer version of Safari
> with some advanced features.
>
> Bookmarks will be automatically imported. Other preference options will
> remain default.
>
> After testing, you can remove it from Applications folder if you wish.
>
>
> <https://developer.apple.com/safari/technology-preview/>
>
> Safari Tech. Preview (12.1) indeed supports sufficient WebGL functionality!
>
> Regards,
> Ronni
>
>
>  Ronni Brown’s iPad Pro 12.9-inch 256GB
>
>
> On 9 Mar 2019, at 9:32 am, Juliet Kitson <[email protected]> wrote:
>
> Thanks Ronni I am using heavens above ISS tracker but when I try to use 3D
> interactive part I get this message Sorry, your computer/browser do not
> support WebGL, so guess I need to upgrade to something else.
> Regards Bill
>
> On Fri, Mar 8, 2019 at 7:10 PM Ronni Brown <[email protected]> wrote:
>
>> Hi Bill,
>>
>> 1. Enable Develop menu.
>>
>> https://support.apple.com/guide/safari/use-the-developer-tools-in-the-develop-me
>> nu-sfri20948/mac
>> <https://support.apple.com/guide/safari/use-the-developer-tools-in-the-develop-menu-sfri20948/mac>
>>
>>
>> 2. Click Develop in the menu bar.
>>
>>
>> Experimental Features > WebGL 2.0
>>
>>
>> Click on WebGL 2.0 to enable it.
>> https://discussions.apple.com/thread/8655829
>>
>> Or Try google search <Heaven above ISS tracker for Mac or iOS?>
>>
>> *Download Sky Live*: Heavens Above Viewer and enjoy it on
>> your iPhone, iPad and iPod touch. ... astronomical events and tell you
>> what's going on in the sky over your location at the moment, e.g. ISS flyby
>> or bright ...
>> Sky Live: Heavens Above Viewer
>> <https://itunes.apple.com/ca/app/sky-live-heavens-above-viewer/id693905898?mt=8>
>>
>> <https://itunes.apple.com/ca/app/sky-live-heavens-above-viewer/id693905898?mt=8>
>>
>>
>>
>> Kind regards,
>> Ronni
>>
>>  Ronni Brown’s iPad Pro 12.9-inch 256GB
>>
>>
>> On 8 Mar 2019, at 1:02 pm, Juliet Kitson <[email protected]> wrote:
>>
>> Hello All
>> I am using Heaven above ISS tracker part of it informs me my computer
>> does not support WEBGL does any one what this and how do get it.
>> Macbook air late 2013
>> 10.14.3
>> Regards Bill
>>
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