Re: Simulating sublayers in CATiledLayer
Re: Simulating sublayers in CATiledLayer
- Subject: Re: Simulating sublayers in CATiledLayer
- From: Remco Poelstra <email@hidden>
- Date: Fri, 21 Mar 2014 21:22:39 +0100
> Op 21 mrt. 2014 om 17:28 heeft David Duncan <email@hidden> het volgende geschreven:
>
>
>> On Mar 21, 2014, at 3:53 AM, Remco Poelstra <email@hidden> wrote:
>>
>> Hi,
>>
>> I'm working on an iOS app which needs to draw paths. Drawing is performed in layers, each layer having its own color. Some paths add (opaque) content, while some paths remove content (i.e. draw in a clear color). Content removal should only happen on a per layer basis. This model fits exactly with CALayer, with a CALayer for each drawing layer.
>> The drawing layers can contain up to 30000 paths.
>> Since I want to be able to zoom in, I'm using CATiledLayer. Unfortunately CATiledLayer does not allow sub layers.
>
> Thats news. What makes you believe this?
The internet did. But it is not true, is it? At least apple docs don't say it is not possible. Then I wonder will it solve the problem of trying to draw everything for each tile? Seems I've new options to try tomorrow :)
Regards,
Remco Poelstra
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