[OpenLayers-Users] Pros and cons of the various renderers? (SVG, SVG2, Canvas)

[Volker Mische]

Hi Andreas,


I'm not quite sure I understand you comment about the Canvas rendering
speed (too many "not"s :).

On 04/30/2012 07:04 PM, Andreas Hocevar wrote:
> SVG2 is deprecated and no longer maintained. Canvas is initially fast
> for rendering many vertices, but it is not good if you don't do many
> interactive symbolizer changes (e.g. feature selection with visual
> feedback) on layers with tons of features, because it has to redraw
> the whole viewport for every such change. SVG supports a few more
> symbolizer properties than Canvas, but Canvas is catching up.

Shouldn't it read "but it is not good if you *do* many interactive
symbolizer changes"

Cheers,
  Volker

> On Sun, Apr 29, 2012 at 11:39 PM, Phil Scadden <p.scadden at gns.cri.nz> wrote:
>> I recently found there was issue on the 180 line with the SVG renderer
>> but Canvas and SVG2 were okay. What is the preferred renderer choices?
>> What are the pros and cons of each?
>> --
>> Phil Scadden, GNS Science Ltd 764 Cumberland St, Private Bag 1930,
>> Dunedin, New Zealand Ph +64 3 4799663, fax +64 3 477 5232
>>
>> Notice: This email and any attachments are confidential. If received in error please destroy and immediately notify us. Do not copy or disclose the contents.
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