[mapserver-users] Layer rendering performance problem

[Jon-Paul Dobson]

Hi Jukka,

Thanks for getting back to me so quickly. No I haven't tried this. How is
this done and what is the benefit? Aren't Shape files already indexed?

Regards,
Jon-Paul.

On Wed, May 11, 2011 at 4:41 PM, Rahkonen Jukka
<Jukka.Rahkonen at mmmtike.fi>wrote:

> Hi,
>
> No answers but a question back. Have you created spatial index (.qix) for
> your shapefiles with shptree?
>
> -Jukka Rahkonen-
>
> Jon-Paul Dobson wrote:
>
> > Hi,
>
>
>
> > Whenever I display a layer based on a Shape file I notice that the Shape
> file is accessed constantly. This makes rendering extremely slow when
> compared to, for example, ESRI ArcIMS which appears to cache the Shape
> file.
> Is there an equivalent caching mechanism for Map Server? ArcIMS seems to
> render an order of magnitude faster when the number of symbols runs into
> the
> 1000s
>
>
>
> > Similarly, whenever I display layer symbols using a truetype font I
> notice
> that the .ttf file is accessed for every symbol. This makes rendering
> appallingly slow. Is there also any caching mechanism to prevent this?
>
>
>
> > Any insight anyone can give would be much appreciated.
>
>
> Best regards,
> Jon-Paul.
>
>
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