Slow raster image display with TILEINDEX

[Dylan Keon]

Ganesh P wrote:
> Hello everyone
>
> We have several raster images (GeoTIFF) overlapping and covering the
> area. We are using GDALTINDEX to make an index file and TILEINDEX to use
> the index file in the map file.
> When the Raster layer is enabled, the image is being rendered well but
> it is taking a very long time to display the image. Is there any way to
> speed up the process of rendering the image. Say by changing the image
> format to jpegs or something like that.

TIFFs should render the fastest, especially when using very large
images, so you're using the best image format.  Can you give us more
information about the images that make up your tileindex layer?  What
kind of hardware are you working with?

--Dylan