Best approach to publish heavy images: size and numbers,

JamalNUMAN

Best approach to publish heavy images: size and numbers,

I wanted to publish images (around 78 images) with different sizes (from 5 MB to 133 MB) that have ecw extension.

1. To cover come the issue of the ecw, we purchased the �??ECW for ArcGIS Server 10.1�?� to be able to publish this sort of images as publishing the ecw images is not supported by the ArcGIS

http://forums.arcgis.com/threads/62836-Publishing-mxd-files-containing-*.ecw-images?p=218401#post218401


2. Now, publishing this amount of images (around 6.38 GB in total) is not an easy job. Then I�??m wondering if there might be better approach to be able to publish these images with optimal time

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What might be the best practice to publish this amount of images?


Thank you

Best

Jamal

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MarcoBoeringa

2. Now, publishing this amount of images (around 6.38 GB in total) is not an easy job. Then I�??m wondering if there might be better approach to be able to publish these images with optimal time

Jamal,

Could you be a bit more specific as to why "publishing this amount of images... is not an easy job"?

Is the problem with the publishing of the service itself? Is it taking excessively long?

Or is the problem actually not related to the publishing process, but are you merely unsatisfied with the ECW services performance as a web service when accessed from the internet?

These are two different problems...

In case of excessive publishing times, you definitely should check out if ArcGIS for Server is accessing the data directly (as it should), or if the publishing process is actually creating uncompressed copies of the data on the server where ArcGIS for Server runs. This could be a huge penalty with something as highly compressed as ECW, even clogging up your entire server's hard disk space.

You should make sure ArcGIS for Server uses the data directly as the ECW format it was stored in, which is the whole purpose of buying the ECW for ArcGIS for Server product.

In case of inadequate performance of the created web service, how does accessing the data directly from ArcMap perform? Are your file servers up to the task of serving this data? There are several other options offered by ArcGIS for Server, most notably though, the ones offering tiling schemes, cutting up your data in small pieces and predefined pyramid zoom levels, to ensure maximum performance. Read the ArcGIS for Server Help pages for the options. Be aware though, that most of these options will require a decompression of the original data and only very limited re-compression to another format compared to ECW. The penalty in file size increase may be unacceptable in some cases.