Future IMS Work:

• Pre-IMS layer selection tool to simplify the TOC/Legend

• Implement the ArcIMS 4.0 metadata server

• Design advanced query tools to analyze the spatial relationship between CO2 sources and sinks

• Complete application management tools

• Explore XML client options (OpenGIS)

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While the distributed nature of the data in MIDCARB is relatively transparent to the user, the fact that similar themes are coming from different feature classes is not, as each has an entry in the TOC. It would be advantageous to show only one legend item for the collection of related feature themes, and SDE database views may be one way of achieving this.

The number of potential themes available to MIDCARB users is large and continuing to grow. Much work needs to be done to simplify the user interface so that only desired themes are shown. This could be accomplished with some kind of query interface to collect information from users about what they want to see.

The current implementation of the MIDCARB IMS service uses version 3.x software. When version 4.0 is available, its new capability that accesses metadata from an SDE database will be explored.