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# Create a Cluster Map

You can use the `ClusterMapFromResults` action to create a map of the clusters that you generate from your query.

You provide XML-formatted cluster information to `ClusterMapFromResults` as the value of the `ImportXML` parameter, and the action returns a 2-D cluster map as binary image data. The file is by default in JPEG format, but (as in the case of the `ClusterServe2DMap` action) you can specify another format by setting the `PictureFormat` configuration parameter in the `[Cluster]` section of the IDOL Server configuration file.

`ClusterMapFromResults` also creates and stores a new set of cluster results that includes the map coordinates of the clusters. If your application uses these cluster results to support mouse-over effects when displaying the cluster map, you can retrieve the results by using the `ClusterResults` action. In this case, use the `TargetJobName` from the `ClusterMapFromResults` action as the `SourceJobName` in the `ClusterResults` action.

When you use the `ImportXML` parameter to send data to `ClusterMapFromResults`, you must use the following format:

    <?xml version='1.0' encoding='UTF-8' ?>
    <autn:clusters xmlns:autn='http://schemas.autonomy.com/aci/'>
        <autn:numclusters>5</autn:numclusters>
        <autn:cluster>
            <autn:title>MyClusterTitle</autn:title>
            <autn:score>5.63</autn:score>
            <autn:term>CAT~[85]</autn:term>
            <autn:term>DOG~[76]</autn:term>
            <autn:term>RABBIT~[65]</autn:term>
            <autn:term>HAMST~[64]</autn:term>
            <!-- more terms -->
            <autn:docs>
                <autn:numdocs>3</autn:numdocs>
                <autn:doc>
                    <autn:title>MyDocTitle</autn:title>
                    <autn:ref>http://foo.com</autn:ref>
                    <autn:score>5</autn:score>
                <autn:doc>
            <!-- more docs-->
            </autn:docs>
        </autn:cluster>
        <!-- more clusters-->
    </autn:clusters>

This XML format is similar to the format of the XML results of a `Query` action. If you pass this data to the `ClusterMapFromResults` action in the `ImportXML` parameter, you must first percent-encode it.

Note: As an alternative to providing XML data to `ClusterMapFromResults`, you can provide it with a job name from a previous `ClusterCluster` action.

Related Topics

- Generate a Cluster Map after You Cluster

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