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answered 2011-01-07 11:08:28 +0800

windeyu gravatar image windeyu flag of United States

We developed our own custom ZK client-side widget integrating with openlayers, and its server-side counter-part component to parameterize the openlayers map, get openlayers' events to the server, and push data from the server to the client-side map. However, it took us some learning curve to know 1) How to develop custom ZK widget/component (We took a remote training course with a ZK engineer) 2) How to use openlayers library in depth 3) Advanced javacript programming, particularly avoid memory leak when cleaning up openlayers objects.

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