[jira] Assigned: (OFBIZ-3348) Showing multiple geopoints on a map

["Bruno Busco (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OFBIZ-3348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bruno Busco reassigned OFBIZ-3348:
----------------------------------

    Assignee: Bruno Busco

> Showing multiple geopoints on a map
> -----------------------------------
>
>                 Key: OFBIZ-3348
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-3348
>             Project: OFBiz
>          Issue Type: Improvement
>          Components: framework
>            Reporter: Bruno Busco
>            Assignee: Bruno Busco
>            Priority: Minor
>         Attachments: OFBIZ-3348 geoChart.patch
>
>
> As discussed on the ML I need to show several geoPoint markers on a single map.
> I searched for some helping tools in the framework and found the <screen name="geoLocation">
> and the relative <request-map uri="geoLocation">
> Unfortunately this can only be used to show on a Google Map a single geoPoint record providing its geoPointId.
> In my application I have a sort of "event" entity.
> Each event has the LAT and LON coordinates of where the event took place and I need to show on a map all the query-selected events.
> In the attached patch there is an implementation of a "geoChart" framework screen that takes as input a geoChart map containing:
> geoChart
>   - dataSourceId -> select the map system to be used (google, yahoo etc.) I do not like this mane. I think I will rename to mapProviderId but it is how it is named right now
>   - width
>   - height -> map dimensions
>   - center -> the center point of the map
>   - points -> the points array to be showed on the map
> In the patch there are also some example screens (in the example application) to show how it works.
> I think that the suggested screen is more general and can replace the actual one.
> BTW:
> 1) Why the dataSourceId is in the GeoPoint entity ?
> I think the GeoPointEntity should be independent of what map provider (if any) will be used to show it.
> 2) A further improvement to this will be to add an heatmap mode (just started looking at this code: http://code.google.com/p/jheatmap/) that can be used when points will be too many or whenever an average distribution is only required (but this will be another page). 
> I submit this patch in order to have a first review by you.
> Thank you,
> Bruno

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