[mapserver-users] RE: html legend

[Brian Barrett]

Does anybody have any suggestions for the problem outlined below? Is it a problem the order of the If statements?

Thanks

Brian


From: mapserver-users-bounces at lists.osgeo.org [mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of Brian Barrett
Sent: 06 April 2011 08:05
To: 'mapserver-users at lists.osgeo.org'
Subject: [mapserver-users] html legend

Hi,

I have a mapserver html legend that does not show all of my desired classes.

My map has some layers with a group name and some without. Most layers with a group name need just a single legend entry, so I've specified a [leg_group_html] section (as shown below) to identify those layers using the "isset" and "neq"  operators.

The layers with a group name "geophysics" or "interp" need a legend item for each layer (with a specific formatting) so I've specified a [leg_class_html] section and set these up there using the "eq" operator on the "layer_group"

My problem is with the remaining layers that have no group defined. These currently do not show in the legend, despite using the "isnull" option in the [leg_class_html] section.

Code is below. Can anyone help explain the problem please?



[leg_header_html]
[/leg_header_html]

[leg_group_html]
                [if name=group_name oper=isset]
                    [if name=group_name oper=neq value="geophysics"]
                                [if name=group_name oper=neq value="interp"]
                                [if name=layer_status oper=eq value=1]

                                                <table><tr>
                                                                <td width=15> </td>
                                                <td width=20>
                                                                <img src="[leg_icon width=20 height=15]" width=20 height=15 alt="">
                                                </td>
                                                <td>
                                                                [leg_group_name]
                                                </td>
                                                </tr></table>
                [/if][/if][/if][/if]
[/leg_group_html]


[leg_class_html]
                [if name=layer_group oper=isnull]
                                                <table><tr>
                                                                <td width=15> </td>
                                                <td width=20>
                                                                <img src="[leg_icon width=20 height=15]" width=20 height=15 alt="">
                                                </td>
                                                <td>
                                                                [leg_class_name]
                                                </td>
                                                </tr></table>
                [/if]
                [if name=layer_group oper=eq  value="geophysics"]
                                <table><tr>
                                                <td width=15> </td>
                                <td width=200>
                                                <img src="[leg_icon width=200 height=40]" width=200 height=40 alt="">
                                </td>
                                </tr></table>
                [/if]
                [if name=layer_group oper=eq  value="interp"]
                                <table><tr>
                                                <td width=15> </td>
                                <td width=300>
                                                <img src="[leg_icon width=300 height=400]" width=300 height=400 alt="">
                                </td>
                                </tr></table>
                [/if]
[/leg_class_html]



Brian

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