[mapserver-users] placement of labels from two different

[Mark Volz]

Steve,

Thank you for your comments.  I should have mentioned that I am using multi-line labels so using position did not move the label over quite enough.  However, I was able to get the label to work by using offset which allows me to get the label in closer than when I was using wrap to create empty lines to move the label up.


I wish there were some better options for label placement such as fit a second label inside the largest area of a polygon between current labels and the polygon boundary.  This way we could force secondary labels to fit within the parcel.  Second, it would also be nice if we have a choice to make sure that the labels fit within the bbox, or within the polygon boundary. That way we could make sure that labels fit within the polygon for illregular shaped parcels such as a soils layer. But of course those are unfunded thoughts.


Mark Volz
GIS Specialist

-----Original Message-----
From: mapserver-users-bounces at lists.osgeo.org [mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of mapserver-users-request at lists.osgeo.org
Sent: Friday, April 06, 2012 11:00 AM
To: mapserver-users at lists.osgeo.org
Subject: mapserver-users Digest, Vol 51, Issue 6


Message: 5
Date: Fri, 06 Apr 2012 11:35:09 -0400
From: Stephen Woodbridge <woodbri at swoodbridge.com>
Subject: Re: [mapserver-users] placement of labels from two different
	polygons	that have the same feature shape
To: mapserver-users at lists.osgeo.org
Message-ID: <4F7F0D2D.1090703 at swoodbridge.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

On 4/6/2012 11:07 AM, Mark Volz wrote:
> Hello,
> I would like to label both parcel polygons, and lot polygons on my map.
> Unfortunately, if the parcel and the lot have the exact same boundary, 
> only the parcel is labeled. Does anyone have any ideas or map files on 
> how I could label both parcel polygons and lot polygons? Am I missing 
> a keyword that when the parcel is labeled at the center of the 
> bounding box, a secondary label for the lots could be placed within 
> the open area of the boundary box?
> I asked this question last year, at the time one person suggested that 
> I could convert my data into points, which has more labeling positions.
> Unfortunately, I would prefer not to convert my data into points for 
> labeling as I would like to take advantage MINFEATURESIZE AUTO which 
> only works with polygons.
> P.S. I found that the wrap keyword works so It is possible to label 
> both parcels and lots. However, since extra lines are added the label 
> might fall on top of the wrong lot if I zoom out too far.
> Thank you
> Mark Volz
> GIS Specialist

Mark,

The easiest way to do this is to do something like set the possition of one to be UC and the other to be LC. you can also push them farther apart by using OFFSET to move the upper one higher and the lower one lower.

You might also try POSITION AUTO, but if you use BUFFER this will not help.

-Steve W


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