A lot of this code has been changed in 6.2, but I think the basics still
work. I'm not sure if images are cached or not when using this method or
if it matters in your case. I guess ideally if it were a fixed set of
images then you want caching, but it they are all different then you
probably want to turn caching off, but I do not think there are any
controls for that. If you have the whole path to the image in the
attribute then you do not need to use an expression to concatenate the
path and name so it simplies to:
SYMBOL '[FILENAME]'
Also be aware that you should probably use a POINT layer and not
ANNOTATION layers as the latter is deprecated in 6.2 so upgrading it
will be easier.
-Steve W
On 8/23/2012 2:27 PM, Ian Walberg wrote:
Stephen,
This looks perfect, I need to look closer but I had thought the symbols
needed to be defined separately.
Regards
Ian
-----Original Message-----
From: mapserver-users-boun...@lists.osgeo.org
[mailto:mapserver-users-boun...@lists.osgeo.org] On Behalf Of Stephen
Woodbridge
Sent: Thursday, August 23, 2012 11:21 AM
To: mapserver-users@lists.osgeo.org
Subject: Re: [mapserver-users] Different image for each point
On 8/23/2012 1:31 PM, Ian Walberg wrote:
Hello folks,
We need to be able to display a different small image from each point
in a data set, say along the lines of a thumbnail.
From what I can see this could be done my defining each image as a
symbol and then referencing that.
However what we would like to be able to do is get the image file name
as part of the query and display the image based on that.
Is this possible?
I have done this by creating a column with the filename in it. You can
then use the column as a symbol name or symbol path or as attribute
column in wfs to OpenLayers that can then be used to point to a
thumbnail directory of fullsize directory of images.
LAYER
NAME "images"
TYPE POINT
DATA "myImagePoints"
CLASS
STYLE
SYMBOL ("/path/to/thumbs/"+'[FILENAME]')
END
END
END
Where column FILENAME has something like 'myimage.png' and to do this
you are probably limited to gif, jpg, and png images only. svg will NOT
work.
-Steve W
_______________________________________________
mapserver-users mailing list
mapserver-users@lists.osgeo.org
http://lists.osgeo.org/mailman/listinfo/mapserver-users
_______________________________________________
mapserver-users mailing list
mapserver-users@lists.osgeo.org
http://lists.osgeo.org/mailman/listinfo/mapserver-users
