[mapserver-users] A couple of mapcache questions

[Lime, Steve D (MNIT)]

Not sure if others replied off-list or not. It's hard to advise on issue 1 since the mapfile and layer definition you sent in the subsequent email was incomplete. Knowing what styles you're using and any min/max scale values would help.

For issue 2 this is what I do for transparent tiles - I think you can just do one or the other but it doesn't hurt to do both:

  - set "<transparent>true</transparent>" in the WMS source definition params section. 
  - set "TRANSPARENT TRUE" in the mapfile (at the map level). You might need to set an IMAGECOLOR too depending on what you're drawing.  

In this example:

  http://maps1.dnr.state.mn.us/lakefinder/map.html

I only did the latter...

--Steve

-----Original Message-----
From: mapserver-users [mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of Robert Miller
Sent: Friday, October 05, 2018 3:13 PM
To: mapserver-users at lists.osgeo.org
Subject: [mapserver-users] A couple of mapcache questions

I'm trying to get my head around mapserver after using geoserver for a 
year or so.  I'm really impressed so far with the speed and ability of 
mapserver.  I've got a layer up and running on a WMS service and it 
works just I'd like.

My question pertains to mapcache.  After a fair amount of head 
scratching, I've got mapcache serving up the tiles, but with a couple of 
issues...

1. The layer is basically a grid structure - so a bunch of black lines.  
When I load the layer in QGIS the lines disappear 5 or 6 zoom levels 
out.  I adapted the grid from WGS84 (my layer uses epsg:4269), and I 
don't really understand resolutions, so I'm thinking that might be the 
issue.  I tried tweaking the values and everything I did just turned the 
whole layer black.

2. Although the mapserver WMS service generates a transparent layer, 
webcache is sending me a layer with an opaque white background.

I've tried googling and searching the archive for an understanding of #1 
and haven't found anything.  As for #2, I don't know where to start.  So 
any help would be much appreciated.

Thanks,
Bob Miller
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