Correction about the last one: I had a typo in the path when running the
mapfile straight in the browser. The correct is
http://127.0.0.1/cgi-bin/mapserv?map=/home/stefanos/mapdata/dasarxeia.map&mode=map
and it still appears a blank page.
-Stefanos
Στις 6:57 μ.μ. Δευτέρα, 2 Ιουνίου 2014, ο/η Stefanos Anastasiou
<emperor_s...@yahoo.gr> έγραψε:
Hi Jeff,
thanks for your reply.
- I indeed used the ogrinfo utility and I gave me the extent in GCS_GGRS_1987.
So I transformed the coordinates to WGS84.
- I also had my moved my data one folder up (that is also my Shapepath
/home/mapdata/data/) just to make sure.
-The output of "shp2img -m dasarxeia.map -o test.png -all_debug 3" gives me the
following:
[Mon Jun 2 18:48:09 2014].50643 msLoadMap(): 0.001s
[Mon Jun 2 18:48:09 2014].54233 msDrawMap(): rendering using outputformat
named jpeg (AGG/JPEG).
[Mon Jun 2 18:48:09 2014].54749 msDrawMap(): Layer 0 (Dasarxeia), 0.000s
[Mon Jun 2 18:48:09 2014].54951 msDrawMap(): Drawing Label Cache, 0.000s
[Mon Jun 2 18:48:09 2014].55124 msDrawMap() total time: 0.004s
[Mon Jun 2 18:48:09 2014].75257 msSaveImage(test.png) total time: 0.020s
[Mon Jun 2 18:48:09 2014].75714 shp2img total time: 0.026s
Another weird thing I noticed is that if I try to run the mapfile itself on the
browser
(http://127.0.0.1/cgi-bin/mapserv?map=/home/stefanos/mapdata/dasarxeia.map&mode=map)
it gives me an error
-----> msLoadMap(): Unable to access file.
(/home/stefanos/mapdata/dasarxeia.map)
The permissions that are set for the mapfile are: -rw-rw-rw-
I was also wondering if it is some kind of a configuration in Apache's http.conf
Thanks
-Stefanos
Στις 3:57 μ.μ. Δευτέρα, 2 Ιουνίου 2014, ο/η Jeff McKenna
<jmcke...@gatewaygeomatics.com> έγραψε:
Hi Stefanos,
Some comments:
- the best way to get the exact extent is to use the ogrinfo commandline
utility with the "-summary" switch:
ogrinfo dasarxeia.shp dasarxeia -summary
- be careful with your SHAPEPATH, if your file is
/home/mapdata/data/dasarxeia.shp then I would put for your SHAPEPATH
"/home/mapdata/data/"
- when using shp2img, at the end of the command add "-all_debug 3" to
see more useful error messages/notices
- sometimes extent values in QGIS can be confusing, because sometimes it
can display the data in a different projection without you knowing it
(Project Properties/CRS/Enable 'on the fly' transformation)...so be careful
-jeff
--
Jeff McKenna
MapServer Consulting and Training Services
http://www.gatewaygeomatics.com/
On 2014-06-01, 4:31 PM, Stefanos Anastasiou wrote:
> Hi Jeff,
>
> I came to this old post once again and I tried the above mentioned.
> shp2img still produces an image which is blank or whatever the color of
> the mapfile is defined. On the other hand I checked the EXTENT once
> again and it was wrong so I changed to the appropriate one (EXTENT 17.00
> 33.00 32.00 42.00) which I checked on
QGIS in WGS84 so it should be
> fine. If STATUS is set to default or On there's no difference. I also
> changed TYPE to line and polygon just to be sure but nothing.
>
> My shapefile is a polygon with boundaries. Why wouldn't it appear on
> the browser?
>
> Thanks again and I'm sorry for writing about it so late.
>
> Stefanos
>
>
> Στις 7:15 μ.μ. Δευτέρα, 10 Φεβρουαρίου 2014, ο/η Jeff McKenna
> <jmcke...@gatewaygeomatics.com> έγραψε:
>
>
> Hi sorry long thread and I bet this has already been said, but here were
> my thoughts when I read your problems:
>
> - always test your mapfile at the commandline first, using the shp2img
> utility (http://mapserver.org/utilities/shp2img.html). Once your layers
> look find there in the generated map image then move to your application
>
> - if using MapServer CGI (mode=map), a blank map often means you are not
> specifically telling MapServer to turn on layers; try adding &LAYERS=all
>
> - or setting each of your layer's STATUS values to DEFAULT might work
> (but this can cause lots of trouble later, so this is not often recommended)
>
> -jeff
>
>
>
> --
> Jeff McKenna
> MapServer Consulting and Training Services
> http://www.gatewaygeomatics.com/
>
>
>
> On 2/10/2014, 11:15 AM, Stefanos Anastasiou wrote:
>> Hello!!
>>
>> I'am having my mapfile place in /home/mapdata folder whereas I also keep
>> a couple of other mapfiles too.
>> I'm trying to load it in the following form on the
>> browser:
> http://127.0.0.1/cgi-bin/mapserv?map=/home/mapdata/pelop.map&mode=map
>>
>> and all I get is a blank page. No errors no nothing.
>>
>> Then I created an html template in order to click it from there by
>> creating a simple link (and not a from) in the following hyperlink: <a
>>
> href="http://127.0.0.1/cgi-bin/mapserv?map=/home/mapdata/pelop/map&mode=map>
>> This link </a>
>>
>> And I get the following error: msLoadMap(): Unable to access file.
>>
>> Last time this happened I was invoking Mapserver through a form but this
>> time it's just a simple link.
>>
>> Why is it happening ?
>>
>> The weird thing is that all the other mapfiles that are seem to be
>> working are are having the same permission settings with the
>> current: -rw-r--r--
>>
>> Thanks a lot!
>
>>
>>
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