[mapserver-users] Ubuntu Trusty, MapServer 6.4.1, Gdal 1.11

Sat Apr 11 03:21:09 PDT 2015

Hi,

About how to test I have only one advice: Do it systematically.

Being systematically means building something pretty simple that works first and add new stuff one and only one step at a time. Somehow like:

Problem is that ECW layer through tileindex does not work.

1.)    Does it work with one ECW? It did not, you fixed the build and gdalinfo is OK now but did you also test that MapServer is now OK with one ECW?

2.)    If it is working with ECW then good.  If it is not, make an additional test by converting one  ECW into GeoTIFF and test your layer with it. If it is OK there is still something wrong with ECW support. If GeoTIFF does not work there is something else wrong and you must fix it before you can even know if the issue has to do with ECW at all.

3.)     If one GeoTIFF and one ECW is OK then perhaps something is wrong with the tileindex. Make a new tileindex that contains a) only that one GeoTIFF you created in step 2 b) the same for the one original ECW. Do they work?

Test with the file /home/mapas/dados/raster/ortos2012/006003Argb_12_d73.ecw. Does it exist? Is it empty? Can’t it be accessed due to wrong path or missing rights?

(): Unable to access file. Corrupt, empty or missing file '/home/mapas/dados/raster/ortos2012/006003Argb_12_d73.ecw' for layer 'ortos2012'.

As a general rule, add DEBUG 5 into your layer when debugging, and I suggest to add always PROJECTION blocks into MAP and LAYER level.

-Jukka Rahkonen-

Lähettäjä: mapserver-users-bounces at lists.osgeo.org [mailto:mapserver-users-bounces at lists.osgeo.org] Puolesta Marco Afonso
Lähetetty: 10. huhtikuuta 2015 17:25
Vastaanottaja: Jeff McKenna
Kopio: mapserver
Aihe: Re: [mapserver-users] Ubuntu Trusty, MapServer 6.4.1, Gdal 1.11

Hi again,

Ok Jeff, I can change if I find something new.

Not solved yet :p

Ok, recompiled libecwj2 and gdal. gdalinfo is now reading the ecw correctly.

But I still get the mapserver error... are there any further tests that I can do?

Thanks.

2015-04-10 15:07 GMT+01:00 Jeff McKenna <jmckenna at gatewaygeomatics.com<mailto:jmckenna at gatewaygeomatics.com>>:
On 2015-04-10 10:34 AM, Marco Afonso wrote:

Found this

And reading moreover on http://trac.osgeo.org/gdal/wiki/ECW
Those wiki pages are wonderful; please as you head down this path don't be afraid to update that ECW build wiki with any notes or changes you noticed.  Thanks!

-jeff

--
Jeff McKenna
MapServer Consulting and Training Services
http://www.gatewaygeomatics.com/

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Regards,
Marco Afonso
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