Thanks to all for your help. I finally decided to find another source
for my Oregon boundary and yahoo! Everything started lining up. So I
was able to make some real progress. I am DELETING that other
shapefile, and my guess, based on the help I received from all of you,
is that the projection file had errors in it.
Thank you!
On 02/27/2015 04:24 AM, Nicolas Cadieux wrote:
Hi,
Qgis can handle both projected and geographic CRS at the same time.
If it is a Custom CRS, it could means the projection was not
recognized by a software along its production line and could indicate
a problem if it contains errors... Or someone tried to recreate a
missing CRS.
Try to go back in the metadata if you have it in order to find more
info like the EPSG code. Perhaps it could help you identify the
problem. Try comparing the .prj file from two file that are supposed
to be in the same CRS. Maybe that could help.
Nicolas Cadieux M.Sc.
Les Entreprises Archéotec inc.
8548, rue Saint-Denis Montréal H2P 2H2
Téléphone: 514.381.5112 Fax: 514.381.4995
www.archeotec.ca
Le 2015-02-26 23:55, "Sharon Selvaggio [via OSGeo.org] " <[hidden
email] </user/SendEmail.jtp?type=node&node=5190455&i=0>> a écrit :
Still struggling.... I am attaching the info from the prj file and
the extent info from the metadata for each shapefile:
I noticed that the PROJCS is labeled as "Custom"...could that be
confusing QGIS?
Or is it because one is a projected CRS and one is a geographic CRS?
*_or_state_boundary.prj_*
PROJCS["Custom",
GEOGCS["GCS_North_American_1983",
DATUM["D_North_American_1983",
SPHEROID["GRS_1980",6378137.0,298.257222101]],
PRIMEM["Greenwich",0.0],
UNIT["Degree",0.0174532925199433]],
PROJECTION["Lambert_Conformal_Conic"],
PARAMETER["False_Easting",1312335.958],
PARAMETER["False_Northing",0.0],
PARAMETER["Central_Meridian",-120.5],
PARAMETER["Standard_Parallel_1",43.0],
PARAMETER["Standard_Parallel_2",45.5],
PARAMETER["Central_Parallel",41.75],
UNIT["Foot",0.3048]]
xMin,yMin 183871.74,88600.9 : xMax,yMax 2345213.24,1675042.97
*_CKUWR.prj_*
GEOGCS["GCS_North_American_1983",
DATUM["D_North_American_1983",
SPHEROID["GRS_1980",6378137.0,298.257222101]],
PRIMEM["Greenwich",0.0],
UNIT["Degree",0.0174532925199433]]
xMin,yMin -123.522,43.356 : xMax,yMax -121.714,45.4562
Help very much appreciated.
On 02/24/2015 07:26 AM, Andre Joost wrote:
Am 24.02.2015 um 07:55 schrieb Ramon Andiñach:
On 24 Feb 2015, at 14:06, Sharon Selvaggio
I start by setting my project CRS.
And make sure OTF is on.
You have no choice of setting a project CRS if OTF is off.
But when I do this with files that have originated
from two
different sources with different native projections
(or no
projection?) they still do not align.
Different sources or different layer CRS shouldn't matter.
Shapefiles without .prj file are still existing in the world.
There is an option mentioned previously so that you can
set how QGIS
handles layers that it can't tell what the CRS is.
Settings -> Options, CRS Tab, CRS foor new layers.
If you can point us at the files you're using - or
excerpts from them
- then we might be able to understand where the problem is
better.
Or tell us the extent of every layer, as reported by
Rightclick -> Properties, metadata tab.
1. On a side note. Do not use the Google maps/satellite
images to
check if your layers are in the right place unless you
understand the
gotchas in using that service.
I don't agree with that.
If some layers come up on the wrong part of the Earth, it is a
good reference to see which layers are right and which are wrong.
Natural Earth shapefiles can be a reference as well.
Greetings,
André Joost
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