Re: [Qgis-user] New Shapefile Features Fail to Save

Wed, 03 Feb 2016 09:32:14 -0800 

Hi, 
The problems seems more that the standard has not been explicitly 
written.  If I understand the last comment thought about QGIS, It seams 
that QGIS does try to repack the file when closing it to make it compatible 
with Esri's way of deleting geometries... That may be where the current 
deleting problems, if any, originates from... 
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 
On Feb 3, 2016 11:40 AM, "Springfield Harrison [via OSGeo.org]     " 
<[email protected]> wrote: 

        If I understand the technical aspects correctly (marking shapes with a 
* rather than actually deleting them), the problem seems to be departing from 
the shapefile "standard". 
One of QGIS's strengths should be interoperability rather than inventing 
one off, wierd standards to frustrate compatibility. 
I don't think this is behind the failure to save problem but is concerning 
nonetheless . . . . 
Cheers . . . . .   Spring 
Samsung Tab 4 
On Feb 3, 2016 12:40 AM, "Uwe Fischer" < [hidden email] > wrote: 
<blockquote style="border-left:2px solid #cccccc;padding:0 1em" 
style="margin:0 0 0 0.8ex;border-left:1px #ccc 
solid;padding-left:1ex"> Spring,   it seems to me like there are 
various errors in editing shapefiles in QGIS 2.10 and 2.12. Some weeks ago, I 
reported an error that does not allow for proper feature deleting. The shapes I 
deleted were gone in QGIS, but they were still present in ArcMap.   Matthias 
Kuhn wrote in this context:   Hi I just received a confirmation that Marco is 
working on a fix for this issue and targets the 2.14 release. GDAL 2.0 would 
still be nice to also have the geometry issue fixed :)   Best regards -- 
Matthias Kuhn     If it turns out that your problems come from the same origin, 
maybe it’s time now to disable shapefile editing in QGIS until those problems 
are solved.   Maybe someone more competent than me can give information to the 
list on the troubleshooting status? QGIS is such an outstanding piece of 
software, we’d love to see that errors disappear!       Mit freundlichen 
Grüßen,   Uwe Fischer   Von: Qgis-user [mailto: [hidden email] ] Im Auftrag von 
Springfield Harrison Gesendet: Mittwoch, 3. Februar 2016 07:30 An: Nicolas 
Cadieux < [hidden email] > Cc: qgis-user < [hidden email] > 
Betreff: Re: [Qgis-user] New Shapefile Features Fail to Save   Thanks for those 
ideas.  I can check off most of those items except upgrading.  This is new 
development so likely computer based?  Rather than QGIS. I'll look at the 
bug reports; this is a pretty serious error.   Thank you . . . . . . Cheers . . 
. . .   Spring Samsung Tab 4 On Feb 2, 2016 7:15 PM, "Nicolas Cadieux" 
< [hidden email] > wrote: <blockquote style="border-left:2px 
solid #cccccc;padding:0 1em" style="border:none;border-left:solid 
#cccccc 1pt;padding:0cm 0cm 0cm 
6pt;margin-left:4.8pt;margin-top:5pt;margin-right:0cm;margin-bottom:5pt">
 Hi, I have done this in the past without errors in QGIS.  I would upgrade to 
the latest version. Then to figure out where the problem is, I would: Make sure 
that both layer are polygon layers (and not lines and polygons), that both have 
the same CRS (along with the project CRS), that both have the same fields and 
that the "receiving layer" is in editing mode, and saved subsequently. 
I would limited the amount of open files and open plugins. Try  copying 
polygons from a newly created file to an empty newly created layer in QGIS and 
not a shapefile that was previously manipulated in other softwares.  All this 
could help you find the source of the problem.  I would also look at the bug 
reports to see if it is an issue for that version. Hope this helps. Nicolas 
Cadieux M.Sc. Les Entreprises Archéotec inc.  8548, rue Saint-Denis Montréal 
H2P 2H2 Téléphone: <a href="tel:514.381.5112" 
target="_blank">514.381.5112  Fax: <a 
href="tel:514.381.4995" target="_blank">514.381.4995 
www.archeotec.ca On Feb 2, 2016 8:46 PM, "Springfield Harrison [via 
OSGeo.org] " < [hidden email] > wrote: <blockquote 
style="border-left:2px solid #cccccc;padding:0 1em" 
style="border:none;border-left:solid #cccccc 1.5pt;padding:0cm 0cm 0cm 
12pt;margin-top:5pt;margin-bottom:5pt"> Hello Group,         Am using 
QGIS 2.10.1 and have done so without significant problems for many months.  I 
am attempting to create simple polygons in a shapefile by direct vertex entry 
or copying polygons from another shapefile layer and pasting them into the 
active layer.         In almost every case, these features disappear.  There is 
an entity entry in the attribute table but there are no polygons created.  In 
one case a polygon was created but it was not the shape that I digitized; no 
more polygons could be created although the process for doing so appears to be 
working.  No error messages were created.  The CRS for the project and the 
shapefile are the same.         The shapefile can be opened in another GIS but 
has no content.                  Here are some product details:  QGIS version  
2.10.1-Pisa  QGIS code revision  d20c5b7         Thanks very much for any help 
you can render, Cheers . . . . . . . . Springfield Harrison 
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