<p dir="ltr">Hello Spring,</p>
<p dir="ltr">This has to do with the way qgis (GDAL) handles the feature deletion. Instead of totally removing them (which takes longer) it mark them as deleted.</p>
<p dir="ltr">The (not very elegant) workaround here is to save the layer to a new shapefile using save as...</p>
<p dir="ltr">Hope it helps</p>
<br><div class="gmail_quote"><div dir="ltr">A qua, 22/06/2016, 09:39, Springfield Harrison <<a href="mailto:stellargps@gmail.com">stellargps@gmail.com</a>> escreveu:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello All,<br>
<br>
I have been opening QGIS shapefiles in Manifold GIS and noticed that<br>
they bear very little resemblance to the same file in QGIS, in some<br>
cases. When I then saved that file in QGIS as a different file, and<br>
opened it in Manifold GIS, all the features were present and arranged<br>
as expected.<br>
<br>
On another occasion, it looked like previously deleted polygons were<br>
visible when opened in Manifold GIS.<br>
<br>
And, in another instance, when attempting in QGIS to create a<br>
polygon, that failed. Instead, portions of old, deleted polygons<br>
were reactivated instead! What is going on here? This does not look<br>
like trustworthy behavior.<br>
<br>
I tried using SpatiaLite files instead of shapefiles, but there edit<br>
and feature creation failed outright.<br>
<br>
I believe this has been dealt with earlier; could someone point me<br>
to the discussion? I did a brief search but could not find the relevant posts.<br>
<br>
Thanks very much, Cheers . . . . . . . . Spring Harrison<br>
<br>
<br>
<br>
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