Thanks Michael. You have a good point about attributes with the same name
but of different type. The code will currently use the type of the first
one it finds, and refuse to copy over any with a different type. I have
code in other plugins which does type conversion of attributes, but I would
imagine that a better solution would be adding a suffix as you suggested and
not mixing them. Not copying over the Layer name in case of conflict is
just a bug that I will fix.
regards,
Larry
On Wed, Nov 5, 2008 at 1:31 PM, Michael Michaud <[EMAIL PROTECTED]>wrote:
> Great feature Larry,
>
> Combine is a good complement to Explode Layers.
> Using theming in the result layer is an excellent idea.
>
> There is a situation which is difficult to deal with : schema having a
> common attribute name but with different attribute types.
> In a plugin I did, I systematically added a suffix for the type (ex.
> NAME_S for attribute NAME of type STRING), but I lost the original
> attribute name, and I'm not sure it is worthwhile.
> In your plugin, original attribute names are conserved, I don't know
> which attribute type is choosen in case of conflict. All features are
> present in the combined layer (which is fine) but those with the wrong
> type have no attribute (even source LAYER name is not kept).
> I have no good solution for this problem, but source LAYER name could be
> kept in any case. Eventually, a warning could be sent.
>
> Thanks a lot for this contribution
>
> Michaël
>
> Larry Becker a écrit :
> > It should be in the nightly build. Comments and testing are appreciated.
> >
> > Larry
> >
> > On Wed, Nov 5, 2008 at 9:30 AM, Sunburned Surveyor
> > <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>
> > wrote:
> >
> > That's awesome Larry. Is the plug-in included in the nightly build,
> or
> > do we need to download it from the ISA web site?
> >
> > SS
> >
> > On Tue, Nov 4, 2008 at 6:34 PM, Larry Becker
> > <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote:
> > > As promised, I have finished the Combine Selected Layers PlugIn.
> > It merges
> > > the attributes of the selected layers and does automatic colour
> > theming on
> > > the created Layer attribute. You can now combine layers, do
> > operations on
> > > them and then extract them back into the original layers, or
> > vice versa.
> > >
> > > Larry
> > >
> > > On Wed, Jul 9, 2008 at 3:33 PM, Larry Becker
> > <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote:
> > >>
> > >> I'm thinking of creating two new plugins for Layers that are
> > similar to
> > >> the "Combine Selected Features" and its inverse "Explode Selected
> > >> Features". However, the new plugins would be "Combine Selected
> > Layers" and
> > >> "Explode Layer". Explode Layer would include the existing
> > "Edit->Extract
> > >> Layers by Geometry Type" functionality, and add the capability
> > to explode a
> > >> layer by attribute value. That is, it would create a new layer
> > for each
> > >> unique value of a given attribute. One possible use for this
> > would be to
> > >> break up a DXF import layer by original layer name. You could
> > also break up
> > >> a layer that you are colour theming, do some operations, and
> > then recombine
> > >> it.
> > >>
> > >> Combine Selected Layers would allow you to combine LineString,
> > Point, and
> > >> Polygon shapefile layers into a single layer to save as GML or
> > other
> > >> multi-geometry tolerant format. Attributes would, of course,
> > be preserved.
> > >> Preservation of BasicStyle information is also possible with a
> > kind of
> > >> auto-theming. All changes would be done by replicating
> > features to new
> > >> layers, leaving the original layers undisturbed.
> > >>
> > >> "Step right up ladies and gentlemen, it's the OJ-matic! Slices
> > one layer
> > >> so thin, it will last all winter." :-)
> > >>
> > >> Any thoughts?
> > >>
> > >> regards,
> > >> Larry
> > >> --
> > >> http://amusingprogrammer.blogspot.com/
> > >
> > >
> > > --
> > > http://amusingprogrammer.blogspot.com/
> > >
> > >
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