Hi,
I think I give a look at Query builder source code before writing a FR
during these holidays. It would be a good developing exercise. If you
agree Michael.
OK,
To add "complement result", have a look on "inverse selection" plugin.
Note that query dialog has not been written with MultiInputDialog bit
with buoy toolkit.
http://buoy.sourceforge.net/
I want also to check the possibility to add logical operators like AND
NOT OR but probabily this requires other stuff (geotools?). I will see
also Kosmo solutions on their Query Builder.
I think the most difficult part to add logical operators is to create a
friendly user interface which make it possible to write such complex
queries (i.e. to define where parenthesis are).
Adding "Complements results" and "Zoom to selected" to other tools
seems interesting (like in Geometry function toiol): the idea to
homologate all the options in all query/tolological/etc tools
(whenever it is possible) is not bad.
Yes havins something more homogeneous would be good.
Peppe
2012/12/20 Michaël Michaud <michael.mich...@free.fr
<mailto:michael.mich...@free.fr>>
Hi,
-Query builder. If I make an attribute (string) query, operator
"equal", the combo box "value" shows only 11 values even if the
layer can have more. It should be more useful to see all values
Problem is OpenJUMP does not know the possible attribute values.
To fill the list, query builder scans the first lines of the table
Scanning more
- may take time (but scanning is quite fast)
- you may have thousands of different values (place names for ex.)
I can change 11 to 16, 24, 32...
To have more, it would need something else like a text field
offering text completion (an interesting project...)
- Query build. On "Results" option it would be nice to have two
extra options "Complements results" and "Zoom to selected"
Yes, you can do it with other plugins, but it can be added to this
one too. Could you write a FR for that.
- Attribute query. It seems to me that it makes the same job as
Query Builder, at least a part of it. Can we consider as a duplicate?
I think I developped Query builder for my own use before Attribute
query was added by Martin
to OpenJUMP. If I add the two features you described to query
builder, I agree that attribute
query has no more advantage (except, maybe, simplicity for some
basic needs). We can hide it.
- Other Duplicate plugins. 1) Tools>Analysis>Union/Dissolve/merge
and Tools>Analysis>Union. I will save the first (Michael's one)
as it is full of options (between Union and Dissolve)
If I get one more vote for that, I remove the old union tool.
2) Tools>Analysis>Create Thiessen polygons and
Tools>Generate>Voronoi diagram. The second is far better as it
took only 1 second to calculate 750 points while the 1st took
some minutes
The second uses JTS triangulation, I don't know how the former one
works.
I'm not sure that the option to limit the diagram (or to extend
it) to a given polygon
is easy to implement.
Is it important for some use cases ?
-Tools>Analysis>"Polygon Overlay" should be renamed "Polygon
Overlay (Union)", I think, to not confuse with the
Tools>Analysis>Overlay (which in turns is basically an Overlay
(Intersect)). Overlasy seems to me a general name ( I wonder what
Uwe thinks about)
Maybe overlay could be replaced by Layer intersection.
I don't want to use union in this context, I think it would add
confusion.
Regards,
Michaël
regards
Peppe
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