For the point layer create a calculated field using overlay_within() function.
Oisin
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On 25 Aug 2024, 16:07, at 16:07, Greg Troxel via QGIS-User
wrote:
>Zoltan Szecsei via QGIS-User writes:
>
>> Hi,
>> I'm doing my "once a year need to do something in p
Are you entering the filter in the expression builder from the attribute table.
If so, type
substring("DateSale") in ('2021', '2022', '2023', '2024')
This should filter the table to show features with "DateSale"='2021' or '2022'
or '2023' or '2024'.
Oisin
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On 12 J
Sorry, slice doesn't work on expressions. Use
substring("DateSale", 7, 10)
Oisin
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On 12 Jun 2024, 19:59, at 19:59, "oisin.kelly.w...@gmail.com"
wrote:
>ClIf its a string can use slice, e.g.
>"DateSale"[7:10] to return
>
>
>O
>
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ClIf its a string can use slice, e.g.
"DateSale"[7:10] to return
O
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On 12 Jun 2024, 19:40, at 19:40, Jeremy Swarm via QGIS-User
wrote:
>I have a set of vectors (it's a parcel map) from my county. This layer
>has a number of attributes defined. I would like to f
At step 4, Tick the box ' selected feature'
Oisin
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On 30 May 2024, 20:49, at 20:49, Bernd Vogelgesang via QGIS-User
wrote:
>Did you e.g. try to copy the selected region to a memory layer and
>perform the clip with that? Maybe the outcome gives some clues …
>
>
>Cheer
get_feature(layer, attribute, value)
This returns a feature. You can then wrap this in attributes() to return a
dictionary of attribute names and values.
You then add ['attributename'] on end to return value.
So for each table
something like
attributes(get_feature('table1', 'common-id-name',
No it won't work. It's not SQL syntax, it's expression syntax. So you need to
use a function to get the corresponding feature from another layer. Hence
getfeature() or one of the overlay_ functions.
You will end up with a long expression.
Or, you could use sql in dB manager?
Oisin
07570 9774
You definitely need to define the layer for each attribute (except the current
layer).
You also need a way to find the comparable record, e.g.
(i) with a common id (use getfeature() to access attribute) or
(ii) spatially use one of the overlay functions.
Oisin
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On 14
If you use Python it should be fairly simple to enumerate all layers, test to
see if they're file based and then use pattern matching to alter the file paths
Oisin
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On 4 Apr 2024, 19:28, at 19:28, "Tony Shepherd (FarmMaps NZ) via QGIS-User"
wrote:
>Hi
Once you have created the virtual field, you can add them to your form. Open
form properties,go to form, choose drag and drop form designer, add the
available attributes from left hand panel to middle panel. Right hand panel is
for form widget settings.
Hope that helps
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