@geometry_point_count always equal to 1

[qgib]

Author Name: Alexey T (@Xeenych)
Original Redmine Issue: 17509
Affected QGIS version: 3.4.4
Redmine category:symbology

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I am using @geometry_point_count to style marker line feature.
Looks like this variable is always equal to 1.

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• test.jpeg (Alexey T)

[qgib]

Author Name: Giovanni Manghi (@gioman)

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Is this a regression?

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• status_id was changed from Open to Feedback
• easy_fix was changed from 1 to 0

[qgib]

Author Name: Alexey T (@Xeenych)

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Giovanni Manghi wrote:

Is this a regression?

My english is not very good, I don't understand your question. Please clarify.

[qgib]

Author Name: Giovanni Manghi (@gioman)

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Alexey T wrote:

Giovanni Manghi wrote:

Is this a regression?

My english is not very good, I don't understand your question. Please clarify.

did it worked as expected in a previous qgis release?

[qgib]

Author Name: Alexey T (@Xeenych)

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Giovanni Manghi wrote:

Alexey T wrote:

Giovanni Manghi wrote:

Is this a regression?

My english is not very good, I don't understand your question. Please clarify.

did it worked as expected in a previous qgis release?

I haven't ever used any previous releases.
May be the attached image will provide some help.

The first line is marker line with "font marker". Data defined override is set to:
to_string( @geometry_point_num )
So every marker is printed as its number.

The second line is marker line with "font marker" and data override set to:
to_string( @geometry_point_count)
Instead of printing total count of markers, there is symbol 'A' or any other symbol chosen in font marker style. So data override doesn't work for this expression.
Output preview in expression string builder shows '1'.

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• 11720 was configured as test.jpeg

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• test.jpeg (Alexey T)

[qgib]

Author Name: Giovanni Manghi (@gioman)

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• status_id was changed from Feedback to Open

[qgib]

Author Name: Jürgen Fischer (@jef-n)

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Please test with QGIS 3.4 - QGIS 2.18 reached it's end of life.

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• status_id was changed from Open to Feedback

[qgib]

Author Name: Alexey T (@Xeenych)

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Tested in QGIS v3.4.4

First. If marker placment is set to "on wevery vertex"
@geometry_point_count shows total number of visible points
If marker placment set to "with interval"
@geometry_point_count shows just letter "A" or something else, chosen font's marker properties

Second.
This variables names are very confusing.
This variables show not the gemotry point count or number, but marker's count or number curerntly visible on canvas.

[qgib]

Author Name: Giovanni Manghi (@gioman)

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Alexey T wrote:

Tested in QGIS v3.4.4

First. If marker placment is set to "on wevery vertex"
@geometry_point_count shows total number of visible points
If marker placment set to "with interval"
@geometry_point_count shows just letter "A" or something else, chosen font's marker properties

change the title and description accordingly, thanks.

Second.
This variables names are very confusing.
This variables show not the gemotry point count or number, but marker's count or number curerntly visible on canvas.

file a separate ticket.

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• version was changed from 2.18.14 to 3.4.4

[qgib]

Author Name: Nyall Dawson (@nyalldawson)

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This is fixed for 3.4.5/3.6

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• status_id was changed from Feedback to Closed

[Xeenych]

Testet on 3.8.3 but @geometry_point_count always equal to 1