Enhance the Categorized rendering adding the option for describe numeric intervals

[qgib]

Author Name: aperi2007 - (aperi2007 -)
Original Redmine Issue: 7128

Redmine category:symbology

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Firstly:
I know this could be done using the rule renderer.

But the use of the categorized rendering is more simple and fast.
Actually, the categorized allow only set of equals value.

I guess a good enhancement could be to give the possibility' when the values are numerical to set not only the exact value but also the value interval.

The numeric interval could be set using this sintax:

Value                     Label

123.23 : 234.45           Values from 123.23 to 234.45

(including minor valor and excluding major value in the internal interval for the category set)

[qgib]

Author Name: Giovanni Manghi (@gioman)

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• easy_fix was configured as 0

[qgib]

Author Name: Regis Haubourg (@haubourg)

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From what I understand, you describe the exact behavior of the Graduated renderer here.
Please reopen if necessary

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• resolution was changed from to fixed/implemented
• status_id was changed from Open to Closed
• description was changed from Firstly:
  I know this could be done using the rule renderer.

But the use of the categorized rendering is more simple and fast.
Actually, the categorized allow only set of equals value.

I guess a good enhancement could be to give the possibility' when the values are numerical to set not only the exact value but also the value interval.

The numeric interval could be set using this sintax:

Value                     Label

123.23 : 234.45           Values from 123.23 to 234.45

(including minor valor and excluding major value in the internal interval for the category set)

to Firstly:
I know this could be done using the rule renderer.

But the use of the categorized rendering is more simple and fast.
Actually, the categorized allow only set of equals value.

I guess a good enhancement could be to give the possibility' when the values are numerical to set not only the exact value but also the value interval.

The numeric interval could be set using this sintax:

Value                     Label

123.23 : 234.45           Values from 123.23 to 234.45

(including minor valor and excluding major value in the internal interval for the category set)