[Qgis-user] Symbology

[Allan Younger]

Turns out the "Detect field types" in import layout had become 
unchecked.
Thanks for suggestions.
AY

------ Original Message ------
>From "kirk" <kirk at nortekresources.com>
To "Allan Younger" <ahyounger at iinet.net.au>; "Kobben, Barend (UT-ITC)" 
<b.j.kobben at utwente.nl>; "chris hermansen" <clhermansen at gmail.com>
Cc "QGIS User" <Qgis-user at lists.osgeo.org>
Date 18/06/2022 6:03:37 PM
Subject Re: [Qgis-user] Symbology

>If the data is being read as a character versus a integer or decimal, 
>you cannot use graduated symbols. Double left click on the layer in the 
>legend and select properties. Select the Fields tab and see what format 
>the attributes are being read as.  I have run into this when generating 
>a csv from a spreadsheet from  different language.  I would convert the 
>format in excel or livre office and regenerate the csv file. 
>Alternatively you can use  text editor to replace the quotes on each 
>value in the existing csv.
>
>Kirk Schmidt
>
>
>
>Sent from my Galaxy
>
>
>-------- Original message --------
>From: Allan Younger via Qgis-user <qgis-user at lists.osgeo.org>
>Date: 2022-06-18 3:13 a.m. (GMT-04:00)
>To: "Kobben, Barend (UT-ITC)" <b.j.kobben at utwente.nl>, chris hermansen 
><clhermansen at gmail.com>
>Cc: QGIS User <Qgis-user at lists.osgeo.org>
>Subject: Re: [Qgis-user] Symbology
>
>csv file
>
>------ Original Message ------
>From "Kobben, Barend (UT-ITC)" <b.j.kobben at utwente.nl>
>To "chris hermansen" <clhermansen at gmail.com>; "Allan Younger" 
><ahyounger at iinet.net.au>
>Cc "QGIS User" <Qgis-user at lists.osgeo.org>
>Date 18/06/2022 12:32:07 PM
>Subject Re: [Qgis-user] Symbology
>
>>Usually this happens if you have numbers (quantitatvie data) that are 
>>stored in your file/db as Strings (text)....
>>
>>
>>
>>--
>>
>>Barend Köbben
>>
>>
>>
>>
>>
>>On 18/06/2022, 04:25, "Qgis-user on behalf of chris hermansen via 
>>Qgis-user" <qgis-user-bounces at lists.osgeo.org on behalf of 
>>Qgis-user at lists.osgeo.org> wrote:
>>
>>
>>
>>Allan and list,
>>
>>
>>
>>On Fri, Jun 17, 2022 at 7:00 PM Allan Younger via Qgis-user 
>><qgis-user at lists.osgeo.org> wrote:
>>
>>>Hi,
>>>
>>>I'm trying to show assay results as simple dot plots as graduated 
>>>colour and size scaled points based on a selected element.
>>>
>>>Problem is that in the layer properties/symbology tab, I cannot 
>>>select anything.
>>>
>>>Had the problem in Madeira 3.4 & assumed was just a glitch that had 
>>>developed in that copy over time.
>>>
>>>Installed 3.22.7, same problem.
>>>
>>>Csv file has 162000 records & 30 column with co-ords for every point; 
>>>with locations plotting a-ok.
>>>
>>>
>>>
>>At the top of the Layer Properties > Symbology dialogue window, have 
>>you selected one of the options other than "No Symbols"?  For example, 
>>"Graduated"?
>>
>>
>>
>>Then in the field Value one of your layer's attributes?
>>
>>
>>
>>Then pressed the "Classify" button?
>>
>>
>>--
>>
>>Chris Hermansen · clhermansen "at" gmail "dot" com
>>
>>C'est ma façon de parler.
>>
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