[Qgis-user] Polygon coloring

[KLGan]

Hi Andreas,

Thank you for taking time to explain. This is very helpful for newbie to
GIS software like myself.

I experiment with Google Maps Engine Lite,  and than strait to QGIS. I
learning it to help NGO with their free and fair election drive.

Appreciating QGIS software and the support from members. Sharing with
anyone looking for a gis software.

Thanks :-)

KLGan




On 4 October 2013 20:12, Andreas Neumann <a.neumann at carto.net> wrote:

> Hi,
>
> Note that there is a fundamental difference between a drawing package
> and GIS.
>
> In a GIS you usually do not store graphical properties (like color,
> stroke-width, pattern, text settings, etc.) directly in the data. You
> would define rules how the data is styled, which are derived from your
> data columns. This way you can easily create different variations
> derived from the same data. A rule can be a category, a range or a more
> complex rule as you can define it with the expression builder.
>
> In a drawing package (like Illustrator, Inkscape or CAD) you directly
> store the graphical properties with each object with the consequence
> that it is much harder to create different visualization based on the
> same data.
>
> Hope this helps.
>
> Andreas
>
> Am 04.10.2013 12:02, schrieb Jonathan Moules:
> > If you google around ("qgis manual download pdf") there are several PDF
> > documents. I doubt any are for 2.0, but for basic stuff QGIS hasn't
> changed
> > too much between versions. I.e.:
> > http://manual.linfiniti.com/
> > http://nathanw.net/2013/01/06/qgis-manuals/
> >
> > etc.
> >
> > Jonathan
> >
> >
> > On 3 October 2013 11:27, KLGan <1klgan at gmail.com> wrote:
> >
> >> Thanks Andreas,
> >>
> >> I am new to QGIS, and for a moment thought this is not possible. Glad to
> >> know these are basic stuffs in gis :-)
> >>
> >> Will browse the manual (how I wish the manual is available for download)
> >>
> >> Thanks
> >>
> >> KLGan
> >>
> >>
> >> On 3 October 2013 17:54, Andreas Neumann <a.neumann at carto.net> wrote:
> >>
> >>> Hi,
> >>>
> >>> This is very basic GIS stuff. Please consult the QGIS manual for this.
> >>>
> >>> As a hint:
> >>>
> >>> You need to define either of:
> >>>
> >>> * a rule
> >>> * a category
> >>> * assign a column that contains color values
> >>>
> >>> These are available in the layer properties and in the "Styles" tab.
> >>>
> >>> All of these are described in the QGIS manual:
> >>>
> >>>
> http://www.qgis.org/en/docs/user_manual/working_with_vector/vector_properties.html#style-menu
> >>>
> >>> Good luck,
> >>> Andreas
> >>>
> >>> Am 03.10.2013 09:44, schrieb KLGan:
> >>>> Hi,
> >>>>
> >>>> I have a layer with many polygons. I want to change the color of some
> of
> >>>> the polygons. How can I do this in QGIS?
> >>>>
> >>>> Currently changes apply to all the polygons, not individual one.
> >>>>
> >>>> Thanks :-)
> >>>>
> >>>> KLGan
> >>>>
> >>>>
> >>>>
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> >>>>
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> >>
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