Error with Step 1 with GNI example

21 posts Page 2 of 3
gni_support
Posts: 75
Joined: Wed Sep 20, 2017 1:05 pm


Thu Dec 21, 2017 1:01 pmmacsmith wrote:
Are you unable to access the url I sent?
Yes, I can't access the url, sign up is required.
Thu Dec 21, 2017 1:01 pmmacsmith wrote:
I beleive I have a non-empty layer.
Which version of QGIS are you using?

Please, remove all other temporary polygon layers (QGIS in older versions tends to mismatch temporary layers in processing input).
macsmith
Posts: 16
Joined: Mon Dec 18, 2017 3:46 pm


here's a low quality (smaller) version.

Ian
Attachments
qgis1-4.jpg
qgis1-4.jpg (202.82 KiB) Viewed 15143 times
macsmith
Posts: 16
Joined: Mon Dec 18, 2017 3:46 pm


My system details are:
windows 10 64 bit
QuickOSM 1.4.6
Grass 7.2.2
QGIS 2.18.15

I beleive there is only 1 polygon.

Thanks

Ian
gni_support
Posts: 75
Joined: Wed Sep 20, 2017 1:05 pm


Thu Dec 21, 2017 1:55 pmmacsmith wrote:
I beleive there is only 1 polygon.
On the screenshot you have two polygon layers with the same name (New scratch layer). Are you sure, you choose the correct one in algorithm input? Please, remove the second one.
macsmith
Posts: 16
Joined: Mon Dec 18, 2017 3:46 pm


Hi,
second one remove but still get the same error.
Thanks
Ian
gni_support
Posts: 75
Joined: Wed Sep 20, 2017 1:05 pm


Hello,
There is also polygon layer named 'area' on your screenshot.
Please, make sure you are using correct non-empty layer as processing input.
macsmith
Posts: 16
Joined: Mon Dec 18, 2017 3:46 pm


'area' is the one that is to be used, at least according to the video (https://www.youtube.com/watch?time_cont ... QvpPl-J7b4). It is the one which is highlighted.
gni_support
Posts: 75
Joined: Wed Sep 20, 2017 1:05 pm


Thu Dec 21, 2017 2:58 pmmacsmith wrote:
'area' is the one that is to be used
In that case, make sure the 'area' layer is non empty. On the screenshot I can see that you are editing (and probably selecting from) the 'New scratch layer' layer not the 'area' layer.
macsmith
Posts: 16
Joined: Mon Dec 18, 2017 3:46 pm


problem solved. The required plugins were not installed.

The GNI document is not a comprehensive installation document. I didn't realise that the Scipy clustering plugin is classed as experimental, for example. It's necessary to tell the plugin manager to display experimental plugins before it can be listed and installed.

Got there in the end.

Thanks
FREENEUTS
Posts: 78
Joined: Sun Aug 25, 2024 2:12 pm


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21 posts Page 2 of 3
ekskluzywne stoły stoły włoskie nowoczesne