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seen Jul 14 at 12:26

Apr
7
answered Decimal Degree data erases itself between edit sessions in QGIS
Mar
18
comment QGIS convert attribute table to point shape
@Mapperz comment should be an answer, after opening the layer as a Delimited text csv, you would then save it as a shapefile. Likely you don't need to manipulate the file. WGS 84 should work. What format is the long lat information in the file?
Mar
18
comment How to display a layer's label source column?
Do you use Atlas to do that?
Mar
18
answered How can i change the geometry of an existing layer?
Mar
18
awarded  Revival
Mar
17
comment How can i change the geometry of an existing layer?
The key problem you are describing seems to be that you don't have a "common attribute". If that is the case then you can only really associate the points by proximity (closeness or a specified distance). Or associate them manually. Expand on your question with more information about your data, how many points, what info is in the attributes. Also see this for a similar problem gis.stackexchange.com/questions/89122/…
Mar
16
comment How do I add coordinates to a polygon layer to be able to sort the polygons from north to south in QGIS?
OK, for that (in hindsight) in the original file of the polygons, I create an explicit index column. Using the FieldCalculator, I make a new text column called 'index' with the value of the row number $rownumber from the record section of the function list. That give 1, 2, 3, etc. When you carry out the create centroids step, that index (and all other attributes) will be inherited into the attribute table of the new shapefile. You could then create a 'Join` LAYER|PROPERTIES|JOINS based on the index. Reopen the attribute table and you will see new columns with the values from the centroid.
Mar
14
revised How do I add coordinates to a polygon layer to be able to sort the polygons from north to south in QGIS?
additional
Mar
12
answered How do I add coordinates to a polygon layer to be able to sort the polygons from north to south in QGIS?
Mar
12
comment Does OpenStreetMap have property boundaries?
In Australia, it seems that Google ingested the Digital Cadastral Database (DCDB). Usually you have to buy it, although not a big cost to Google I spose. A new development is that Land and Property NSW is making the data free and much more accessible. See globe.six.nsw.gov.au
Mar
11
comment Does OpenStreetMap have property boundaries?
Which country are you interested in?
Mar
11
comment Best, fast and easy way to print multiple polygons?
Credit for Atlas is due to the outstanding work of the QGIS dev team...
Mar
11
comment How to change a CSV layer attribute value from text to number - once again?
I am not clear what the problem is that you are encountering. I don't use csv-t at all and successfully import csv. If I have troublesome files I view and edit them in Notepad++.
Mar
11
answered QGIS 2.0 Automatic generation of a vector layer out of a point layer
Mar
11
comment QGIS 2.0 Automatic generation of a vector layer out of a point layer
OK, if you have the data "pipe AB goes from hopper A to B" then this is an index. You can avoid MMQGIS and go straight to the Points to Paths plugin. If the index is indeed AB then you will likely need to amalgamate the values A and B on the target points (hoppers?) so that the same value "AB" is on each of the ends of the new line. Note that the source data may have been directional, i.e. line 1 started at A and ended at B, so really the index needs to be 1A 1B, but you may not be trying to reproduce the directional nature of the line? In GIS lines are directional but points are not.
Mar
10
answered QGIS 2.0 Automatic generation of a vector layer out of a point layer
Mar
10
comment Best, fast and easy way to print multiple polygons?
Are you familiar with the Atlas feature in the QGIS Print Composer? You would create a specific layer based on your Split Vector Layer to guide Atlas.
Mar
7
awarded  Yearling
Mar
6
comment Calculate length of line across zones with at least m accuracy
Recently the SSSI published a webinar on the prospect of a new generation datum for Australia, i.e. one that is constantly being updated. sssi.org.au/contents/742/cat/403/region/1.html The parts about NZ will make you realise what it is all about. You will have to supply some detail to view the 3/4 hr webinar here www4.gotomeeting.com/register/689873399
Mar
4
comment Snap points to line and calculate chainage using Open source GIS
Also v.distance from the processing toolbox but I can't get it to run on my machine.