All Questions
32
questions
11
votes
1
answer
20k
views
find polygon corner coordinates
I am trying to get the coordinates of each node of the polygon I create. I would like the attribute table to display the name of the polygon (ex. address) and then the coordinates of the nodes (ex. ...
- 111
6
votes
3
answers
2k
views
Listing IDs of polygons within another polygon in the Attribute table
I have two polygon shapefiles in QGIS.
I would like to have the polygon "ID"s of 'B' listed in the attribute table of 'A' for the case that they overlap.
As a demonstration:
I tried ...
- 812
5
votes
2
answers
605
views
Assigning attribute to polygon after polygonization in QGIS
I've created 50+ polygons by polygonizing a contour derived from a USGS Digital Elevation Model, and I've and fixed the geometries of the polygon layer.
Now I want to assign an attribute (mtn or ...
- 63
4
votes
3
answers
342
views
Prioritising polygons in QGIS
I just created a layer in which I hand drew a lot of polygons.
Now I want to fill out the Attribute table through commands since it will save me a bunch of time.
Therefore, I calculated the area of ...
- 169
3
votes
2
answers
1k
views
Getting the attributes of particular polygon in QGIS
I downloaded a shapefile that has demographic data for census tracts for a city - each represented by a polygon in the vector layer.
I can click the attribute table icon to see the whole sheet of ...
- 641
3
votes
2
answers
135
views
What is the right sequence of actions when creating new polygon layer with given attribute table structure?
I want to create a new vector layer with polygons in it. I've an Excel file with the columns that have to be the attributes in the layer's attribute table. How do I achieve this?
I'm kinda lost, I ...
- 229
3
votes
1
answer
76
views
Returning 1 or 0 in column based on point location using QGIS?
Within QGIS - I have two layers. One is a point layer, the other is a polygon layer.
I'd like to create a column in the point's attribute table using the field calculator where 1 indicates the point ...
- 307
3
votes
1
answer
57
views
Request attribute information from multiple polygons below a point
In QGIS I created a "grid" with points 100 m apart from each other. Below this layer of points there are multiple layers of polygons. Each polygon has a column with values in its attribute ...
- 33
3
votes
0
answers
120
views
Adding attribute of polygon orientation depending on neighbors in QGIS
I have a shapefile with buildings as polygons. Is it possible to add attribute columns referring if the polygon boundary is "other polygon" or "outdoors" for a certain orientation (...
- 309
2
votes
1
answer
3k
views
How to define the type of a field in the field calculator so that the rasterize (vector to raster) tool recognize it?
I have a shapefile (polygon) that I want to rasterize by an attribute but the rasterize tool does not recognize the right field. When I create a new field using the field calculator it does not matter ...
- 377
2
votes
1
answer
400
views
No data in the attribute table when creating buffer in QGIS [closed]
I wanted to create a buffer around a polygon using QGIS. This buffer zone is something I will use to estimate the distances between patches of habitat but every time I do so there's no data in the ...
- 111
2
votes
1
answer
840
views
How to do a "fuzzy" intersection?
I have two layers that look like this:
I want the intersection (or whatever the correct term may be) to look like this where the output polygons are the same as the original base layer, just with ...
- 123
2
votes
2
answers
124
views
"Duplicating" the attribute table for many polygons in QGIS
I have about 45 polygons that refer to parcels of land and I want to create the same attribute table for all of them and edit the information/prices afterwards depending on the parcel.
"Joining&...
- 23
2
votes
1
answer
807
views
Getting information from one layer in attribute table of another layer
In the picture you can see polygon number 39a in the center. This polygon is drawn on one layer. The layer underneath holds information with soil conditions (green and red). You can see that polygon ...
- 51
2
votes
0
answers
43
views
One polygon layer for an area with different projects in the same layer?
I was wondering if it is possible (maybe not ?) to make a structure so that I can have diffrient information (projekts) over the same area/point in the same layer. This would be for an overview of the ...
- 373