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Questions - centroid

Geodjango Querying geometry returns pointer instead of geometry

I am trying to get a single MultiPolygon geometry in a Queryset from this model: class local_administrative_unit(models.Model): lau_id = models.IntegerField(primary_key=True) lau_name = models...
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MightyRavendark

python

django

geometry

geodjango

centroid

Votes: 0

Answers: 1

Latest Answer

Meanwhile I found what i missed. It is basically all explained in the GeoDjango Tutorial which i appearently overlooked before. GeoDjango creates a GEOSGeometry object when the geometry is first acces...
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MightyRavendark

Find the cluster centroid closest to a predicted coordinate and return the cluster of the closest centroid

I am predicting latitude and longitude coordinates. When I predict for example the latitude coordinate, I want to compare this prediction to another variable which contains the cluster centroids of th...
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Klaart

r

cluster-computing

centroid

Votes: 0

Answers: 1

Latest Answer

Provided that I understand correctly what is expected the following may work: library(dplyr) foo <- function(x, cluster_coords) { mat <- cbind(x, cluster_coords) distance <- apply(mat, M...
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hrvg

GIS Vector use in Netlogo and patches compatibility

Using the gis extension in NetLogo I aim to upload a large vector into NetLogo. Between the apply-coverage command and the following lines of codes, I picked the following because they are faster and ...
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Sarahdata

attributes

gis

netlogo

centroid

Votes: 0

Answers: 1

Latest Answer

Yes, but no, but maybe. It depends what you actually need to do. Raster datasets in GIS are a good example of this 'problem'- they are discrete representations of real-world data, but typically broken...
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Luke C

Saving centroid of a (multi)polygon as point geometry in a model

I have two tables, one with multipolygon geometries, the other with a column for point geometries. I want the centroid of the selected polygon to be saved as the point geometry for the other table. cl...
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MightyRavendark

python

django

geometry

geodjango

centroid

Votes: 0

Answers: 1

Latest Answer

finally I found a solution. Added this to the CreateView: def form_valid(self, form): pol = models.local_administrative_unit.objects.values('geom').filter(lau_id=form.cleaned_data['municipality'].lau_...
test-img

MightyRavendark

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