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0
votes
0answers
13 views

Uisng Directed force graphic to connect terminals in CartoDB?

I am starting using SQL for my internship, we are creating a map for terminals (points representating a port, train station or logistic centre) and what I would like to do is use the Directed force ...
0
votes
1answer
154 views

Manipulating distances in python. Problem with ShapeLength

I have a question more than a problem. I'm getting the distance of a line using python with arcpy.da.SearchCursor or FeatureClassToNumPyArray. The result I get is a double. Example: ...
0
votes
1answer
186 views

Sum of values within a buffer polygon

I need to do the following in QGIS and hope so much anyone could help. I have a vector layer with points. Each point represents a firm with the number of employees in the attribute table. I want to ...
1
vote
1answer
333 views

Aggregate points with same values to polygons

I have a shapefile with 2M measurement points (each measurement point has a resolution of a 1/10). How can I aggregate points around each other if and create polygons out of it? They do not have to ...
5
votes
1answer
302 views

How to draw a line between two places with via-points?

I have prepared a GPS-tracking dataset, currently consisting of one table with stopping points and one table with the raw GPS-points. The first table contains a column for any stopping point showing ...
1
vote
1answer
546 views

Aggregate Data between Polygons

I have data at the ZIP3 level and I need to join it to a state file. I also need the data within the zip3 file to be averaged, but for some reason when I use the join tools, i'm not getting the ...
10
votes
2answers
2k views

Is there a Free Aggregate Points tool out there for ArcGIS 10?

I need to do some Getis-Ord analysis but first I need to aggregate my points. I know of XToolsPro, but the aggregate points function is locked and you must purchase a license to use it. I am ...
2
votes
1answer
177 views

ArcGIS 10 SP2 issue with AggregatePoints

ESRI persuaded us to upgrade to SP2 and now we cannot use the code we have, as it doesn't work. According to the download material, NIM063853 is when AggregatePoints doesn't create the derived table. ...