Questions tagged [key-value-store]
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8 questions
2 votes
1 answer
1k views
Computation with dictionary-values in GEE
I have FeatureCollection in GEE , so for each feature there is data in the properties about total number of pixels, means and more data. I would like to add new column with computation based on this ...
- 2,099
1 vote
1 answer
394 views
Summing Values for Each Item in a Dictionary
# Create dictionary with segmentid as key, calculated length as value1, measured length as value2 fiberCableLengths = defaultdict(list) with arcpy.da.SearchCursor(fiberCable, ['segmentid', '...
- 399
0 votes
1 answer
5k views
How to sum values for any x,y coordinate as key in a dictionary by PyQGIS? [closed]
I have a dictionary that it's keys are the x,y coordinates and values are any number example: {(232211,3.7094e+06): [83.77895325168048], (232111,3.7093e+06): [176.90244718253913], (232211,3.7095e+06)...
- 1,046
0 votes
2 answers
2k views
Creating key map in ArcMap 10.2?
I have a map with a parcel (property) layer with property information including the owners name and address. I would like to label all of the properties with a key number/letter and reference it to a ...
- 584
0 votes
1 answer
369 views
Lost Foreign key during conversion of SQLite to PostgreSQL using ogr2ogr
I want to centralise several small sqlite databases into a single, big, postgresql database. I am using ogr2ogr to convert my sqlite / spatialite (v3.7.17 / v4.1.1) databases, each one consisting of ...
- 105
2 votes
1 answer
3k views
sorted ItemFileReadStore list not pushed to dropdown menu // Dojo, ArcGIS
this may be more a Dojo question than ArcGIS, but I am not sure if the Javascript API is related to this issue. I am trying to alphabetically sort a Dojo store and show these items in a dropdown ...
- 610
2 votes
4 answers
2k views
How do algorithms load pieces of maps?
If the user moves the mouse pointer to the top left corner of the screen, I want my software to auto-load the three tiles that are closest to the mouse pointer. My assumptions are that the smaller are ...
- 375
29 votes
9 answers
7k views
Is there any way I can use a Key-Value store for geospatial data?
I have used many relational databases in the past, but I have also read about all NoSQL databases, and the Key-Value stores looks interesting. When I store geometric object I mostly use five indexed ...
- 2,231