Questions tagged [values]
The values tag has no usage guidance.
8
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28
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Reading attribute values using PyQGIS
What is the way to get the information contained in the attribute table, say in column 2, row 2 using PyQGIS?
11
votes
1
answer
2k
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Creating predefined values in field using PyQGIS
I would like to make programmatically (with Python) the same thing than we can do directly in QGIS when you create a list of values for a field.
I would like to create a new field and specify a list ...
8
votes
2
answers
2k
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Finding the minimum value of different columns in QGIS
I'll try to calculate the minimum value of four different columns in my QGIS table like:
The min. value would be 1,50286 in the first row.
Is there any expression or tool to find the minimum value ...
7
votes
2
answers
407
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Classifying raster layer by number of equal values in given area using QGIS
I am using QGIS 3.16.12 - Hannover. I have a binary raster layer which consists of 2 values, either 0 or 1 (in my screenshots, 0 = black, 1 = white). The 1 values are scattered throughout the layer in ...
3
votes
1
answer
162
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Creating buffers with values, and finding areas with high value overlap of these buffers
I'm working on a project where, essentially, I'm measuring threat levels based on geospatial patterns. I have different groups with higher or lower threat levels based on the distance from their ...
3
votes
1
answer
1k
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How to create a Value Map widget type to select multiple values (checklist) from the dropdown?
I have a polygon layer that represents tree/shrub planting sites that were done. As part of the attribute table, I have fields representing things like tree density, species, soil work, tree size, etc....
2
votes
1
answer
367
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QGIS3 - Simple automation of QGIS output - turn values on/off & print out dozens of maps
I need to make a series of maps of a single location and make a single map for each value in the layer.
I have a layout I've created with borders, texts, north arrow, and everything, with the map, and ...
1
vote
1
answer
3k
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Sorting dictionary values and getting sorted keys in new dictionary using Google Earth Engine
How can I sort a dictionary's keys in Earth Engine based on their values?
For example, I have such a dictionary defined in Earth Engine after some calculations and I want to sort that based on ...