Questions tagged [min]

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Min function ArcPy

I wanted to use Min function from ArcPy. Here there is a link to documentation ( I wrote that code: from arcpy.ia import Min rc =...
Jakub Maciążek's user avatar
7 votes
3 answers

Using all columns to find the minimum with QGIS expression

I want to use aggregating functions (min, max, mean, ...) on all the attributes (= columns) within a row. In this topic Finding the minimum value of different columns in QGIS, this is done by calling ...
Honeybear's user avatar
  • 2,386
0 votes
1 answer

Google Earth Engine Visualization: min and max

I am using ERA5-Land Monthly Averaged - ECMWF Climate Reanalysis to calculate the annual potential evaporation globally. However, I cannot visualize the colour palette in my final output. The problem ...
Nishita's user avatar
5 votes
2 answers

Selecting only one minimum value by expression in QGIS

If there are two values that are equal and minimum, the minimum function in "Select by expression" returns both of them. Is there any way to select by expression only one of them? If not, ...
kartographinya's user avatar
4 votes
1 answer

Creating the minimum convex hull that contains certain percentage of points in QGIS

I'm working with QGIS 3.16 Hannover. I've got a point layer (shapefile) with 3,000 features and I want to create the smallest convex hull that contains 90% of those points. Well, ideally, I would like ...
jpinilla's user avatar
  • 3,230
2 votes
1 answer

Using SELECT with minimal ST_Distance

With this query, I can find the distance. SELECT a.id_one, c.id_two, MIN(ST_Distance(c.the_geom,a.the_geom)) FROM layerone AS a JOIN layer2 c ON ST_Distance(c.the_geom,a.the_geom) < 2 GROUP BY 1,2 ...
pasqal's user avatar
  • 506
-1 votes
2 answers

PostGIS Clustering with MAX, MIN and SUM Limit of Attribute

I have point data with number of peoples living in a house. wkt111,members SRID=4326;POINT(8.40771254932301 52.8935196103868),158 SRID=4326;POINT(8.35609033091261 52.8948388844689),122 SRID=4326;POINT(...
Muhammad Imran Siddique's user avatar
8 votes
2 answers

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 ...
Walther's user avatar
  • 183
2 votes
0 answers

Determining minimum width of irregular polygon with PyQGIS [closed]

I would like to determinate minimum width of an irregular polygon (as those in red in picture) with PyQGIS. Does anyone have any advice?
Sara Gaudio's user avatar