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2 votes
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Splitting feature into individual features in QGIS

Use Multipart to Singlepart Splits multipart features in the input layer into singlepart features. From one multipolygon to 2786 single part polygons:
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1 vote

What do the colors mean on this 1892 plat map?

I am not sure how "authoritative" they are, but Art Source International is in the business of selling vintage maps and posters. According to Coloring of Antique Maps - Art Source ...
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1 vote

Change the color of map elements with a unique ID

If your GeoJSON features have unique id as feature attribute id, this becomes also OL feature id, and then you can retrieve this feature from layer source by .getFeatureById method. You can then set ...
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5 votes

Finding change between two sets of polygon data in QGIS

Run Menu Processing > Toolbox > Geometry by expression with this expression with Input Layer the polygon layer representing the boundaries in 2020. In the expression at the end of line 2, ...
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1 vote
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Delete a shapefile feature without mixing up the feature IDs?

Shapefiles (being an old and obsolete format) don't have a dedicated feature id, they just use the row number so a delete will change (some) of the ids when you close and reopen them.
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2 votes
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Saving selected features as new layer using ArcPy

You can try to save the result of the selection in a variable and then copy the value in the variable. sel = arcpy.management.SelectLayerByLocation(input, "INTERSECT", intersecting_features, ...
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1 vote

Counting number of selected features in QGIS

There are several methods that I may refer you to: 1. Press Shift + F6 to open attribute table with selected features only. There will be two values that represent the number of selected features: '...
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  • 23k
2 votes

Counting number of selected features in QGIS

This works fine for me: from qgis.core import * import qgis.utils layer = iface.activeLayer() features = layer.selectedFeatures() print ("Total count", layer.featureCount()) print (...
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1 vote

Adding natural breaks classification to feature table

Might be too late to the game for you but... I just discovered the Reclassify Field tool in ArcGIS Pro. I needed to divide my vector data into 5 classes (Natural Breaks) and this tool does it for you!
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