Questions tagged [splitting]

Division or partition of geometric features

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32 views

QGIS splits line feature at all intersections? [duplicate]

I have a long GPS track that I've converted to a shape file. I need to divide it into segments. The first time I use the "split features" tool, it makes a cut where I draw my line, but also splits the ...
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38 views

Problem creating a GeoTIFF with RGB splitting image - R

I've like to split a RGB raster in multiple pieces and save each image in GeoTiff format, but in the file name I need the count of points (pts) inside each piece. My code runs perfectly when I used a ...
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0answers
26 views

Split lines in R creating 2 group ids [duplicate]

I would like to split a linestring into two features separated by a point. Here's what I mean: This is what I've tried so far in R using the sf package: Sample data library(sf) library(dplyr) # ...
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1answer
44 views

How to get only Intersected polygon in Open Layers 3

I am trying to draw a line on polygon which I want to split, Example: I want to split 616 polygon as show in image with below code when I tied to get intersected polygon I am getting 616,617,615 ...
2
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1answer
25 views

Using splitGeometry in PyQGIS

Using QGIS 3, I'd like to split a polygon using a line. My inputs are .geojson files, but that should be irrelevant: Line: { "type": "FeatureCollection", "name": "line", "crs": { "type": "name", "...
2
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1answer
58 views

Splitting vector layer into shapefiles (not geopackage) using QGIS?

Using QGIS 3.6.3, I have a layer with ten polygons. I want to use split vector layer to split the file into ten shapefiles, But the result output file is a Geopackage. How can I get ten shapefiles by ...
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2answers
114 views

Splitting polygon using another polygon in QGIS?

I have two polygon layers (yellow and orange in the attached image). I am wondering if there is a way to get a count of the number of isolated areas that the orange polygon has divided the yellow ...
2
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2answers
62 views

How do I split a line feature in segments of a set interval distance in Qgis?

In order to record some vegetation along a Dutch highway, I want to create a line feature along said highway of about 25 kilometers. The line feature must be split every 100 meters to create seperate ...
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0answers
13 views

Error while converting WGS84 => Albers-Siberia by ogr2ogr [duplicate]

While converting from one geosystem to another polygons crossed by 180 meridian left got split into eastern and western parts. Tool used - ogr2ogr library. Initial geosystem - WGS84, target - Albers-...
2
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1answer
96 views

Client-Side Polygon split

I wanted to know if there is a way to split a polygon using JavaScript. So I have a web map which uses Leaflet API, and the user needs to cut polygons which are shown in the map using a straight line. ...
2
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1answer
196 views

Splitting polygons and dividing attribute value proportionally using ArcGIS Pro?

I am using ArcGIS Pro 2.3.0. I have two feature classes (pictured below), RED polygons and BLUE polygons. The RED polygons have a numeric attribute, Value1. How can I split the RED polygons with ...
2
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1answer
97 views

QGIS SAGA split lines at points creates redundant lines

I have 2 projected (ESPG 2039) layers of roads and points (bus stops and junctions). I snapped the points to the roads layer and this is how it looks: I then try yo use Saga Split lines by points to ...
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0answers
34 views

Splitting line into two lines with GRASS GIS?

I converted a raster to polygon, after converting polygon to lines I have one line of the channel of a river which border a river. But I need to split this line in two lines: left border and right ...
2
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1answer
48 views

Split a polylines according to a specific point in R

I have 2 distinct spatial objects: on one hand I have a SpatialLinesDataFrame on the other hand I have a SpatialPointsDataFrame Considering one line and one point that intersects that line, I ...
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0answers
17 views

Splitting polygon using ArcGIS Pro ModelBuilder?

I would like to split several polygon features using other polygon features inside a model. I use arcgis pro 2.2.4 When I do it manually, it works perfectly fine and quite fast, but inside the model ...
0
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2answers
39 views

Splitting polygon with line in ArcGIS Pro?

I am using ArcGIS Pro and I want to cut my polygon features with a line, as the output would be also a polygon. I have no special licences, so I am looking for an alternative way.
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0answers
92 views

Spliting shapefile by geometry in QGIS

I was wondering if there is a way to split a shapefile's features in QGIS? I have many polygons in a shapefile which are separated geometrically. But in their attribute table they all have came in ...
3
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1answer
62 views

Splitting long polylines in shapefile?

I am looking for preferably a Linux command line tool that would spit long polylines in my shapefile to shorter segments. Length limit can be defined by the length in meters or in max number of ...
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0answers
28 views

Split Tool Deleting Smaller Polygon

I'm attempting to use the split tool to divide a vector shapefile into two parts. I used a process that I've been successful with before: Go to Edit > Split > Select my feature to split > Draw a line ...
4
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3answers
621 views

QGIS split vector layer gives me GPKG files but I need shp files

QGIS 3.6.0 I am new to QGIS software and not very technical on its deep workings. I am trying to split a .shp file using split vector layer. I need .shp file outputs but it auto creates .gpkg files. ...
3
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1answer
59 views

How do I split subjacent lines and merge attributes in QGIS [duplicate]

I have 2 vector line layers. They are subjacent, so one of them is exactly on top of the other but the features have different nodes and attributes. My goal is to create labels and descriptions for ...
1
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1answer
27 views

Using ArcMap to Split shapefile into multple shapefiles by attribute category?

I have a shapefile feature class that represents an area with signal strength per section of area. It has signal strength from multiple radio sources but I would like to make separate file for each ...
2
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1answer
519 views

Split polygon by MultiLineString - shapely

I'm working on splitting a polygon given a set of linestrings using the shapely python library. The problem I'm facing is that a polygon cannot be split by a MultiLineString usingshapely.ops.split(...
1
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1answer
111 views

Merge connected lines and split them after set unequal distances

I need to edit line features in QGIS 3.4.4. I have more than 1000 line features that I want to first merge and then split. The line features describe roads in useless intervals, my goal is to ...
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0answers
35 views

Exporting by attributes to PDF

I need to write a model in ArcMap that is similar to "Split by attributes", but, instead of creating the feature classes, it zooms the layout by unique attribute and export it to PDF. Any ideas about ...
2
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1answer
102 views

How to split and reproject a polygon shapefile into a grid based on area proportion with QGIS?

I have a shapefile with polygons (municipal.shp) which contains a variable (float numbers) for each municipality of an area. I want to distribute these values into a vector grid (grid.shp) with ...
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0answers
123 views

Impossible to split line in two parts with QGIS tool 'Split features' [closed]

I'm willing to cut a line in two parts with QGIS. So I enabled Snapping and I wanted to use the Split Features tool, like I've seen anywhere: one first left click and then another left click on the ...
0
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1answer
101 views

Clip linesegment at a polygon boundary using turfjs

Having a linestring and a polygon, Is there a way to clip the linesegment at the boundary of the polygon and retain the shape of the linestring which runs inside the polygon? Example Linestring { ...
0
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1answer
87 views

How to separate or cut the elevation from bathymetry raster TIFF file with vector layer coastline in QGIS 3.4.3?

I have a raster GeoTIFF file downloaded from GEBCO 2014 which contains bathymetry and elevation. I need to split in 2 layers the raster GeoTIFF file (layer: Bathymetry and layer: Elevation) using ...
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0answers
11 views

Clip the underlying map into several separate layers at once based on the rectangular fishnet

This is the final map of yield data. In order to see the details at a finer level, I want to cut the sections of the map overlain by the rectangular grid and display them as separate maps. Is it ...
2
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1answer
54 views

Split a line at a specific elevation

I have a polyline shapefile with the following attributes: start elevation, end elevation, slope and length. I need to split the lines at a specific elevation, using ArcGIS. Essentially, if my line ...
2
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0answers
27 views

Showing split polygons in different layers in QGIS

I used the split feature to split a polygon into two parts. Is it possible to show the split parts in sub-layers in the layers panel, so that I can hide them individually? I am using QGIS 3.
1
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1answer
61 views

Splitting multilinestrings in segments using PosgreSQL

I need to split several multilinestring into a defined number of segments using PosgreSQL. I tried using ST_subdvideand ST_segmentize but they didn't work. Can someone help me to solve this problem? ...
3
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1answer
74 views

Filling or splitting polygons proportionally based on variables using QGIS?

I want to divide each country into three separately coloured areas, like this: The proportions of the three coloured areas must based on three columns of attribute data in the country shapefile's ...
1
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0answers
20 views

Split Multiple Rasters into multiple rasters of different size in QGIS

I am wondering if there is a way to take multiple .tiff or .ecw files of any given size, and divide them up into multiple files of the same type, but of different size, using QGIS. Also, is it is ...
2
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1answer
75 views

Un cut features QGIS

I was working on a polygon that I split using the Split features tool. I'd like to put it back into one piece, is there a way to do so?
1
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0answers
28 views

Split single polyline network at a point feature to make unique fields with unique distances

I am working with a large river network polyline shapefile. I am trying to calculate a dendritic connectivity index using a point shapefile representing locations. The river network shapefile has a ...
1
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1answer
234 views

Splitting polyline at multiple points using Mapinfo Pro?

I have a table of points and used the mapbasic app "Connect the Dots" to create a polyline. The problem is it creates a single polyline and I want to split it up into separate lines so I can delete ...
2
votes
1answer
35 views

Change unit in Split tool on ArcGIS Pro?

I'm working on a project with a CRS in meters, map units and display units are also in meters, but Split tool (from Modify features) is in feet: Is there a way to change unit to split based in a ...
1
vote
1answer
39 views

Merging lines, issue

I use qgis 2.18. I've merged two lines into one with the merging tool from advanced toolset. When I cut off a small part of the line, I see the original lines again? In these two lines I have the same ...
2
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2answers
65 views

Splitting catchments in GRASS

I have the polygon of my catchment of interest, I call it catchment A (Reyran in the schema). (format *.shp). I have also the x-y coordinate of a dam that is situated in the catchment. I have also a *...
0
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0answers
42 views

Split Polygon to match length of lines with QGIS

I have a large polygon shapefile with many features (green), representing waterbody outlines, and a line shapefile (brown) representing river sections. I now want to split the polygon features into ...
0
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1answer
73 views

Splitting line into segments of different length with ArcGIS Desktop?

I have a river network and I have to split each river into transects of different length. The distances where the lines have to be split are in an excel sheet. For example I have to split the river 1 ...
3
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0answers
166 views

Splitting lines/creating vertex at intersection using PyQGIS?

I am looking for an easy way or function to split 2 previously selected line features (generate vertex) at intersecting points (or touching points). See the following picture: I am developing a ...
0
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1answer
155 views

Dividing polygon and assigning values ​proportionally (population) using QGIS?

I need to split several polygons (census blocks) that contains numerical attributes (population) into smaller blocks, but assigning that data proportionally. For example: if the splitting is made by ...
0
votes
1answer
38 views

QGIS Line Subdivide by distance

I know in QGIS you can subdivide a line, but is there a way you can type in a distance and the line will split according to this, with the last segment being smaller in length? If not I will try to ...
1
vote
1answer
81 views

Using Iterator with ModelBuilder for clipping and splitting in ArcMap?

My input feature class is a county-wide dataset and the input clip feature is a township’s ‘section.’ I have 576 different ‘sections’ in which to clip the county-wide data out to. Though I dont have ...
1
vote
1answer
68 views

Splitting line in proportional parts in QGIS

I have recorded flight paths of birds as lines. Now I want to transform the lines to points, which represent the bird's position in a minute interval. For this I want to divide the lines by the time I ...
1
vote
1answer
111 views

ModelBuilder overwrites output when using split tool?

I have one SHP file containing polygons that describe splitlines in rows and cols. I'd like to use this to split an existing dataset of a few hundred SHPs containing tree positioning data. The extends ...
0
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0answers
35 views

Why does ArcGIS produce different file output types for the 'Split by Attributes' tool when using either ArcPy or the GUI?

I'm trying to split a polygon shapefile into separate shapefiles based on attribute values within an ArcPy workflow. I use the following: inData = "saltmarsh_extent.shp" inTemp = "G:\tmp" arcpy....