Division or partition of geometric features

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3
votes
3answers
418 views

Cut/Clip/Split a polygon with another polygon from same layer (Editing)

To not have overlapping polygons/features I normally use a practice where I use one or more polygons to clip/shape other polygons. This is often much faster than tracing when adding polygons etc. I ...
1
vote
2answers
19 views

Exporting feature class into multiple feature classes based on field Arcmap

I have 1 shapefile, with 100 rows data. How to Split to multiple feature class based on attribute I selected? I remember I can do it using GUI (old arcmap) but now I cant. I use arcmap 10.3.1. It's ...
2
votes
1answer
30 views

GRASS GIS: how to define several variables in a loop without the command locals()?

I am working on a Python script in GRASS GIS and want define several variables in a loop. My simple loop is working, but I don't know how to integrate sevaral variables. ...
1
vote
2answers
465 views

Split polyline where it intersects with other lines in MapInfo

I have a polyline (bus route) which I want to split where it intersects with other lines (not polylines) I have created. I'm happy to initially do it manually to see how it works, although I would ...
3
votes
1answer
32 views

How to split every arc in a shapefile exactly in half?

I have a line shapefile containing several thousand arcs of varying length, representing a road system. I need to split each arc exactly in half along it's length. The resulting output would thus ...
1
vote
0answers
16 views

Splitting polygon into multiple fixed-width polygons along edge in R?

I have a polygon and would like to spit into grid with fixed width along with one edge. The result will look like the figure below. Are there algorithm to achieve my target? My language is R, but ...
1
vote
1answer
16 views

JTS: split arbitrary polygon by a line

I just discovered JTS through this stack exchange. I'm looking for a Java solution to cut an abitrary polygon into two by a line. I've implemented one that does fine on convex polygons, but it messes ...
0
votes
1answer
260 views

What to use as split field or target workspace with Split tool?

I'm trying to use the split tool in arcgis 10.1 but I dont know what I should use as the split field or my target workspace. W:\S&P\s&p techs\Emily\Geodatabase\Geodatabase.gdb this is what I ...
0
votes
1answer
49 views

Parcel Editor Functions Disabled

What I want to do is cut polygons into new euqal size polygons, so far the only solution I found was using the Parcel Editor. However, I cannot use any of the functions because everything is disabled ...
7
votes
5answers
2k views

Split lines into non-overlapping subsets based on points

Given a table with line geometry, and one or more points that are snapped to this line in a separate table, I would like to split each line with one or more intersecting points at each of the ...
2
votes
1answer
27 views

Split tool not splitting line as expected in ArcMap?

I have a long line that I would like to split. Therefore I start editing, I select the line and, once I chose the split tool, I click where I want to divide my data. What I noticed is that in some ...
1
vote
0answers
30 views

ArcGIS Geometric Network splits at junctions after editing route?

When I edit a Vertex of route (1) in my geometric Network, the route (2) which first was one route splits up in two routes at the junction. The m-Values from the Initial route are from 0.000 - ...
0
votes
1answer
35 views

Splitting a line into multi-line at desired points in arcgis 10.1

I am currently working on a project in ArcGIS 10.1 Advanced license regarding the a single facility multiple destination analysis. But, I encountered a problem. I have to separate line features into ...
1
vote
3answers
110 views

Creating line from point based on intersecting line at 90 degrees to line in ArcMap?

I am using ArcMap 10.2/10.3 and I need to create lines from points, so I can split polygons at the created line, as per the image below. So I have to cut the polygon at a 90 degree angle to the line ...
2
votes
1answer
27 views

Split No Longer Working When Creating Enclosed Polygons

I have been using ArcGIS Pro to create a large polygon feature class. Some of the polygons have enclosed areas I need to remove. I have been using the Split tool under Modify Features and it has ...
2
votes
1answer
36 views

How can I split a polygon by network line in QGIS?

I have a road network as line layer and a land cover as polygon layer, I want to find number of subpolygon for each polygon that divided by line layer in QGIS? I used union function in Geoprocessing ...
4
votes
1answer
109 views

How to split a polygon into multiples sections in QGIS?

I am working on QGIS latest version 2.12.3. I am digitizing a polygon. It represents a riparian buffer of a river. The polygon made a continuous « loop » with a widht of 50 meters. I want to split my ...
2
votes
1answer
46 views

Can't Find the Split selected features with selected line from another layer tool

I'm trying to split a selected polygon features with a selected line from another feature layer. I, however, can't seem to get the tool for this to show up in my advanced digitize toolbar. In ...
1
vote
0answers
25 views

Singlepart to multipart not producing results [closed]

I have a line - a street downloaded from OSM. It is in separate parts geometrically, but is contained in one record in the attribute table. That means it is only one row. I would like to split this ...
3
votes
1answer
119 views

Get ID for each single v.to.points point in GRASS?

How do I get for each v.to.points point an ID in the database (DB). So far I splited the line (each 10m) but it returns only one DB entry for each original line. v.db.select line cat|Id|Name ...
8
votes
5answers
3k views

How to split OSM roads into individual segments at intersections?

I want to create a road-network for use with pgRouting using OpenStreetMap data. I loaded a shapefile from GeoFabrik into a Postgres table (with PostGIS enabled). However, one problem I had was that ...
4
votes
0answers
47 views

Why won't my points (that I created by intersection) won't intersect with the geometry they've been created from?

I created a set of points by intersecting a linestring layer with the boundary of a multipolygon layer like this: CREATE TABLE freiraumkataster_grenze AS SELECT gid, ...
2
votes
1answer
93 views

Split SHP file using ogr2ogr

I am trying to split a SHP file using all the attributes in the column header SUBURB. Below is an example of the attribute table sitting behind the SHP file: Name Suburb ABC BAY ...
2
votes
1answer
2k views

How to split multiple lines into equal parts or overcome split tool limitation using Basic or Standard license?

I would like to split multiple lines into equal aproximately 10m lengths. (Line length / 10m = number of segments) The split tool can only split one selected feature at a time. To overcome this I can ...
2
votes
3answers
1k views

How to split a line every x meters? [duplicate]

I have a line that I ultimately want to split up into points. The points should be every 100 meter along the line. So I don't want to extract the nodes. Are there any OpenSource (QGIS, Python) tools ...
4
votes
1answer
280 views

Splitting data into geographic zones for multiprocessing

I have been looking at multiprocessing and tools like Find Duplicates in Big Data and they seem to simply split the data into sections based on rows/number of records. I am trying to do an intersect ...
1
vote
2answers
165 views

How to get the LineStrings from a MultiLineString

I was wondering if there is a way I can extract the LineStrings from a MultiLinestring object. What I am really trying to do is look into a MultiLineString and see if I have a certain LineString. I ...
1
vote
1answer
36 views

Empty feature classes made when trying to split by attribute

I am working with a Basic license of ArcMap 10.3, and I am trying to split a feature class into multiple feature classes in a geodatabase by unique values of an attribute. More specifically, I have a ...
3
votes
1answer
63 views

Divide line by length with QGIS [duplicate]

I'm a newbie using QGIS 2.12 and I'm trying to split a line in QGIS and place points every x meters. There is a tool in ArcGIS (divide by length add in). How to achieve this in QGIS?
0
votes
0answers
25 views

Changing output name prefix based on polygon attribute using ArcGIS Split tool?

I want the output file names of the raster split tool (ArcGis; http://resources.arcgis.com/en/help/main/10.2/index.html#//00170000009v000000) to carry a specific attribute (not FID) of the polygon I ...
2
votes
0answers
46 views

Split Polyline QGIS - Too Many Resultant Features

I'm trying to split a single polyline into 2 polylines (I have lines that loop back on themselves, and I need to split each one into two lines: one for going, and one for coming back). When I use ...
1
vote
2answers
78 views

How to split osm data

I have a gigantic OSM geodata file of a city, and I want to split it into smaller files according to each group of tags. I googled it up and i found that there is a jar file caller splitter.jar . i ...
2
votes
2answers
47 views

Split on a dash in python

SO I am looking to do a split on a attribute that looks like 45-4. Now all the attributes have values. here is my code so far: import fme import fmeobjects def processFeature(feature): f_type ...
2
votes
1answer
70 views

Polygon split with defined area

I have polygons with interpolated data like on the picture on right. Now I want to split this polygon into smaller polygons with predefined similar area. Positions of these smaller polygons must be ...
1
vote
1answer
213 views

Split a polygons into many polygons based on points using ArcMap

I have: A polygon feature that is a national park boundary, A multi-point feature that are security guard posts (number = n ) of the same park. I want to divide the national park area into 'n' ...
3
votes
2answers
64 views

Splitting up selected islands using ArcGIS for Desktop?

What I'm trying to do is to split up that selected islands as single-part features/ polygons. But not all of them, you can see some little dots around the islands are like a part of the island. So ...
2
votes
3answers
101 views

How to split a polygon by a polygon using PostGIS?

I've a large polygon (table_a) that contains a smaller polygon (table_b). Now I want to split the larger polygon by the smaller polygon. Unfortunately st_split(table_a.geom, table_b.geom) isn't ...
1
vote
0answers
29 views

Split Polygon Layer by other Polygon layer in QGIS

I know there is a lot of previous posts to this subject, but I simply cannot find the solution I am after in the other posts. I have to following problem: I have two very extensive polygone layers, ...
1
vote
1answer
66 views

using qgis to split geometry in postgis: how to add unique id and copy original data in linked tables

We have set up a postgis database to manage all our old shapefiles. There is one table that contains the geometry and some basic information. There are several tables linked to that in a 1:m ...
1
vote
1answer
74 views

Splitting a Line on a Polygon QGIS 2.10

I am currently creating a polyline shapefile and need to split a line so as to add in a new off shoot. Would anyone happen to know how to split a polyline in QGIS? I have tried the split features ...
7
votes
1answer
265 views

Cutting linestrings with points?

i was checking the best way to cut linestrings by points. The scenario is: lots of streets, need the segments cut by intersect points, kind of this: I got linestrings (full uncuted by points) ...
1
vote
2answers
168 views

Splitting raster in QGIS? without cliper

I have polygon grid layer and raster image whitch want to split with my grid layer to have 9 new raster layers. I was doing it like this guy but my QGIS stop working and shut down every time when I ...
2
votes
2answers
4k views

split features (vector line) problem

Part of a stream is now underground so I'm trying to use split features to break the stream into two pieces. The manual says to select the feature, then the split features icon, then draw a line ...
2
votes
3answers
90 views

How to remove identical lines from layer in QGIS?

I converted polygon layer to line layer using "Polygons to Lines" tool. Then I used "Split" function of the Networks plugin. What I need to do next is to remove identical lines that were shared ...
4
votes
1answer
195 views

Split single line based on the 3D length

so I have a transect line which I already add the z value using the Interpolate Shape. I need to split this line into 100m in 3D length, which due to elevation must be different than 2D. However the ...
1
vote
0answers
24 views

How Do I Split a Raster into parts using GDAL? [duplicate]

I have a large Raster with High resolution DEM of a large area, and I need to split it into smaller squares of 500mx500m, so that I can run other raster functions on it. Basically I'm looking for the ...
4
votes
3answers
2k views

Is there a Raster Equivalent of the Split tool?

I have the DEM of a State in ERDAS Imagine (.img) format. I have a shapefile containing the counties of that state. I want to split the whole raster into DEMs of the individual counties. The counties ...
3
votes
1answer
99 views

Creating python script to split selected lines at a set length

I have been having trouble trying to come up with a python script that will go through a polyline feature class representing a river system and split all the streams intersecting with a central river ...
2
votes
1answer
744 views

Splitting large shapefile into numerous smaller files based on number of objects in each smaller file using?

I have a shapefile containing approximately 600 000 point-objects. Unfortunately, for a couple of reasons I need to split this file into a larger number of shapefiles each containing approximately ...
0
votes
1answer
117 views

Split a shape file of lines into even spaced segments

I am using ArcGIS ArcMap 10.2. I have a shapeless of polylines and want to split them each line into 100 m segments. I can see under the editor toolbar the split tool and that can divide each line ...