Division or partition of geometric features

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2answers
311 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 ...
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1answer
124 views

Split a polygon based on density of points in ArcGIS 10.1

I have two layers: Polygon layer representing administrative boundaries Polygon layer representing topography (i.e. a map) In some of the administrative areas, the buildings (shown in the map) are ...
0
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1answer
105 views

ModelBuilder, which tool should I use to rename layers with value from table?

Hi I have a ModelBuilder tool with an iterator that splits a feature into multiple shapefiles based on a attribute field. The problem I'm running into is instead of simply using the number values for ...
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1answer
203 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 ...
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1answer
124 views

Removing slivers after splitting a polygon with a line

Image 1 shows before editing. Image 2 shows 'edited line which i used too split with and with labels Close up in 3rd image. I often split polygons with a line (ArcGIS 10.1 Split Polygon tool). In ...
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1answer
92 views

Identifying streets of same name where split by osm

I have a large map of every street in the country. This is a vector layer in QGIS many streets are split by OSM , IE have a different OSM ID yet the street has the same name. Often these streets are ...
4
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0answers
41 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
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0answers
35 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 ...
2
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0answers
260 views

Splitting Line.shp at Point.shp with Python/ogr

I'm trying to modify some ESRI Shapefiles using Python with gdal/ogr module. What I want to do is quite simple, but I didn't find any solution by now. I have two shapefiles: (1) Lines.shp and (2) ...
2
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0answers
267 views

How to split a raster into x tiles that overlapped by x km?

I have a raster that I split into three tiles by using the function Split raster in ArcMap as follows: How can I split my raster into three tiles that overlap by 2 km as follows : ?
2
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0answers
44 views

Dividing a polygon into two OpenLayers

I'm using OpenLayers to draw a polygon to my users. I want the ability to implement through a line, split the polygon into two, with the cutoff line that the user drew. Does anyone know if this is ...
2
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0answers
171 views

Dividing a line into 250m segments

I am currently working on a hydrology project where I am trying to break a stream network into 250m segments. The problem is that the streams are not all adjacent, as I have clipped the NHD file to ...
1
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0answers
24 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
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0answers
51 views

need to split some linestrings by points

please help me, i'm new in gis 1) i have а table with geom railways, which are multilinestrings (for example there are 2 ways one of which is interrupted, so this way will be multilinestrings ...
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0answers
31 views

ArcGIS 10.1 - identify Vehicle Routes from Segment Counts

We have vehicle counts on every road segment in a small portion of our city, but we are trying to determine the route of individual vehicles on these segments. Is there an algorithm in ArcGIS 10.1 ...
1
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0answers
143 views

Splitting lines once at specified distance from each end?

This is related to an old problem of mine, regarding arrowheads on lines, which doesn't look very nice unless the line is very thin. It's even an ArcGIS idea with quite a lot of votes (although no ...
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0answers
27 views

ST_SplitRight() in PostGIS?

I am looking to split a shapefile via a line. I am interested only in the feature that lies to the right of the line; exactly what ST_SplitRight does here. Do any of you know of a way to do this in ...
1
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0answers
38 views

Is there a way of splitting roads at intersections with contours in QGIS?

I'm a beginner with QGIS. I need to split a polylines showing public roads at each intersection with a table containing elevation data (contours) which is also in polyline format. I will also need ...
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0answers
19 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 ...
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0answers
32 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 ...
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0answers
27 views

Spliting Raster Ortho to 8-bit Tiles

I'm trying to split a large orthophoto to smaller tiles in order to use them as textures on DEM tiles the same size in CityEngine. I've been using the Split Raster tool in ArcGIS to try and output ...
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0answers
21 views

Using USGS Raster Split but getting errors

I am working on an issue where I am trying to split the 2011 nlcd .img file into counties. I am really just looking at the midwest, so I have state county shapefiles for IA, OH, MN, MO, IL, IN and WI. ...
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0answers
116 views

Dividing a polygon into certain areas (open source solution preferred)

I have a polygon with an area of 50.000m². Now i want to devide this area in two polygons of different areas with a line layer. The left polygon should have an area of 30.000m² and the right polygon ...
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0answers
117 views

How to split an oblong, irregular polygon layer into even pieces?

I have a polygon layer (landuse) that I want to split into 100 meter pieces. The polygons show landuse along a road. I want to split the polygons layer so that I can then calculate the percentage of ...
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0answers
181 views

ArcMap 10.2 SplitLineAtPoint setSplitRule not calculating RATIO

I am trying to set a length field to use the RATION split policy. I set the split policy for the feature layer but when I use the SplitLineAtPoint_management it does not calculate the RATIO length. ...
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0answers
2k views

How to split polygons based on other polygons?

In ArcGIS, I have a layer of polygons (created from the Service Area function) and want to split each one of those based on another polygon layer (the boroughs of London). The purpose is that I want ...
0
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0answers
386 views

Splitting a TAB file by attribute?

I have TAB file with LOADS of points. Each point as a unique ID and group assigned to it (ranging from 1-154). I'm wondering if there is an easy way to split this up into a TAB file for each group, ...
0
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0answers
105 views

why are split-lines saved in the attribute table? (qgis 1.7.4)

A few months ago I splitted some lines in a shapefile with official roads because they are not accessible anymore. Now I loaded that file again into my project and the splitlines appears. Because I ...