Division or partition of geometric features

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9
votes
0answers
7k views

Splitting feature class by unique values for an attribute/field in ArcGIS for Desktop? [duplicate]

I would like to split a single shapefile into multiple shapefiles by using unique values for one attribute/field to select features for each value out into a new feature class. I found ET Geowizard ...
5
votes
4answers
9k views

How to Split Features in QGIS?

I am new at using QGIS. How can I simply split features in QGIS? The manual tells to simply draw a line through the polygon you want to split. But it doesn't work. The line disappears when finishing ...
0
votes
1answer
38 views

Split lines with points while maintaining other dissolved lines

I am on ArcGIS 10.2. I have a line feature class of a stream network. I also have a point feature class along the main stream (line) where a catchment enters that stream. I have dissolved my whole ...
3
votes
4answers
394 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 ...
1
vote
1answer
45 views

QGIS - split polyline

I need to create a shapefile with crossed streets. I can't split the lines to number each segment with the house number ranges.
0
votes
3answers
460 views

splitting a lines layer using points

I'm looking to accomplish a similar task to this thread: How to split a line at point positions? Using QGIS and the Processing and GRASS toolboxes available, I'm looking to split a vector layer ...
3
votes
3answers
808 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 ...
8
votes
4answers
1k views

Splitting Linestrings on the dateline with OpenLayers

A couple of years ago I posted a questions titled "The International Date Line wrap around" @jdeolive suggested I split the features at the dateLine. So I tried. So when I try to split my satellite ...
3
votes
2answers
407 views

How can I turn islands into individual features in QGIS?

I have what seems like a pretty straightforward task in QGIS: I have a shapefile that, in some cases, groups multiple separate landmasses into a single feature. For example, the Hawaiian islands are ...
4
votes
2answers
913 views

Splitting DXF layers into Shapfile layers in QGIS?

When i load a dxf into QGIS all the layers are present in the attribute table. Is it possible to split this "entities" layer in QGIS into its component parts and save each component part as an ...
3
votes
1answer
1k views

How do I split polygons that cross the dateline?

I have a dataset of country borders which I obtained from: http://thematicmapping.org/downloads/world_borders.php/ I have that dataset in both shp and SQL, but I'll put out there that I don't feel ...
7
votes
2answers
2k views

How to split an irregular polygon into equal areas?

I am a surveyor and use QGIS for maintaining soil test records on civil projects and am constantly provided with test lot area or number of lots required. These are more often than not irregular in ...
4
votes
1answer
306 views

Splitting polygons leaves null values

I'm trying to split polygons with overlaping line features, using Split Polygons tool from Topology toolbar. The problem I encounter is that only one from new polygons have old attributes and others ...
3
votes
1answer
361 views

ArcMap 10.1 Python split inconsistent string

I converted a kml file to a feature class. All of the fields from the kml were combined into two fields in the feature class. One of them contains information delimited by "/" and the other contains ...
1
vote
3answers
197 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 ...
1
vote
2answers
128 views

Set a split policy/rule on a field without domain in ArcMap

Can you define a split policy or split rule on a field without a domain? When a domain is involved, you can set the default value of the field and chose a rule for when a feature is split or merged. ...
0
votes
0answers
86 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 ...