Clipping is the restriction of a spatial feature to a polygonal region, often a rectangle.

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412 views

How can I clip this shapefile in Arcmap?

I'm trying to clip one shapefile with another in ArcMap 10.1, but every time I try I get an error saying "overlay not polygon". I'm pretty new to GIS - is clip the right tool to be using here? I've ...
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2answers
221 views

Clipping polygon layer into multiple polygons via model builder?

I have a huge polygon layer created from a raster, and over that I have a watershed shapefile. I need to run a land-use regression process on each individual watershed so I'd like to clip and export ...
4
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1answer
1k views

What is the distinction between Difference and Clip in QGIS?

What is the primary distinction between the Difference and Clip geoprocessing tools in QGIS?
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81 views

Clipping multipart polygons iteratively

I have a shapefile of buffers (n=10) and a shapefile of watersheds (n=10). Both shapefile contain overlapping features. I would like to clip each watershed feature with it's corresponding buffer, ...
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1answer
357 views

Clip geodatabase containing vector and raster data

I have a fairly large file geodatabase in ArcGIS 10.1 containing both vector and raster datasets. Generally, I only want to work on a small extent at a time. Is it possible to clip a geodatabase to a ...
6
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2answers
1k views

Best way to clip a large raster ECW file ?

I am trying to clip a large ECW (details below) but the raster file is too big to be processed entirely. Some details of the ECW below Driver: ECW/ERDAS Compressed Wavelets (SDK 5.0) file size: ...
2
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1answer
174 views

Batch Update Fields in Field Calculator or Model

I have a dataset of block-level census data that I clipped to an Illinois State Senate district. To update the data (e.g. for population) I'm applying an area multiplier, i.e taking the area of each ...
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3answers
429 views

How to crop an image based on a shapefile using GeoTools

I'm writing a web application using GeoTools (it's Java running in a web container). I need to crop a raster file based on a shape file. The core GeoTools documentation and examples I can follow ...
2
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1answer
249 views

Split single raster within multiple polygons

I have a raster ('slope') which content only one attribute in the table. On the other hand I have a feature which content several polygons (catchments) in the attributes table. I would like to obtain ...
2
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1answer
163 views

Change Values of Georeferenced Raster

I am using QGIS to georeference B&W images. I have now done this and would like to set the black surround of the image (as a result of the georeferencing) to transparent but this does not work as ...
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1answer
250 views

clip one layer with the current map layers

I work in a little companie where the main goal of employees in GIS is to have a quick view of the issues on a study area. It would be very useful to have a tool wich clip all the layers of the ...
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1answer
69 views

Area surface doesn't match

I have three municipalities with a total surface of 178 sq km. I want to analyze land cover of those municipalities using both LANDSAT images with a pixel size of 30 x 30 meters and SPOT with a pixel ...
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0answers
53 views

Quick Way to Finish Area of Interest GIS Data Export Requests

I would say that after custom map creation, data requests are the most frequent GIS requests I have on a daily basis. Now they don't take long, but they add up and I have much more important work to ...
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2answers
344 views

Can I prevent QGIS raster clipper from changing output cell/pixel size?

I have performed a DEM extraction using the clipper tool in QGIS 1.9.0 Master, using a mask layer, the original resolution of the DEM is 20x20 but in the resultant DEM the new resolution is ...
5
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2answers
469 views

Clip polygons with other polygons based on matching attributes

I have two shapefiles, one which contains event locations and the the other of which represents regions where events take place. Events polygons with year and region_name attributes Regions ...
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1answer
157 views

Clipping by geomtery results in Raster extent slightly different to input geometry?

The raster using arcgis geoprocessing is cliped with a feature, reading it's geometry and as a result, rasters extent slightly differs. Extent of geom: str(row.shape.extent) '570600,537958652 ...
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61 views

Unwanted lines when cutting & merging polygons

I am using QGIS version 1.8.0. Sometimes when I cut or merge polygons I get unwanted lines left in them. On zooming in to them they do not appear to be slivers. Is there a way of getting rid of these ...
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2answers
134 views

Can Vector grid shape file be clipped with Satellite image in qgis?

I am working in open layers plugin in Qgis . in order to project the satellite image wit respect to vector shape file i am having, Andre Joost suggested me to create a vector grid with crs sysytem of ...
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1answer
253 views

Clip polygon and retain data

I have these two polygons: library(sp); library(rgeos); library(maptools) coords1 <- matrix(c(-1.841960, -1.823464, -1.838623, -1.841960, 55.663696, 55.659178, 55.650841, ...
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1answer
69 views

Selecting Cells in a raster layer

I am working on a watershed analysis project. The goal of the project is to create a model that will simulate changes the effect that different land uses will have on the watershed as a whole. Using ...
2
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2answers
396 views

How can I perform an inside clip on a raster file based on another raster file?

I have a raster file that I would like to use to perform an inside clip on another raster file. I have tried using the extract by rectangle tool, but it gives me values ranging from 3.40282e+038 to ...
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2answers
414 views

How to handle an “Input CRS error” when clipping?

I'm trying to clip a soil use shapefile, with a polygon I've created this morning. The clipping function works, but the clipped polygon doesn't have features (the table of contents is empty). QGIS ...
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2answers
393 views

How to create a raster (topo to raster) with non-rectangular shape?

I'm using Arcmap 10, I need to create a raster from contour lines. These contour lines were clipped out with a certain shape with the purpose to modify them only within that shape and then create the ...
2
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1answer
506 views

Error when using gdal/ogr and python to clip a “shp” file by a “shp”

I am new to the gdal/ogr library for python and I was wondering how to clip a shp file by another shp file. I think I am having trouble with the syntax. Thanks - Stefan I keep getting a windows error ...
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1answer
223 views

Why does the Clipper tool lack the mask layer option?

Fairly new at QGIS, but everything's gone well so far. I'm running QGIS version 1.8 on a Mac (OSX 10.8) and GDAL 1.10, and other GDAL tools (like Merge and Georeferencer) work just fine. When I ...
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1answer
82 views

GDAL clips raster at wrong position

I try to clip raster data with GDAL (in fact I am using QGis, which produces me a command line for GDAL) The raster has been transfored to EPSG:3857, which is also the projection of the shape file ...
4
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1answer
145 views

Can QGIS perform graphic clipping?

In ArcGIS for Desktop there is an option to graphic clip inside the data frame - this clips the feature you're viewing without actually clipping the feature into a new feature. Does Quantum GIS have ...
2
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1answer
186 views

How to clip roads to exclude those within a flood zone?

I have OSM road network data in QGIS along with a shapefile showing the possible extent of a flood. My question is: is it possible to exclude all of the roads that are in the flood zone (so as to ...
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2answers
4k views

Clipping a raster in R

I am building a map for the northeastern U.S.A. The map background needs to be either an altitude map or a mean annual temperature map. I have two rasters from Worldclim.org which give me these ...
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1answer
1k views

Why does Clip keep giving Error999999: Error executing Function Invalid Topology [Topoengine Error]?

The layer being used as the Clip Features has been used before and worked fine, so I assume the issue is the layer I am trying to Clip (Input Features) - I keep receiving the same error when running ...
2
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0answers
304 views

Clipped raster leaks outside polygons

I am trying to clip a raster (DEM) with a polygon layer in ArcGIS10.1, using Data Management>>Raster>>Clip. Basically the clipped raster has many pixels outside the polygon boundary, mainly for thin ...
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3answers
935 views

Is it possible to batch clip rasters in Quantum GIS?

I have been able to batch clip rasters in one directory using python in ArcGIS. However, I am not sure how to do the same in Quantum using the python console. Is this possible? If there are different ...
4
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2answers
3k views

Differences Between the Clip Tool and the Intersect Tool

How is the clip tool different from the intersect tool in terms of how it works or the result? I don't have a specific situation in mind. I was learning about each of these tools and was curious about ...
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1answer
196 views

Maps with Clipping on ArcGIS Server

We are publishing raster layers (computed via kriging) to ArcGIS server 10.1. A significant feature of our local geography is a large body of water, in our case, Lake Michigan. Although I can clip ...
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1answer
262 views

How to prevent Qgis clipper to clamp nodata values?

I'm trying to crop some old georeferenced cartography in order to have a continuous map (every map has its blank borders that overlaps). Usign raster->extract->clipper and setting no value to -32768 ...
2
votes
1answer
180 views

Clipping buffers to census tracts

I have donut buffers generated to protect anonymity of household locations. They need to be clipped so that they are only inside the census tract that the original point was in. The code takes about 8 ...
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76 views

Clipping Buffers

I have buffered a line shapefile where many lines are intersecting but not broken at intersections. I am trying to select each record in the buffer file and clip all intersecting polygons in the same ...
2
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1answer
306 views

Create a subset of a dataset with a specific grid size in ArcGIS using Data Management Tool

I am wondering how you can create a subset of a dataset that is a specific grid size (in pixels) using the Clip tool within the Data Management Tool box for raster data. I was trying to find a hint ...
2
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1answer
73 views

Clipping a buffer from network analyst shapefile to a base shapefile

I have exported my polygon shapefile which I got after I ran my Network Analyst into a shapefile. It has 6 buffer zones (delimited by time in increments of 10 minutes). When I check the attribute ...
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2answers
244 views

Weird File Path Returning from Print Statement Causing ERROR 000732

I have created a python script in ArcGIS 10.1. My first parameter type is a 'Feature Layer' set to as a multivalue input. I was running my script quite well off of data from one of my drives (my ...
0
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3answers
374 views

clipping polygons (vector) map with a polygon (vector) layer

A frustrated newbie with QGIS Lisboa version in Windows 7. I want to clip a soil map (multiple polygon vectors) with a single polygon (rectangular polygon vector). The project projection is set at ...
3
votes
2answers
241 views

Is there a way to call the clip function in pyQGIS from the python console?

Is there a way to call the clip function in QQGIS from the python console? It is found under geoprocessing tools in the vector menu.
4
votes
1answer
124 views

Arcpy error message: 'Layer' object is not subscriptable?

What the code does successfully so far, is gets a list of the layers in the first data frame of the current map. What it doesn't succeed in doing is, joining the layer names to the gdb location using ...
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299 views

Why does Clip analysis generate (some) empty output?

I am running a script that is working (see below) - it pulls a file from a folder, clips from that file based on an intersection with another file, and creates a new shapefile in a new folder. It has ...
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1answer
133 views

Is it possible to Clip in ArcExplorer?

Is it possible to clip in Desktop Explorer? Or does anyone know of any Analysis Servers I can connect to to get it?
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2answers
318 views

Cut a layer into many parts using a shapfile

I have a layer which is a map of a town, and a shapefile which shows the boundaries within that town. I wish to cut the layer up along each of the internal boundaries so that I end up with many ...
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2answers
2k views

How to clip a layer file

I have a world imagery layer that I want to clip to a single county. I would just save as a JPEG and edit using other software, but this uses a lot of processing power if I want a high resolution. I ...
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194 views

Clipping points using buffer in Arcmap takes FOREVER

I'm clipping points (crimes) by using a buffer around a shapefile of city parks. There are quite a few records involved (2 million+), but it is still taking forever - as of now, the clip has been ...
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1answer
56 views

Extract polygon from several FC in one process

I've built a polygon and used Clip (Analysis Tools) in order to extract information from several FC that intersect the polygon. Of course, I used the clip tool for each feature class. My boss wants a ...
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57 views

How to clip Raster using multiple polygons and Python? [duplicate]

Possible Duplicate: clipping a raster by multiple datasets or polygons I have polygon layer and DEM and I want to write a program using python to cut the raster into multi-raster based on ...