To limit or reduce the extent of one dataset by the extents or boundary of another.

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4
votes
1answer
442 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, ...
3
votes
1answer
86 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
votes
2answers
521 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 ...
0
votes
2answers
538 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 ...
1
vote
2answers
635 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 ...
3
votes
1answer
669 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 ...
1
vote
1answer
284 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 ...
0
votes
2answers
99 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
votes
1answer
189 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
votes
1answer
286 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 ...
14
votes
2answers
8k 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 ...
1
vote
3answers
3k 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
votes
0answers
427 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 ...
3
votes
3answers
1k 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
votes
2answers
5k 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 ...
1
vote
1answer
285 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 ...
1
vote
1answer
350 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
238 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 ...
1
vote
0answers
89 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
votes
1answer
429 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
votes
1answer
80 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 ...
2
votes
2answers
318 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 ...
1
vote
3answers
908 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 ...
5
votes
2answers
502 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
137 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 ...
1
vote
0answers
522 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 ...
1
vote
1answer
164 views

Is it possible to Clip in ArcGIS Explorer?

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

Cut layer into many parts using shapefile?

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 ...
2
votes
2answers
3k 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 ...
1
vote
0answers
221 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 ...
0
votes
1answer
60 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 ...
1
vote
0answers
60 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 ...
3
votes
1answer
827 views

How to Get the Three Nearest Points to an Object (different layer)?

I have two point shapefiles and I want for each point in the 1st shapefile to get the 3 closest (based on air distance) points from the 2nd shapefile. If possible, it would be great to have each of ...
0
votes
4answers
355 views

How can I clip a shapefile?

I have a SHP that includes the entire county and want to downsize it to a specific area...how??
3
votes
1answer
191 views

shapefile batch clip and merge combined

I have two shapefiles, one is polyline, the other polygon. For each polygon I would like to clip the polyline vectors inside. Using arcpy I already found part of a possible solution: ...
2
votes
1answer
812 views

Output of QGIS raster clipper not as expected?

My goal is to clip a raster with a polygon in QGIS 1.8. Based on an article I read, this should be a pretty straightforward task. However, the output appears to be empty. The raster produced is the ...
2
votes
1answer
343 views

ModelBuilder: Multiple Iterators and Clipping

I have two separate polygon layers. One layer consists of voronoi polygons. The second layer consists of buffers, many of which overlap. I need to do is iterate through each voronoi, clip only the ...
4
votes
3answers
484 views

How to subset X number of features from Shape file in QGIS

I'm looking for a means to take a rather large Shape file and split it out into separate, smaller shapefiles based on number of features. So for example, if I have a file with 1 million features, ...
7
votes
2answers
2k views

Clip Spatial object to bounding box in R

Given a Spatial object in R, how do I clip all of its elements to lie within a bounding box? There are two things I'd like to do (ideally I'd know how to do both, but either is an acceptable solution ...
3
votes
1answer
868 views

How Can I Clip a Basemap with an ascii file?

I'm new here but with many doubts.I work with ArcGIS 10 and I add a basemap layer from the ArcGIS online but I just want the continent coverage to my map,and the area that I wanted I have an ascii ...
3
votes
2answers
390 views

How to clip from a point layer using postgis?

I've loaded a LIDAR xyz file into a PostGIS2.0 database and created a 3D point geometry column ("tblCLOUD") from the data. I've also loaded into the database a shapefile that contains six ...
3
votes
2answers
402 views

Determine density or cover from a raster layer that has been clipped by a polygon

I am a very new GIS user using ArcMap 10. I have a raster layer of tree canopy that I have clipped so that the layer is in a polygon that is a circle with a 2km radius. I have done this for four ...
1
vote
0answers
272 views

Clipping .mdb in place and schema locks

I have an .mdb with a feature class that I want to clip in place - that is, I want to clip it with another polygon, and then store the results back in the original .mdb. I am doing this with arcpy. My ...
2
votes
1answer
3k views

Using clip tool in qgis - contours to exact map area

I am using QGIS. I am trying to clip contours and water vector layers to the exact size of my map (polygon layer). Sometimes it works; sometimes the program crashes before completion (at the same ...
4
votes
2answers
2k views

How to get an extent for Raster using python

I have to get an extent of a given raster so that I can save it and use the same to clip another raster with that extracted extent. As of now I am stuck in the extent part. import arcpy from arcpy ...
2
votes
1answer
120 views

From Raster to Masked and Filtered Polygon Vector

I have a set of rasters (geologic risk) from which I want to extract zones with a specific color, clipping them with a polygon (administrative borders), outputting a shapefile. I'm using QGis (and ...
2
votes
1answer
386 views

How to clip data when using data driven pages in ArcMap 10?

I am working on a map book using data driven pages of the Silvies Valley in Northeastern Oregon. The basemap is a high resolution aerial image (raster) of Oregon with a shapefile overlay of USGS ...
2
votes
1answer
291 views

QGIS & GeoTIFF clipping Error “-srcwin 5897 137 0 0 falls outside raster size of 11083x4158 or is otherwise illegal.”

I'm trying to clip a GeoTIFF file and unfortunately I'm getting the following Error "-srcwin 5897 137 0 0 falls outside raster size of 11083x4158 or is otherwise illegal." From another post ...
1
vote
2answers
574 views

How to surround a clipped raster with transparency? (gdalwarp)

I am trying to perform the following task, but it does not seem to work: I have got a raster file (raster.tif) containing an aerial photo, which I want to clip using a Shape file (clip.shp) that ...
5
votes
2answers
498 views

Extract certain area of contours/satellite images

I have 2 satellite images (jpeg2000 format) and 2 xyz-files from the same area. I am trying to extract certain region from the area including contour lines and the satellite image in order to import ...