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

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57 views

QGIS: Clipping a line layer using a polygon and getting an empty shapefile

I am using QGIS 2.2.0 and want to clip a line layer (roads) so that only those inside a polygon are shown. When I do this using Vector->Geoprocessing Tools->Clip I only get an empty shapefile as an ...
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50 views

How do I peform a true GIS Clip of polygons layer using a polygon layer in R

I would like to do a true GIS Clip in R of soils polygons using a series of single boundary polygons, but I cannot find an R function to properly do it. It should work just like the CLIP function in ...
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50 views

Calculate 2D line of site from line layer and polygon layer using ArcGIS 10

I'm trying to run an analysis where I need to clip a radiating lines layer by land features to get the maximum distance from the central point to the nearest obstacle. What I have is a large line ...
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206 views

combine raster with another raster mask file - gdal

I have 2 rasters in GeoTiff format. One has all of the land and water and the other is a mask file that shows either 0 for water or 1 for land. I basically want my output to just have the land values ...
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216 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 ...
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127 views

Raster extent, just clipped by geomtery, slightly differs from a given 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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32 views

Having trouble with clipping tool giving incorrect shape

I am trying to clip a shapefile of the Midwest using a Great Lakes shapefile so that it matches my political areas boundary. Whenever I use the Clip tool, it outputs the lakes clipped to states, ...
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45 views

Calculate tree cover over certain area from raster data

Last year Hansen et al. published Global Forest Change map as set of raster data available in TIFF format. Basically those are 30-meters resolution satellite images with pixel values ranging from 0 ...
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30 views

Clipping several raster layers to the same exact size QGIS

I'm new to QGIS, sorry if this is a newbie question... I need to clip about 40 different raster layers from one vector layer (that has the boundaries of 4 neighboring countries) but I need them all to ...
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38 views

Scripting a Loop of Clip (Analysis)

I wish to loop function that clips a shapefile by a feature class. I want to make the clip the same as the input name. The names of the files are WVHGT_201403281200_f180_201404050000.shp and I just ...
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78 views

Mapserver WMS, features clipped and positioned

How can I prevent features being clipped at tile boundaries in an WMS layer as per the picture The arrow and line segments are being clipped when viewed in openlayers as a WMS layer. The map file ...
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191 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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151 views

Progress bar percentage is increasing and decreasing, never finishing

I am trying to clip a raster by shapefile perimeter using the Clip tool. The percentage has been jumping between 0% and 100% for over an hour, back and forth, climbing to 100% then dropping down to ...
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13 views

Is there a limit to the number of polygon points you can export to CSV in QGIS 2.4?

Using QGIS 2.4 I am currently importing a csv file with ~30,000 polygons (polygons in WKT format). I also have a United States shapefile. I have used the Clip function to get only the polygons that ...
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51 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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215 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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433 views

Output raster extents when using the Spatial Analyst Extract By Mask tool to clip a raster

I am using ArcGIS 9.2 and I have a simple python script that does the following : Loop over a polygon feature class (shown in red in the image below) For each record, create a feature layer to ...
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51 views

How to combine three data extraction functions into one button?

I am looking to simplify my code. As of right now I have some code that allows users to extract GIS data in three different ways: Extract by drawn extent Extract by extent of the a county Extract by ...
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51 views

How to clip polygons within buffer using QGIS?

I am trying to do the clip operation with polygons in the buffer, so far I'm getting no results. It is working for points in the buffer. Am I doing anything wrong? Basicly I'd like to include ...
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51 views

Batch Clip (Editing Session)

I'm trying to correct some topology errors in my geodatabase, now focusing on two feature classes: grass and buildings. They must not overlap. However, there are plenty of spaces where the grass was ...
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30 views

Can I clip raster maps by vector boundaries on fly while serving them via geoserver?

I have a lot of georeferenced raster topographic map sheets which contain not only map itself, but some sketch elements like legends, stamps outside the map frame. I want to make seamless coverage ...
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90 views

Inaccurate result while clipping on gis data

I am trying clip polyline data using a polygon geometry. I am using itopologicaloperator to do this task. However, resultant clipped data is off by 1 feet. Meaning that the polylines at the boundaries ...
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63 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 ...
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194 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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165 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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210 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 ...
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122 views

ArcGIS, clip issue when using a PGDB

When I clip PolylineMZ feature class inside a Personal Geodatabase it gives odd results for vertices. Vertices are horizontally shifted and do not corespond with original. When I do this in .shp, ...
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48 views

Clip or Intersection tool - QGIS giving empty files

I am trying to clip an Ordnance Survey Master Map (OSMM) feature based on a polygon created for the sake of clipping which does not have any attributes, but the output is an empty file. Projection of ...
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25 views

Converting/clipping KML to shapefile in QGIS without truncating field information (data)?

While I am clipping KML file by using polygon shapefile in QGIS, filed information (data) are truncating .Anybody can suggest a solution for this one.The same data losing issue occurring, at the time ...
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75 views

Clipping multiple layers in QGIS 2.2

I have huge amounts of data (multiple country-wide shapefiles) which i have to work with constantly. But working on separate cases i only need a fraction of that data (region, city etc.) Loading the ...
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10 views

Do I get the same result when merging and clipping DEM geotiff files using different steps?

I merged and clipped 12 GeoTif Files with GMTED2010 Data (15 Arcsec) obtained from Earthexplorer to get a large map covering Europa and the Near and Middle East. First I tried Variant A) Raster – ...
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35 views

Query results feature set to a brand new Features set

Here what I am trying to do: 1) My overall goal is to query an extent and to extract data by this extent. I can successfully achieve the first part. 2) Here is my issue: The Dynamic layer queried has ...
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34 views

Default error 400 GP clip and ship

I am running this script . I get a 400 error message. The message is the following: {"error":{"code":400,"message":"Unable to complete operation.","details":["Server environment property not found: ...
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32 views

GP clip and ship crash. Any idea?

I have been trying to implement this code for a few weeks but always run into new issues. It seems like everything is working fine now except my clip and ship GP. It always returns the GPerrorFailed ...
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37 views

Clip tool not working: 000735 error?

I am trying to use the clip tool. When i select it from the list, a window opens however it is greyed-out. i cannot enter any imput or clip features. 'Environments...' does not allow me to select any ...
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29 views

Clip vectors in workspace / map extent (QGIS 2.x)

Good afternoon, I am looking for a way to clip several vector layers within a project or folder (with subfolders) and ideally save them with a name change (suffix / prefix) to a new folder / output ...
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131 views

How can I clip a shapefile in java using geotools?

Does anyone have any advice or sample code that shows how to clip a shapefile using geotools? I am looking to build a simple GUI to allow a user to input a bounding box and polyline shapefile, then ...
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41 views

Geoserver WMS request raster clipped with field boundary

I have recently set up GeoServer instance and uploaded raster data and a set of field boundaries. I would like to be able to select a field boundary and have the server return the portion of the ...
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50 views

batch clipping code produces some shapefiles containing no features

#MASS CLIPPING (ogr2ogr) #Stefan Safranek #Shape Files by US-States import os, glob import subprocess from osgeo import ogr # Input folders saveFolder = "C:\\Users\\Stefan\\Desktop\\experiment ...
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53 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 ...