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

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4
votes
0answers
14 views

Changes to Clip and Intersect between 2.8 ltr and 2.12 for lines

Clip and Intersect in 2.8 yield the result as expected. When using 2.12 the shape file is empty. To test this I have run both versions on Linux (Opensuse Leap) and OSX. The results are consistent. ...
1
vote
0answers
57 views

How to use more cpu while processing in qgis

I'm trying to do some clip process with a quile large layers but the process is too slow. When I see the task administrator, just around 28% of the cpu is being used. I've tried with 32-bit and ...
1
vote
2answers
21 views

One CSV with field that delineates CRS for QGIS?

I have a CSV with points with X,y coordinates. One of the fields is "Horizontal Datum," which says what the projection is. Here is a sample of the sheet: QGIS lets me import this csv file, but when ...
3
votes
0answers
31 views

How to calculate average value of a raster, that is clipped by multiple polygons?

I am using QGIS 2.12.0. I have a raster of coherence value (SAR interferometry) and a land use shape. I wish to calculate mean coherence value for those areas with a specific land use. I split land ...
4
votes
0answers
36 views

Can I clip a geodatabase vector layer in QGIS?

I have a Vector layer loaded from a .gdb (geodatabase directory). I'm seeing my contour lines fine. I've drawn a polygon on top of the area I want to crop on a new layer. I select Geoprocessing ...
2
votes
2answers
45 views

Unexpected result using ModelBuilder in batch?

I am running a model which I created with ModelBuilder at 10.3. The model is supposed to make a selection by attribute on a feature layer, and use that layer to clip a raster. The model is working ...
1
vote
1answer
56 views

Clip analysis in ArcPy?

I have one shapefile that covers an entire city. I also have a list of 100 shapefiles which are buffers in different places in the city. Now I want to clip for each buffer from that city using ArcMap ...
-1
votes
1answer
57 views

Receiving GDAL Clipper Error from QGIS? [duplicate]

I realise there has been quite a lot of discussion on this topic and have already read through the suggestions on this forum of how to rectify this problem, but still nothing has worked. I am ...
2
votes
2answers
52 views

Clipping a shapefile in QGIS that has user defined projections

I have two shapefiles for Rwanda which have user defined projections. I am trying to clip the geology shapefile so that it has the same spatial extent as the districts shapefile. When I clip, I do get ...
3
votes
1answer
67 views

Why do multiple raster processing tools fail with this DEM?

I have a provincial sized DEM. I need to clip it to a fairly large watershed boundary. Should be easy. I've tried: Data Management Tools -> Raster -> Raster Processing -> Clip (Did I make sure ...
4
votes
2answers
118 views

Clip polygon using buffer

I'm very new to QGIS, so apologies if this is a daft question. I've been trying to resolve my problem for a couple of days and I can't get anywhere. I have searched for similar issues here on SE but ...
0
votes
1answer
45 views

Clip a GeoTIFF with a shapefile

I have a geotiff file that I made in Python. After I created it, I realized it was for all of North America, and I only need the United States. I then got what I assumed was a shapefile of the US ...
2
votes
2answers
57 views

How do I cut a donut hole in a raster in QGIS

I have a DEM(1) of a bigger area and a higher resolution DEM(2) in a small part of the same area. I would like to cut a hole in DEM1 and replace it with DEM2. Is there a non python way of cutting a ...
3
votes
1answer
91 views

Clip/Intersect tool is failing to process all data in my shapefile

I am using ArcMap 10.3. I have this polygon which contains information about different types of soil. I want to clip it, so that only the area inside the other polygon (black border) will be in the ...
1
vote
1answer
41 views

How can I clip a shapefile or KML layer file within ArcGIS?

Please see attached images for reference. What I'm trying to do is edit segment lines so that the polygons are not multiple. To do this I want to connect the lines so it is one continuous line for the ...
2
votes
1answer
62 views

Crop raster from vector problem

So I have a shapefile of a vector for Philadelphia's city lines and a raster image of Philadelphia county that I got from the lovely people from USDA:NRCS. I converted the raster from a sid file to ...
2
votes
1answer
25 views

Retain the rest of the Clip (Analysis) tool in ArcGIS [duplicate]

Which tool can I use to get or keep the rest of the output feature when I use the Clip (Analysis) tool in ArcMap? For instance I need to calculate Blue minus Green. Erase (Analysis) from Overlay ...
4
votes
1answer
75 views

Clipping raster file in ArcMap over the extent of polyline shape

I have a calculated raster file, overlayed on a shapefile with lines (like on figure) I would like to clip the raster in ArcMap (since it is an interpolation and out of the vector shape it is mostly ...
4
votes
1answer
59 views

Using each feature of vector layer as clip mask over separate point layer, storing results in either a Python list or in-memory scratch layer

I have a point layer (representing cities), and a set of vector layers whose features are hundreds of concentric discs, each of which I'd like to use as a clipping layer to select only the cities that ...
3
votes
1answer
34 views

How do I retain all attribute data when clipping two polygons in R? [duplicate]

I would first like to say that my question is very much similar to this answered one, but the proposed solutions don't seem to be working for me. I think that my question is slightly different, as I'm ...
3
votes
1answer
76 views

Why can't I clip my Shapefile?

I've tried all of these solutions (How to clip a line layer based on polygons with QGIS?) and still cant clip a shp file. I'm trying to create a coastal shp file for one region (NW France) from a ...
1
vote
1answer
37 views

Batch Clip shapefiles by filename or attribute using Python? [closed]

I used a Split Layer By Attribute tool I found online to split a feature class into 90 different shapefiles. These were outputted to a folder with the name for each shapefile ending in a 5 digit ...
1
vote
0answers
23 views

Trying to automate clip for multiple polygons based on unique field ID? [duplicate]

I have two feature classes, one that contains all counties for 5 states and the other contains 90 polygons I need clipped only to their pertaining county boundary, but they overlap/ cross the county ...
0
votes
1answer
37 views

Clipping raster with polygon for band-by-band output using ArcGIS Desktop?

How do you clip a raster image with a polygon shapefile so that the output is multiple clipped rasters, each one a band (i.e., clipped raster band 1, band 2, and so on)? I've tried the clip tool for ...
3
votes
1answer
46 views

Clip beginning and end of lines in R

I have a series of lines which I need to 'top and tail' to remove the first and last x meters as roughly illustrated below with buffers of 200 m. library(geojsonio) library(rgeos) gurl <- ...
1
vote
3answers
58 views

Clip one folder of shapefiles by another with same name endings

I have two folders with shapefiles: r'E:\SO\Polygons' and r'E:\SO\Districts' Within each folder I have 215 shapefiles named with similar naming conventions: poly_100 or dist_100. I need to clip the ...
0
votes
0answers
13 views

need to clip multiple USGS quadrangles in Geotiff format to statewide index in polygon format

I need to trim the collars off of many USGS 7.5 minute quadrangles for a state. I have the quads as GeoTiffs and have the polygon boundary for the whole state. I think there are about 1446 ...
0
votes
1answer
33 views

Raster copy multiple rasters keeping name but dropping extension

I have ~100 rasters I need to clip to an area. All rasters are saved as .bil files, and for use in later processing I was trying to make these have 'no extension for esri grid', but keep the same ...
1
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0answers
29 views

I clip a raster with a vector mask in qgis, the result is correct but its a little bit of, why is this?

On one side the result is "bleeding" over the vector on the other side its more than one raster pixel from the vector on the inside. How to correct this? http://i.imgur.com/d0v6mqt.png ...
0
votes
0answers
32 views

How to test if a point shapefile is in a raster in ArcMap using Python?

I have a shapefile where the features are points. It should be about 500 points. All of this points are on top 5 different rasters. Some points are in one raster, but some others are not. I need to ...
1
vote
2answers
73 views

Clipping subpart of data in QGIS?

I have a geodatabase that I am adding to a QGIS project. I read the documentation (below) but I don't understand what parameters I use for "a.the_geom" and "b.geom". Is there a way to clip with a ...
1
vote
1answer
52 views

QGIS Lyon 2.12, select by location tool crash

I'm trying to select points from a vector point layer (quite big ~2 million points), that are within a coastline polygon for the gulf of california. The area is in the south with quite a complex ...
6
votes
1answer
83 views

Automating clipping of aerial photos

I have received many unclipped Colour Infrared Aerial photos (around 1000) which have been georeferenced but still have the black thick borders including flight information etc. The images are of ...
0
votes
1answer
40 views

Raster Clip becomes pixelated in ArcGIS for Desktop?

I'm running ArcGIS 10.1 (Basic License). I have a large aerial imagery for a region that I need to clip to smaller polygon. I have 28 different polygons that need to be cut out from the one aerial ...
0
votes
0answers
12 views

Scripting procedure to clip vector lat-long file to those that fall within a raster? [duplicate]

I am looking for something similar to this thread, but in a scripting procedure which can be run through a Bash shell. In essence, I have a vector of latitudes and longitudes that span most of ...
0
votes
1answer
51 views

Improving performance of Clip using OGR?

I have a set of points which I am trying to clip to a set of polygons. The files have many features (150,000 polys, 8,000 points). I'd like to automate this process carry it out once a day, hence I am ...
1
vote
2answers
85 views

Extract by mask: area difference in output result?

When we do extract by mask in ArcMap results always shows some area difference in raster outputs. We are using clip layer as vector and layer to be clipped as raster DEM. Our area of interest is ...
1
vote
1answer
67 views

Merging vector with many polygons to single vector polygon in QGIS?

I am trying to add the boundaries of one shapefile (A) that are contained within a single polygon to the shapefile (B) of that single polygon. Both are at the same projection. I have tried clipping, ...
2
votes
2answers
100 views

Using one polygon from feature class as clip feature in ArcGIS for Desktop?

Using ArcMap 10.3, I am trying to clip some features using a polygon containing many census boundaries. I only want a specific census area as the clip feature, so I only have that specific shape ...
0
votes
0answers
21 views

Clipping point features in ArcGIS for Desktop?

I have a point shapefile with city data and a polygon shapefile of the states of India. I want to clip the city data based on the State polygons so that the state names for each city comes out in the ...
1
vote
2answers
50 views

Clipping a SpatialPoygonsDataFrame to another SpatialPolygonsDataFrame

How do I restrict a SpatialPolygonsDataFrame so that none of the polygons lie outside of an "underlying" SpatialPolygonsDataFrame? The application I have in mind involves Voronoi Polygons a la Carson ...
1
vote
1answer
28 views

How can I clip a multiband raster and preserve the band names?

I have a Landsat 8 image which I clipped with a polygon shapefile. It works fine, but I'd like to preserve each band name in order to improve my workflow speed. The output raster saves each band as ...
0
votes
1answer
73 views

Clipping raster in PostgreSQL?

I want to clip raster (SRID 32649) with polygon(SRID 4326) into SRID 32648 First I transform raster using query create view ras68 as select st_transform(rast,32648) as rast from ras69 Then cutting ...
1
vote
3answers
77 views

Unable to clip raster to desired shape

I am trying to clip a raster to the shape of a polygon as shown in image 1. But the result that I get is as shown in image 2. Why is this happening?
1
vote
1answer
107 views

How to clip a shapefile to an interpolated surface (contours) in R?

R novice here, trying to work through the ever-daunting task of clipping my data. I've posted several questions regarding how to clip various types of data, so here we go with another, complete with ...
2
votes
0answers
51 views

Error when I try to convert Corine Land Cover 2000 tiff to shapefile in QGIS 2.10.1 or clip CLC2000 by a polygon

I want to clip Corine Land Cover 2000 tiff by a polygon or to convert it to shapefile in QGIS 2.10.1. So far I have tried the following always getting an error message that 'ascii' codec can't encode ...
2
votes
2answers
67 views

clip raster to polygon with 3 srids

I have 70 raster landsat images with srid: 32647,32648,32649 and want to clip raster to polygon (shapefile, srid: 4326) in postgis. I imported all raster into 1 table with parameter -s : 32648, ...
0
votes
1answer
19 views

Failing to Extract by Mask with Small Groundwater Basins?

I am using ArcGIS for Desktop. I am working with 4km resolution precipitation rasters from the PRISM website because I am trying to calculate the total annual precipitation for each groundwater basin ...
2
votes
0answers
26 views

Clip raster to new column in feature? [closed]

I'm trying to clip a raster using a feature set. I'd like to then have a new value added to a column in attribute table of the feature set based on the majority of the pixels in the raster. In this ...
1
vote
0answers
34 views

Clipping lines not working in QGIS

Trying to clip a line layer with another renders an empty shapefile. I've looked through older threads and have made sure that the CRS is the same (they do align) and that I've converted multipart ...