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

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24 views

Avoiding pixelation of results following Extract by Mask or Clip tools?

I need to clip my IDW results to the boundaries of my survey areas. However, whenever I use the Clip or Extract by Mask tools, my results become pixelated and lose accuracy. Is there some way that ...
1
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0answers
19 views

Clip Categorized Polygon with another Polygon

Ok, so first off, I've gone through the forum, and looked at every post that sounds similar. They have all been solved, but none of the solutions have worked for me. Basically, I have created a ...
1
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0answers
25 views

Is it possible to interact with a running instance of QGIS from the command line?

I just started looking at QGIS on MacOSX. I installed the MacPorts package and found the executable: /Applications/MacPorts/QGIS.app/Contents/MacOS/QGIS* Unfortunately it appears that the command ...
2
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2answers
42 views

Erasing buffer within another buffer without erasing overlapping buffers using ArcGIS for Desktop?

I'm not an ArcGis pro, so I need help on this one, and I have tried searching for answers. I am using ArcMap 10.2.2. I don't know how to use python. I have 6km and 12km buffers around the sites ...
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0answers
13 views

Is it possible to set up the atlas coverage layer to automatically clip other layers contained in the project?

Lets say I have two layers, one with county limits and another with roads for that same area. I'm trying to set up an atlas with counties as the coverage layer, so that I get a set of maps, one for ...
1
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1answer
46 views

Percent total from postgis clip

How would I calculate the percentage of streets that have sidewalks summarized by census tracts using PostGIS. My sidewalks file has an id that links it to its adjacent street and I've worked out how ...
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0answers
11 views

R: Topology Exception Error

I'm trying to do the gDifference between two polygons, but I was getting an error: Error in RGEOSBinTopoFunc(spgeom1, spgeom2, byid, id, drop_not_poly, "rgeos_intersection") : TopologyException: ...
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1answer
26 views

Clipping features

Using ArcGIS 10.3 - I have a large polygon file that shows slope in 10-increment categories (0-10, 10-20, etc.) that I have clipped to parcel boundaries to show how much of a an area (acreage) in each ...
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2answers
45 views

Snapping raster grids in R

I am trying to align two raster grids in R. Once aligned I would like to be able to add them together. I have tried to check whether making a stack would work: grid_snap <- stack(habi_sdw, ...
3
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1answer
67 views

Clip raster by raster with data extraction and resolution change

I need to stack multiple maps (tif) together and clip them all according to extent of one small raster map (second raster at the top of picture below). However, the size of pixels in each map is ...
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1answer
53 views

Clip lines by overlapping polygons

I want to cut a line shape into parts by polygon areas. No problem so far. But the polygons overlaps each other at the border. I need one line result for the whole area of every polygon. Any ideas for ...
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1answer
56 views

Erase shapfile (polygon) area from GeoTIFF

I've been reading several posts to do so and one option would be to use gdalwarp -cutline, but I would need to keep what it is NOT inside the polygon area. GDAL or any command-line tool does that? ...
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0answers
28 views

Clip layout view to output graphics extent using python

I need to implement, within this very simple piece of code, the option that replicate the "Clip to output graphics extent" available from the ArcGIS 10.0 Export Map UI standard command. Is it ...
2
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0answers
17 views

Clip and Zip Coordinate system options Geocortex

I have the standard geoprocessing service, Clip & Zip, which references a spatial reference folder containing various coordinate systems (in prj). The service works in geocortex via the standard ...
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2answers
41 views

Clipping polygon layer by raster value

I've seen many ask how to clip a raster via a polygon mask but have yet to find the opposite operation. How does one clip a polygon layer via raster? ta Specifically how does one clip a polygon layer ...
1
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1answer
40 views

In PostGIS: How to delete completely overlapping polygons?

I would like to eliminate overlapping polygons from a table that is often updated with new polygons, but only if a certain attribute has a higher value. If this higher-priority polygon only partly ...
1
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2answers
87 views

Clip Raster to Polygon Grid?

I have a polygon grid file and want to clip my raster imagery to the shapes outlined by it. I am using arcmap and was wondering if there was a tool directly for this? I would like to also be able to ...
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1answer
58 views

How to cut image into Map Sheets with GDAL?

I want to divide a whole raster map image into map sheets. The gdal tiling or clipping functionality doesn't seem to do it.
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1answer
42 views

Clip multiple .las files data to polygon shapefile using FUSION

I followed this thread in order to clip .las data based off of a polygon shapefile. However I have over 100 .las files I need to clip based off of this polygon and merged into a single .lasd file and ...
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0answers
35 views

I am clipping my data points but the clipped layer is empty

I am new to QGIS and using QGIS 2.8.2. I have some points data of a whole town and I want to clip a specific region of data from it using a polygon layer. I am clipping my data points but the ...
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1answer
29 views

editor clip with multiple selected features

I have a layer where the creator drew overlapping polygons instead of clipping or cutting them out, (30,000) polys and 10,000 overlapping after topology was run. I do not want to manually fix one at a ...
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0answers
30 views

Clip only works on some areas, and not on others, despite being from the same dataset

I have a shapefile of provinces (nxprovincias), and another shapefile of small, disconnected areas ("protected areas") that overlaps with the provinces. I want to easily calculate the total area of ...
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2answers
53 views

Adjusting extent of raster?

the coloured file contains landuse information and it needs to have the same number of columns and rows as the DEM in the background for further processing. i can't get it to work - "clip" and ...
1
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1answer
31 views

Clip & save layer using OpenLayers 2

I ma currently developing a web mapping app. How do I make it possible for my app to clip and save area of interests or area I am working on. I can create a vector layer, modify it and delete if I ...
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0answers
40 views

How to raster clip in outside in ArcMap?

How to raster clip in ArcMap? But I need 1 raster in outside area. Because 2 raster map. Example: Ras1=Temperature.tif Ras2=Error map.tif Clip command input raster=Ras1 Output Extent= ...
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0answers
37 views

clipping raster changes raster values?

I am working with BIOCLIM temperature/precipitation layers and I have noticed that when I clip the global raster down to a specific region, something happens and the raster value at a specific point ...
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1answer
25 views

Clipping line feature to MANY polygons for measurements [closed]

I am looking to measure the length of stream segments(line) on numerous tax lot properties (Polygon). Is there a tool that will allow me to "Cut" or "Clip" streams to tax lots to estimate not only ...
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0answers
18 views

Script for batch-clipping or masking rasters in R

I need a script that can do following batch process for all files in a folder: a) Clip or mask each raster layer (LAI product from MODIS MCD15A3) with a vector layer (vegetation types obtained from ...
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2answers
61 views

How to clip several raster datasets with a mask?

I would like to clip many images (raster datasets, input) with a mask (shapefile), so I would concentrate only in the images I need for my study area. Is it possible to do with Arc GIS 10,3 ? I ...
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0answers
23 views

Can ogr2ogr “reverse clip” (or “clip out” or “erase” or “difference”) one shapefile from another? [duplicate]

Is there a means in ogr2ogr to "clip out" one shapefile from another? I know ogr2ogr -clipsrc B.shp out.shp A.shp will remove any part of A.shp that is NOT in B.shp. Is there an ogr2ogr command to ...
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0answers
16 views

Using USGS Raster Split but getting errors

I am working on an issue where I am trying to split the 2011 nlcd .img file into counties. I am really just looking at the midwest, so I have state county shapefiles for IA, OH, MN, MO, IL, IN and WI. ...
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58 views

How to clip a big shapefile from another shapefile's extent

I am working on mangroves in Sundarbans (Bangladesh / India), using Landsat pictures. I need to equalize them in reflectance, before classification, for the evolution of the biomass in this region. I ...
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2answers
61 views

Reversing Extract by Mask in ArcGIS for Desktop? [duplicate]

I have a DEM and I want to apply some tools to it (fill and others). In my DEM I've zones (drawn as mask) that need to be exlcluded from that processing. I don't want to apply the processing to the ...
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1answer
29 views

Different values after clipping

I have a satellite image from Landsat TM. I want to clip my area so i created a polygon and thru Qgis --> raster clipper I am trying to clip my area of interest. I noticed that the results have ...
1
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1answer
106 views

Clipping LAS data with multiple shapefiles

I am looking for a method to clip with multiple shapefiles (139 shapefiles polygon) a lidar.las file. I'm using the software Fusion, as described in: How to clip LAS data using shapefile polygons ...
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1answer
29 views

Clipping TIN layers to pit shells

I have two TIN surfaces, one being a pit shell and a second being a horizontal layer which intersects the shell on all sides. I need to find out the volume between the intersection horizontal layer ...
2
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1answer
42 views

How to clip a raster by extent using Processing from the Python console?

I want to clip a raster by extent in QGIS with the python console. Here is the description given in the documentation. You have to use the following input parameter: Input layer Nodata value ...
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1answer
64 views

Clipping a tiff image using another tiff image using python

I am working on a code to clip a raster with another raster. I have a forestcover.tiff image and i want to clip it by using other image clip.tiff which extend lies within it. I dont want to use arcpy ...
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44 views

Invalid Topology/Topoengine error: Intersect and Clip

I have a large, provincial extent gdb file with numerous detailed polygons (representing roads, buildings, forest cover, etc), and want to clip this layer to about 700 unique polygons, some of which ...
5
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1answer
81 views

Clipping features depending upon percent coverage by other features

I have a shapefile composed of several thousand square polygons of equal size, arranged in a grid. I have another shapefile with a few dozen circles. The squares are about 1/10th the size of the ...
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0answers
41 views

Clipping Feature Classes by Data View Extents with ArcPy?

Have a fully functional script about 90% of the time. It is that 10% that is really bothering me and I cannot seem to deduce a solution. Script will take the user defined dataframe view extents and ...
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1answer
40 views

Iterating two different feature classes based on sequential order and clip

I have a watershed feature class with 273 polygons, in the attribute table there is a SiteID column that is populated as so: A1 A2 A3 A4 etc. I also have a buffer feature class with 273 polygons ...
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1answer
85 views

QGIS: why does clipping a raster alters cell size?

Using QGIS V 2.2.0 (OS-Windows 8), I need to prepare raster files (ESRI ArcInfo Grids) to be later used in a species distribucion model using MaxEnt. Each of the original raster files (environmental ...
0
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1answer
16 views

vector clip based on chronological value

I would like to know if there is any algorithm in python that can clip vector features according to the "date" value? To be more specific the newest date is the dominant value and clipping will start ...
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2answers
80 views

How to remove outlying islands from a DEM raster?

I have a raster image that looks like this (see below) How do I remove the outlying islands and keep only the central main island in the image. Is it a geoprocessing clip function? I am using QGIS ...
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1answer
75 views

Issues with extract by mask tool

I am using the extract by mask tool to fit my raster to a mask (province of Nova Scotia). I've noticed that the raster doesn't quite fit the mask; the north and south boundaries of the province is ...
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3answers
283 views

How to create a compressed GeoTIFF with the QGIS Clipper tool?

I have a geo-tiff created by Pix4D which is about 375 Mb in file size. I have clipped it to a smaller area using Qgis 2.8(using Raster ‣ Extraction ‣ Clipper), and the output file is about 900 MB in ...
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1answer
68 views

Clipping with multiple overlapping polygons while maintaining unique IDs and overlap

I’ve got a series of square overlapping polygons. I want to clip a layer based on these polygons and maintain the unique ID and overlap of the polys. As it is now, if I do a clip using overlapping ...
2
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0answers
30 views

Thiessen polygons extend outside of extent of projection

I'm working on a geological project on the past position of continents (in ArcMap 10 Service Pack 5, build 4400). The tool I'm creating in Model Builder uses Create Thiessen Polygons and all input ...
2
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1answer
97 views

Clip layer with selected object from another layer in QGIS

In ArcMap, I can clip a layer with selected objects from another layer by using the editor toolbar. I want to do the same operation in QGIS. I want to create holes in the landuse layer by selecting ...