Questions tagged [snapping]

Automatic process of moving points or features to match or coincide exactly with coordinates of another feature within a specified distance, or tolerance

Filter by
Sorted by
Tagged with
13
votes
5answers
2k views

How to snap a road network to a hexagonal grid in QGIS?

I'm trying to use QGIS 2.14 to snap a road network to a hexagonal grid, but I'm getting strange artifacts. I've created a hex grid with MMQGIS, cells are approx 20 x 23 m. I've buffered the road ...
1
vote
1answer
548 views

QGIS topo snapping not working

I am using QGIS 2.14.0 and I need to fix some topology errors. Problem is that when I move polygon node to the another node they seem to snap correctly. However, when I move that node again, in too ...
2
votes
0answers
90 views

ArcSDE In a version geodatabase, snap tool does not work on a database feature class

I am setting up a series of tasks for technicians to complete. To finish the map template they will be working from, I must snap leak points to gas mains using the snap tool. However, after running ...
1
vote
0answers
111 views

Activating new Snapping feature in ArcGIS Engine while editing features and vertices?

I'm working on new Snapping Capability of ArcGIS Engine. I want to use snapping capability using ISnappingEnvironment class while users are editing a feature or moving vertices. I tried IPointSnapper....
4
votes
1answer
747 views

How do I create a target geometry to use with JTS GeometrySnapper?

I am dealing with geospatial queries on a database. The query returns all data sets within an arbitrary bounding box, given a point associated with the data set is within this bounding box. Since the ...
2
votes
2answers
153 views

Snapping Polygons in ArcGIS Desktop [closed]

I would like to snap these two polygons so that my city boundary lines up with the fire district boundary as much as possible. When using the Snap geoprocessing tool, what is the best way to ...
2
votes
2answers
2k views

Snapping multiple points to nearest edge of polygon using ArcGIS for Desktop?

I have a point grid (representing the centroid of a map tile) laid across a landbase; however, some of those points fall outside the boundaries (in the ocean). I need to somehow snap those points ...
2
votes
2answers
407 views

Get the coordinates of the snapped and clicked point in ArcGIS Engine

I am developing an ArcGIS Engine program. I am using the code below to activate snapping to a layer programmatically. I want to get the coordinates of the snapped point (clicked point). I know I must ...
1
vote
1answer
136 views

Editing polyline data, can't snap or modify feature

Editing in Desktop standard 10.3 and I am having issues with snapping polylines. I keep getting the same error below when I try to snap or move a line. Any ideas On why this might be happening?
3
votes
1answer
347 views

snapping line nodes to points

I have a dataset of manholes and pipes; I want to snap the lines start and end nodes to the manholes if they are within a specified distance. Been trying to find away to do this using PostGIS or QGIS ...
0
votes
1answer
320 views

Arcpy: creating a line on an existing line based on points' coordinates

I have a point which is some meters away from an existing line: This point should be snapped to the line (to the closest part) and then, based on the points' new coordinates, a new line Feature Class ...
2
votes
1answer
476 views

Stop snapping from occuring with inserted text?

I'm having trouble with text and scale bars in layout mode on arcgis snapping. I want to move the text freely. It's not necessarily snapping to inserted margins either. I've tried guides and it won't ...
3
votes
1answer
3k views

Snapping vector data to OSM roads

I'm looking for a solution to snap my GPX tracks to OSM roads. Mapbox Map Matching API actually does this, but sometimes snaps to wrong roads. In this wrong case I want manually edit snapped track by ...
1
vote
0answers
87 views

How to set snapping specification in web map feature layer (arcgis)?

I need to set snapping to snap just to polygon vertex (by default it snaps to polygon vertex and edges). In this example and according to this, the map.enableSnapping() function should return an ...
0
votes
1answer
90 views

Snapping polygons edges within the same shapefile

How can I snap polygons edges within the same shapefile? The objective is to get rid off blank spaces between polygons edges.
1
vote
0answers
700 views

Create Right of Way from Street Centerline file

I have a project where I would like to take all of the right of way areas in a county and categorize them based on type/ownership (state right of way vs. county vs. private and maintenance ...
1
vote
1answer
285 views

Snapping in ArcGIS API for JavaScript?

I want to add more than one layer to snapping in map var layerInfos = [ {layer:results[0].layer} ]; snappingManager.setLayerInfos(layerInfos);
0
votes
1answer
315 views

Match polylines up to polygon

I'm trying to match polyline layer features up to polygon edges in a different layer quickly. I have a huge extent of polygons (river) and separate lines (bank features) that I need to get to follow/...
3
votes
4answers
286 views

Showing spatial coincidence using QGIS / PostGIS?

I have a database of fire hydrants (HYD). The positions aren't very exact, the other fields are very useful. I also have a database of GPS'd fire hydrants (GPS). We are manually moving the HYD points ...
4
votes
2answers
129 views

Snap Input Rules

I need to snap polyline features in one layer to the nearest polyline in another layer. However, I want only the ENDS of the INPUT to snap to the nearest VERTEX in the environment layer. Is there a ...
1
vote
0answers
86 views

How to stop QGIS auto snapping new poly lines as they are being created?

Im creating a polyline based data set which involves digistising around a large amount of street outlines. Is there a way to stop QGIS from auto snapping the new polyline section to a straight ahead ...
2
votes
1answer
3k views

Snapping many vertices from line or polygon layer in QGIS?

I have several lines(streets) and polygons(plot layout of areas) that the shared points (lines: road intersections, polygons shared plot corner) are not connected. Is it possible to auto snap all ...
1
vote
2answers
3k views

Snapping existing raster to another existing raster using ArcGIS for Desktop? [duplicate]

I have got two existing rasters that have the same cell size (5x5m). The corner of cells from raster A are located exactly at the centres of cells in raster B. I want to place raster B exactly on top ...
2
votes
1answer
1k views

GeoTools JTS: Snap a Point to a polygon (equivalent to PostGis ST_ClosestPoint)

I'm using GeoTools JTS libraries in Java and I want to find the nearest point inside polygon shape to some single target location. This is exactly what in PostGis ST_ClosestPoint does. I found this ...
5
votes
1answer
896 views

Temporarily suspend snapping in QGIS

Is it possible to temporarily suspend snapping with a shortcut Key in Qgis, like its possible holding down space in Arcmap?
2
votes
1answer
398 views

Calculating midpoint for snapping using OpenLayers?

How to calculate midpoint of all lines in layers, and add to it layer for midpoint snapping, using OpenLayers 2.13? I've tried the following code, but does not work: var features=vectors.features; ...
3
votes
1answer
500 views

Snapping of ArcGIS Online features fails in ArcGIS pro

I'd like to edit a feature-layer that is published in ArcGIS Online with ArcGIS pro. I urgently require the snapping function. However, after enabling snapping I can only snap to the feature that is ...
10
votes
2answers
8k 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
votes
2answers
2k views

Snapping points to lines in QGIS/PostGIS?

I'm attempting to snap approximately 900 points to a line table. I've tried recreating what I have found from a couple of PostGIS answers but not having much luck. To test, I've created two ...
0
votes
1answer
358 views

GPS points of a vehicle snapped to a specific polyline path [duplicate]

So I have been capturing bus GPS locations for a while now, and I am became interested in snapping them to their corresponding polyline (route). While at first this seemed like an easy enough task I ...
1
vote
1answer
383 views

Capturing coordinates via snap with QGIS

I would like to know if there is a way to get and extract the coordinates of a node (one of the node that conforms a polygon) in order to use these pair of coordinates to georeference a DXF file, ...
1
vote
1answer
268 views

Snapping Agent does not work with ArcGIS 10

I'm trying to create snapping agent, I'm using the standard code from ESRI ArcObject Library, this code works perfectly on VB6/ArcGIS 9.3, but not on VB.net (3.5 SDK) and ArcGIS 10. The property "...
3
votes
1answer
192 views

QGIS 2.8.1 (Windows 64bit). Setting snapping to the “decoration” grid?

I was wondering if anyone knew of a way to snap digitizing to the grid you can create in View>Decorations>Grid? I can't see anything in the manual or the menus so I am thinking there probably isn't ...
2
votes
0answers
592 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 ...
3
votes
1answer
306 views

Splitting polyline with ArcGIS Pro snapping environment?

I would like to take advantage of the 64-bit environment and speedier screen refreshing for some editing we do. Although I personally don't find the ribbon interface very intuitive, the ArcGIS Pro ...
1
vote
0answers
199 views

Matching/snapping two shapefiles using node and snapping tools

I am trying to edit my shapefiles through QGIS 2.6.1 Brighton. I used the node tools to snap the necessary nodes to eliminate spaces between two shapefiles. However, while doing it I noticed that an ...
1
vote
1answer
283 views

Snapping Manager

We are using ArcGis js API version 3.12 and 3.5. and we are trying to use the snappingManager object. We can only snap to recently drawn objects and can't snap to all the layers. We have just once ...
0
votes
1answer
1k views

Joining Points to Lines in ArcGIS for Desktop?

I have a shapefile of line data (roads) and one of point (villages) data. In an ideal situation all the points should be connected to a line. The data that I have doesn't obey this. I need to join all ...
0
votes
1answer
417 views

Snapping points to Polygon using QGIS?

Can QGIS automatically snap points to a polygon in a layer? From that can the points then be put into a text delimited file in sequencial order?
3
votes
1answer
3k views

Is there FME transformer to snap point on point of nearest line?

I have a DWG file which has lines and points. I use FME (2014) to translate it into a shapefile. This works fine but now I want to add some transformers in the workflow. The first thing I want is to ...
1
vote
1answer
108 views

Cleaning shapefile with multiple boundaries defined more than once

I have a shapefile which contains a lot of polygons which define airspace. These polygons overlap and this is fine (e.g. different airspace configurations for the same airport). My problem is that ...
1
vote
1answer
193 views

Using Snap tool with iterator in ModelBuilder?

I have a folder containing large number of shapefiles that I would like to snap to a surrounding buffer. I need to snap UK district boundaries to 500m buffer around coastline. I have produced 200m ...
5
votes
3answers
5k views

Is it possible to perform automatic snapping of polygons in QGIS or ArcGIS?

Note: in the picture below white space between the polygons is blank space – it does not contain any polygons as a result of Intersect or Union functions.
6
votes
2answers
456 views

Snapping leaves small gap between features in ArcGIS for Desktop?

I'm using classic snapping in ArcGIS 10.1. At the scale (1:5,000) that I'm using to snap the edge of one rectangular feature to the edge of another rectangular feature, snapping seems to work fine. ...
2
votes
0answers
646 views

Moving multiple features to snap to nearest edge

I have thousands of long rectangular polygons which I need to align to a specific/nearest edge. The screenshot below demonstrates what I need to achieve: Yellow and white dotted features need to ...
2
votes
1answer
651 views

How to enable the snapping options for vector layer using the python programming?

I want to enable the snapping options for the the existing layers using python programming. How can I do this?
0
votes
1answer
143 views

How to snap already digitized polygons in different layers using QGIS?

As a newbie, I have digitized a lot of polygons without snapping them. Is there any way that I can add snapping to them aftervards? They are in different layers?
1
vote
2answers
1k views

How to snap polygons to lines?

How can I snap a polygon to a line? For example, I have a polygon which represents some meadows to snap over a line which represents a road.
4
votes
2answers
15k views

How to snap lines to nearest point?

Is there an easy way to snap lines to nearest point of either a line or a polygon? I don't see any snapping options for line layers as suggested on How to merge lines with slightly different endpoints ...
1
vote
2answers
667 views

Open Street Map and Arcgis 10.1 Network Analyzer

how to make roads in open_street_map ready for network_analyze in Arcgis-10.1 Details: I'v download an osm map of my town I saved the street lines as polyline shapefile I opend them in arcgis-10.1 I ...