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

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2
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0answers
7 views

MODIS Imagery Orthorectification (Open Source)

I am looking for an open source free software/tool for orthorectification/Geometric terrain correction of MODIS imagery. I have looked at ESA (European Space Agency) SNAP but this sensor type is not ...
29
votes
9answers
31k views

Removing small spaces (slivers) between polygons?

I have a set of polygons representing administrative districts. The districts were digitized by hand, and there are small spaces (slivers) between polygons where the polygons should be touching. How ...
1
vote
1answer
200 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 ...
2
votes
4answers
1k views

How to connect stops to road for network dataset?

I have 3 files a bus route network, road network and bus stops. I want the bus stops to be the connections between the road network and the bus route. When I try and build the network dataset I am ...
9
votes
4answers
316 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
0answers
27 views

qgis snaps to outside instead of boundary

I have polygon layers that I need to be covered by other polygon layers, and many of my inner layers have a vertex on the border of an outer layer or in some cases they share an edge. Both ST_Covers ...
3
votes
1answer
33 views

How can I aggregate coordinate points attributes from multiple similar layers into one layer following a specific route in QGIS

I'm new in QGIS (and GIS in general). I posted a screenshot to help you understand my question. I have data from 3 different runs measuring air quality in the streets shown in the screenshot. As you ...
3
votes
3answers
2k views

ERROR 000800 when trying to snap points layer to line or buffer layer

I am very new to GIS, so go easy on me. I am using ArcCatalog 10.0 and trying to snap a set of points to another layer that has roads in it. The points represent 10th miles along the road. Here are ...
0
votes
1answer
43 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 ...
1
vote
0answers
32 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
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0answers
20 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 ...
11
votes
4answers
1k views

Real time map matching using ArcGIS Desktop?

I am working on a project which requires real time map matching. I am currently using ArcGIS but not sure whether it will work. Here is what happens with my system: the cell phones sent GPS fixes ...
1
vote
1answer
39 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 ...
3
votes
2answers
51 views

Snapping Polygons in ArcGIS Desktop

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
1answer
69 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 ...
2
votes
1answer
42 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 ...
2
votes
1answer
50 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 ...
1
vote
1answer
30 views

Editing polyline data, cant 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?
2
votes
1answer
59 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
65 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 ...
2
votes
1answer
32 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 ...
1
vote
0answers
22 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
41 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
43 views

Snapping polygons edges within the same shapefile

How can I snap polygons edges within the same shape file? The objective is to get rid off blank spaces between polygons edges.
6
votes
2answers
112 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. ...
1
vote
0answers
60 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
2answers
338 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 ...
6
votes
1answer
774 views

Measuring Right of Way in ArcGIS Desktop?

I'm helping bring CAD people into ArcGIS so that everyone throughout the company is on the same page and there is one database for everything. Right now, one of the biggest hurdles is making sure all ...
0
votes
1answer
90 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 ...
3
votes
4answers
82 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 ...
0
votes
0answers
55 views

Openlayers snapping not working

I am using a vector layer on my map that contains lines like this: var map = new OpenLayers.Map({ div: "map", layers: [ new OpenLayers.Layer.WMS( ...
0
votes
1answer
50 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?
2
votes
2answers
43 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 ...
0
votes
0answers
35 views

Snapping issues with ArcMap in Virtual Box, Windows 8 guest? [closed]

I'm using a Linux host, Windows 8 guest, to run ArcMap 10.2. Snapping works, but only near the center of the window. If I go outside of an imaginary box from the center, snapping doesn't work. Is ...
1
vote
0answers
34 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
825 views

Snapping lines to points

I have a layer containing a vector 'Line 1', that originates at point 'A' on a second layer. I also have point 'B' on a third layer. I want to create 'Line 2' that has the same angle and length of ...
1
vote
2answers
214 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 ...
3
votes
2answers
1k views

ArcGIS Trace tool not honoring classic snapping?

I have just installed service Pack 3 for ArcGIS 10 Desktop. Normally I use the new snapping environment, so I am unsure whether this is a new issue with SP3 or if it has been the case the whole time. ...
2
votes
1answer
215 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 ...
2
votes
1answer
267 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?
3
votes
1answer
114 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
105 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
88 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 ...
0
votes
1answer
186 views

Is snapping working when changing from NAD83(decimal degree) to NAD83 Zone UTM 11N(meters)?

I've used the following ESRI snippet to Convert the display extents in Pixels (at the current map scale) and then return out the map units. public System.Double ...
0
votes
0answers
58 views

Snapping points to polylines and maintaining minimum distances between the points as well as meeting other parameters

I have thousands of locations that I would like to snap to be placed on top of a hundreds of polylines based upon matching attribute fields. Think of them exit signs located on every ...
3
votes
2answers
330 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, ...
2
votes
2answers
192 views

how to snap 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
68 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
72 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, ...
2
votes
1answer
116 views

Snapping while measure in QGIS?

I've been reading here and there that snapping while measuring should work in QGIS, but i can not make it work for the life of me. https://hub.qgis.org/issues/8537 All the snapping options are set ...