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

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0answers
287 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 ...
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63 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 ...
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1answer
556 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 ...
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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 ...
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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....
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2answers
154 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 ...
3
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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 ...
3
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1answer
348 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 ...
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1answer
324 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
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1answer
487 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 ...
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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 ...
1
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1answer
295 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);
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0answers
711 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 ...
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2answers
673 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
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1answer
1k 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
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1answer
321 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
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4answers
291 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 ...
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1answer
145 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?
4
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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 ...
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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
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1answer
1k 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 '...
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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 ...
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2answers
2k 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
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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 ...
2
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1answer
655 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?
2
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1answer
403 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
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1answer
507 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 ...
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1answer
205 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 ConvertPixelsToMapUnits(ESRI.ArcGIS....
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1answer
362 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 ...
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1answer
269 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 "...
2
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0answers
597 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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0answers
200 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 ...
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2answers
535 views

How to avoid snapping errors in QGis?

I am using QGis version 2.2.0 and I set the snapping option to the vertex, with a tolerance of 1.5 meter. When I draw a new polygon next to an old one, it seems like the vertices are automatically ...
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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
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1answer
421 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?
12
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4answers
27k views

Tool or process to automatically snap endpoints of polylines within given proximity using ArcMap?

I created a network of polylines that were all supposed to be connected. However, I just realized that many of the endpoints of the lines aren't connected, but are very close. I think there should ...
5
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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.
2
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0answers
649 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 ...
1
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1answer
554 views

Snapping one vector layer to another

Is there anyway to snap one set of vectors to its nearest neighbor vector in another feature class? For example, I have a road feature class and a feature class of bridges and I want to snap the ...
11
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5answers
30k views

Snapping points to lines in ArcGIS Desktop and automate using VBA?

I use ArcGIS Desktop and I want create a network with a point feature and a line feature. I need my point features to be on the line features so I should do Snap point to line. However, I do not ...
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1answer
264 views

How to transpose data points to a line efficiently?

See sketch below. The main objective, using ArcGIS 10 or 10.1, is to get the P points to the perpendicular P line and, either the closest B point to the endpoint of the P line where it interesects ...
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1answer
153 views

ArgGis seems to snap but doesn't

We are building a project in ArgGis 10.2 were we create buildings using rectangles. Some of them need to be attached at one or more sides (they have common walls), so we would use snapping to snap ...
1
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1answer
317 views

Snapping with polgon drawing

I am drawing a polygon with the drawing function within ArcGIS 10.1. Is there a way to snap orthographically at 90 degrees while using the polygon draw command. I added a picture of what i would ...
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0answers
417 views

Snap (editing tools) in ArcGIS not working properly [closed]

I am using the snap tool to match one polygon file to another, using the EDGE Snapping Environment Type Option. The tool appears to work properly for the vertices of the input feature polygons that ...
5
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1answer
2k views

Leaflet snap circle draw to marker

I am looking for ideas/libraries that enable snapping when I create a circle with leaflet draw. There is the libaray Leaflet snap, that enables snapping of draggable markers to polylines and other ...
2
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4answers
382 views

How to set a minimum point snap distance?

There are two points: A and B. I need to snap any points within a 65 m search radius (blue buffer) of point A. However, the snap distance of B needs to be exactly 5m apart from A (i.e. located ...
3
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1answer
313 views

Is there an alternative to the Integrate tool that will not change one of the inputs

I have two polygon layers, and would like to snap the outlines of one of them (colored poly's) to the other (grey) without changing the grey in anyway (so Integrate seems out). It should only snap if ...
7
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4answers
8k views

How to close multipart polyline gaps in ArcMap

I have a multiple multipart contour lines that originally came from CAD drawing. I converted these into a polyline shapefile in ArcGIS. The issue I have is with gap in each contour lines that are ...
1
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2answers
313 views

How to activate snapping for layer you are drawing polygons in?

I want to draw multiple polygons in a layer that have boundaries without a gap, so I activated snapping for that layer. But it doesn't work. For other layers it works fine.
4
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1answer
284 views

Showing snapping error in ArcGIS Online

I am doing some test in ArcGIS online to know how much helpful it is for my firm, But when I opened my road line .Zip shapefile in ArcGIS online it is showing some snapping issues as well as changed ...