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

learn more… | top users | synonyms

1
vote
2answers
194 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 ...
0
votes
1answer
75 views

Problem with snap layer when in name is space

I'm trying to make a option, where user can choose layer to snap. All is okey when layers names are without space, but if in name is space (like 'something layer name') snapping does not work. How can ...
0
votes
1answer
67 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 ...
0
votes
1answer
123 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 ...
2
votes
0answers
130 views

Snap points to line and calculate chainage using Open source GIS

I have a line layer (representing a pipeline) and a points layer (representing valves) and I would like to calculate the chainage of the valves along the pipeline. I assume that I would first need ...
2
votes
0answers
230 views

Get Feature that was snapped to in New Snapping Environment

I asked this over at the ESRI forums but lack of activity over there made me post here as well. Does anyone know if there is a way to get the feature that something was just snapped to in the ...
1
vote
0answers
22 views

Snap (editing tools) in ArcGIS not working properly

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 ...
1
vote
0answers
135 views

Snapping in Esri javascript api does not work on mobile device

I have an Esri map loaded using the javascript api. I try to enable snapping, where a point should always snap to a given line. I have a snap point symbol that will trace the line to snap to when I ...
1
vote
0answers
95 views

Snapping “Point to Line” Results to Correct Streets

Here is the problem I am facing. After geocoding some addresses, I used the "point to line" tool. Some long streets with minimal matching address points created long lines that intersect the road ...
1
vote
0answers
37 views

How can I do multiple snapping of vector layers in QGIS?

I have a network of a transport system that I created from 1970-2013. However, the accuracy is letting me down as I used different snapping settings throughout the process. Is there a plugin or a way ...
1
vote
0answers
88 views

how to avoid Intersection of polygons via python code

i am using QGIS 1.8 and i can set the check box in Setting\Snapping Options "Snapping and Digitizing " dialog to avoid polygon intersections and enable topological editing but i am looking for a way ...
0
votes
0answers
20 views

How to cut a polygon without snapping to a vertex?

I am familiar with editing polygon files in QGIS version 1.8. I have recently upgraded to version 2.0 but there seems to be a difference in the way it processes cuts. I used to be able to cut a ...
0
votes
0answers
48 views

Alternative to Snap (Editing) in QGIS/MapInfo?

Is there any alternative to Snap (Editing) in either QGIS or MapInfo (user-made tools), or another way to do this in ArcGIS without an advanced license?
0
votes
0answers
35 views

Gaps when extending lines

When I use the extend tool, the lines don't meet (leaving a very small gap - less than 0.0001 - which doesn't allow the network analysis to work properly). I'm assuming this has to do with the fact ...