Questions tagged [vertices]

Also known as a "nodes", the points specifically used to describe a polygon or polyline in a "vector" or "linestring" representation.

33 questions with no upvoted or accepted answers
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How to select and move below vertex - Vertex Tool (QGIS 3.6)

I have a path (tracks) generated by points, which I snapped before to a grid (so there is some vertex at the way back that are overlayed), that at some point overlay each other. When you select in the ...
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547 views

Update sde.st_geometry M values to cumulative distance (geometric length)

I'm trying to write a query to update sde.st_geometry M values to the cumulative length of a line. The M values in my route feature class are purely based on the geometric length of the line. The ...
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255 views

QGIS, deleting last placed vertice while digitizing, can I custom keyboard shortcut this task?

Upon searching this topic, I found the answer of using the delete or backspace key to delete the last placed vertex while editing. My question, Is it possible to reprogram this delete function to a ...
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1answer
116 views

Adding vertices to multiple overlapping line segments in QGIS?

I have a polyline dataset of transit routes for my city. Around the transit stations, up to hundreds of routes overlap completely, but do not follow the correct path that the busses actually travel (...
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129 views

How to get closest Vertex value from Selected Feature by point Using qgis python

For example I have a point ( 0 , 0 ) And I have a selectedFeature How can I get value ( x , y ) of closest vertex from selected Feature by Using Python Console in Qgis image for example :
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Selecting set of vertices (not complete feature) and pasting into another feature in same or different layer using QGIS?

I want to select a few vertices in QGIS 3.2.2 (for example a bend in a river) and copy that into another feature in the same or in a different layer. The pasted vertices would be added to existing ...
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94 views

arcobjects modify vertices coordinate in both interior ring and exterior ring

I have a multiple parts polygon and I want to move all vertices of this polygon. I use exteriorRingPointCollection and interiorRingPointCollection to get all vertices. But I cannot get the result I ...
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694 views

Geocode area/neigborhood into polygon vertices

I have been successfully using the Google Maps API using the R package ggmap to find location coordinates for e.g. addresses or city names. However, Google Maps now shows areas as well, indicating ...
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1answer
34 views

Adding multiple vertices in QGIS

I created a new polygon feature in QGIS 3.4 using the add polygon feature tool. I accidentally clicked the right mouse button to finish creating the feature. I want to continue being able to add ...
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20 views

Creating unique points at the start of multipart polylines in ArcGIS Pro

I have polylines from a network analysis representing public transport trips. These are multipart polylines. I need to identify the starting point for each trip. However, using vertices to points to ...
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19 views

PostGIS - find vertices on polygons without partners

My goal is to ensure that a set of boundaries have vertices that are co-incident where they intersect by a tolerance of 5m. So I am looking for orphan vertices that are not on an external boundary. I ...
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26 views

Making rhomboid with user defined angle in ArcMap?

I need to capture some buildings in ArcMap 10.3. It works fine for perfectly rectangle buildings, but whenever some location has buildings with an angle like a rhomboid then it became very time ...
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How do I add vertices on a segment in QGIS 3.9.? Double-clicking doesn't work

I tried adding vertices to segments of a polygon by double-clicking on the segment, but instead of adding a node, the nearest node was moved to the double-click. Clicking on the cross doesn't work ...
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1answer
55 views

Getting the coordinates for tripoints where three counties intersect

I'm trying to make a simplified triangulation of a US state (say Ohio) based on the counties. The way I accomplish this is to treat all boundaries, no matter how crooked, as straight lines whose ...
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195 views

Adding Points to line at certain distance using QGIS?

USING QGIS 2.18 This question seems to have been asked a ton with lots of options.i just need to add some points/nodes/vertex to a line at a recurring distance along that line. There are some ...
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How do I compare vertices?

Is there any easy way to compare if features in one set are sharing vertices? If I am cutting parcels and I want the next parcel over to have the same vertices? I converted my vertices to points, ...
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94 views

How to make two vertices to have a certain bearing in QGIS

I have a shapefile in QGIS which was hand-drawn and I want to align the N/S and E/W lines to true N/S and E/W, is there a way to select the two vertices of the line and make one/both move to make the ...
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388 views

Snapping coordinates/points across different layers in QGIS

I'm referring to the plugin that was Numerical Vertex Edit where it selected the nearest point in one layer and allowed for a copy and paste to another layer's any given point to match its coordinates....
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112 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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348 views

Matching vertices in igraph (R)

I'm currently using a combination of ArcMap 10.2 and igraph in R to analyse a network with associated data. I have an igraph network object based on the OS ITN network with associated TOIDs for each ...
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141 views

How to set a defined distance between nodes to digitize in qgis?

Using QGIS (by now I have the 2.4 version) I would like to set some parameter (I don't know if such exists) that would impose a definite or maximal distance between nodes when digitizing a polyline or ...
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182 views

When digitizing Lines, vertices are automatically generalized when finished feature

I am creating lines(feature class) and when the feature is finished Arcmap 10 will automatically generalize/smoothens the line. Is there any reason why this is happening? is this a bug of ArcMap 10? ...
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52 views

Calculate average M value for NaN vertex

I would like to know if QGIS has the option to calculate average M value for NaN or "0" vertex values like "Calculate NaN" available in ArcMap. Please check the attached Arcmap image showing the ...
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Many vertices are created for all line features (Complex Edge) after creating Geometric Network

Many vertices are created for all line features (Complex Edge) once I create the geometric network. Is there a solution to get rid from these vertices?
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32 views

Can't add vertex to polygon in QGIS3

I'm working in QGIS3.8.3 and am trying to use the Vertex Tool to add a vertex to a pre-existing polygon. I expect to be able to do this in an editing session by hovering over the segment in question ...
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42 views

Seeking geoprocessing tool for adding vertex at intersection without splitting

I have a polyline shapefile and a polygon shapefile. I need to add vertices to the polylines where they cross polygon boundaries. The polyline length must stay the same, so the Intersect tool doesn't ...
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36 views

Why does Modify Vertices seem to fail for no reason in ArcGIS Pro?

I could be working on a project for a while, between two maps and having no trouble modifying features. Then suddenly I will try to adjust the vertices on a line, and I get an error message: modify ...
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19 views

QGIS. Polygon vertices automatic bind to WFS point features

I have a layer with polygons in QGIS. I have a layer in the same project with points from a WFS. Is it possible to bind vertices from a polygon to points from the WFS layer. So if the admin of the ...
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128 views

GRASS GIS: connecting vertices with lines along following Node Number

My goal: Convert vertices to a poly line describing the general route to have 1 line describing the center line of a river. Limitation: The whole process has to be automated. The raster can ...
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27 views

Changing the color of scale and rotation points when editing a feature

When selecting a feature in my application and selecting the edit button the selected features become editable. This means that the points for scaling and rotation of that feature are made visible as ...
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275 views

A method to add a point into a line string in C#

I am working on a way to add a point(x,y) into a line. In fact a line consist of set of point with an order in them. so when I want to add point into line I must consider their order. In fact I must ...
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1answer
119 views

Seeking ArcGIS Pro tool to get min and max latitude and longitude coordinates?

I am very new to ArcGIS Pro and have been struggling with getting the minimum and maximum latitude/longitude of an area in ArcGIS Pro. I am looking to get four coordinates of a rectangle that ...
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1answer
35 views

Adding vertex where point intersect in ArcGIS Desktop?

How do I add a vertex to a line or polygon where a point feature intersects it? I am using ArcGIS Desktop.