The polyline tag has no wiki summary.
1
vote
0answers
39 views
3d borehole view for ArcScene
I am trying to make a 3D Representation on the well from the following data. I cnat put it in a table work from there and use python. Just not sure the math. Anyone Help I do have the starting ...
6
votes
2answers
283 views
QGIS or Postgis - How to split polylines with a point layer?
In QGIS, I would like to split the polylines in a layer loaded in the workspace with the points in another loaded layer. If a point intersects a polyline, this polyline should be transformed into two ...
4
votes
2answers
98 views
How to create points in a specified distance along the line in QGIS？
I want to use QGIS creating points along the line, but in specified distance. I found two GRASS tools in SEXTANTE Toolbox：
v.to.points
v.segment
I tried v.to.points, setting the maximum distance ...
1
vote
1answer
61 views
Polyline ZM: automatic vertex height errors correction
Paolo
I've got many rivers (polylines ZM) with a lot of height errors in Polylines 'vertices.
Vertices' Z errors are not all equal in height (i.e. they are not all at zero height).
I must create a TIN ...
1
vote
3answers
87 views
How can I merge a LOT of polylines automatically?
I have lots of MultiPolylines, three-dimensional arrays where the bottom level is an array of lat/lngs, the second level is an array of those points (a single polyline), and the top level is the group ...
2
votes
1answer
125 views
Postgis 1.4 - Obtain closest point of point over polylines layer (without st_ClosestPoint)
I´ve got a polylines layer (pipes) and a points layer (valves) and In Postgis 1.4 I would like to obtain the closest points but exactly on the closest polyline. In other words, i need to locate each ...
0
votes
0answers
207 views
ArcGIS 10.1: How to transfer vertex Z values from one polyline layer to another similar one that has lost it's Z values?
In ArcGIS 10.1 (ArcView/Basic) how would I go about transferring vertex Z-values from one polyline layer to another geometrically similar layer? Unavoidably for now, In ArcGIS 10.1 (ArcView/Basic) I ...
4
votes
1answer
77 views
Splitting polylines according to coincident (or touching) points with other polylines?
The question is unfortunately not answered yet.
I'm looking for a method or python script to split polylines according to coincident points with other polylines, but avoid splitting the ones which ...
2
votes
0answers
51 views
Problem about converting raster to polyline and calculating total length
I have raster file of line segment. I need to convert it to line and get the distance of that line. How can i do using Python and ArcGIS 10? I have tried with GIS tools Convert Raster to Polyline but ...
1
vote
1answer
65 views
How to get polyline out of multipart feature using ArcObjects C#
I've got a polyline feature class and I've identified the first feature that is a multipart feature. I now want to find out which of the paths of this multipart feature intersects with a point.
Up ...
0
votes
1answer
40 views
How to smooth XY Co-ordinates of linear feature?
I need to smooth xy co-ordinates. see the image:
In this case, i need to remove 5,6,7,8 and 9th co-ordinates or need to make those co-ordinates as a straight line between 4th and 5th. is there any ...
1
vote
1answer
44 views
Writing length of line along the line
I sometimes have to write out the length along a line for every couple of hundred meters or kilometers. This applies to pipes, when the construction team wants to know where along the pipe they are or ...
4
votes
1answer
131 views
How to repair and clean contours from high data resolution (lidar)?
I'm unsuccessfully trying to make a bathymetric map with contours extracted from Lidar data at 1 m resolution.
The extracted contours have a lot of artifacts like dangles and islands.
First I used ...
1
vote
1answer
62 views
How to Blink a line on a map similarly like a point blinking on map through lat lon points
how to blink a line on a map which is formed by lat lon points through linestring from database the points(lat,lon) comes which is stored in form of MultiLineString.
similarly like how a point ...
1
vote
0answers
23 views
Uploading Polyline feature in ArcGIS Online [duplicate]
I'm seeing some snapping/topological errors in ArcGIS Online (trial version) when I upload my well snapped polyline layer.
Please see the screen shot below.
What may be the cause of this?
3
votes
0answers
67 views
Shapefile and DEM: check rivers behaviour
I'm working with shapefiles representing rivers (rivers.shp), and DEM for the terrain elevation (terrain.tif).
Basically, I want to check that my rivers (stored as polylines in my shapefile) behave ...
0
votes
0answers
40 views
Create Layer including drawing objects
I draw some polylines on map. How create new layer with this features?
Map and Polylines must be in different layers.
public void DrawPolylineUsingInputGeometry(IActiveView activeView,
...
3
votes
1answer
157 views
Pivot a polyline at vertex or distance using ArcObjects C#
I hope you can help me with that one. I'm using ArcObjects with C# trying to rotate only one part of a polyline at a vertex or distance along the polyline. The polyline is zAware and has values at ...
1
vote
1answer
83 views
Point to Polyline
I have shot points that I am trying to convert from Points into a polyline for linear distance for each Tract in ArcView 10.1. What is the best way to do that?
Aaron, shot points are Seismic shot ...
3
votes
3answers
171 views
ArcObjects C#: select intersecting polylines
My questions seems trivial but it is a real blocker for me. So please help!!!
How can I, using ArcObjects with C#, select only those polylines in one layer that intersect with each other?
It sounds ...
0
votes
0answers
78 views
How to insert vertex in polyline layer where we have a point in a point layer
I have a polyline layer and a point layer. Some of the points are on the polylines, but the polylines do not have vertex in these points.
How can i insert vertex there ?
2
votes
1answer
133 views
How to split zAware polyline by points programmatically with C#?
I'm trying to split a polyline by the boundaries of a polygon using IPolyCurve2.SplitAtPoints using C#.
The polyline I'm trying to split is zAware and holds elevation values at a regular interval.
...
0
votes
0answers
151 views
create polylines with different colors in leaflet
I have one function which creates poly line & adds that polyline to map
function makeRoute(e)
{
if(pointsSelection.length > 0)
{
pointsSelection.push(e.target.getLatLng());
...
2
votes
2answers
133 views
Calculating the distance between points and multiple lines
I have a point shapefile of about 100 points and a polyline shapefile of about 200 lines and I am interested in finding the distance between every point and each individual polyline. My polyline ...
3
votes
1answer
77 views
How to check if geometry is M aware?
I am trying to determine whether my shape file that I pass is in M-aware (has M value). I keep getting an error
Attribute Error: 'Polyline' object has no attribute 'hasM'
Not sure what I am doing ...
3
votes
2answers
92 views
Polyline in shapefile
I'm still pretty new to arcpy and am still learning. I'm working on a script that has a polyline as its input. I'm able to traverse the polyline and get points at certain intervals. These intervals ...
6
votes
2answers
149 views
How to calculate tortuosity of a coastline?
I would like to calculate the tortuosity (or fractal dimension) of a coastline within a 1km buffer surrounding a point on that coastline. I have hundreds of points and therefore need a tool or scripts ...
1
vote
1answer
129 views
QGIS create layer with the points of the beginnings and ends of a polylines layer (without duplicate points)
In QGIS, i would like to create a new layer containing the beginning and end points of a polylines layer, but without the duplicate points that would result of adjacent polylines.
2
votes
2answers
91 views
How to Find if set of Polylines are Connected?
I am using ArcGIS 9.3. I have a Polyline Feature class with attribute field as Street_Name. I want to Check if for say Street_Name='My Street' (say around 10 Features from the layer) all the polylines ...
