Questions tagged [polyline-creation]

Used for questions about making polyline features

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ESRI ArcGIS error: Zero length polylines not allowed [closed]

While writing a simple ICommand in ArcMap 10.2.1 using C# that lets you select two different point features on the map and it creates a feature in a polyline feature class with those two points as its ...
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2answers
1k views

Convert x y coordinates to polyline shapefile

I am trying to process output from a model that simulates the movement of particles in groundwater. The program outputs the particle ID number, the x and y coordinates, and the time at which the ...
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1answer
73 views

Failing to get WKT to reference for a multi-line

I have a shape that I've exported to CSV and GeoJSON to be loaded into CartoDB. Unfortunately, the GeoJSON doesn't work so I am trying to upload the CSV but don't quite understand how to get the array ...
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0answers
11 views

Merging elevation values of multiple point shapefile

In ArcMap I have thousands of points with elevation values from an aviation route. This route is stored in a multiple point shapefile. I made a polyline shapefile based on the route x, y locations. Is ...
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79 views

How to save marker and polyline in database?

I want to store marker and polyline in the database. In this script, I have 3 functions, that is to draw a polyline, marker and the point of destination. Can anyone fix my script below? var map; var ...
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38 views

From raster to polyline in QGIS

I'm trying to extrat ridges from ALOS images on qgis. I would like to have polylines so I can use the plugin AutomaTracks from Sebastien Peillet. I did inversed the MNT using raster calculator then ...
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34 views

Geospark - Creating LineStringRDD from coordinates extracted from the sides of each polygon in a PolygonRDD

I am using geospark 1.1.3 with scala and I am trying to split into lines a polygon shapefile dataset which contains 189 polygons. I am expecting to get each side of each polygon as a LineString, ...
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29 views

ArcGIS *.gen files: make polyline from points

I have *.gen files that have have the point coordinates (in known UTM datum) for multiple lines. Is there a one-click tool to get these into a polyline SHP? (I was thinking Generate might do it, but I ...
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55 views

Attributing height data from points to Polylines for Tin creation?

I have to make a TIN of water surface height from about 170 points which have been collected from RTK along a river. The points however are few and far between and rarely on the opposite banks to ...
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0answers
100 views

DotSpatial M and Z values not displaying in ArcGIS Desktop?

I'm making a polyline with M and Z values using DotSpatial. The M an Z values are displayed when the shapefile is dropped in QGIS, but in ArcGIS, though the attribute table indicates that its a ...
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1answer
258 views

Extracting Transit Layer polylines (e.g. subway lines) and using them in Google My Maps?

I am trying to create a Google My Map of Tokyo Metro and Toei Subway lines. So far, I've been painstakingly drawing the subway lines manually, only using a mouse. Here's what I've got so far (WIP, of ...
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1answer
6k views

Remove the last plotted line from Google Map _ Android?

I created a class that select latitudes and longitude from sqlite then mark on map then draw polyLine. Problem : Every time I select my records 100 to 100, when I saw first 100 then I clear map then ...
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1answer
74 views

Trouble creating a line in ArcGIS

I'm not able to create a line in ArcGIS. I started an edit session and began with straight segment. All I want to do is draw a line out of three single points - lets say the coordinates for the points ...
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1answer
104 views

Line style width property not being applied in QGIS 2.0.1

I change the line width of my style and click apply, but the property does not seem to be applying to my line data.
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1answer
107 views

Georeferencing system of rivers using XY To Line tool? [duplicate]

I have a State Water Hydro layer from our GIS county office that does not have georeferenced attributes (It is sitting on top of a State Plane county basemap). Looking at the XY to Line tool I need ...
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1answer
2k views

Plotting points into segments on roads exactly with ArcMap?

I have a set of data (see the table below) which has an origin lat and long and destination lat and long with speed. I just want to plot lines between the origin and destination, and color code them ...
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1answer
33 views

Looking for FOSS tool that converts polygons into polylines? [closed]

I'm trying to convert a polygon layer into a polyline layer using a free open source tool. I have been able to perform this task in ArcGIS but can't find any free tools that will do the same thing. ...
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1answer
1k views

How to create coastline in ArcGIS 10.2

I want to generate the shortest distance to coastlines from interested points worldwide. My question is given existing world map polygon file, what the standard way to create coastlines is.
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1answer
220 views

How to create a polyline feature from a point layer

I would like to create a route line based on a point layer. The existing tool does not meet the customer requirement. But using the code snippet below, the start point and end point are always the ...
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1answer
2k views

I ran the code and got this error TypeError: 'float' object has no attribute '__getitem__' [closed]

import arcpy, os arcpy.env.overwriteOutput = True def polylineArea(x, y): # this is your function definition count=len(xlist) area=0 j=count-1 for i in range (0, count): area+=((x[...