1
vote
0answers
33 views

Extracting raster values with polylines in QGIS

I have a polyline shapefile that represent a road an a raster grid with slope values. Is it possible to interpolate the shape file and the grid to have the average slope of the road? I know that I can ...
1
vote
2answers
41 views

Export long lat from polyline as csv file in QGIS

I want to draw a line in QGIS and then, export the long-lat of each point into a Comma Separated Value (csv) file. I tried doing this by creating a new shapefile layer and then using the Add Feature ...
3
votes
2answers
30 views

QGIS Line End Caps

When styling a road network where all sections of the network between junctions are separate paths, I style the ends of the lines to rounded to remove any gaps that might appear where the joins are at ...
0
votes
0answers
44 views

How to create a point representing a polyline?

How do I convert a line (usually 2 vertices but can be more) into a single point in QGIS? I did it a couple of years ago using a build-in tool in ArcGIS 8 or 9 I think but have no idea how to do it in ...
0
votes
2answers
136 views

Explode/Decompose Polyline Network with MapInfo

I have a network of polylines which possibly include multi polylines as well. I wish to decompose these polylines into their fundemental line segments so I can produce the following table: Link_ID | ...
3
votes
1answer
223 views

What's the unit of measurements produced by “sum line lengths”?

My goal is to find the total length of roads per county for a particular state. You would think there would be a simple government spreadsheet with this information in it.... I cannot figure out how ...
2
votes
1answer
273 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 ...