Questions tagged [curved]

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votes
3answers
68 views

Selecting point features on the outside of line curves - QGIS 3

I need to select points that fall on the outside of line curves using QGIS3. I have evaluated the curvature of the road and used that to select points that are within 20m of a "curved road" (...
0
votes
0answers
17 views

Trigger converting multilinestrings to curves

I created a small web app based on PostGIS / Geoserver / Leaflet. I can draw polylines from my interface thanks to the Leaflet Draw plugin and send them to PostGIS with a Php and Ajax script. When my ...
3
votes
1answer
151 views

QGIS: Making flow-map, with curved arrows of different colours and varying sizes

I have a shape file for the World Map and the following data in text file (Added as delimited text layer): I would like to use QGIS 3.10 to achieve three things: a) To make a flow map to have CURVED ...
1
vote
1answer
305 views

OpenLayers drawing curves

I'm trying to draw a Bezier curve in OpenLayers (geometryFunction2) but there is something wrong with my approach I don't get. The first line seems fine but I can't place the next one. It work's fine ...
3
votes
2answers
521 views

Drawing curved segment in QGIS

I have to create segments like the one in the picture: I need to draw a segment where there is a straight line and other parts of segments with arcs of different angles. The part of the segment that ...
1
vote
0answers
54 views

Bending arrowlines between symbols (points) using MapServer

Good day everyone. I need help of the community, and asking for it: There is such a task: to draw a curved line with an arrow at the end between two symbols (points). Questions: What is the best ...
4
votes
1answer
72 views

QGIS Linestring rendering curves between vertex

I'm sure I hit a setting somewhere, but now I can't fix it. When a linestring shp file is rendered in QGIS it adds curves between my verticies... I want straight lines. How do I turn this off? In ...
1
vote
0answers
154 views

Creating curved annotations for polygons and lines in QGIS

In general, my problem is that: I can`t display annotations using the option "Using the perimeter (curved)" in QGIS. I tried to solve it in two ways: At first was an attempt to use just a simple ...
2
votes
1answer
30 views

Curved lines turn to straight lines after sDNA preparation

I am an architect, sometimes I need to use sDNA to analyze networks mapped in AutoCAD. But I met a problem with curved lines, i.e. circle, or polylines. After importing .dwg file into .gdb, and using ...
5
votes
1answer
880 views

How to convert curved features into geojson

I'm using a MapGuide system which provides some CURVEPOLYGON(s). Using python shapely's loads() raises a WKTReadingError. Tried to find a tool that can approximate curved shapes into a polygon (as a ...
1
vote
1answer
366 views

Drawing curved lines in Carto?

I have a dataset that has the following structure: City_Start / Lat_City_Start / Long_City_Start / City_Dest / Lat_City_Dest / Long_City_Dest What I want to do is create a curved line between those ...
5
votes
1answer
1k views

Preserving Curve Geometries in Leaflet

Is there any way to represent a polygon geometry that contains a curve accurately in Leaflet (from WKT)? GeoJSON conversion from WKT is insufficient as it digitizes the points of a curve out to an ...
1
vote
0answers
56 views

Multi segment curves in polygons (SDE) [closed]

I'm looking for a tool, like Curves and Lines that would work on polygon layer. At the moment I'm reshaping them feature by feature. Some notes about the data We use Oracle Enterprise Geodatabase (...
1
vote
0answers
86 views

Measuring length of curved lines for district

I work in a country which is divided in election destricts(polygon shp). I have the roads of the country as a vector layer (vector shp). I want to find a tool for QGIS like sum line lengths of qgis (...
1
vote
0answers
1k views

Creating curved lines between two points in QGIS

I am trying to create curved lines between two point in QGIS. There are a few posts that show how to create these lines (hyperlinks below). However, I am having trouble executing the code in QGIS. ...
2
votes
0answers
381 views

How to properly deal with rectangles being curved on geographies?

I'm using Microsoft SQL Server to store simple data for administrative boundaries of the world (lots of polygons). I store this in a geography data type column. Afterwards I query these polygons by a ...
1
vote
0answers
120 views

how to draw curved line in a qgsmapcanvas

i am working on a project with qt4.8.6, api c++ of qgis 2.8.2 we need to draw curved line in a vectorlayer by given 2 points and an offset by exemple is it possible to do that with the c++ api of ...