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Questions tagged [perpendicular]

In elementary geometry, the property of being perpendicular (perpendicularity) is the relationship between two lines which meet at a right angle (90 degrees).

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Creating tangential lines at points along shoreline in QGIS

I want to create tangential lines for each point along a shoreline in QGIS, such as the dashed line I've hand-drawn. These points are not randomly spaced, they each represent the angle at which each ...
Aubree's user avatar
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1 vote
0 answers
83 views

Extract central part of automatically created perpendicular lines in QGIS

I have a set of lines (roadways) on layer A and a set of (mainly) parallel lines (sidewalks) on layer B. I want to create perpendicular lines at a given distance that extend from the layer A center ...
winnewoerp's user avatar
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4 votes
2 answers
258 views

Creating perpendicular line between two points inside polygon using PyQGIS

I'm looking for a solution in PyQGIS to create a cut line at the midpoint of another line that connects two points within a polygon. The objective is to cut the polygon into two parts. In fact, this ...
geofausto's user avatar
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2 votes
1 answer
277 views

Making perpendicular lines to existing line features in ArcPy with ArcGIS Pro

I have reviewed and tried multiple different answers to similar questions but have not got the results expected. I have a layer with 4425 polyline features and want to make a perpendicular line ...
Josh's user avatar
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0 votes
0 answers
30 views

Creating line that passes a point

I am going to draw a polygon around each crosswalk in a city. The problem is that I have a point in the middle of each crosswalk but I need to have a line so that I can make a buffer around it to ...
Davoud Omarzadeh's user avatar
0 votes
1 answer
246 views

Draw line perpendicular to other line in ArcGIS Pro core host application

I am trying to draw a line perpendicular to a line segment in an ArcGIS Pro core host application. There used to be a construct point in the ArcMap SDK but it is not there any more. This is being ...
jettmann's user avatar
16 votes
4 answers
15k views

Creating perpendicular lines on line using QGIS

In QGIS I want to create perpendicular Lines on another Line (River). The Lines should be created on points on the Line and should have a length of 40 Meters. I want to create the red lines in the ...
KartenLappen's user avatar
2 votes
3 answers
3k views

Creating perpendicular lines along stream at points

Using ArcPy, I'm trying to figure out how to draw perpendicular lines along my Streams feature class. I have a set of points, that are snapped to my stream centerline. I've seen the "Generate ...
tigerwoulds's user avatar
2 votes
1 answer
553 views

Creating perpendicular line from point to nearest line

I have a layer containing lanterns (point layer, yellow blocks) and a layer containing hectometer signs (point layer, blue dots). In order to find the closest perpendicular distance from a lantern to ...
NVaissier's user avatar
2 votes
0 answers
62 views

Moving field from source feature to new feature

I am attempting to build a layer of perpendicular line segments from a point on a line to a line, but in the process, I would like to bring over the field data from the point layer. I have a field in ...
Jim Garner's user avatar
1 vote
1 answer
119 views

Measuring length from one polyline vertex to other polyline

I have two polyline which represent the river bank of a particular section of a river drawn based on Satellite imagery at 1984 and 2019. As you can see in the picture, it is drawn in red line with ...
Abdul Aziz's user avatar
3 votes
1 answer
304 views

Copying set of points perpendicular along polyline

I have a polyline which represents the middle of a river. Perpendicular to this polyline there is a layer with a set of points. These points all have an "X" and "Y" coordinates as well as a height ...
Taj's user avatar
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6 votes
4 answers
2k views

Creating perpendicular line transects in PostGIS

I have a river network (Line with arrow as shown in image below) and I need to create perpendicular lines to the river at every 15 meters as you walk along it (see image below). Is there a function in ...
user1655130's user avatar
1 vote
0 answers
107 views

Analyzing single Polygon or Polyline that overlaps itself using ArcObjects?

My current process is to determine obstructions in an area and determine properties of those obstructions as they relate to a centre polyline. Per the image below I take a polyline which denotes a ...
sinDizzy's user avatar
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1 vote
0 answers
158 views

Calculating perpendicular line in ArcPy only works for shapefiles?

I'm trying to use this field calculator expression on field Shape to generate a perpendicular line, of 0.01m, at the midpoint of each existing line feature in ArcGIS: CALCULATE FIELD (data management)...
Adri's user avatar
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1 vote
1 answer
537 views

Create a orthogonal lines [duplicate]

I have a shapefile of lines and I would like to know an Arcmap tool to create a new shapefile with orthogonal lines from the midpoint of that existing line shapes. I know that it is possible to do it ...
Ariadna's user avatar
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2 votes
1 answer
2k views

Draw shortest line between a point and a line

I am trying to draw a line between a thousands of points and a line using QGIS. I then want to carry out some calculations on the new lines to see which polygons they intersect in a different layer. ...
nashm999's user avatar
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2 votes
0 answers
231 views

Shortest path creation between two lines

I've a raster of temperature of a river, I'd like to extract values horizontally, so from bank to bank, shortest path. so basically extract pixel values along the red lines in the schema I did. What ...
Vectorito's user avatar
  • 141
3 votes
0 answers
719 views

Create a perpendicular line of points to another line

i have two problems over here. QGIS 1- I need to create a perpendicular line to connect multiple points to multiple lines but these lines have to follow a sequence of column. 2- And these ...
Frederico's user avatar
13 votes
2 answers
6k views

Automated creation of perpendicular lines between a point layer and a line layer

I am using QGIS and I am looking for a script, or a plugin, that can create a large number of perpendicular lines from a point layer to lines in a separate line layer. So far, I've tried to use the ...
Monody's user avatar
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3 votes
1 answer
1k views

Generating line offset, perpendicular using PostGIS?

I'm trying to generate two line offsets from a line but I'm having problems generating them as they should be. Using PostGIS select st_asgeojson(st_union(the_geom)) from ( select ST_Line_Substring(...
ColdFox's user avatar
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3 votes
1 answer
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Draw a perpendicular line between point and line layer

I have to iterate over a point and line layer to draw the perpendicular line from each point to the nearest line. The QGIS geoalgorithm "DISTANCE TO NEAREST HUB" isn't helpful because the nearest hub ...
NewbieInQGIS's user avatar
4 votes
1 answer
2k views

Is there a shortcut to create only right angles while editing?

While digitizing in ArcGIS Pro, I am wondering if there is a way while creating segments to allow only right angles. I understand that this can be done manually by entering direction, deflection, or ...
Adam Kara's user avatar
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3 votes
3 answers
4k views

Rotate symbols perpendicular to line angle (ArcGIS)

I have lines representing curving streams (blue line in the Picture) and want to angle symbols perpendicular to the angle in their particular Locations (point features symbolized as red lines in the ...
user3476078's user avatar
4 votes
1 answer
1k views

Algorithm to draw a perpendicular line on Google earth (KML)

I have two points say A (lat,lon ) and B(lat,lon) and I want to draw a perpendicular bisector line to AB such that any point (C) on the perpendicular line satisfies AC=BC. All I want is a function ...
2sb's user avatar
  • 141
6 votes
1 answer
1k views

Calculate distance from all points to all lines within 10km using FME?

I have a polyline shapefile and a point shapefile. The points are along the polylines. There are over 100 lines and over 10,000 points. I want to calculate the perpendicular distance from every ...
Fezter's user avatar
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1 vote
1 answer
2k views

Offsetting points perpendicular to line using ArcMap

I'm trying to create offsetting points perpendicular from a line and have run into a roadblock in ArcMap 10.1. I have the ability to use the ET GeoWizards tool 'Points Along Polylines' but the tool ...
Afidus's user avatar
  • 83
34 votes
1 answer
10k views

Drawing perpendicular lines in PyQGIS

I have a situation like this: What I need to do is to connect each point to every line that is at most, let's say 200 m, away from the point. In other words, I need to draw a perpendicular line from ...
PeterBorook's user avatar
4 votes
2 answers
8k views

Offseting point perpendicular to line direction in PostGIS

I have a PostGIS table of points, that are sitting on road centerlines (I've linear referenced them). And the second table with road centerlines themselves. The point table also has a field roadid and ...
nextstopsun's user avatar
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