Questions tagged [rectangle]
a flat geometric shape with four right (90°) angles and four sides, where a pair of opposite sides have equal length
27
questions
0
votes
0
answers
67
views
Getting aspect-ratio of shapely rectangle
This snippet calculates an aspect ratio of a rectangle not constrained to be parallel to the coordinate axes:
from shapely import *
rect = oriented_envelope(LineString([(1, 1), (5, 1), (10, 10)]))
p0 ...
- 103
1
vote
1
answer
133
views
Finding rectangular polygons in a multipolygon
I'm trying to do some analysis that requires finding rectangular gardens of a certain size. At present, I only have access to a data set of property extents with buildings punched out with the ...
- 740
4
votes
2
answers
419
views
QGIS: Create rectangular grid from point grid
I would like to create a grid of rectangles from this grid of points using QGIS 3.16:
I want the rectangles to be 8km by 8km in size. My points are 8km apart. I tried using the Rectangles, ovals, ...
- 665
1
vote
1
answer
147
views
QGIS 3.28.3 Custom Print layout: Problems with changing rectangle sizes
I'm part of a GeoOffice and we want to create a custom print layout for the finished maps. This custom print layout should include a "stamp" in the lower right corner with all the needed ...
- 11
0
votes
0
answers
35
views
Reproject raster from rectilinear LCC to rectilinear GK
I have many climate raster (netcdf) in a rectilinear grid in LCC projection (EPSG 3034) and I want to reproject it with python to a local Gauß Kryger projection (31467).
Reprojecting every raster ...
- 95
5
votes
1
answer
759
views
Create biggest possible rectangular polygon from grids in QGIS
I am working in QGIS (Modeler with some Python scripting) and I have troubles performing the following task:
I have the following grid:
I have to create the biggest possible rectangle polygon out of ...
- 63
1
vote
1
answer
164
views
How many vertices does a SDE.ST_GEOMETRY rectangle have?
SDE.ST_GEOMETRY; Oracle 18c; 10.7.1 EGDB
How many vertices does a SDE.ST_GEOMETRY rectangle have?
(Drawn using the rectangle construction tool in the Create Features pane in ArcMap 10.7.1.)
The ...
- 1,222
0
votes
0
answers
81
views
Construct ST_GEOMETRY rectangle from two vertices: lower-left and upper-right
Oracle 18c SDE.ST_GEOMETRY 10.7.1 EGDB:
I have two vertices of a rectangle:
Lower-left: 10,10
Upper-right: 100,100
I want to construct a rectangle polygon from those two vertices using ST_GEOMETRY ...
- 1,222
1
vote
0
answers
184
views
Draw polygon with specific dimensions [closed]
I'm a beginner with QGIS, and I'm trying to draw a polygon that is 10m x 10m with 90 degree angles placed along a line, and centred around a point on that line.
I don't know what projection to use (I'...
3
votes
0
answers
104
views
Finding features with equal distance for houses in archaeological data using QGIS [closed]
My goal is to find house sketches in archaeological data.
I have a shapefile from an excavation where all the archaeological features, mainly pits are measured as polygons. The polygons have different ...
- 47
7
votes
2
answers
1k
views
Resizing rectangle by dragging one side and retaining all right angles using QGIS
I cannot resize a rectangle polygon feature in QGIS in a way that retains right angles on all the vertices.
There does seem to be an “intent” for this capability to exist via the “snap to common angle”...
1
vote
2
answers
2k
views
Making a rectangular vector shapefile that is a perfect square in QGIS
I'm having trouble making a square vector shapefile, using "Make Rectangle from Extent" (or anything really).
I've googled for hours, regrettably the older plugins aren't compatible and of ...
- 13
23
votes
2
answers
5k
views
Generating rectangle centered by point in QGIS
I have a layer which contains points. The layer has "height" and "width" attributes.
I need rectangles around those points, but a point should be in the center of the related ...
- 1,057
1
vote
1
answer
1k
views
How to draw rectangle from the ReactBounds using OpenLayers
I am looking for an solution where I can draw the rectangle with the reactbonds I have found the solution one but its a legacy version of the OL. I have react bonds as
["-1535320.98225989", ...
- 283
6
votes
2
answers
3k
views
Fitting rectangle with maximum area inside polygon in PostGIS
I am looking to fit a rectangle inside a polygon which would have the maximum area for the rectangle.
I tried using ST_OrientedEnvelope(geom) but this would give the rectangle fitted outside the ...
- 638
2
votes
1
answer
655
views
Determining rotation of rectangle features for Data Driven Pages in ArcGIS Desktop?
I am trying to generate a large number of plans using the Data Driven Pages in ArcGIS Desktop.
I have created an index layer comprising a series of rectangle features that correspond to set scales ...
- 1,357
0
votes
0
answers
51
views
Creating a Construction Tools Rectangle Template
I am working on a project that requires me to place hundreds of 20x20 ft squares as polygons in a feature class. Right now I am manually making them by entering height and width values. I am wondering ...
-1
votes
1
answer
329
views
Shape Digitizing toolbar in QGIS 2.10.1 [duplicate]
How to draw rectangle with Shape Digitizing toolbar in QGIS 2.10.1?
- 9
3
votes
0
answers
349
views
Generating defined rectangles (size, position) as a new shapefile layer in distance to specific points from another shapefile layer in QGIS
I'm familiar with the basics of QGIS, but now I'm confronted with a difficult task.
I want to create a new shapefile (as a layer) which contains defined rectangles (size, position) from another layer ...
- 101
5
votes
1
answer
111
views
Select all polygons (i.e. properties) that can fit a given rectangle
How can i identify all polygons that are large enough to contain a given rectangle? (Tabular area is not sufficient as i want to exclude polygons that are long and skinny.)
What i want to do is ...
- 51
8
votes
1
answer
3k
views
Create rectangle by entering width & height numerically in QGIS?
I need a quick way to create rectangles with set with & height in meters. Is there a straightforward way to do this? I am well aware that there are a number of ways to achieve this, but all that I ...
- 163
0
votes
1
answer
420
views
Leaflet rectangle interaction
I 've built a map that can "listen" to the bounds of the whole map window, through leaflet's method:
getBounds()
What I would like, is the user to choose a more specific area with a rectangle.
The ...
- 183
1
vote
0
answers
74
views
How to move node position keeping right angles?
I made a polygon with perpendicular segments using CAD Tools. I saw that, even if the segments of this polygon are perpendicular, the four points has different values in terms of x, y. I think that`s ...
- 77
3
votes
1
answer
4k
views
How to find the minimum perimeter oriented bounding box?
I would like to know an algorithm to calculate the minimum perimeter oriented bounding box of a point set or polygon. I know that if I use the rotating calipers, I am able to get the minimum area ...
- 163
1
vote
0
answers
68
views
Make rectangles from agricultural field sizes (ArcGIS 10)
I got a task to do as research assistant of which im not sure how to do..
I have a layer with field polygons of agricultural fields (pretty large scale).
I want to create rectangles for each field ...
- 39
3
votes
1
answer
820
views
QGIS modify rectangular shaped polygons
Within QGIS is there a simple way to modify the shape of a rectangular polygon by simply parallel translating one of the edges (a -> a') like shown below.
I've been looking at the CADDigitize ...
- 14.8k
59
votes
9
answers
84k
views
Сreating polygons with straight lines and right angles in QGIS
When creating a polygon, how do I do it so that the lines are straight (90, 0 degrees, etc.) and when I create corners they can be right angles?
For instance, how do I create a perfect square or ...
- 3,195