# Questions tagged [geometry]

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### Spring geospatial library

I am developing a project in spring. Is there a library for working with geospatial data (with geometry and geography), if I need to check the intersections of geometries, the occurrence of one ...
64 views

### Easily arrange touching spheres in 3d

Background I want to spatially model systems of atoms. Atoms have the shape of a sphere and the diameter for all spheres is the same. Spheres cannot deform, they tend to touch each other but overlaps ...
6 views

### lsystem exporter?

I am looking for a program that can make 3D lindermeyer systems and export them into a common format like e.g. obj or gltf. I don't want a full plant simulator but rather just a simple graph, no 3D ...
1 vote
57 views

### Create hundreds of complex geometric shapes with cubes, triangles and tetrahedra

I'm going to investigate the marching cubes algorithm. For that, I have to draw and keep track of 256 - actually 128 due to symmetry - geometric configurations like below. I should be able to assign ...
95 views

### Software for algebraic computation with geometric objects?

Recently I started to get interested in the a certain kind of geometry, where a body is described based on a set of functions, which are based on irrational numbers. For example consider this cuboid: ...
1 vote
68 views

### Simple-to-use visualization of 3D object intersections

I want to visualize the intersection of some 3D objects: cubes, boxes, cylinders, parallelpiped etc., and in particular - show the intersecting faces from the perspective of some viewer/camera, ...
1 vote
11 views

### Libraries for C++, JavaScript and Python capable of topocentric, geographic, and geocentric transforms

I'm looking for either a library suite that replicates capabilities across platforms (C++, JavaScript, Python) that can do Topocentric transforms (to/from East North Up/ENU) Geographic transforms (to/...
1 vote
51 views

### Geometry software that calculates algebraic formulas

I am looking for an open source program where I can draw lines, designate parallel constraints, define distances, etc. and then at the end, I can ask "what is this area [between 4 points] in ...
22 views

### Free program to create 3d transparent geometric figures inside another 3d transparent geometric figures and rotate it

I need to draw a 3d cylinder inside another 3d cylinder, and then rotate it to get different perspectives.
116 views

### A free geometry drawing program for commercial use

I'm working as a private teacher. Sometimes I need to draw some geometric figures. Is there any free program to do that? I found from the Internet that Geogebra looks good but unfortunately I'm not ...
1 vote
152 views

### Annotation software for multi camera setup

Background I have multiple, synchronized cameras with partial overlapping views. I already have object tracking applied to the objects in the videos I get from these cameras. Now I want to have a ...
1 vote
26 views

### Java library to calculate distances and angles from latitudes/longitudes on a sphere

I am looking for a java library to calculate with and transform locations (lat, lon). Operations I want to perform on the sphere: given two locations x, y I want to know the distance from x to y ...
31 views

### Geometry software

I am looking for an appropriate open source software that would allow me to design/generate geometrical patterns (2d and 3d), tilings, fractals and similar. Any recommendation would be highly ...
29 views

### What game engine should I use for a game in non-euclidean space?

I am interested in making a game in elliptical space. Basically that means that when you're standing still in this game and look around, you will see a regular three dimensional space. Then when you ...
105 views

### Dimension-driven graphics software

I'm looking for something analogous to the sketch feature in SolidWorks, but for creation of graphics. For those who haven't used SolidWorks, here's a video of a sketch being made. Essentially, I ...
57 views

### Geometry and position layer over an image

Good day everybody. I have a scaled picture of my garden, I have some points in my garden measured by surveyors. I am looking for calibratable, geometry-measurement, click-position showing software ...
51 views

### Delaunay Triangulation or EMST function

I am looking for stand-alone code to build the Delaunay triangulation of a set of 2D points. (No constraint, Euclidean metric.) In fact I need it to build a Euclidean Minimum Spanning Tree, so that a ...
1 vote
681 views

### Paving / Advancing Front Quad Mesh Algorithm Implementation in C# Code or Unity Importable Library

I'm developing a game in Unity, and have hit a snag with a step I wasn't expecting given the amount of research done on the topic. I'm in need of a block of code or a library that performs the ...
1 vote
1k views

### Is there a Python package to do constrained Delaunay triangulation?

I have a function whose range is a non-convex, simply connected region in R3. When I sample the function I know if the resulting point is on the surface of the region or not. I'd like to triangulate ...
136 views

### Free program for geometric adjustment (trilateration, least square method)

I am looking for a free application in order to calculate optimal coordinates of points, given a fixed set of points and the mutual distance between them. The system is over-constrained hence spatial ...
1 vote
40 views

### Software for importing lat,lon and displaying Mercator projection

Are there any software [Ideally free] out there which I can import latitudes and longitudes of areas and it displays the Mercator projection of those points? To make the task even easier I must say I ...
1 vote
53 views

### Surface 3D modelling with meshing

I'm looking for a software (or lib with python bindings) to generate quality tet/quad mesh in an easy to use toolchain, for input in a FEM solver. The operating system is Windows. The capabilities ...
625 views

### Software for visualization of geometric problems

I'm looking for software which can help me to visualize 2d and 3d objects in space with additional elements like in examples below. Also I'd like to rotate 3d figures to be able to look from another ...
3k views

### Looking for a Geometry Manipulation library

We have a legacy program that does some polygon clipping - unions, difference, intersection, exclusive or of polygons and multipolygons. It uses the University of Manchester's GPC - General Polygon ...
752 views

### Polyhedron visualisation

Is there a software that can create a 3D visualization of a polyhedron, based on inequations that define its delimiting planes, of the form A_1 x < b_1 A_2 x < b_2 A_3 x < b_3 Here an ...
1 vote