nodegraph | NodeGraph - A simple directed graph with visualization UI

by Rezonality C++ Version: Current License: Non-SPDX

X-Ray Key Features Code Snippets Community Discussions(7)Vulnerabilities Install Support

kandi X-RAY | nodegraph Summary

nodegraph is a C++ library typically used in User Interface applications. nodegraph has no bugs, it has no vulnerabilities and it has low support. However nodegraph has a Non-SPDX License. You can download it from GitHub.

[NodeGraph] - A simple Directed Graph, with SVG UI.

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Support

nodegraph has a low active ecosystem.

It has 22 star(s) with 3 fork(s). There are 4 watchers for this library.

It had no major release in the last 6 months.

nodegraph has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of nodegraph is current.

Quality

nodegraph has 0 bugs and 0 code smells.

Security

nodegraph has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

nodegraph code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

nodegraph has a Non-SPDX License.

Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

Reuse

nodegraph releases are not available. You will need to build from source code and install.

Installation instructions are not available. Examples and code snippets are available.

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nodegraph Key Features

No Key Features are available at this moment for nodegraph.

nodegraph Examples and Code Snippets

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Community Discussions

Trending Discussions on nodegraph

How would you find the shortest path from a collection of lists representing train lines?

Setting node bounding box size in OGDF

Tarjan's Algorithm implementation, Low value node issue

WPF Canvas zoom and children position

How can I insert a tree of nodes with namespaces into an existing XML file using Nokogiri?

How to return IDs within a wx.Rect in Wxpython PseudoDC

C# XElement is not getting multiple Values for the same Tag multiple times

QUESTION

How would you find the shortest path from a collection of lists representing train lines?

Asked 2021-Jan-26 at 19:54

So I have four "train lines" represented as lists:

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ANSWER

Answered 2021-Jan-26 at 19:54

I implemented a heuristic and brutal-force algorithm to solve the problem with pure Python functions.

Source https://stackoverflow.com/questions/65906047

QUESTION

Setting node bounding box size in OGDF

Asked 2020-Nov-18 at 12:32

I'm attempting to layout and visualise a code flow graph in Qt using the OGDF library and the Sugiyama layout. The version I'm using is v2020.02, which should be the latest at the time of writing.

My issue: When creating nodes, I set them to various sizes, but after calling the SugiyamaLayout algorithm all node sizes are reset to 20x20 (presumably the default?). If I use another algorithm (such as PlanarizationLayout) instead, the issue disappears and node sizes keep their assigned values. I tried different configurations, such as rankings, crossMins and layouts, but the node size is not affected by those.

Minimal reproducible example:

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ANSWER

Answered 2020-Nov-18 at 12:32

After some more research, the OGDF Mailing List provided me with the answer.

This behavior is indeed caused by a bug in HierarchyLayoutModule.h, where the correct bounding box sizes aren't preserved.

The corresponding Github issue can be found here and will be fixed in the next release. In the meantime, it can be fixed by replacing the HierarchyLayoutModule::call method in \include\ogdf\layered\HierarchyLayoutModule.h with this code snippet:

Source https://stackoverflow.com/questions/64857175

QUESTION

Tarjan's Algorithm implementation, Low value node issue

Asked 2020-Aug-16 at 04:01

I am trying to execute tarjans algorithm on a set of nodes from a graph, I can succesfully find Strongly Connected Components, however the root or the low value node is always off, even for SCC's with only 1 element the root node does not match that element For Example:

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ANSWER

Answered 2020-Aug-16 at 04:01

I was indexing the root node wrong nodes[at] is the proper way to access the root node

Source https://stackoverflow.com/questions/63404896

QUESTION

WPF Canvas zoom and children position

Asked 2020-Jul-03 at 12:55

I'm implementing a zoom behavior on my canvas. The canvas and the ScrollViewer react correctly but the children inside the canvas move weirdly, drifting from their original position. As a result, after a few of zoom in/out operation the children are in completely different position or in some cases even outside the canvas!

https://ibb.co/TwRW40Z https://ibb.co/16JKR5C

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ANSWER

Answered 2020-Jul-03 at 12:52

I think you are getting into trouble because you are moving the objects across the canvas. I doubt if this is desirable. You rather should adjust the ScrollViewer position to keep the objects in position.

The following code encapsulates the zooming into an attached behavior.

To make it work properly you should always set ZoomBehavior.IsEnabled="True" and also bind the parent ScrollViewer to the ZoomBehavior.ScrollViewer attached property. The ZoomBehavior.ZoomFactor is optional and defaults to 0.1:

Usage

Source https://stackoverflow.com/questions/62714559

QUESTION

How can I insert a tree of nodes with namespaces into an existing XML file using Nokogiri?

Asked 2020-Feb-09 at 23:19

I've been using Nokogiri to generate an XML file (specifically, a GraphML document using some yEd namespaces). An example of the type of file I'm generating:

...

ANSWER

Answered 2020-Feb-06 at 18:05

A nifty little tick if you want to create a builder instance scoped to a namespace is to use Nokogiri::XML::Builder.with(doc.root):

Source https://stackoverflow.com/questions/60087924

QUESTION

How to return IDs within a wx.Rect in Wxpython PseudoDC

Asked 2020-Feb-04 at 21:30

I am making a "Box Select" tool for a program I am developing in Wxpython. I am using the PseudoDC class for the drawing.

The user should able to draw a box to select drawn node objects on the nodegraph by their ID, but I am unable to figure out a good way to get the IDs that are within the Box selection.

So far, I have come up with the following:

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ANSWER

Answered 2020-Feb-04 at 21:30

I figured it out by looking through the documentation on wx.Rect, so I thought I would post it here.

Using wx.Rect.Intersects it checks if the bboxrect intersects with each node's rect and returns them:

Source https://stackoverflow.com/questions/59923219

QUESTION

C# XElement is not getting multiple Values for the same Tag multiple times

Asked 2020-Jan-14 at 10:14

I have this .graphml :

...

ANSWER

Answered 2020-Jan-14 at 10:14

You explicitly select the first occurrence of the node: FirstOrDefault()
You have to select the nodes in a loop:

Source https://stackoverflow.com/questions/59719604

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install nodegraph

You can download it from GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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