graphml | GraphML is an XML-based file format for graphs
kandi X-RAY | graphml Summary
kandi X-RAY | graphml Summary
GraphML is an XML-based file format for graphs. Note: This project is in early beta stage! Feel free to report any issues you encounter.
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Top functions reviewed by kandi - BETA
- Parse the configuration XML into a Graph object .
- get the output of a graph
- Loads the attributes of an element .
- Cast a value to an attribute .
- Load XML from string .
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graphml Examples and Code Snippets
Community Discussions
Trending Discussions on graphml
QUESTION
I am trying to use OMPTrace
which is a tool for tracing and visualizing OpenMP
program execution as shown here https://github.com/passlab/omptrace. The codes given in the examples is written in C
. (jacobi.c
and axpy.c
)
The library is well installed in /home/hakim/llvm-openmp/BUILD/omptrace/build/libomptrace.so
. I created a makefile
as following:
ANSWER
Answered 2021-Jun-07 at 19:33- You need to locate the libomp.a
- Add the path where libomp.a lives to the
ld
command line parameters-Lpath
- enjoy
QUESTION
In the boost graph library, there are two popular functions to read in graphs from a file:
boost::read_graphviz()
, and boost::read_graphml()
, for the GraphViz and the GraphML format, respectively.
Now both read generically to any type of boost::adjacency_list<...>
, as they are models of the Mutable Graph concept:
ANSWER
Answered 2021-Apr-07 at 02:04copy_graph
What I don't understand is, that for copying, the (copy target) graph apparently also has to be a Mutable Graph, so how can we then copy to an adjacency matrix? And not read into one?
I agree. That doesn't make sense. For all it appears the copy_graph
should not work or the documented concept requirement is out-of-date.
Perhaps it was always over-constrained, or specializations have been added specifically for adjacency_matrix
.
A cursory glance tells that it might have been over-constrained since clearly no specializations/overloads exist for adjacency_matrix.
Before we test, let's look at the assertion.
Regarding the AssertionThe assert stems here:
QUESTION
I have a multidimensional graph G
and a list best_path
calculated using the method nx.shortest_path
.
Thanks to this stackexchange post, I am exporting the x and y coordinates of my route in a simple ascii file using json.dumps
:
ANSWER
Answered 2021-Apr-07 at 18:02My suggestion would be to create the induced subgraph of your path, i.e.,
QUESTION
ANSWER
Answered 2021-Apr-07 at 13:46With BGL the real question is "how to do anything not-generically" :)
So, you can do precisely as boost does. All the algorithms take property-maps which abstract away the relation between graph elements and their properties.
Often this will be about temporary properties specific to the algorithm, but there's nothing that prevents you from using it in more places.
The best thing is, you already have the property map, and it's precisely the variable part:get(&EdgeBundle_1::weight, g)
, so instead just take that as a parameter:
QUESTION
I am using the Boost graph to store a set of nodes and edges and then write it to a graphml format. Whatever I do, I cannot find a way to access or set the node id (n0, n1) or edge id (e0) attributes. It seems to be automatically set.
Is there a way to access and set it manually ?
...ANSWER
Answered 2021-Mar-16 at 21:47write_graphml
takes a dynamic_properties
. Let's configure that:
QUESTION
Given two DataFrames, one for Nodes and another for Edges. How can I get those into a networkx graph including the attribute columns I have?
Example:
df_nodes
ID Label Attribute_W Attribute_X 0 0 Japan Asia 81 1 1 Mexico America 52 2 2 Ireland Europe 353df_Edges
Target Source Attribute_Y Attribute_Z 0 0 1 10 1 1 0 2 15 2 2 1 2 20 3I tried with G = nx.from_pandas_edgelist but it returns an attribute error. And I'm not sure of how to add the attributes in the construction of the graph.
I'm looking to output a graphml file nx.write_graphml(G, "My_File.graphml")
Thanks.
...ANSWER
Answered 2021-Mar-07 at 03:24I too do not see any way how to include node attributes via from_pandas_edgelist. However, you can achieve what you want just using nx.add_edges_from and nx.add_nodes_from in a few lines of code.
QUESTION
I am using Janusgraph in a remote server to which I connect with a python remote client via
...ANSWER
Answered 2021-Feb-22 at 10:20I'm afraid that you can only do such a thing with a script based request at this point. You would basically send a script that writes the graph to a string of GraphML and return that as your result. This approach will only work if your server supports Groovy-based scripts. You would send a script with this structure (in your case you will of course use the graph
you've defined on the server):
QUESTION
I'm using the python package networkx
and have a MultiDigraph
which I want to save it in graphml format to use it in another software for my further analysis. I have sone nodes and edges attributes also.
I used the bellow command but it didn't work. It seems this command doesn't work for MultiDigraph
.
ANSWER
Answered 2021-Feb-16 at 16:53QUESTION
I have a MultiDiGraph in networkx and I am thinking about exporting it to neo4j. I have already a property for the nodes called ntype and a property for the edges called dtype which fits with the label concept for nodes and edges for neo4j graphs.
Which elements from networkx might become labels at neo4j? How can it be managed?
I add an example of the graph at python and the graph I would like to get when exporting to neo4j.
Here is the code at python
...ANSWER
Answered 2021-Feb-01 at 20:40I made some reserch and finally I have got a process to be able to export a networkx graph into a neo4j graph managing the labels. Some details have to be considered:
1.- When creating the nodes: the property to become a label at neo4j must be named as labels (notice that it is in plural, do not ask why, it works). Its value must be a string starting with ':'
QUESTION
JanusGraph is running on localhost:8182 in a Docker container
I'm running gremlin console in a Docker container that's linked to the Janusgraph Docker container
I can run successful traversals against the imported air-routes.graphml data
I am building a Node.js/Express app that looks like this:
...ANSWER
Answered 2020-Nov-16 at 11:55I think you need to "iterate your traversal" thus:
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