Questions tagged [pydot]

pydot is a Python module to serve as an easy interface to Graphviz's dot language.

For more information, check:

202 questions
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Pydot 'dot not found in path'

I have checked the other questions on this problem, but my issue is a bit different. I'm trying to plot a tree from random forest model using pydot. The module is correctly installed and there are no issues importing it, but when it comes to…
NotAName
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1 answer

Changing the color of specific nodes using graphviz after generating source

I have a python dataframe that I would like to visualize in graphviz. Everything works fine except that I would like to change the color of the nodes after plotting the network. The dataframe looks something like this: Sender Receiver Amount …
Pleastry
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3
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2 answers

Finding starts, ends, and loops with pydot

Is there a way to achieve this in pydot? Take the following example: [Outputted Dot File] strict graph g{ "A" -> "B"; "B" -> "C"; "C" -> "D"; "D" -> "E"; } [Python] print(num.start) >>> A print(num.steps) >>>…
user428370
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0 answers

InvocationException: Program terminated with status: 3221225477

I'm trying to visualize a decision tree using pydotplus. Below is the code snippet. if image_file_name is not None: dot_data = export_graphviz(decision_tree_model, feature_names=features,out_file=None,filled=True,rounded=True) graph =…
Vijay Sai
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0 answers

How to run Kera's plot_model in a Google Colaboratory session?

The following setup commands seem to be working (the notebook is configured to run Python 3): !pip3 install pydotplus !pip3 install pydot !apt-get -qq install -y graphviz && pip3 install -q pydot !pip3 install pydot-ng !pip3 install…
0x90
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1 answer

AttributeError: 'list' object has no attribute 'create_png'

This classifies the data as a decision tree. The decision tree is created but I am not able to view the decision tree. import numpy as np from sklearn import linear_model, datasets, tree import matplotlib.pyplot as plt iris =…
Anurag A S
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Formatting multiple subgraphs - pydot

I am new to pydot which I would use to create a graph. I would like to format the nodes so as to have blocks of nodes in the same line. I accomplished that using subgraphs, and settings the rank to be the same. import pydot # define a graph graph =…
famargar
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1 answer

"class_names" in export_graphviz unexpected keyword error

With the following code: classes = ['ham', 'spam'] dot_data = StringIO() with open("./plots/ritesh.dot", "w") as f: export_graphviz(dt_old.named_steps['classifier'], out_file=f, feature_names=vocab1, class_names=classes) I am getting error as…
Zangetsu
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1 answer

Pydot not playing well with line breaks?

Off the bat - Ubuntu 12.04, python 2.7, using pydot 1.0.2 I'm trying to get pydot to print a tree to a .png. I'm making my nodes like so: subnode = pydot.Node(fullstr, label = c + "\n" + n) graph.add_node(subnode) Here, c and n and fullstr are…
user650261
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1 answer

Why won't pip install the current version of a package?

I can't get pip to install the current version of pydot (1.0.28). Though yolk and PyPi both report this version as the available, current one, pip -U pydot gives me Requirement already up-to-date: pydot in…
orome
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2 answers

Python graphviz - pydot.Dot.write_png doesn't work on Windows

I am using Python to create a graph via pydot.Dot. When I want to write the graph to PNG, I use pydot.Dot.write_png(...). Unfortunately, it fails at the stage of finding graphviz (in a function called find_graphviz). I tried installing it as a…
yoki
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1 answer

Getting coordinate / shape data from pydot for layout in PyQt4

I would like to use the QGraphicsView control and QGraphicsScene to layout GraphViz generated graphs using pydot. Is there a way to generate the graph in pydot, have GraphViz do the layout, and then extract the layout information (such as is…
xfrost11
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2 answers

Using django-extensions to generate a model graph in PNG format using Windows 10 (without using Conda or Anaconda)

I am using django-extensions to generate a model graph for my Django application. My installation steps are the following: $ pip install django-extensions $ pip install pyparsing pydot An installation of pygraphviz fails (as described) due to…
Cord Kaldemeyer
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1 answer

Problem with drawing Networkx node and edge labels with Pydot. It just doesn't show

I've met a problem with drawing Networkx node and edge labels, if anyone knows how to fix this please show me how. I'm building a converter which converts a Pandas dataframe to a graph with NetworkX and Pydot. This is my dataframe looks…
Ellomorce
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Why is plot_model raising an assertion error for displaying this neural network?

I was just testing keras neural networks, and I wanted to visualize my neural network. I followed a code example from a website, however the code raises and AssertionError -9. Here's the code. from keras.models import Sequential from keras.layers…
Splitwire Z
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