From 396a7720d1f222ddc3bf53369d657f93eba6aeec Mon Sep 17 00:00:00 2001
From: Xiaojie Qiu <xqiu@uw.edu>
Date: Thu, 6 Jan 2022 17:19:38 -0500
Subject: [PATCH] minor updates

---
 docs/requirements.txt        |  2 +-
 docs/source/API.rst          | 17 ++++++++++-------
 dynamo/plot/scVectorField.py | 15 +++++++--------
 pyproject.toml               |  2 +-
 4 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/docs/requirements.txt b/docs/requirements.txt
index fb36536ef..65f470887 100755
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -8,7 +8,7 @@ ipykernel>=5.1.0
 nbsphinx>=0.8.6
 pygments>=2.6.1
 
-numpy>=1.18.1
+numpy>=1.20.0
 pandas>=0.25.1
 scipy>=1.0
 scikit-learn>=0.19.1
diff --git a/docs/source/API.rst b/docs/source/API.rst
index 6ad71a446..053c8b3e7 100755
--- a/docs/source/API.rst
+++ b/docs/source/API.rst
@@ -241,21 +241,24 @@ Vector field (vf)
    vf.diffusionMatrix
 
 
-*Vector field graph*
-
-.. autosummary::
-    :toctree: _autosummary
-
-   vf.vfGraph
-
 Prediction (pd)
 ~~~~~~~~~~~~~~~
 
 .. autosummary::
    :toctree: _autosummary
 
+
+*Vector field lineage fate*
+
    pd.fate
    pd.fate_bias
+
+
+*Vector field state graph*
+
+.. autosummary::
+    :toctree: _autosummary
+
    pd.state_graph
 
 Plotting (pl)
diff --git a/dynamo/plot/scVectorField.py b/dynamo/plot/scVectorField.py
index 7b5504242..b992b43ee 100755
--- a/dynamo/plot/scVectorField.py
+++ b/dynamo/plot/scVectorField.py
@@ -69,9 +69,9 @@ def cell_wise_vectors_3d(
     save_kwargs: dict = {},
     quiver_3d_kwargs: dict = {
         "zorder": 3,
-        "length": 2,
-        "linewidth": 5,
-        "arrow_length_ratio": 5,
+        "length": 10,
+        "linewidth": 1,
+        "arrow_length_ratio": 0.3,
         "norm": cm.colors.Normalize(),
         "cmap": cm.PRGn,
     },
@@ -292,7 +292,7 @@ def add_axis_label(ax, labels):
     elif save_show_or_return == "show":
         plt.show()
     elif save_show_or_return == "return":
-        return axes
+        return axes, (x0, x1, x2, v0, v1, v2)
 
 
 def grid_vectors_3d():
@@ -1687,10 +1687,9 @@ def streamplot_2d(ax):
         set_arrow_alpha(ax, streamline_alpha)
         set_stream_line_alpha(s, streamline_alpha)
 
-    if type(axes_list) == list:
-        for i in range(len(axes_list)):
-            ax = axes_list[i]
-            streamplot_2d(ax)
+    for i in range(len(axes_list)):
+        ax = axes_list[i]
+        streamplot_2d(ax)
 
     if save_show_or_return == "save":
         s_kwargs = {
diff --git a/pyproject.toml b/pyproject.toml
index 2cd4da51d..9fd09668a 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ keywords = 'dynamo scslam-seq scrna-seq velocity rna protein vector-field potent
 license = 'BSD'
 module = 'dynamo'
 requires = [
-  'numpy>=1.18.1',
+  'numpy>=1.20.0',
   'pandas>=0.25.1',
   'scipy>=1.0',
   'scikit-learn>=0.19.1',