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Close opened plots to save memory and stop matplotlib from complaining #135

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Close opened plots to save memory and stop matplotlib from complaining #135

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9 changes: 9 additions & 0 deletions nodes/nodes_graphics_matplot.py
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Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,7 @@ def halftone(self, width, height, dot_style, reverse_dot_style, dot_frequency, b

img_buf = io.BytesIO()
plt.savefig(img_buf, format='png')
plt.close()
img = Image.open(img_buf)

image_out = pil2tensor(img.convert("RGB"))
Expand Down Expand Up @@ -253,6 +254,7 @@ def draw(self, mode, width, height, color_1, color_2,

img_buf = io.BytesIO()
plt.savefig(img_buf, format='png')
plt.close()
img = Image.open(img_buf)

image_out = pil2tensor(img.convert("RGB"))
Expand Down Expand Up @@ -323,6 +325,7 @@ def draw(self, mode, width, height, bar_style, orientation, bar_frequency):

img_buf = io.BytesIO()
plt.savefig(img_buf, format='png')
plt.close()
img = Image.open(img_buf)

image_out = pil2tensor(img.convert("RGB"))
Expand Down Expand Up @@ -420,6 +423,7 @@ def get_gradient_value(pos, length, linear_transition, gradient_distance): #gett

img_buf = io.BytesIO()
plt.savefig(img_buf, format='png')
plt.close()
img = Image.open(img_buf)

image_out = pil2tensor(img.convert("RGB"))
Expand Down Expand Up @@ -494,6 +498,7 @@ def draw(self, width, height, start_color, end_color,

img_buf = io.BytesIO()
plt.savefig(img_buf, format='png')
plt.close()
img = Image.open(img_buf)

image_out = pil2tensor(img.convert("RGB"))
Expand Down Expand Up @@ -574,6 +579,7 @@ def draw(self, mode, width, height, color_1, color_2,

img_buf = io.BytesIO()
plt.savefig(img_buf, format='png')
plt.close()
img = Image.open(img_buf)

image_out = pil2tensor(img.convert("RGB"))
Expand Down Expand Up @@ -661,6 +667,7 @@ def draw(self, mode, width, height, rows, columns,

img_buf = io.BytesIO()
plt.savefig(img_buf, format='png')
plt.close()
img = Image.open(img_buf)

image_out = pil2tensor(img.convert("RGB"))
Expand Down Expand Up @@ -743,6 +750,7 @@ def draw(self, width, height, num_lines, line_length, line_width, line_color, ba

img_buf = io.BytesIO()
plt.savefig(img_buf, format='png')
plt.close()
img = Image.open(img_buf)

image_out = pil2tensor(img.convert("RGB"))
Expand Down Expand Up @@ -838,6 +846,7 @@ def draw(self, width, height, num_triangles, color_1, color_2,

img_buf = io.BytesIO()
plt.savefig(img_buf, format='png')
plt.close()
img = Image.open(img_buf)

image_out = pil2tensor(img.convert("RGB"))
Expand Down