Browse Source

Added code to render the 3D view to an image, with shape outlines

pull/1/head
Youen Toupin 3 years ago
parent
commit
7719650a85
  1. 3
      InitGui.py
  2. 89
      ahb_cmd_render.py

3
InitGui.py

@ -62,6 +62,9 @@ class AssemblyHandbookWorkbench(Gui.Workbench):
self.importModule('ahb_cmd_switch_visibility_mode')
toolbox.append("AHB_switchVisibilityMode")
self.importModule('ahb_cmd_render')
toolbox.append("AHB_render")
self.importModule('ahb_cmd_animate')
toolbox.append("AHB_animate")

89
ahb_cmd_render.py

@ -0,0 +1,89 @@
import os
import FreeCADGui as Gui
import FreeCAD as App
class AHB_Render:
def GetResources(self):
return {"MenuText": "Render",
"ToolTip": "Render to images",
"Pixmap": ""
}
def IsActive(self):
return True
def set_render_lines(self, line_color = (0.0,0.0,0.0,0.0), background_color = (1.0,1.0,1.0,0.0)):
doc = App.activeDocument()
for obj in doc.Objects:
if obj.TypeId == 'Part::Feature':
if 'AssemblyHandbook_Stage' in obj.PropertiesList:
obj.ViewObject.DisplayMode = 'Flat Lines'
obj.ViewObject.ShapeMaterial.AmbientColor = (0.0, 0.0, 0.0, 0.0)
obj.ViewObject.ShapeMaterial.EmissiveColor = background_color
obj.ViewObject.LineColor = line_color
def set_render_outlines(self):
doc = App.activeDocument()
step = 8
r = step
g = step
b = step
for obj in doc.Objects:
if obj.TypeId == 'Part::Feature':
if 'AssemblyHandbook_Stage' in obj.PropertiesList:
obj.ViewObject.DisplayMode = 'Shaded'
obj.ViewObject.ShapeMaterial.AmbientColor = (0.0, 0.0, 0.0, 0.0)
obj.ViewObject.ShapeMaterial.DiffuseColor = (0.0, 0.0, 0.0, 0.0)
obj.ViewObject.ShapeMaterial.SpecularColor = (0.0, 0.0, 0.0, 0.0)
obj.ViewObject.ShapeMaterial.EmissiveColor = (r/255.0, g/255.0, b/255.0, 0.0)
r = r + step
if r >= 256 - step:
r = step
g = g + step
if g >= 256 - step:
g = step
b = b + step
if b >= 256 - step:
b = step
def Activated(self):
resolution = (512, 512)
self.set_render_lines()
Gui.ActiveDocument.ActiveView.saveImage("/home/youen/dev_linux/vhelio-render/vhelio.png", resolution[0], resolution[1], "#ffffff")
self.set_render_outlines()
Gui.ActiveDocument.ActiveView.saveImage("/home/youen/dev_linux/vhelio-render/vhelio-shapes.png", resolution[0]*2, resolution[1]*2, "#ffffff")
from PIL import Image
import time
lines = Image.open("/home/youen/dev_linux/vhelio-render/vhelio.png")
lines = lines.convert("L")
shapes = Image.open("/home/youen/dev_linux/vhelio-render/vhelio-shapes.png")
startTime = time.perf_counter()
for xb in range(1, lines.size[0]-1):
for yb in range(1, lines.size[1]-1):
outline_color = 1.0
for x in range(xb*2, xb*2+2):
for y in range(yb*2, yb*2+2):
c = shapes.getpixel((x, y))
border = False
if c != shapes.getpixel((x - 1, y - 1)): border = True
if c != shapes.getpixel((x, y - 1)): border = True
if c != shapes.getpixel((x + 1, y - 1)): border = True
if c != shapes.getpixel((x - 1, y)): border = True
if c != shapes.getpixel((x, y)): border = True
if c != shapes.getpixel((x + 1, y)): border = True
if c != shapes.getpixel((x - 1, y + 1)): border = True
if c != shapes.getpixel((x, y + 1)): border = True
if c != shapes.getpixel((x + 1, y + 1)): border = True
if border: outline_color = outline_color - 0.25
lines.putpixel((xb, yb), min(lines.getpixel((xb, yb)), int(outline_color * 255.0)))
endTime = time.perf_counter()
print("Outline detection: " + str(round((endTime - startTime)*1000)/1000) + "s")
lines.save("/home/youen/dev_linux/vhelio-render/vhelio-final.png")
from ahb_command import AHB_CommandWrapper
AHB_CommandWrapper.addGuiCommand('AHB_render', AHB_Render())
Loading…
Cancel
Save