animation example

Author: theodoregoetz

.gitignore

@@ -102,3 +102,8 @@ venv.bak/
 
 # mypy
 .mypy_cache/
+
+*.gif
+*.png
+*.mpg
+batch.log

hello-pytecplot.py

@@ -0,0 +1,23 @@
+import tecplot as tp
+
+# connect to running instance of Tecplot 360 on port 7601
+tp.session.connect(port=7601)
+
+# reset the layout. This will clear any previously loaded data
+tp.new_layout()
+
+# get handle to the active frame
+frame = tp.active_frame()
+
+# add a text box. The anchor will be in the center of the frame
+txt = frame.add_text('Hello, PyTecplot!', (50, 50))
+
+# make text larger
+txt.size = 48
+
+# center text by centering the anchor point
+txt.anchor = TextAnchor.MidCenter
+
+# change the text color
+txt.color = Color.Blue
+

hello-world-connect.py renamed to hello-world-connected.py

@@ -4,7 +4,7 @@
 frame = tp.active_frame()
 
 # add a text box. The anchor will be in the center of the frame
-frame.add_text('Hello, World!', (50, 50))
+frame.add_text('Hello, World!', (50, 50), size=48)
 
 # save an image of the frame
 tp.save_png('hello-world.png')

hello-world.py

@@ -1,52 +1,44 @@
 import glob
-import os
-import re
 import sys
 
+import numpy as np
+
 import tecplot as tp
 from tecplot.constant import *
 
-
 def plot_data(plot):
+    """Plot Isosurface of constant Pressure, contouring on Temperature"""
     T = plot.frame.dataset.variable('Temperature')
     P = plot.frame.dataset.variable('Pressure')
-
-    contour = plot.contour(0)
+    plot = tp.active_frame().plot(PlotType.Cartesian3D)
+    plot.show_shade = False
+    plot.show_slices = True
+    plot.show_isosurfaces = True
+    contour = plot.slice(0).contour.flood_contour_group
     contour.variable = T
     contour.legend.auto_resize = True
-    contour.colormap_filter.distribution = \
-        ColorMapDistribution.Continuous
-    contour.colormap_filter.continuous_min = 280
-    contour.colormap_filter.continuous_max = 380
-
-    isosurf = tp.active_frame().plot().isosurface(0)
+    contour.levels.reset_levels(np.linspace(280, 380, 201))
+    isosurf = plot.isosurface(0)
     isosurf.definition_contour_group_index = 1
     isosurf.definition_contour_group.variable = P
-    isosurf.contour.flood_contour_group = contour
     isosurf.isosurface_values = -6000
-
+    isosurf.contour.flood_contour_group = contour
     slice = tp.active_frame().plot().slice(0)
     slice.effects.use_translucency = True
     slice.effects.surface_translucency = 40
-
-    plot.show_shade = False
-    plot.show_slices = True
-    plot.show_isosurfaces = True
-
     plot.view.psi = 68.2286
     plot.view.theta = -124.114
     plot.view.position = 2.95931, 2.15999, 1.45886
     plot.view.width = 0.339885
 
-
 if '-c' in sys.argv:
     tp.session.connect()
+    tp.new_layout()
 
 # sorting on filenames determines order of animation
-files = sorted(glob.glob('HotWaterMixing_Y05YT10*.plt'))
+files = sorted(glob.glob('hotwatermixing/HotWaterMixing_Y05YT10*.plt'))
 
-# clear the layout, load the data and activate the 3D plot
-tp.new_layout()
+# load all data files and activate the 3D plot
 dataset = tp.data.load_tecplot(files)
 plot = tp.active_frame().plot(PlotType.Cartesian3D)
 plot.activate()
@@ -60,8 +52,20 @@ def plot_data(plot):
 
 # Turn on one fieldmap at a time and save animation frame
 with tp.export.animation_mpeg4('hotwater-animation.mpg') as animation:
+
+    # for each zone named "fluid"
+    # these will be in the order they were loaded
     for zone in dataset.zones('fluid'):
+
+        # get handle to fieldmap for this zone
         fmap = plot.fieldmap(zone)
+
+        # turn on this fieldmap
         fmap.show = True
+
+        # export a single animation frame
         animation.export_animation_frame()
+
+        # turn off this fieldmap
         fmap.show = False
+

plot-animation.py renamed to hotwater-animation.py

@@ -1,40 +1,63 @@
 import sys
+
 import numpy as np
+
 import tecplot as tp
 from tecplot.exception import *
 from tecplot.constant import *
 
+# if "-c" is passed as an argument from the
+# console conntect to Tecplot 360 on the
+# default port (7600) and clear the layout
 if '-c' in sys.argv:
     tp.session.connect()
     tp.new_layout()
 
+# load a single data file
 infile = 'hotwatermixing/HotWaterMixing.plt'
 dataset = tp.data.load_tecplot(infile)
+
+# get handles to variables in the dataset
+T = dataset.variable('Temperature')
+P = dataset.variable('Pressure')
+
+# get handle to 3D plot
 plot = tp.active_frame().plot(PlotType.Cartesian3D)
+
+# turn on slices and isosurfaces, turn off shade
 plot.show_shade = False
 plot.show_slices = True
+plot.show_isosurfaces = True
+
+# set slice flood contour to Temperature
+# and adjust contour levels
 contour = plot.slice(0).contour.flood_contour_group
-contour.variable = dataset.variable('Temperature')
+contour.variable = T
 contour.legend.auto_resize = True
 contour.levels.reset_levels(np.linspace(280, 380, 201))
 
 # get handle to isosurface group
 isosurf = plot.isosurface(0)
 
+# isosurface will be a constant value of Pressure
 isosurf.definition_contour_group_index = 1
 isosurf.definition_contour_group.variable = P
-isosurf.contour.flood_contour_group = contour
 isosurf.isosurface_values = -6000
 
+# isosurface contoured by Temperature
+isosurf.contour.flood_contour_group = contour
+
+# make slice translucent
 slice = tp.active_frame().plot().slice(0)
 slice.effects.use_translucency = True
 slice.effects.surface_translucency = 40
 
-
+# adjust the view
 plot.view.psi = 68.2286
 plot.view.theta = -124.114
 plot.view.position = 2.95931, 2.15999, 1.45886
 plot.view.width = 0.339885
 
+# save image
 tp.save_png('hotwater-isosurface.png')