def dataLoaded(self, data, extents):
buffer = numpy.concatenate(data, axis=3)
volume = ivw.data.Volume(buffer)
if self.overwriteDataRange.value:
volume.dataMap.dataRange = self.dataRange.value
else:
minVal = numpy.amin(buffer)
maxVal = numpy.amax(buffer)
volume.dataMap.dataRange = dvec2(minVal, maxVal)
volume.dataMap.valueRange = volume.dataMap.dataRange
if self.overwriteModel:
volume.modelMatrix = self.modelMatrix.value
else:
volume.modelMatrix = mat4(vec4(extents[2], 0, 0, 0),
vec4(0, extents[1], 0, 0),
vec4(0, 0, extents[0], 0),
vec4(0, 0, 0, 1))
volume.interpolation = ivw.data.InterpolationType(
self.interpolation.value)
volume.wrapping = [
ivw.data.Wrapping(self.wrappingX.value),
ivw.data.Wrapping(self.wrappingY.value),
ivw.data.Wrapping(self.wrappingZ.value)
]
self.volumeOutport.setData(volume)
def shift_rgba_color(col, scale=0.1, rotation=0.1, opacity_scale=0.1):
h, s, v = colorsys.rgb_to_hsv(col.r, col.g, col.b)
h = h + rotation
s = shift_pos(s, scale)
v = shift_pos(v, scale)
# Don't shift low points
if(col.a > 0.00001):
col.a = shift_pos(col.a, opacity_scale, min_val=0.00003, max_val=0.8)
r, g, b = colorsys.hsv_to_rgb(h, s, v)
return vec4(r, g, b, col.a)
def make_peak(tf, point, colour):
vol = self.getInport("volinport").getData()
scaled_point = point / vol.dataMap.valueRange[1]
tf.add(scaled_point, colour)
black = vec4(0, 0, 0, 0)
#TODO clamp to range 0 1
left = scaled_point - 0.03
right = scaled_point + 0.03
tf.add(left, black)
tf.add(right, black)
def take_action(self, action):
self.ivw_tf.clear()
data_list = []
# If properly using, this needs to be a list
for i in range(255):
start_idx = 4 * i
vec_list = action[start_idx:start_idx + 4].copy().astype(
np.float32) / float(255)
vector = vec4(*vec_list)
data_list.append(TFPrimitiveData(float(i) / 255, vector))
self.ivw_tf.add(data_list)
def dataLoaded(self, data, extents):
volumeSequence = []
for timeStep in range(data[0].shape[3]):
subData = []
for comp in data:
# A bit brute force, but delivers correct data.
numElems = comp.shape[0] * comp.shape[1] * comp.shape[2]
subBuffer = comp.flat[(numElems * timeStep):(numElems *
(timeStep + 1))]
subBuffer.shape = (comp.shape[0], comp.shape[1], comp.shape[2],
1)
subData.append(subBuffer)
buffer = numpy.concatenate(subData, axis=3)
volume = ivw.data.Volume(buffer)
if self.overwriteDataRange.value:
volume.dataMap.dataRange = self.dataRange.value
else:
minVal = numpy.amin(buffer)
maxVal = numpy.amax(buffer)
volume.dataMap.dataRange = dvec2(minVal, maxVal)
volume.dataMap.valueRange = volume.dataMap.dataRange
if self.overwriteModel:
volume.modelMatrix = self.modelMatrix.value
else:
volume.modelMatrix = mat4(vec4(extents[2], 0, 0, 0),
vec4(0, extents[1], 0, 0),
vec4(0, 0, extents[0], 0),
vec4(0, 0, 0, 1))
volume.interpolation = ivw.data.InterpolationType(
self.interpolation.value)
volume.wrapping = [
ivw.data.Wrapping(self.wrappingX.value),
ivw.data.Wrapping(self.wrappingY.value),
ivw.data.Wrapping(self.wrappingZ.value)
]
volumeSequence.append(volume)
sequence = ivw.data.VolumeSequence(volumeSequence)
self.volumeOutport.setData(sequence)
def take_action(self, action, is_int=True):
# It would seem the action is not being properly selected
self.ivw_tf.clear()
data_list = []
# If properly using, this needs to be a list
for i in range(256):
start_idx = 4*i
if is_int:
action_rounded = np.around(action)
vec_list = action_rounded[start_idx:start_idx+4].copy()
vec_list = vec_list.astype(np.float32) / float(255)
else:
vec_list = action[start_idx:start_idx+4].copy()
vector = vec4(*vec_list)
data_list.append(TFPrimitiveData((float(i) / 255), vector))
self.ivw_tf.add(data_list)
def rotateVec(m, v):
return glm.vec3(m * glm.vec4(v, 1.0))
import inviwopy
import inviwopy.glm as glm
app = inviwopy.app
network = app.network
app.network.clear()
app.network.lock()
bg = app.processorFactory.create("org.inviwo.Background", glm.ivec2(0, -100))
bg.backgroundStyle.selectedDisplayName = "Uniform color"
bg.bgColor1.value = glm.vec4(1, 1, 1, 1)
canvas = app.processorFactory.create("org.inviwo.CanvasGL", glm.ivec2(0, 0))
canvas.inputSize.dimensions.value = glm.size2_t(256, 600)
network.addProcessor(bg)
network.addProcessor(canvas)
proc = app.processorFactory.create("org.inviwo.TextOverlayGL")
fontNames = proc.font.fontFace.displayNames
fontIdentifiers = proc.font.fontFace.identifiers
prev = bg
fontSize = 16
processorSpacing = 50
# vertical spacing of text
vertTextSpacing = 1.0 / len(fontNames)
def random_colour():
return vec4(random(), random(), random(), 0.1 + random() * 0.7)
import matplotlib.cm as cm import matplotlib.pyplot as plt import inviwopy from inviwopy.glm import vec2,vec3,vec4 #http://matplotlib.org/examples/color/colormaps_reference.html #Perceptually Uniform Sequential : #['viridis', 'inferno', 'plasma', 'magma'] #Sequential : #['Blues', 'BuGn', 'BuPu','GnBu', 'Greens', 'Greys', 'Oranges', 'OrRd', 'PuBu', 'PuBuGn', 'PuRd', 'Purples', 'RdPu','Reds', 'YlGn', 'YlGnBu', 'YlOrBr', 'YlOrRd'] #Diverging : #['afmhot', 'autumn', 'bone', 'cool','copper', 'gist_heat', 'gray', 'hot','pink', 'spring', 'summer', 'winter'] #Qualitative : #['BrBG', 'bwr', 'coolwarm', 'PiYG', 'PRGn', 'PuOr', 'RdBu', 'RdGy', 'RdYlBu', 'RdYlGn', 'Spectral', 'seismic'] #Miscellaneous : #['Accent', 'Dark2', 'Paired', 'Pastel1', 'Pastel2', 'Set1', 'Set2', 'Set3'] #Sequential : #['gist_earth', 'terrain', 'ocean', 'gist_stern','brg', 'CMRmap', 'cubehelix','gnuplot', 'gnuplot2', 'gist_ncar', 'nipy_spectral', 'jet', 'rainbow', 'gist_rainbow', 'hsv', 'flag', 'prism'] tf = inviwopy.app.network.VolumeRaycaster.transferFunction tf.clear() cmapName = "viridis" cmap=plt.get_cmap(cmapName) N = 128 for i in range(0,N,1): x = i / (N-1) a = 1.0 color = cmap(x) tf.add(x, vec4(color[0],color[1],color[2], a))