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Cleaned up python tutorials and added dependency checks to all tutorials

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Former-commit-id: 246017f041
This commit is contained in:
Sebastian Koch
2016-06-07 16:28:06 +02:00
parent c94e83cf08
commit 594aad7067
30 changed files with 621 additions and 513 deletions
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python/tutorial/305_QuadraticProgramming.py
+31 -23
View File
@@ -1,9 +1,15 @@
# Add the igl library to the modules search path
import sys, os
sys.path.insert(0, os.getcwd() + "/../")
# Add the igl library to the modules search path
sys.path.insert(0, os.getcwd() + "/../")
import pyigl as igl
from shared import TUTORIAL_SHARED_PATH, check_dependencies
dependencies = ["viewer"]
check_dependencies(dependencies)
b = igl.eigen.MatrixXi()
B = igl.eigen.MatrixXd()
bc = igl.eigen.MatrixXd()
@@ -17,37 +23,39 @@ Q = igl.eigen.SparseMatrixd()
Aeq = igl.eigen.SparseMatrixd()
Aieq = igl.eigen.SparseMatrixd()
def solve(viewer):
global Q,B,b,bc,Aeq,Beq,Aieq,Bieq,lx,ux,Z
global Q, B, b, bc, Aeq, Beq, Aieq, Bieq, lx, ux, Z
params = igl.active_set_params()
params.max_iter = 8
igl.active_set(Q,B,b,bc,Aeq,Beq,Aieq,Bieq,lx,ux,params,Z)
igl.active_set(Q, B, b, bc, Aeq, Beq, Aieq, Bieq, lx, ux, params, Z)
C = igl.eigen.MatrixXd()
igl.jet(Z,0,1,C)
igl.jet(Z, 0, 1, C)
viewer.data.set_colors(C)
def key_down(viewer, key, mod):
global Beq,solve
global Beq, solve
if key == ord('.'):
Beq[0,0] = Beq[0,0] * 2.0
solve(viewer)
return True
Beq[0, 0] = Beq[0, 0] * 2.0
solve(viewer)
return True
elif key == ord(','):
Beq[0,0] = Beq[0,0] / 2.0
solve(viewer)
return True
Beq[0, 0] = Beq[0, 0] / 2.0
solve(viewer)
return True
elif key == ord(' '):
solve(viewer)
return True
return False;
solve(viewer)
return True
return False
V = igl.eigen.MatrixXd()
F = igl.eigen.MatrixXi()
igl.readOFF("../../tutorial/shared/cheburashka.off",V,F)
igl.readOFF(TUTORIAL_SHARED_PATH + "cheburashka.off", V, F)
# Plot the mesh
viewer = igl.viewer.Viewer()
@@ -56,7 +64,7 @@ viewer.core.show_lines = False
viewer.callback_key_down = key_down
# One fixed point on belly
b = igl.eigen.MatrixXi([[2556]])
b = igl.eigen.MatrixXi([[2556]])
bc = igl.eigen.MatrixXd([[1]])
# Construct Laplacian and mass matrix
@@ -64,19 +72,19 @@ L = igl.eigen.SparseMatrixd()
M = igl.eigen.SparseMatrixd()
Minv = igl.eigen.SparseMatrixd()
igl.cotmatrix(V,F,L)
igl.massmatrix(V,F,igl.MASSMATRIX_TYPE_VORONOI,M);
igl.invert_diag(M,Minv)
igl.cotmatrix(V, F, L)
igl.massmatrix(V, F, igl.MASSMATRIX_TYPE_VORONOI, M)
igl.invert_diag(M, Minv)
# Bi-Laplacian
Q = L.transpose() * (Minv * L)
# Zero linear term
B = igl.eigen.MatrixXd.Zero(V.rows(),1)
B = igl.eigen.MatrixXd.Zero(V.rows(), 1)
# Lower and upper bound
lx = igl.eigen.MatrixXd.Zero(V.rows(),1)
ux = igl.eigen.MatrixXd.Ones(V.rows(),1)
lx = igl.eigen.MatrixXd.Zero(V.rows(), 1)
ux = igl.eigen.MatrixXd.Ones(V.rows(), 1)
# Equality constraint constrain solution to sum to 1
Beq = igl.eigen.MatrixXd([[0.08]])