tadd preliminary implementation of bond visualization - Granular.jl - Julia package for granular dynamics simulation
(HTM) git clone git://src.adamsgaard.dk/Granular.jl
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---
(DIR) commit d47ca02a8b5af731e8ed4c76d647e26a75af518c
(DIR) parent c30185511c7d49018623d283187fefe84603e3dd
(HTM) Author: Anders Damsgaard <andersd@riseup.net>
Date: Fri, 26 May 2017 15:45:08 -0400
add preliminary implementation of bond visualization
Diffstat:
M .gitignore | 1 +
M src/io.jl | 115 +++++++++++++++++++++++++++++++
2 files changed, 116 insertions(+), 0 deletions(-)
---
(DIR) diff --git a/.gitignore b/.gitignore
t@@ -9,4 +9,5 @@ deps/deps.jl
# simulation output files
*.vtu
+*.vtp
*.vts
(DIR) diff --git a/src/io.jl b/src/io.jl
t@@ -23,6 +23,10 @@ function writeVTK(simulation::Simulation;
simulation.file_number)
writeIceFloeVTK(simulation, filename, verbose=verbose)
+ filename = string(folder, "/", simulation.id, ".icefloe-bonds.",
+ simulation.file_number)
+ writeIceFloeBondVTK(simulation, filename, verbose=verbose)
+
if typeof(simulation.ocean.input_file) != Bool && ocean
filename = string(folder, "/", simulation.id, ".ocean.",
simulation.file_number)
t@@ -125,6 +129,116 @@ function writeIceFloeVTK(simulation::Simulation,
end
end
+export writeIceFloeBondVTK
+function writeIceFloeBondVTK(simulation::Simulation,
+ filename::String;
+ verbose::Bool=false)
+
+ # Save ice-floe indexes and metrics for all interactions
+ i1 = []
+ i2 = []
+ force = []
+ shear_displacement_1 = []
+ shear_displacement_2 = []
+ contact_age = []
+ for i=1:length(simulation.ice_floes)
+ for ic=1:Nc_max
+ if simulation.ice_floes[i].contacts[ic] > 0
+ j = simulation.ice_floes[i].contacts[ic]
+
+ append!(i1, i)
+ append!(i2, j)
+
+ append!(force, f_n)
+
+ append!(shear_displacement_1, simulation.ice_floes[i].
+ contact_parallel_displacement[ic][1])
+ append!(shear_displacement_2,
+ simulation.ice_floes[i].
+ contact_parallel_displacement[ic][2])
+
+ append!(contact_age, simulation.ice_floes[i].contact_age[ic])
+ end
+ end
+ end
+
+ # Insert a piece for each ice floe interaction using ice floe positions as
+ # coordinates and connect them with lines by referencing their indexes.
+ open(filename * ".vtp", "w") do f
+ write(f, "<?xml version=\"1.0\"?>\n")
+ write(f, "<VTKFile type=\"PolyData\" version=\"0.1\" " *
+ "byte_order=\"LittleEndian\">\n")
+ write(f, " <PolyData>\n")
+ write(f, " <Piece " *
+ "NumberOfPoints=\"$(length(simulation.ice_floes))\" " *
+ "NumberOfVerts=\"0\" " *
+ "NumberOfLines=\"$(length(i1))\">\n")
+ write(f, " <PointData>\n")
+ write(f, " </PointData>\n")
+ write(f, " <CellData>\n")
+
+ # Write values associated to each line
+ write(f, " <DataArray name=\"Force [N]\" type=\"Float32\" " *
+ "NumberOfComponents=\"1\" format=\"ascii\">\n")
+ for i=1:length(i1)
+ write(f, "$(force[i]) ")
+ end
+ write(f, "\n")
+ write(f, " </DataArray>\n")
+
+ write(f, " <DataArray name=\"Contact age [s]\" " *
+ "type=\"Float32\" NumberOfComponents=\"1\" format=\"ascii\">\n")
+ for i=1:length(i1)
+ write(f, "$(contact_age[i]) ")
+ end
+ write(f, "\n")
+ write(f, " </DataArray>\n")
+
+ write(f, " </CellData>\n")
+ write(f, " <Points>\n")
+
+ # Write line endpoints (ice floe centers)
+ write(f, " <DataArray name=\"Position [m]\" type=\"Float32\" " *
+ "NumberOfComponents=\"3\" format=\"ascii\">\n")
+ for i in simulation.ice_floes
+ write(f, "$(i.lin_pos[1]) $(i.lin_pos[2]) 0.0 ")
+ end
+ write(f, "\n")
+ write(f, " </DataArray>\n")
+ write(f, " </Points>\n")
+ write(f, " <Verts>\n")
+ write(f, " </Verts>\n")
+ write(f, " <Lines>\n")
+
+ # Write contact connectivity by referring to point indexes
+ write(f, " <DataArray name=\"connectivity\" type=\"Int64\" " *
+ "format=\"ascii\">\n")
+ for i=1:length(i1)
+ write(f, "$(i1[i]) $(i2[i]) ")
+ end
+ write(f, "\n")
+ write(f, " </DataArray>\n")
+
+ # Write 0-indexed offset for the connectivity array for the end of each
+ # cell
+ write(f, " <DataArray name=\"connectivity\" type=\"Int64\" " *
+ "format=\"ascii\">\n")
+ for i=1:length(i1)
+ write(f, "$((i - 1)*2 + 2) ")
+ end
+ write(f, " </DataArray>\n")
+
+ write(f, " </Lines>\n")
+ write(f, " <Strips>\n")
+ write(f, " </Strips>\n")
+ write(f, " <Polys>\n")
+ write(f, " </Polys>\n")
+ write(f, " </Piece>\n")
+ write(f, " </PolyData>\n")
+ write(f, "</VTKFile>\n")
+ end
+end
+
export writeOceanVTK
"""
Write a VTK file to disk containing all ocean data in the `simulation` in a
t@@ -192,5 +306,6 @@ Remove all simulation output files from the specified folder.
"""
function removeSimulationFiles(simulation::Simulation; folder::String=".")
run(`bash -c "rm -rf $(folder)/$(simulation.id).*.vtu"`)
+ run(`bash -c "rm -rf $(folder)/$(simulation.id).*.vtp"`)
run(`bash -c "rm -rf $(folder)/$(simulation.id).*.vts"`)
end