internal static void RenderNetworkFrame(CompasNetwork network, double[][] vertices, IRenderPackage package, TessellationParameters parameters)
{
// Vertices
foreach (double[] p in vertices)
{
package.AddPointVertex(p[0], p[1], p[2]);
package.AddPointVertexColor(255, 0, 0, 255);
}
if (network.edgesInt != null)
{
foreach (int[] ids in network.edgesInt)
{
double[] p0 = vertices[ids[0]];
double[] p1 = vertices[ids[1]];
package.AddLineStripVertexColor(0, 255, 0, 255);
package.AddLineStripVertex(p0[0], p0[1], p0[2]);
package.AddLineStripVertexColor(0, 0, 255, 255);
package.AddLineStripVertex(p1[0], p1[1], p1[2]);
package.AddLineStripVertexCount(2);
}
}
}
public void Tessellate(IRenderPackage package, TessellationParameters parameters)
{
if (network.frames != null)
{
double[][] frame = network.frameDoubles[it % frameCount];
CompasNetwork.RenderNetworkFrame(network, frame, package, parameters);
}
}
public static Dictionary <string, object> CompasNetworkProperties(CompasNetwork network)
{
return(new Dictionary <string, object>()
{
{ "PythonMesh", network.ToPythonNetwork() },
{ "Vertices", 400 },
{ "Edges", 12 }
});
}
public static CompasNetwork CompasNetworkFromObj(string filePath = null, string IronPythonPath = @"C:\Program Files (x86)\IronPython 2.7")
{
string path = GetPackagePath() + @"bin";
var pySrc =
@"
import sys
sys.path.append(r'" + IronPythonPath + @"')
sys.path.append(r'" + IronPythonPath + @"\Lib')
sys.path.append(r'" + IronPythonPath + @"\DLLs')
sys.path.append(r'" + path + @"')
import compas
from compas.datastructures.network import Network
# import List class to cast the type
from System.Collections.Generic import *
def NetworkFromObject(filepath):
# import network
network = Network.from_obj(filepath)
# extract network vertices
xyz = [network.vertex_coordinates(key) for key in network.vertices()]
vertices = List[object]([List[object]([x, y, z]) for x, y, z in xyz])
# extract network edges
key_index = network.key_index()
edges = [(key_index[u], key_index[v]) for u, v in network.edges()]
edges = List[object]([List[object](ij) for ij in edges])
return List[object]([network, str(network), vertices, edges])
";
if (filePath != null || filePath != "")
{
// host python and execute script
var engine = IronPython.Hosting.Python.CreateEngine();
var scope = engine.CreateScope();
engine.Execute(pySrc, scope);
var NetworkFromObject = scope.GetVariable <Func <string, List <object> > >("NetworkFromObject");
var networkList = NetworkFromObject(filePath);
return(CompasNetwork.Create(networkList[0], networkList[1] as String, networkList[2] as List <object>, networkList[3] as List <object>));
}
return(null);
}
public static CompasNetwork Smooth(CompasNetwork network, int iterations = 100, bool shouldAnimate = false, string IronPythonPath = @"C:\Program Files (x86)\IronPython 2.7")
{
string path = GetPackagePath() + @"bin";
var pySrc =
@"
import sys
sys.path.append(r'" + IronPythonPath + @"')
sys.path.append(r'" + IronPythonPath + @"\Lib')
sys.path.append(r'" + IronPythonPath + @"\DLLs')
sys.path.append(r'" + path + @"')
import compas
from compas.datastructures.network import Network
from compas.datastructures.network.algorithms import smooth_network_centroid
# import List class to cast the type
from System.Collections.Generic import *
def SmoothNetwork(network, its, animate=False):
def callback(network, k, args):
frames = args[0]
animate = args[1]
if animate:
frames.append([network.vertex_coordinates(key) for key in network.vertices()])
frames = []
smooth = network.copy()
smooth_network_centroid(smooth, fixed = smooth.leaves(), kmax = its, callback=callback, callback_args=(frames, animate))
# extract network vertices
xyz = [smooth.vertex_coordinates(key) for key in smooth.vertices()]
vertices = List[object]([List[object]([x, y, z]) for x, y, z in xyz])
# extract network edges
key_index = smooth.key_index()
edges = [(key_index[u], key_index[v]) for u, v in smooth.edges()]
edges = List[object]([List[object](ij) for ij in edges])
# extract animation frames
frames = List[object]([List[object]([List[object](xyz) for xyz in frame]) for frame in frames])
return List[object]([smooth, str(smooth), vertices, edges, frames])
";
// REMEMBER: add initial zero frame to the frames animations
if (network != null && network is CompasNetwork)
{
// host python and execute script
var engine = IronPython.Hosting.Python.CreateEngine();
var scope = engine.CreateScope();
engine.Execute(pySrc, scope);
var SmoothNetwork = scope.GetVariable <Func <object, int, bool, List <object> > >("SmoothNetwork");
var networkList = SmoothNetwork(network.ToPythonNetwork(), iterations, shouldAnimate);
return(CompasNetwork.Create(
networkList[0],
networkList[1] as String,
networkList[2] as List <object>,
networkList[3] as List <object>,
networkList[4] as List <object>));
}
return(null);
}
public static CompassNetworkAnimationViz AnimateNetwork(CompasNetwork network, int iteration = 0)
{
return(network == null ? null : new CompassNetworkAnimationViz(network, iteration));
}
internal CompassNetworkAnimationViz(CompasNetwork network, int it)
{
this.network = network;
this.it = it;
this.frameCount = network.frameDoubles.Length;
}