From 76a129e11d6b877d6d9ad287fb4050299dc2be3f Mon Sep 17 00:00:00 2001 From: guido Date: Wed, 4 Jul 2001 16:07:33 +0000 Subject: [PATCH] eps surface plots in 3d git-svn-id: https://svn.dealii.org/trunk@4813 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/base/source/data_out_base.cc | 54 +++++++++++++++++++--------- 1 file changed, 38 insertions(+), 16 deletions(-) diff --git a/deal.II/base/source/data_out_base.cc b/deal.II/base/source/data_out_base.cc index 925d9feef1..23c9e68e82 100644 --- a/deal.II/base/source/data_out_base.cc +++ b/deal.II/base/source/data_out_base.cc @@ -1125,7 +1125,9 @@ void DataOutBase::write_eps (const typename std::vector > &p Assert (out, ExcIO()); Assert (patches.size() > 0, ExcNoPatches()); - Assert (spacedim==dim, ExcNotImplemented()); + + // Do ont allow volume rendering + Assert (dim<=2, ExcNotImplemented()); switch (dim) { @@ -1153,6 +1155,11 @@ void DataOutBase::write_eps (const typename std::vector > &p // compiler; they are initialized later double min_color_value=0, max_color_value=0; + // Array for z-coordinates of points. + // The elevation determined by a function if spacedim=2 + // or the z-cooridate of the grid point if spacedim=3 + double heights[4]; + // compute the cells for output and // enter them into the set above // note that since dim==2, we @@ -1193,23 +1200,38 @@ void DataOutBase::write_eps (const typename std::vector > &p (patch->vertices[3] * (1-x_frac))) * y_frac1) }; - Assert ((flags.height_vector < patch->data.n_rows()) || - patch->data.n_rows() == 0, - ExcInvalidVectorNumber (flags.height_vector, + switch (spacedim) + { + case 2: + Assert ((flags.height_vector < patch->data.n_rows()) || + patch->data.n_rows() == 0, + ExcInvalidVectorNumber (flags.height_vector, patch->data.n_rows())); - const double heights[4] - = { patch->data.n_rows() != 0 ? - patch->data(flags.height_vector,i*(n_subdivisions+1) + j) * flags.z_scaling : 0, + heights[0] = patch->data.n_rows() != 0 ? + patch->data(flags.height_vector,i*(n_subdivisions+1) + j) * flags.z_scaling + : 0; - patch->data.n_rows() != 0 ? - patch->data(flags.height_vector,(i+1)*(n_subdivisions+1) + j) * flags.z_scaling : 0, + heights[1] = patch->data.n_rows() != 0 ? + patch->data(flags.height_vector,(i+1)*(n_subdivisions+1) + j) * flags.z_scaling + : 0; - patch->data.n_rows() != 0 ? - patch->data(flags.height_vector,(i+1)*(n_subdivisions+1) + j+1) * flags.z_scaling : 0, + heights[2] = patch->data.n_rows() != 0 ? + patch->data(flags.height_vector,(i+1)*(n_subdivisions+1) + j+1) * flags.z_scaling + : 0; - patch->data.n_rows() != 0 ? - patch->data(flags.height_vector,i*(n_subdivisions+1) + j+1) * flags.z_scaling : 0}; - + heights[3] = patch->data.n_rows() != 0 ? + patch->data(flags.height_vector,i*(n_subdivisions+1) + j+1) * flags.z_scaling + : 0; + break; + case 3: + // Copy z-coordinates into the height vector + for (unsigned int i=0;i<4;++i) + heights[i] = points[i](2); + break; + default: + Assert(false, ExcNotImplemented()); + } + // now compute the projection of // the bilinear cell given by the @@ -1240,8 +1262,8 @@ void DataOutBase::write_eps (const typename std::vector > &p for (unsigned int vertex=0; vertex<4; ++vertex) { const double x = points[vertex](0), - y = points[vertex](1), - z = -heights[vertex]; + y = points[vertex](1), + z = -heights[vertex]; eps_cell.vertices[vertex](0) = - cz*x+ sz*y; eps_cell.vertices[vertex](1) = -cx*sz*x-cx*cz*y-sx*z; -- 2.39.5