fix issue with reconstruct app

3DBAG · Nov 26, 2024 · 029665d · 029665d
1 parent f15a7ab
commit 029665d
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 5 deletions.
diff --git a/apps/roofer-app/crop_tile.hpp b/apps/roofer-app/crop_tile.hpp
@@ -44,13 +44,13 @@ bool crop_tile(const roofer::TBox<double>& tile,
   roofer::AttributeVecMap attributes;
   vector_reader->readPolygons(footprints, &attributes);
 
-  if (!pj->data_offset.has_value()) {
-    logger.error("No data offset set after reading inputs");
+  const unsigned N_fp = footprints.size();
+  if (N_fp == 0) {
     return false;
   }
 
-  const unsigned N_fp = footprints.size();
-  if (N_fp == 0) {
+  if (!pj->data_offset.has_value()) {
+    logger.error("No data offset set after reading inputs");
     return false;
   }
 

diff --git a/src/extra/io/CityJsonWriter.cpp b/src/extra/io/CityJsonWriter.cpp
@@ -110,7 +110,10 @@ namespace roofer::io {
       auto semantic_objects = nlohmann::json::array();
       std::vector<int> sem_values;
       for (size_t i = 0; i < mesh.get_polygons().size(); ++i) {
-        auto semantic_object = attributes2json(mesh.get_attributes().at(i));
+        nlohmann::json::object_t semantic_object;
+        if (mesh.get_attributes().size()) {
+          semantic_object = attributes2json(mesh.get_attributes().at(i));
+        }
         if (mesh.get_labels()[i] == 0) {
           semantic_object["type"] = "GroundSurface";
         } else if (mesh.get_labels()[i] == 1) {