From 4bb372ef87f86de0b4f825e3fb80921fd7af9895 Mon Sep 17 00:00:00 2001
From: Furgo <148809153+furgo16@users.noreply.github.com>
Date: Tue, 25 Mar 2025 09:36:43 +0100
Subject: [PATCH] Start: set specific zoom level for new BIM projects (#20271)

* Gui: allow viewDefaultOrientation function to accept the None value, as per the docstring

* Start, BIM: set specific zoom level for new BIM projects
---
 src/Gui/View3DPy.cpp            | 2 +-
 src/Mod/Start/Gui/StartView.cpp | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Gui/View3DPy.cpp b/src/Gui/View3DPy.cpp
index eb8b946289..b99918ddba 100644
--- a/src/Gui/View3DPy.cpp
+++ b/src/Gui/View3DPy.cpp
@@ -553,7 +553,7 @@ Py::Object View3DInventorPy::viewDefaultOrientation(const Py::Tuple& args)
 {
     char* view = nullptr;
     double scale = -1.0;
-    if (!PyArg_ParseTuple(args.ptr(), "|sd", &view, &scale))
+    if (!PyArg_ParseTuple(args.ptr(), "|zd", &view, &scale))
         throw Py::Exception();
 
     try {
diff --git a/src/Mod/Start/Gui/StartView.cpp b/src/Mod/Start/Gui/StartView.cpp
index dc45b87849..a8b45b89f0 100644
--- a/src/Mod/Start/Gui/StartView.cpp
+++ b/src/Mod/Start/Gui/StartView.cpp
@@ -330,6 +330,11 @@ void StartView::newArchFile() const
     catch (...) {
         Gui::Application::Instance->activateWorkbench("ArchWorkbench");
     }
+
+    // Set the camera zoom level to 10 m, which is more appropriate for architectural projects
+    Gui::Command::doCommand(
+        Gui::Command::Gui,
+        "Gui.activeDocument().activeView().viewDefaultOrientation(None, 10000.0)");
     postStart(PostStartBehavior::doNotSwitchWorkbench);
 }