I reinstated error messages using a message box.

Also added a "Print" window, for messages from the post-processing.

HeeksCNC installer.iss

@@ -7,15 +7,15 @@
 ; (To generate a new GUID, click Tools | Generate GUID inside the IDE.)
 AppId={{FE583F3D-8863-438B-AD81-790FD54A7113}
 AppName=HeeksCNC
-AppVerName=HeeksCNC 0.27.0
+AppVerName=HeeksCNC 0.28.0
 AppPublisher=Heeks Software
 AppPublisherURL=http://heeks.net/
 AppSupportURL=http://code.google.com/p/heekscnc/
 AppUpdatesURL=http://code.google.com/p/heekscnc/
 DefaultDirName={pf}\HeeksCNC
 DefaultGroupName=HeeksCNC
 DisableProgramGroupPage=yes
-OutputBaseFilename=HeeksCNC 0.27.0
+OutputBaseFilename=HeeksCNC 0.28.0
 Compression=lzma
 SolidCompression=yes
 
@@ -40,22 +40,22 @@ Source: "C:\Dev\HeeksCADSVN\wxmsw28u_gl_vc_custom.dll"; DestDir: "{app}"; Flags:
 Source: "C:\Dev\HeeksCADSVN\wxmsw28u_core_vc_custom.dll"; DestDir: "{app}"; Flags: ignoreversion
 Source: "C:\Dev\HeeksCADSVN\wxmsw28u_aui_vc_custom.dll"; DestDir: "{app}"; Flags: ignoreversion
 Source: "C:\Dev\HeeksCADSVN\wxbase28u_vc_custom.dll"; DestDir: "{app}"; Flags: ignoreversion
-Source: "C:\Dev\HeeksCNCSVN\post for installer.bat"; DestDir: "{app}\HeeksCNC"; DestName: "post.bat"; Flags: ignoreversion
-Source: "C:\Dev\HeeksCNCSVN\nc_read for installer.bat"; DestDir: "{app}\HeeksCNC"; DestName: "nc_read.bat"; Flags: ignoreversion
-Source: "C:\Dev\HeeksCNCSVN\backplot.py"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion
-Source: "C:\Dev\HeeksCNCSVN\area_funcs.py"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion
+Source: "C:\Dev\HeeksCNCSVN\post for installer.bat"; DestDir: "{app}\HeeksCNC"; DestName: "post.bat"; Flags: ignoreversion; Permissions: users-modify
+Source: "C:\Dev\HeeksCNCSVN\nc_read for installer.bat"; DestDir: "{app}\HeeksCNC"; DestName: "nc_read.bat"; Flags: ignoreversion; Permissions: users-modify
+Source: "C:\Dev\HeeksCNCSVN\backplot.py"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion; Permissions: users-modify
+Source: "C:\Dev\HeeksCNCSVN\area_funcs.py"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion; Permissions: users-modify
 Source: "C:\Dev\libarea\Release\area.pyd"; DestDir: "{app}\HeeksCNC\Boolean"; Flags: ignoreversion
 Source: "C:\Dev\HeeksCNCSVN\subdir.manifest"; DestDir: "{app}\HeeksCNC\Boolean"; DestName: "Microsoft.VC90.CRT.manifest"; Flags: ignoreversion
-Source: "C:\Dev\HeeksCNCSVN\kurve_funcs.py"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion
-Source: "C:\Dev\HeeksCNCSVN\area_funcs.py"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion
+Source: "C:\Dev\HeeksCNCSVN\kurve_funcs.py"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion; Permissions: users-modify
+Source: "C:\Dev\HeeksCNCSVN\area_funcs.py"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion; Permissions: users-modify
 Source: "C:\Dev\libarea\ClipperRelease\area.pyd"; DestDir: "{app}\HeeksCNC\Clipper"; Flags: ignoreversion
 Source: "C:\Dev\HeeksCNCSVN\subdir.manifest"; DestDir: "{app}\HeeksCNC\Clipper"; DestName: "Microsoft.VC90.CRT.manifest"; Flags: ignoreversion
-Source: "C:\Dev\HeeksCNCSVN\ocl_funcs.py"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion
+Source: "C:\Dev\HeeksCNCSVN\ocl_funcs.py"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion; Permissions: users-modify
 Source: "C:\Dev\HeeksCNCSVN\ocl.pyd"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion
-Source: "C:\Dev\HeeksCNCSVN\*.speeds"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion
-Source: "C:\Dev\HeeksCNCSVN\*.tooltable"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion
-Source: "C:\Dev\HeeksCNCSVN\nc\*.py"; DestDir: "{app}\HeeksCNC\nc"; Flags: ignoreversion
-Source: "C:\Dev\HeeksCNCSVN\nc\*.txt"; DestDir: "{app}\HeeksCNC\nc"; Flags: ignoreversion
+Source: "C:\Dev\HeeksCNCSVN\*.speeds"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion; Permissions: users-modify
+Source: "C:\Dev\HeeksCNCSVN\*.tooltable"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion; Permissions: users-modify
+Source: "C:\Dev\HeeksCNCSVN\nc\*.py"; DestDir: "{app}\HeeksCNC\nc"; Flags: ignoreversion; Permissions: users-modify
+Source: "C:\Dev\HeeksCNCSVN\nc\*.txt"; DestDir: "{app}\HeeksCNC\nc"; Flags: ignoreversion; Permissions: users-modify
 Source: "C:\Dev\HeeksCNCSVN\src\Unicode Release\HeeksCNC.dll"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion
 Source: "C:\Dev\HeeksCNCSVN\bitmaps\*.png"; DestDir: "{app}\HeeksCNC\bitmaps"; Flags: ignoreversion
 Source: "C:\Dev\HeeksCNCSVN\bitmaps\pocket\*.png"; DestDir: "{app}\HeeksCNC\bitmaps\pocket"; Flags: ignoreversion
@@ -69,7 +69,7 @@ Source: "C:\python26\python.exe"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversio
 Source: "C:\Dev\voxelcut\voxelcut.bat"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion
 Source: "C:\Dev\voxelcut\area.pyd"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion
 Source: "C:\Dev\voxelcut\voxelcut.pyd"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion
-Source: "C:\Dev\voxelcut\*.py"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion
+Source: "C:\Dev\voxelcut\*.py"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion; Permissions: users-modify
 Source: "C:\Dev\voxelcut\bitmaps\*.png"; DestDir: "{app}\HeeksCNC\bitmaps"; Flags: ignoreversion
 Source: "C:\Program Files (x86)\VoxelCut\wx.*.pyd"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion
 Source: "C:\Program Files (x86)\VoxelCut\wx*.dll"; DestDir: "{app}\HeeksCNC"; Flags: ignoreversion

area_funcs.py

@@ -358,7 +358,7 @@ def zigzag(a, stepover, zig_unidirectional):
 
     reorder_zigs()
 
-def pocket(a,tool_radius, extra_offset, rapid_safety_space, start_depth, final_depth, stepover, stepdown, z_finish_depth, z_thru_depth, user_depths, clearance_height, from_center, keep_tool_down_if_poss, use_zig_zag, zig_angle, zig_unidirectional = False,start_point=None, cut_mode = 'conventional'):
+def pocket(a,tool_radius, extra_offset, stepover, depth_params, from_center, keep_tool_down_if_poss, use_zig_zag, zig_angle, zig_unidirectional = False,start_point=None, cut_mode = 'conventional'):
     global tool_radius_for_pocket
     global area_for_feed_possible
 
@@ -375,9 +375,6 @@ def pocket(a,tool_radius, extra_offset, rapid_safety_space, start_depth, final_d
         area_for_feed_possible = area.Area(a)
         area_for_feed_possible.Offset(extra_offset - 0.01)
 
-    if rapid_safety_space > clearance_height:
-       rapid_safety_space = clearance_height
-
     use_internal_function = (area.holes_linked() == False) # use internal function, if area module is the Clipper library
 
     if use_internal_function:
@@ -419,16 +416,16 @@ def pocket(a,tool_radius, extra_offset, rapid_safety_space, start_depth, final_d
                     a_offset.Offset(current_offset)
             curve_list = get_curve_list(arealist, cut_mode == 'climb')
 
-    depths = kurve_funcs.get_depths(start_depth, final_depth, stepdown, z_finish_depth, z_thru_depth, user_depths)
+    depths = depth_params.get_depths()
 
-    current_start_depth = start_depth
+    current_start_depth = depth_params.start_depth
 
     if start_point==None:
         for depth in depths:
-            cut_curvelist1(curve_list, rapid_safety_space, current_start_depth, depth, clearance_height, keep_tool_down_if_poss)
+            cut_curvelist1(curve_list, depth_params.rapid_safety_space, current_start_depth, depth, depth_params.clearance_height, keep_tool_down_if_poss)
             current_start_depth = depth
 
     else:
         for depth in depths:
-            cut_curvelist2(curve_list, rapid_safety_space, current_start_depth, depth, clearance_height, keep_tool_down_if_poss, start_point)
+            cut_curvelist2(curve_list, depth_params.rapid_safety_space, current_start_depth, depth, depth_params.clearance_height, keep_tool_down_if_poss, start_point)
             current_start_depth = depth