QGIS version: 3.42.1-Münster
QGIS code revision: 1fc52835a89
Qt version: 5.15.2
Python version: 3.9.5
GDAL version: 3.3.2
GEOS version: 3.9.1-CAPI-1.14.2
PROJ version: Rel. 8.1.1, September 1st, 2021
PDAL version: 2.3.0 (git-version: Release)
Algorithm started at: 2025-08-20T17:54:24
Algorithm 'las2dem (file)' starting…
Input parameters:
{ 'ADDITIONAL_OPTIONS' : '-demo', 'ATTRIBUTE' : 0, 'FILTER_RETURN_CLASS_FLAGS1' : 2, 'INPUT_LASLAZ' : '/Users/KenJacobMacbook/QGIS/LiDAR/lyons cutler/preserve point cloud 2.laz', 'OUTPUT_RASTER' : '/Users/KenJacobMacbook/QGIS/LiDAR/lyons cutler/first returns', 'PRODUCT' : 0, 'STEP' : 1, 'USE_TILE_BB' : False, 'VERBOSE' : True }

No license file found. Run in demo mode.
LAStools command line
/opt/homebrew/bin/wine /Users/KenJacobMacbook/QGIS/LAStools/bin/las2dem64.exe -demo -i "/Users/KenJacobMacbook/QGIS/LiDAR/lyons cutler/preserve point cloud 2.laz" -keep_first -step 1.0 -demo -v -o "/Users/KenJacobMacbook/QGIS/LiDAR/lyons cutler/first returns"
LAStools console output
[mvk-info] MoltenVK version 1.3.0, supporting Vulkan version 1.3.313.
The following 126 Vulkan extensions are supported:
VK_KHR_16bit_storage v1
VK_KHR_8bit_storage v1
VK_KHR_bind_memory2 v1
VK_KHR_buffer_device_address v1
VK_KHR_calibrated_timestamps v1
VK_KHR_copy_commands2 v1
VK_KHR_create_renderpass2 v1
VK_KHR_dedicated_allocation v3
VK_KHR_deferred_host_operations v4
VK_KHR_depth_stencil_resolve v1
VK_KHR_descriptor_update_template v1
VK_KHR_device_group v4
VK_KHR_device_group_creation v1
VK_KHR_driver_properties v1
VK_KHR_dynamic_rendering v1
VK_KHR_external_fence v1
VK_KHR_external_fence_capabilities v1
VK_KHR_external_memory v1
VK_KHR_external_memory_capabilities v1
VK_KHR_external_semaphore v1
VK_KHR_external_semaphore_capabilities v1
VK_KHR_fragment_shader_barycentric v1
VK_KHR_format_feature_flags2 v2
VK_KHR_get_memory_requirements2 v1
VK_KHR_get_physical_device_properties2 v2
VK_KHR_get_surface_capabilities2 v1
VK_KHR_imageless_framebuffer v1
VK_KHR_image_format_list v1
VK_KHR_incremental_present v2
VK_KHR_index_type_uint8 v1
VK_KHR_load_store_op_none v1
VK_KHR_maintenance1 v2
VK_KHR_maintenance2 v1
VK_KHR_maintenance3 v1
VK_KHR_maintenance4 v2
VK_KHR_maintenance6 v1
VK_KHR_maintenance7 v1
VK_KHR_map_memory2 v1
VK_KHR_multiview v1
VK_KHR_portability_subset v1
VK_KHR_push_descriptor v2
VK_KHR_relaxed_block_layout v1
VK_KHR_sampler_mirror_clamp_to_edge v3
VK_KHR_sampler_ycbcr_conversion v14
VK_KHR_separate_depth_stencil_layouts v1
VK_KHR_shader_draw_parameters v1
VK_KHR_shader_expect_assume v1
VK_KHR_shader_float_controls v4
VK_KHR_shader_float16_int8 v1
VK_KHR_shader_integer_dot_product v1
VK_KHR_shader_non_semantic_info v1
VK_KHR_shader_subgroup_extended_types v1
VK_KHR_shader_subgroup_rotate v2
VK_KHR_shader_terminate_invocation v1
VK_KHR_spirv_1_4 v1
VK_KHR_storage_buffer_storage_class v1
VK_KHR_surface v25
VK_KHR_swapchain v70
VK_KHR_swapchain_mutable_format v1
VK_KHR_synchronization2 v1
VK_KHR_timeline_semaphore v2
VK_KHR_uniform_buffer_standard_layout v1
VK_KHR_variable_pointers v1
VK_KHR_vertex_attribute_divisor v1
VK_KHR_vulkan_memory_model v3
VK_KHR_zero_initialize_workgroup_memory v1
VK_EXT_4444_formats v1
VK_EXT_buffer_device_address v2
VK_EXT_calibrated_timestamps v2
VK_EXT_debug_marker v4
VK_EXT_debug_report v10
VK_EXT_debug_utils v2
VK_EXT_descriptor_indexing v2
VK_EXT_depth_clip_control v1
VK_EXT_extended_dynamic_state v1
VK_EXT_extended_dynamic_state2 v1
VK_EXT_extended_dynamic_state3 v2
VK_EXT_external_memory_host v1
VK_EXT_external_memory_metal v1
VK_EXT_fragment_shader_interlock v1
VK_EXT_hdr_metadata v3
VK_EXT_headless_surface v1
VK_EXT_host_image_copy v1
VK_EXT_host_query_reset v1
VK_EXT_image_2d_view_of_3d v1
VK_EXT_image_robustness v1
VK_EXT_index_type_uint8 v1
VK_EXT_inline_uniform_block v1
VK_EXT_layer_settings v2
VK_EXT_load_store_op_none v1
VK_EXT_memory_budget v1
VK_EXT_metal_objects v2
VK_EXT_metal_surface v1
VK_EXT_pipeline_creation_cache_control v3
VK_EXT_pipeline_creation_feedback v1
VK_EXT_pipeline_robustness v1
VK_EXT_post_depth_coverage v1
VK_EXT_private_data v1
VK_EXT_robustness2 v1
VK_EXT_sample_locations v1
VK_EXT_scalar_block_layout v1
VK_EXT_separate_stencil_usage v1
VK_EXT_shader_atomic_float v1
VK_EXT_shader_demote_to_helper_invocation v1
VK_EXT_shader_stencil_export v1
VK_EXT_shader_subgroup_ballot v1
VK_EXT_shader_subgroup_vote v1
VK_EXT_shader_viewport_index_layer v1
VK_EXT_subgroup_size_control v2
VK_EXT_surface_maintenance1 v1
VK_EXT_swapchain_colorspace v5
VK_EXT_swapchain_maintenance1 v1
VK_EXT_texel_buffer_alignment v1
VK_EXT_texture_compression_astc_hdr v1
VK_EXT_tooling_info v1
VK_EXT_vertex_attribute_divisor v3
VK_AMD_gpu_shader_half_float v2
VK_AMD_negative_viewport_height v1
VK_AMD_shader_image_load_store_lod v1
VK_AMD_shader_trinary_minmax v1
VK_IMG_format_pvrtc v1
VK_INTEL_shader_integer_functions2 v1
VK_GOOGLE_display_timing v1
VK_MVK_macos_surface v3
VK_MVK_moltenvk v37
VK_NV_fragment_shader_barycentric v1
[mvk-info] GPU device:
model: Apple M1 Pro
type: Integrated
vendorID: 0x106b
deviceID: 0xf060207
pipelineCacheUUID: 49B97F26-0F06-0207-0000-000100000000
GPU memory available: 10922 MB
GPU memory used: 0 MB
Metal Shading Language 3.1
supports the following GPU Features:
GPU Family Metal 3
GPU Family Apple 7
GPU Family Mac 2
Read-Write Texture Tier 2
[mvk-info] Created VkInstance for Vulkan version 1.0.0, as requested by app, with the following 2 Vulkan extensions enabled:
VK_KHR_external_memory_capabilities v1
VK_KHR_get_physical_device_properties2 v2
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0deb0 (vid 0000, pid 0000): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0cfb0 (vid 05ac, pid 0343): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0da90 (vid 0000, pid 0000): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0cb90 (vid 05ac, pid 0343): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0d670 (vid 05ac, pid 8104): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0e010 (vid 0000, pid 0000): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0d110 (vid 0000, pid 0000): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb09340 (vid 05ac, pid 139e): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0ccf0 (vid 05ac, pid 0343): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0d7d0 (vid 05ac, pid 8104): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0c8d0 (vid 05ac, pid 0343): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0dbf0 (vid 05ac, pid 8104): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0dd50 (vid 0000, pid 0000): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0ce50 (vid 05ac, pid 0343): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0d930 (vid 05ac, pid 8104): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0ca30 (vid 05ac, pid 0343): not a joystick or gamepad
00cc:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7fe53bb0d510 (vid 0000, pid 0000): not a joystick or gamepad
00b0:err:ntoskrnl:ZwLoadDriver failed to create driver L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\winebth": c0000135
003c:fixme:service:scmdatabase_autostart_services Auto-start service L"winebth" failed to start: 126
Please note that LAStools is not "free" (see https://rapidlasso.de/license) 
contact 'info@rapidlasso.de' to clarify licensing terms if needed. 
ERROR: unknown file format. file name '/Users/KenJacobMacbook/QGIS/LiDAR/lyons cutler/first returns' must end in 
*.bil *.asc *.flt *.dtm *.xyz *.img *.png *.jpg *.tif *.csv *.laz 
LAStools las2dem (by info@rapidlasso.de) version 250526 (unlicensed) 
llx/lly unspecified. set to lower left bounding box 677843/2.95147e+06. 
ncols was unspecified. set to 6189. 
nrows was unspecified. set to 4805. 
WKT: compound CS detected 
reading wkt1 [compound] 
source projection [epsg=2249, NAD83 / Massachusetts Mainland (ftUS)] set 
switching kill from 100 meters to 328 feet 
WARNING: unlicensed. over 1.5 million points. inserting black diagonal. 
processing 74051344 points ... 
took 0.605 sec. 
rastering the triangles and outputting ... 
ERROR: cannot open file 'temp.32.00015.tmp' for write in SRbufferRows 

Execution completed in 379.96 seconds (6 minutes 20 seconds)
Results:

Loading resulting layers
Algorithm 'las2dem (file)' finished
QGIS version: 3.42.1-Münster
QGIS code revision: 1fc52835a89
Qt version: 5.15.2
Python version: 3.9.5
GDAL version: 3.3.2
GEOS version: 3.9.1-CAPI-1.14.2
PROJ version: Rel. 8.1.1, September 1st, 2021
PDAL version: 2.3.0 (git-version: Release)
Algorithm started at: 2025-08-20T18:51:09
Algorithm 'las2dem (file)' starting…
Input parameters:
{ 'ADDITIONAL_OPTIONS' : '-demo', 'ATTRIBUTE' : 0, 'FILTER_RETURN_CLASS_FLAGS1' : 7, 'INPUT_LASLAZ' : '/Users/KenJacobMacbook/QGIS/LiDAR/lyons cutler/preserve point cloud 2.laz', 'OUTPUT_RASTER' : '/Users/KenJacobMacbook/QGIS/LiDAR/lyons cutler/ground points', 'PRODUCT' : 0, 'STEP' : 1, 'USE_TILE_BB' : False, 'VERBOSE' : True }

No license file found. Run in demo mode.
LAStools command line
/opt/homebrew/bin/wine /Users/KenJacobMacbook/QGIS/LAStools/bin/las2dem64.exe -demo -i "/Users/KenJacobMacbook/QGIS/LiDAR/lyons cutler/preserve point cloud 2.laz" -keep_class 2 -step 1.0 -demo -v -o "/Users/KenJacobMacbook/QGIS/LiDAR/lyons cutler/ground points"
LAStools console output
[mvk-info] MoltenVK version 1.3.0, supporting Vulkan version 1.3.313.
The following 126 Vulkan extensions are supported:
VK_KHR_16bit_storage v1
VK_KHR_8bit_storage v1
VK_KHR_bind_memory2 v1
VK_KHR_buffer_device_address v1
VK_KHR_calibrated_timestamps v1
VK_KHR_copy_commands2 v1
VK_KHR_create_renderpass2 v1
VK_KHR_dedicated_allocation v3
VK_KHR_deferred_host_operations v4
VK_KHR_depth_stencil_resolve v1
VK_KHR_descriptor_update_template v1
VK_KHR_device_group v4
VK_KHR_device_group_creation v1
VK_KHR_driver_properties v1
VK_KHR_dynamic_rendering v1
VK_KHR_external_fence v1
VK_KHR_external_fence_capabilities v1
VK_KHR_external_memory v1
VK_KHR_external_memory_capabilities v1
VK_KHR_external_semaphore v1
VK_KHR_external_semaphore_capabilities v1
VK_KHR_fragment_shader_barycentric v1
VK_KHR_format_feature_flags2 v2
VK_KHR_get_memory_requirements2 v1
VK_KHR_get_physical_device_properties2 v2
VK_KHR_get_surface_capabilities2 v1
VK_KHR_imageless_framebuffer v1
VK_KHR_image_format_list v1
VK_KHR_incremental_present v2
VK_KHR_index_type_uint8 v1
VK_KHR_load_store_op_none v1
VK_KHR_maintenance1 v2
VK_KHR_maintenance2 v1
VK_KHR_maintenance3 v1
VK_KHR_maintenance4 v2
VK_KHR_maintenance6 v1
VK_KHR_maintenance7 v1
VK_KHR_map_memory2 v1
VK_KHR_multiview v1
VK_KHR_portability_subset v1
VK_KHR_push_descriptor v2
VK_KHR_relaxed_block_layout v1
VK_KHR_sampler_mirror_clamp_to_edge v3
VK_KHR_sampler_ycbcr_conversion v14
VK_KHR_separate_depth_stencil_layouts v1
VK_KHR_shader_draw_parameters v1
VK_KHR_shader_expect_assume v1
VK_KHR_shader_float_controls v4
VK_KHR_shader_float16_int8 v1
VK_KHR_shader_integer_dot_product v1
VK_KHR_shader_non_semantic_info v1
VK_KHR_shader_subgroup_extended_types v1
VK_KHR_shader_subgroup_rotate v2
VK_KHR_shader_terminate_invocation v1
VK_KHR_spirv_1_4 v1
VK_KHR_storage_buffer_storage_class v1
VK_KHR_surface v25
VK_KHR_swapchain v70
VK_KHR_swapchain_mutable_format v1
VK_KHR_synchronization2 v1
VK_KHR_timeline_semaphore v2
VK_KHR_uniform_buffer_standard_layout v1
VK_KHR_variable_pointers v1
VK_KHR_vertex_attribute_divisor v1
VK_KHR_vulkan_memory_model v3
VK_KHR_zero_initialize_workgroup_memory v1
VK_EXT_4444_formats v1
VK_EXT_buffer_device_address v2
VK_EXT_calibrated_timestamps v2
VK_EXT_debug_marker v4
VK_EXT_debug_report v10
VK_EXT_debug_utils v2
VK_EXT_descriptor_indexing v2
VK_EXT_depth_clip_control v1
VK_EXT_extended_dynamic_state v1
VK_EXT_extended_dynamic_state2 v1
VK_EXT_extended_dynamic_state3 v2
VK_EXT_external_memory_host v1
VK_EXT_external_memory_metal v1
VK_EXT_fragment_shader_interlock v1
VK_EXT_hdr_metadata v3
VK_EXT_headless_surface v1
VK_EXT_host_image_copy v1
VK_EXT_host_query_reset v1
VK_EXT_image_2d_view_of_3d v1
VK_EXT_image_robustness v1
VK_EXT_index_type_uint8 v1
VK_EXT_inline_uniform_block v1
VK_EXT_layer_settings v2
VK_EXT_load_store_op_none v1
VK_EXT_memory_budget v1
VK_EXT_metal_objects v2
VK_EXT_metal_surface v1
VK_EXT_pipeline_creation_cache_control v3
VK_EXT_pipeline_creation_feedback v1
VK_EXT_pipeline_robustness v1
VK_EXT_post_depth_coverage v1
VK_EXT_private_data v1
VK_EXT_robustness2 v1
VK_EXT_sample_locations v1
VK_EXT_scalar_block_layout v1
VK_EXT_separate_stencil_usage v1
VK_EXT_shader_atomic_float v1
VK_EXT_shader_demote_to_helper_invocation v1
VK_EXT_shader_stencil_export v1
VK_EXT_shader_subgroup_ballot v1
VK_EXT_shader_subgroup_vote v1
VK_EXT_shader_viewport_index_layer v1
VK_EXT_subgroup_size_control v2
VK_EXT_surface_maintenance1 v1
VK_EXT_swapchain_colorspace v5
VK_EXT_swapchain_maintenance1 v1
VK_EXT_texel_buffer_alignment v1
VK_EXT_texture_compression_astc_hdr v1
VK_EXT_tooling_info v1
VK_EXT_vertex_attribute_divisor v3
VK_AMD_gpu_shader_half_float v2
VK_AMD_negative_viewport_height v1
VK_AMD_shader_image_load_store_lod v1
VK_AMD_shader_trinary_minmax v1
VK_IMG_format_pvrtc v1
VK_INTEL_shader_integer_functions2 v1
VK_GOOGLE_display_timing v1
VK_MVK_macos_surface v3
VK_MVK_moltenvk v37
VK_NV_fragment_shader_barycentric v1
[mvk-info] GPU device:
model: Apple M1 Pro
type: Integrated
vendorID: 0x106b
deviceID: 0xf060207
pipelineCacheUUID: 49B97F26-0F06-0207-0000-000100000000
GPU memory available: 10922 MB
GPU memory used: 0 MB
Metal Shading Language 3.1
supports the following GPU Features:
GPU Family Metal 3
GPU Family Apple 7
GPU Family Mac 2
Read-Write Texture Tier 2
[mvk-info] Created VkInstance for Vulkan version 1.0.0, as requested by app, with the following 2 Vulkan extensions enabled:
VK_KHR_external_memory_capabilities v1
VK_KHR_get_physical_device_properties2 v2
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d70caf0 (vid 05ac, pid 139e): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d70fa60 (vid 05ac, pid 8104): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d710400 (vid 0000, pid 0000): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d70f500 (vid 0000, pid 0000): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d70ffe0 (vid 05ac, pid 8104): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d70f0e0 (vid 05ac, pid 0343): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d70fbc0 (vid 05ac, pid 8104): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d710140 (vid 0000, pid 0000): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d70f240 (vid 05ac, pid 0343): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d70fd20 (vid 05ac, pid 8104): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d70ee20 (vid 05ac, pid 0343): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d70f900 (vid 0000, pid 0000): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d70ea00 (vid 05ac, pid 0343): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d7102a0 (vid 0000, pid 0000): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d70f3a0 (vid 05ac, pid 0343): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d70fe80 (vid 0000, pid 0000): not a joystick or gamepad
00d4:err:hid:handle_DeviceMatchingCallback Ignoring HID device 0x7f8d1d70ef80 (vid 05ac, pid 0343): not a joystick or gamepad
00b0:err:ntoskrnl:ZwLoadDriver failed to create driver L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\winebth": c0000135
003c:fixme:service:scmdatabase_autostart_services Auto-start service L"winebth" failed to start: 126
Please note that LAStools is not "free" (see https://rapidlasso.de/license) 
contact 'info@rapidlasso.de' to clarify licensing terms if needed. 
ERROR: unknown file format. file name '/Users/KenJacobMacbook/QGIS/LiDAR/lyons cutler/ground points' must end in 
*.bil *.asc *.flt *.dtm *.xyz *.img *.png *.jpg *.tif *.csv *.laz 
LAStools las2dem (by info@rapidlasso.de) version 250526 (unlicensed) 
llx/lly unspecified. set to lower left bounding box 677843/2.95147e+06. 
ncols was unspecified. set to 6189. 
nrows was unspecified. set to 4805. 
WKT: compound CS detected 
reading wkt1 [compound] 
source projection [epsg=2249, NAD83 / Massachusetts Mainland (ftUS)] set 
switching kill from 100 meters to 328 feet 
WARNING: unlicensed. over 1.5 million points. inserting black diagonal. 
processing 74051344 points ... 
took 0.493 sec. 
rastering the triangles and outputting ... 
ERROR: cannot open file 'temp.32.00060.tmp' for write in SRbufferRows 

Execution completed in 181.98 seconds (3 minutes 2 seconds)
Results:

Loading resulting layers
Algorithm 'las2dem (file)' finished