def open_and_display_file(self, fpath, ftype=None):
self.set_wait_cursor()
progress_dialog_read = None
progress_dialog_load = None
success = True
try:
self.update_recent_files(fpath, ftype)
self.model_file = ModelFile(fpath, ftype)
self.scene = Scene(self.window)
progress_dialog_read = ProgressDialog('Reading file...')
model, model_data = self.model_file.read(progress_dialog_read.step)
progress_dialog_load = ProgressDialog('Loading model...')
model.load_data(model_data, progress_dialog_load.step)
self.scene.clear()
self.scene.add_model(model)
if self.model_file.filetype == 'gcode':
offset_x = self.config.read('machine.platform_offset_x', float)
offset_y = self.config.read('machine.platform_offset_y', float)
offset_z = self.config.read('machine.platform_offset_z', float)
if offset_x is None and offset_y is None and offset_z is None:
self.scene.view_model_center()
logging.info(
'Platform offsets not set, showing model in the center'
)
else:
model.offset_x = offset_x if offset_x is not None else 0
model.offset_y = offset_y if offset_y is not None else 0
model.offset_z = offset_z if offset_z is not None else 0
logging.info(
'Using platform offsets: (%s, %s, %s)' %
(model.offset_x, model.offset_y, model.offset_z))
# platform needs to be added last to be translucent
platform_w = self.config.read('machine.platform_w', float)
platform_d = self.config.read('machine.platform_d', float)
platform = Platform(platform_w, platform_d)
self.scene.add_supporting_actor(platform)
self.panel = self.create_panel()
# update panel to reflect new model properties
self.panel.set_initial_values()
self.panel.connect_handlers()
# always start with the same view on the scene
self.scene.reset_view(True)
if self.model_file.filetype == 'gcode':
self.scene.mode_2d = bool(self.config.read('ui.gcode_2d', int))
else:
self.scene.mode_2d = False
if hasattr(self.panel, 'set_3d_view'):
self.panel.set_3d_view(not self.scene.mode_2d)
self.window.set_file_widgets(self.scene, self.panel)
self.window.filename = self.model_file.basename
self.window.file_modified = False
self.window.menu_enable_file_items(
self.model_file.filetype != 'gcode')
if self.model_file.size > 2**30:
size = self.model_file.size / 2**30
units = 'GB'
elif self.model_file.size > 2**20:
size = self.model_file.size / 2**20
units = 'MB'
elif self.model_file.size > 2**10:
size = self.model_file.size / 2**10
units = 'KB'
else:
size = self.model_file.size
units = 'B'
vertex_plural = 'vertex' if int(str(
model.vertex_count)[-1]) == 1 else 'vertices'
self.window.update_status(' %s (%.1f%s, %d %s)' %
(self.model_file.basename, size, units,
model.vertex_count, vertex_plural))
except IOError, e:
self.set_normal_cursor()
error_dialog = OpenErrorAlert(fpath, e.strerror)
error_dialog.show()
success = False
