Reorganize package structure and add gltfpack as a compression option.

glue_ar/__init__.py

@@ -1,33 +1,41 @@
-from glue_ar.export_scatter import *  # noqa
-from glue_ar.export_volume import *  # noqa
-from glue_ar.tools import *  # noqa
+from glue_ar.common.scatter_export_options import *  # noqa
+from glue_ar.common.volume_export_options import *  # noqa
 
 
 def setup_qt():
     try:
         from glue_vispy_viewers.scatter.qt.scatter_viewer import VispyScatterViewer
     except ImportError:
         from glue_vispy_viewers.scatter.scatter_viewer import VispyScatterViewer
-    VispyScatterViewer.tools = [t for t in VispyScatterViewer.tools] + ["ar"]
+
+    from glue_ar.qt.export_tool import QtARExportTool  # noqa
+
     VispyScatterViewer.subtools = {
         **VispyScatterViewer.subtools,
         "save": VispyScatterViewer.subtools["save"] + ["save:ar"]
     }
-    VispyScatterViewer.subtools["ar"] = ["ar:qr"]
 
     try:
         from glue_vispy_viewers.volume.qt.volume_viewer import VispyVolumeViewer
     except ImportError:
         from glue_vispy_viewers.volume.volume_viewer import VispyVolumeViewer
-    VispyVolumeViewer.tools = [t for t in VispyVolumeViewer.tools] + ["ar"]
     VispyVolumeViewer.subtools = {
         **VispyVolumeViewer.subtools,
         "save": VispyVolumeViewer.subtools["save"] + ["save:ar"]
     }
-    VispyVolumeViewer.subtools["ar"] = ["ar:qr"]
+
+    try:
+        from glue_ar.qt.qr_tool import ARLocalQRTool  # noqa
+        VispyScatterViewer.tools = [t for t in VispyScatterViewer.tools] + ["ar"]
+        VispyVolumeViewer.tools = [t for t in VispyVolumeViewer.tools] + ["ar"]
+        VispyScatterViewer.subtools["ar"] = ["ar:qr"]
+        VispyVolumeViewer.subtools["ar"] = ["ar:qr"]
+    except ImportError:
+        pass
 
 
 def setup_jupyter():
+    from glue_ar.jupyter.export_tool import JupyterARExportTool  # noqa
     from glue_vispy_viewers.scatter.jupyter import JupyterVispyScatterViewer
     from glue_vispy_viewers.volume.jupyter import JupyterVispyVolumeViewer
     JupyterVispyScatterViewer.tools = [t for t in JupyterVispyScatterViewer.tools] + ["save:ar_jupyter"]
@@ -37,10 +45,14 @@ def setup_jupyter():
 def setup():
     try:
         setup_qt()
-    except ImportError:
+    except ImportError as e:
+        print("Qt setup error")
+        print(e)
         pass
 
     try:
         setup_jupyter()
-    except ImportError:
+    except ImportError as e:
+        print("Jupyter setup error")
+        print(e)
         pass

glue_ar/export.py → glue_ar/common/export.py

@@ -8,14 +8,17 @@
 from glue_vispy_viewers.scatter.scatter_viewer import Vispy3DScatterViewerState
 from glue_vispy_viewers.volume.layer_state import VolumeLayerState
 
-from glue_ar.scatter import scatter_layer_as_multiblock
+from glue_ar.common.scatter import scatter_layer_as_multiblock
 from glue_ar.utils import bounds_3d_from_layers, xyz_bounds
-from glue_ar.volume import bounds_3d, meshes_for_volume_layer
+from glue_ar.common.volume import bounds_3d, meshes_for_volume_layer
 
 
-GLTF_PIPELINE_FILEPATH = join(dirname(abspath(__file__)), "js",
-                              "node_modules", "gltf-pipeline",
-                              "bin", "gltf-pipeline.js")
+NODE_MODULES_DIR = join(abspath(join(dirname(abspath(__file__)), "..")),
+                        "js", "node_modules")
+
+
+GLTF_PIPELINE_FILEPATH = join(NODE_MODULES_DIR, "gltf-pipeline", "bin", "gltf-pipeline.js")
+GLTFPACK_FILEPATH = join(NODE_MODULES_DIR, "gltfpack", "cli.js")
 
 
 def export_meshes(meshes, output_path):
@@ -32,10 +35,27 @@ def export_meshes(meshes, output_path):
         raise ValueError("Unsupported extension!")
 
 
-def compress_gl(filepath):
+def compress_gltf_pipeline(filepath):
     run(["node", GLTF_PIPELINE_FILEPATH, "-i", filepath, "-o", filepath, "-d"], capture_output=True)
 
 
+def compress_gltfpack(filepath):
+    run(["node", GLTFPACK_FILEPATH, "-i", filepath, "-o", filepath], capture_output=True)
+
+
+COMPRESSORS = {
+    "draco": compress_gltf_pipeline,
+    "meshoptimizer": compress_gltfpack
+}
+
+
+def compress_gl(filepath, method="draco"):
+    compressor = COMPRESSORS.get(method, None)
+    if compressor is None:
+        raise ValueError("Invalid compression method specified")
+    compressor(filepath)
+
+
 def export_gl_by_extension(exporter, filepath):
     _, ext = splitext(filepath)
     if ext == ".glb":
@@ -52,7 +72,7 @@ def export_gl_by_extension(exporter, filepath):
 # matters into our own hands.
 # We want alphaMode as BLEND
 # see https://registry.khronos.org/glTF/specs/2.0/glTF-2.0.html#alpha-coverage
-def export_gl(plotter, filepath, with_alpha=True, compress=True):
+def export_gl(plotter, filepath, with_alpha=True, compression="draco"):
     path, ext = splitext(filepath)
     gltf_path = filepath
     glb = ext == ".glb"
@@ -66,8 +86,8 @@ def export_gl(plotter, filepath, with_alpha=True, compress=True):
         for material in gl.model.materials:
             material.alphaMode = "BLEND"
     export_gl_by_extension(gl, filepath)
-    if compress:
-        compress_gl(filepath)
+    if compression != "none":
+        compress_gl(filepath, method=compression)
     if glb:
         remove(gltf_path)
 
@@ -212,15 +232,13 @@ def create_plotter(viewer, state_dictionary):
     return plotter
 
 
-def export_to_ar(viewer, filepath, state_dict, compress=True):
+def export_to_ar(viewer, filepath, state_dict, compression="draco"):
     dir, base = split(filepath)
     name, ext = splitext(base)
     plotter = create_plotter(viewer, state_dict)
     html_path = join(dir, f"{name}.html")
     if ext in [".gltf", ".glb"]:
-        export_gl(plotter, filepath, with_alpha=True, compress=compress)
-        if compress:
-            compress_gl(filepath)
+        export_gl(plotter, filepath, with_alpha=True, compression=compression)
         export_modelviewer(html_path, base, viewer.state.title)
     else:
         plotter.export_obj(filepath)

glue_ar/common/export_state.py

@@ -0,0 +1,44 @@
+from echo import SelectionCallbackProperty
+from glue.config import DictRegistry
+from glue.core.data_combo_helper import ComboHelper
+from glue.core.state_objects import State
+
+
+__all__ = ['ar_layer_export']
+
+
+class ARExportLayerOptionsRegistry(DictRegistry):
+
+    def add(self, layer_state_cls, layer_options_state):
+        if not issubclass(layer_options_state, State):
+            raise ValueError("Layer options must be a glue State type")
+        self._members[layer_state_cls] = layer_options_state
+
+    def __call__(self, layer_state_cls):
+        def adder(export_state_class):
+            self.add(layer_state_cls, export_state_class)
+        return adder
+
+
+ar_layer_export = ARExportLayerOptionsRegistry()
+
+
+class ARExportDialogState(State):
+
+    filetype = SelectionCallbackProperty()
+    layer = SelectionCallbackProperty()
+    compression = SelectionCallbackProperty(True)
+
+    def __init__(self, layers):
+
+        super(ARExportDialogState, self).__init__()
+
+        self.filetype_helper = ComboHelper(self, 'filetype')
+        self.filetype_helper.choices = ['glTF', 'glB', 'OBJ']
+
+        self.compression_helper = ComboHelper(self, 'compression')
+        self.compression_helper.choices = ['None', 'Draco', 'Meshoptimizer']
+
+        self.layers = layers
+        self.layer_helper = ComboHelper(self, 'layer')
+        self.layer_helper.choices = [state.layer.label for state in self.layers]

glue_ar/export_scatter.py → glue_ar/common/scatter_export_options.py

@@ -1,6 +1,6 @@
 from echo import CallbackProperty
 from glue.core.state_objects import State
-from glue_ar.export_dialog import ar_layer_export
+from glue_ar.common.export_state import ar_layer_export
 from glue_vispy_viewers.scatter.layer_state import ScatterLayerState
 
 __all__ = ["ARScatterExportOptions"]

glue_ar/export_volume.py → glue_ar/common/volume_export_options.py

@@ -1,6 +1,6 @@
 from echo import CallbackProperty
 from glue.core.state_objects import State
-from glue_ar.export_dialog import ar_layer_export
+from glue_ar.common.export_state import ar_layer_export
 from glue_vispy_viewers.volume.layer_state import VolumeLayerState
 
 __all__ = ["ARVolumeExportOptions"]

glue_ar/tools/jupyter.py → glue_ar/jupyter/export_tool.py

@@ -1,11 +1,11 @@
-import os
 from os import getcwd
 from os.path import exists
 
 from glue.config import viewer_tool
 from glue.viewers.common.tool import Tool
 
-from glue_ar.export import export_to_ar
+from glue_ar.common.export import export_to_ar
+from glue_ar.utils import AR_ICON
 
 import ipyvuetify as v  # noqa
 from ipywidgets import HBox, Layout  # noqa
@@ -15,9 +15,6 @@
 __all__ = ["JupyterARExportTool"]
 
 
-AR_ICON = os.path.abspath(os.path.join(os.path.dirname(__file__), "ar"))
-
-
 @viewer_tool
 class JupyterARExportTool(Tool):
     icon = AR_ICON
@@ -92,4 +89,4 @@ def on_no_click(button, event, data):
             self.viewer.output_widget.clear_output()
 
     def save_figure(self, filepath):
-        export_to_ar(self.viewer, filepath, state_dict={}, compress=True)
+        export_to_ar(self.viewer, filepath, state_dict={}, compression="draco")

glue_ar/export_dialog.py → glue_ar/qt/export_dialog.py

@@ -1,58 +1,21 @@
 import os
 
-from echo import CallbackProperty, SelectionCallbackProperty
 from echo.qt import autoconnect_callbacks_to_qt, connect_checkable_button, connect_float_text
-
-from glue.config import DictRegistry
-from glue.core.data_combo_helper import ComboHelper
-from glue.core.state_objects import State
 from glue_qt.utils import load_ui
 
+from glue_ar.common.export_state import ARExportDialogState, ar_layer_export
+
 from qtpy.QtWidgets import QCheckBox, QDialog, QHBoxLayout, QLabel, QLineEdit
 from qtpy.QtGui import QIntValidator, QDoubleValidator
 
 
-__all__ = ['ar_layer_export', 'ARExportDialog']
+__all__ = ['ARExportDialog']
 
 
 def display_name(prop):
     return prop.replace("_", " ").capitalize()
 
 
-class ARExportLayerOptionsRegistry(DictRegistry):
-
-    def add(self, layer_state_cls, layer_options_state):
-        if not issubclass(layer_options_state, State):
-            raise ValueError("Layer options must be a glue State type")
-        self._members[layer_state_cls] = layer_options_state
-
-    def __call__(self, layer_state_cls):
-        def adder(export_state_class):
-            self.add(layer_state_cls, export_state_class)
-        return adder
-
-
-ar_layer_export = ARExportLayerOptionsRegistry()
-
-
-class ARExportDialogState(State):
-
-    filetype = SelectionCallbackProperty()
-    layer = SelectionCallbackProperty()
-    draco = CallbackProperty(True)
-
-    def __init__(self, layers):
-
-        super(ARExportDialogState, self).__init__()
-
-        self.filetype_helper = ComboHelper(self, 'filetype')
-        self.filetype_helper.choices = ['glTF', 'glB', 'OBJ']
-
-        self.layers = layers
-        self.layer_helper = ComboHelper(self, 'layer')
-        self.layer_helper.choices = [state.layer.label for state in self.layers]
-
-
 class ARExportDialog(QDialog):
 
     def __init__(self, parent=None, viewer=None):
@@ -99,6 +62,8 @@ def _widgets_for_property(self, instance, property, display_name):
             widget.setValidator(validator)
             self._layer_connections.append(connect_float_text(instance, property, widget))
             return [label, widget]
+        else:
+            return []
 
     def _clear_layout(self, layout):
         if layout is not None:
@@ -127,4 +92,4 @@ def _update_layer_ui(self, layer):
 
     def _on_filetype_change(self, filetype):
         gl = filetype.lower() in ["gltf", "glb"]
-        self.ui.bool_draco.setVisible(gl)
+        self.ui.combosel_compression.setVisible(gl)

glue_ar/export_dialog.ui → glue_ar/qt/export_dialog.ui

@@ -14,30 +14,30 @@
    <string>Export 3D Volume</string>
   </property>
   <layout class="QGridLayout" name="gridLayout">
-   <item row="7" column="0">
-    <widget class="QCheckBox" name="bool_draco">
+   <item row="3" column="0">
+    <widget class="QListWidget" name="listsel_layer"/>
+   </item>
+   <item row="2" column="0">
+    <widget class="QLabel" name="label_settings_message">
      <property name="text">
-      <string>Use Draco compression</string>
+      <string>Set the export settings for each layer</string>
      </property>
     </widget>
    </item>
-   <item row="6" column="0">
-    <widget class="QComboBox" name="combosel_filetype"/>
-   </item>
-   <item row="3" column="0">
-    <widget class="QListWidget" name="listsel_layer"/>
-   </item>
    <item row="5" column="0">
     <widget class="QLabel" name="label_filetype_message">
      <property name="text">
       <string>Select the export filetype</string>
      </property>
     </widget>
    </item>
-   <item row="2" column="0">
-    <widget class="QLabel" name="label_settings_message">
+   <item row="6" column="0">
+    <widget class="QComboBox" name="combosel_filetype"/>
+   </item>
+   <item row="7" column="0">
+    <widget class="QLabel" name="label_compression_message">
      <property name="text">
-      <string>Set the export settings for each layer</string>
+      <string>Select compression method</string>
      </property>
     </widget>
    </item>
@@ -83,6 +83,9 @@
    <item row="4" column="0">
     <layout class="QFormLayout" name="layer_layout"/>
    </item>
+   <item row="8" column="0">
+    <widget class="QComboBox" name="combosel_compression"/>
+   </item>
   </layout>
  </widget>
  <resources/>