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[file_handler] add best xdim, suggested plotter to item Description

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This commit is contained in:
Jan Grewe 2021-01-17 23:53:12 +01:00
parent b388c7c68c
commit d2e58b9a6f
3 changed files with 77 additions and 24 deletions
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22
nixview/file_utils.py
View File

@ -1,29 +1,7 @@
import nixio as nix import nixio as nix
def guess_best_xdim(array):
data_extent = array.shape
if len(data_extent) > 2:
print("Cannot handle more than 2D, sorry!")
if len(data_extent) == 1:
return 0
d1 = array.dimensions[0]
d2 = array.dimensions[1]
if d1.dimension_type == nix.DimensionType.Sample:
return 0
elif d2.dimension_type == nix.DimensionType.Sample:
return 1
else:
if (d1.dimension_type == nix.DimensionType.Set) and \
(d2.dimension_type == nix.DimensionType.Range):
return 1
elif (d1.dimension_type == nix.DimensionType.Range) and \
(d2.dimension_type == nix.DimensionType.Set):
return 0
else:
return 0
def suggested_plotter(array): def suggested_plotter(array):

2
nixview/util/descriptors.py
View File

@ -17,6 +17,8 @@ class ItemDescriptor():
self.source_id = source_id self.source_id = source_id
self.created_at = None self.created_at = None
self.updated_at = None self.updated_at = None
self.best_xdim = None
self.suggested_plotter = None
def to_html(self): def to_html(self):
descr = "<html><h4>%s: %s</h4>" % (self.type, self.name) descr = "<html><h4>%s: %s</h4>" % (self.type, self.name)

77
nixview/util/file_handler.py
View File

@ -1,9 +1,10 @@
from nixview.file_utils import suggested_plotter
import os import os
import nixio as nix import nixio as nix
import numpy as np import numpy as np
from nixview.util.descriptors import FileDescriptor, ItemDescriptor from nixview.util.descriptors import FileDescriptor, ItemDescriptor
from nixview.util.enums import NodeType from nixview.util.enums import NodeType, PlotterTypes
@ -197,6 +198,8 @@ class FileHandler(metaclass=Singleton):
infos.append(itd) infos.append(itd)
if entity_type == NodeType.DataArray: if entity_type == NodeType.DataArray:
itd.value = "%s %s entries" % (str(e.shape), e.dtype) itd.value = "%s %s entries" % (str(e.shape), e.dtype)
itd.best_xdim = self.guess_best_xdim(e)
itd.suggested_plotter = self.suggested_plotter(e)
elif entity_type == NodeType.Tag: elif entity_type == NodeType.Tag:
point_or_segment = "segment" if e.extent else "point" point_or_segment = "segment" if e.extent else "point"
start = str(e.position) start = str(e.position)
@ -285,4 +288,74 @@ class FileHandler(metaclass=Singleton):
sources = [] sources = []
for src in srcs: for src in srcs:
sources.extend(get_subsources(src)) sources.extend(get_subsources(src))
return sources return sources
def guess_best_xdim(self, array):
data_extent = array.shape
if len(data_extent) > 2:
print("Cannot handle more than 2D, sorry!")
return None
if len(data_extent) == 1:
return 0
d1 = array.dimensions[0]
d2 = array.dimensions[1]
if d1.dimension_type == nix.DimensionType.Sample:
return 0
elif d2.dimension_type == nix.DimensionType.Sample:
return 1
else:
if (d1.dimension_type == nix.DimensionType.Set) and \
(d2.dimension_type == nix.DimensionType.Range):
return 1
elif (d1.dimension_type == nix.DimensionType.Range) and \
(d2.dimension_type == nix.DimensionType.Set):
return 0
else:
return 0
def suggested_plotter(self, array):
if len(array.dimensions) > 3:
print("cannot handle more than 3D")
return None
dim_types = [d.dimension_type for d in array.dimensions]
dim_count = len(dim_types)
if dim_count == 1:
if dim_types[0] == nix.DimensionType.Sample:
return PlotterTypes.LinePlotter
elif dim_types[0] == nix.DimensionType.Range:
if array.dimensions[0].is_alias:
return PlotterTypes.EventPlotter
else:
return PlotterTypes.LinePlotter
elif dim_types[0] == nix.DimensionType.Set:
return PlotterTypes.CategoryPlotter
else:
return None
elif dim_count == 2:
if dim_types[0] == nix.DimensionType.Sample:
if dim_types[1] == nix.DimensionType.Sample or \
dim_types[1] == nix.DimensionType.Range:
return PlotterTypes.ImagePlotter
else:
return PlotterTypes.LinePlotter
elif dim_types[0] == nix.DimensionType.Range:
if dim_types[1] == nix.DimensionType.Sample or \
dim_types[1] == nix.DimensionType.Range:
return PlotterTypes.ImagePlotter
else:
return PlotterTypes.LinePlotter
elif dim_types[0] == nix.DimensionType.Set:
if dim_types[1] == nix.DimensionType.Sample or \
dim_types[1] == nix.DimensionType.Range:
return PlotterTypes.LinePlotter
else:
return PlotterTypes.CategoryPlotter
else:
print("Sorry, not a supported combination of dimensions!")
return None
elif dim_count == 3:
return PlotterTypes.ImagePlotter
else:
return None