| |
- PyDVT.Filter.Filter
-
- DataSelection
-
- LineSelection
- OrthoLineSelection
-
- XYOrthoLineSelection
- PointSelection
- RectSelection
-
- MultiPageRectSelection
- XYRectSelection
class DataSelection(PyDVT.Filter.Filter) |
|
DataSelection base class.
This is a Filter derived class that has an Data object as source.
This base class implements GetOutput that manages retrieving and assembling
data from different pages, and can be used by derived classes to perform more
complex operations. |
|
- DataChanged(self, (source, page_list))
- Data change event.
Verifies if pages the selection have been changed and if so calls derived DataChange
- DataCoord2SelectionCoord(self, data_coord)
- Implements convertion from data coordinates to selection coordinates.
Must be overriden, since data selections are filters with Data object as sources.
(default implementation doesn't work)
Up to derived classes.
- Destroy(self, source=None) from PyDVT.Filter.Filter
- GetData(self) from PyDVT.Filter.Filter
- GetDataSelection(self) from PyDVT.Filter.Filter
- GetInfo(self)
- Returns a dictionary with initialization parameters for this data selection.
Can Used by views to retrieve data page's info (through "index_list")
Can be overriden if other information is needed.
- GetInput(self) from PyDVT.Filter.Filter
- GetOutput(self)
- Returns a dictionary, selection over source Data object, based on initialization parameters:
position,size,index_list and dimentions.
This method takes an multi-dimentional orthogonal slice from a given number of pages.
Keys:
"data": NumPy array
If no selection or error happens returns {}
- GetSource(self) from PyDVT.Filter.Filter
- Reconfig(self, position=None, size=None, index_list=None)
- Change position parameters and generates a refresh
Parameters:
position: if not None changes position property (see __init__)
size= if not None changes size property (see __init__)
index_list= if not None changes index_list property (see __init__)
- Refresh(self) from PyDVT.Filter.Filter
- SelectionCoord2DataCoord(self, selection_coord)
- Implements convertion from selection coordinates to data coordinates.
Must be overriden, since data selections are filters with Data object as sources.
(default implementation doesn't work)
Up to derived classes.
- SetSynchronized(self, synchronized) from PyDVT.Filter.Filter
- __init__(self, source=None, position=None, size=None, index_list=None, dimentions=None, synchronized=1)
- Parameters:
source= source Data object
position= initial coordinates (a tuple (x,),(x,y) or (x,y,z), according to the dimention of the page)
size= size of the slice (a tuple (x,),(x,y) or (x,y,z), according to the dimention of the page)
index_list= page or list of the pages to take the selection on (if None, takes page=0)
Each index can be either an integer meaning the sequencial position of the page
or a dictionary that logically index the page based on keys of
the page's Info dictionary.
dimentions= If declared, try to force the number of dimentions of the returned selection
synchronized: See Filter.__init__
|
class LineSelection(DataSelection) |
|
Generic line data selection |
|
- DataChanged(self, (source, page_list)) from DataSelection
- DataCoord2SelectionCoord(self, data_coord) from DataSelection
- Destroy(self, source=None) from PyDVT.Filter.Filter
- GetData(self) from PyDVT.Filter.Filter
- GetDataSelection(self) from PyDVT.Filter.Filter
- GetInfo(self) from DataSelection
- GetInput(self) from PyDVT.Filter.Filter
- GetOutput(self)
- See DataSelection.GetOutput
- GetSource(self) from PyDVT.Filter.Filter
- Reconfig(self, begin=None, end=None, index_list=None)
- Change position parameters and generates a refresh
Parameters:
position: if not None changes position property (see __init__)
size= if not None changes size property (see __init__)
index_list= if not None changes index_list property (see __init__)
- Refresh(self) from PyDVT.Filter.Filter
- SelectionCoord2DataCoord(self, selection_coord) from DataSelection
- SetSynchronized(self, synchronized) from PyDVT.Filter.Filter
- __init__(self, source=None, begin=None, end=None, page=None, synchronized=1)
- See DataSelection.__init__
|
class MultiPageRectSelection(RectSelection) |
|
Simple rectangle data selection .
This RectSelection derived class allows ViewSelect object
to draw over views displaying different pages
(doesn't mind page to perform DataCoord2SelectionCoord) |
|
- DataChanged(self, (source, page_list)) from DataSelection
- DataCoord2SelectionCoord(self, data_coord)
- See DataSelection.DataCoord2SelectionCoord
- Destroy(self, source=None) from PyDVT.Filter.Filter
- GetData(self) from PyDVT.Filter.Filter
- GetDataSelection(self) from PyDVT.Filter.Filter
- GetInfo(self) from DataSelection
- GetInput(self) from PyDVT.Filter.Filter
- GetOutput(self) from DataSelection
- GetSource(self) from PyDVT.Filter.Filter
- Reconfig(self, position=None, size=None, index_list=None) from DataSelection
- Refresh(self) from PyDVT.Filter.Filter
- SelectionCoord2DataCoord(self, selection_coord) from RectSelection
- SetSynchronized(self, synchronized) from PyDVT.Filter.Filter
- __init__(self, source=None, position=None, size=None, page=None, synchronized=1) from RectSelection
|
class OrthoLineSelection(DataSelection) |
|
Simple orthogonal line data selection |
|
- DataChanged(self, (source, page_list)) from DataSelection
- DataCoord2SelectionCoord(self, data_coord) from DataSelection
- Destroy(self, source=None) from PyDVT.Filter.Filter
- GetData(self) from PyDVT.Filter.Filter
- GetDataSelection(self) from PyDVT.Filter.Filter
- GetInfo(self) from DataSelection
- GetInput(self) from PyDVT.Filter.Filter
- GetOutput(self) from DataSelection
- GetSource(self) from PyDVT.Filter.Filter
- Reconfig(self, position=None, size=None, index_list=None) from DataSelection
- Refresh(self) from PyDVT.Filter.Filter
- SelectionCoord2DataCoord(self, selection_coord) from DataSelection
- SetSynchronized(self, synchronized) from PyDVT.Filter.Filter
- __init__(self, source=None, position=None, size=None, page=None, synchronized=1)
- See DataSelection.__init__
|
class PointSelection(DataSelection) |
|
Simple point selection |
|
- DataChanged(self, (source, page_list)) from DataSelection
- DataCoord2SelectionCoord(self, data_coord) from DataSelection
- Destroy(self, source=None) from PyDVT.Filter.Filter
- GetData(self) from PyDVT.Filter.Filter
- GetDataSelection(self) from PyDVT.Filter.Filter
- GetInfo(self) from DataSelection
- GetInput(self) from PyDVT.Filter.Filter
- GetOutput(self)
- See DataSelection.GetOutput
- GetSource(self) from PyDVT.Filter.Filter
- Reconfig(self, position=None, size=None, index_list=None) from DataSelection
- Refresh(self) from PyDVT.Filter.Filter
- SelectionCoord2DataCoord(self, selection_coord) from DataSelection
- SetSynchronized(self, synchronized) from PyDVT.Filter.Filter
- __init__(self, source=None, position=None)
- See DataSelection.__init__
|
class RectSelection(DataSelection) |
|
Simple rectangle data selection |
|
- DataChanged(self, (source, page_list)) from DataSelection
- DataCoord2SelectionCoord(self, data_coord)
- See DataSelection.DataCoord2SelectionCoord
- Destroy(self, source=None) from PyDVT.Filter.Filter
- GetData(self) from PyDVT.Filter.Filter
- GetDataSelection(self) from PyDVT.Filter.Filter
- GetInfo(self) from DataSelection
- GetInput(self) from PyDVT.Filter.Filter
- GetOutput(self) from DataSelection
- GetSource(self) from PyDVT.Filter.Filter
- Reconfig(self, position=None, size=None, index_list=None) from DataSelection
- Refresh(self) from PyDVT.Filter.Filter
- SelectionCoord2DataCoord(self, selection_coord)
- See DataSelection.SelectionCoord2DataCoord
- SetSynchronized(self, synchronized) from PyDVT.Filter.Filter
- __init__(self, source=None, position=None, size=None, page=None, synchronized=1)
- See DataSelection.__init__
|
class XYOrthoLineSelection(OrthoLineSelection) |
|
Orthogonal line data selection with xdata.
Data changed events are rised just if ydata change.
If xdata selection is not valid, GetOutput returns {} |
|
- DataChanged(self, (source, page_list)) from DataSelection
- DataCoord2SelectionCoord(self, data_coord) from DataSelection
- Destroy(self, source=None) from PyDVT.Filter.Filter
- GetData(self) from PyDVT.Filter.Filter
- GetDataSelection(self) from PyDVT.Filter.Filter
- GetInfo(self) from DataSelection
- GetInput(self) from PyDVT.Filter.Filter
- GetOutput(self)
- See DataSelection.GetOutput
- GetSource(self) from PyDVT.Filter.Filter
- Reconfig(self, position=None, size=None, index_list=None) from DataSelection
- Refresh(self) from PyDVT.Filter.Filter
- SelectionCoord2DataCoord(self, selection_coord) from DataSelection
- SetSynchronized(self, synchronized) from PyDVT.Filter.Filter
- __init__(self, source=None, position=None, size=None, page=None, xposition=None, xsize=None, xpage=None, synchronized=1)
- See DataSelection.__init__
|
class XYRectSelection(RectSelection) |
|
Rectangle derived class thar includes "xdata" and "ydata" in output
based in position and size of the selection. |
|
- DataChanged(self, (source, page_list)) from DataSelection
- DataCoord2SelectionCoord(self, data_coord) from RectSelection
- Destroy(self, source=None) from PyDVT.Filter.Filter
- GetData(self) from PyDVT.Filter.Filter
- GetDataSelection(self) from PyDVT.Filter.Filter
- GetInfo(self) from DataSelection
- GetInput(self) from PyDVT.Filter.Filter
- GetOutput(self)
- See DataSelection.GetOutput
- GetSource(self) from PyDVT.Filter.Filter
- Reconfig(self, position=None, size=None, index_list=None) from DataSelection
- Refresh(self) from PyDVT.Filter.Filter
- SelectionCoord2DataCoord(self, selection_coord) from RectSelection
- SetSynchronized(self, synchronized) from PyDVT.Filter.Filter
- __init__(self, source=None, position=None, size=None, page=None, synchronized=1) from RectSelection
| |