### Get Presentation

Source: https://reference.aspose.com/slides/python-net/aspose.slides/ibackground/presentation

This example demonstrates how to retrieve the presentation object from a background object.

```APIDOC
## presentation property

### Description
Gets the presentation the object is attached to.

### Syntax
```python
@property
def presentation(self):
    ... 
```

### Return Value
IPresentation: The presentation the object is attached to.
```

--------------------------------

### Get Reflection Start Opacity

Source: https://reference.aspose.com/slides/python-net/aspose.slides.effects/ireflectioneffectivedata/start_reflection_opacity

Demonstrates how to access the start_reflection_opacity property to retrieve the starting opacity of a reflection effect. This property is read-only and returns a float value representing percentages.

```python
copy
@property
def start_reflection_opacity(self):
    ...
```

--------------------------------

### Get or Set Height

Source: https://reference.aspose.com/slides/python-net/aspose.slides/igroupshape/height

This example demonstrates how to get and set the height of an IGroupShape.

```APIDOC
## height property

### Description
Gets or sets the height of the group shape.

### Syntax
```python
@property
def height(self):
    ...

@height.setter
def height(self, value):
    ...
```

### Parameters
* **value** (float) - The height to set.

### Returns
* (float) - The height of the group shape.
```

--------------------------------

### Accessing and Setting start_reflection_opacity

Source: https://reference.aspose.com/slides/python-net/aspose.slides.effects/reflection/start_reflection_opacity

This snippet demonstrates how to get and set the starting opacity of a reflection effect. The value is a float representing percentages.

```APIDOC
## start_reflection_opacity Property

Starting reflection opacity. (percents). Read/write **float**.

### Definition:
```python
@property
def start_reflection_opacity(self):
    # Returns the starting reflection opacity
    pass

@start_reflection_opacity.setter
def start_reflection_opacity(self, value):
    # Sets the starting reflection opacity
    pass
```

### See Also
  * class `Reflection`
  * module `aspose.slides.effects`
```

--------------------------------

### Get Presentation

Source: https://reference.aspose.com/slides/python-net/aspose.slides.charts/ilegendentryproperties/presentation

This example shows how to get the presentation object associated with a legend entry properties.

```APIDOC
## presentation Property

### Description
Gets the presentation that owns this instance.

### Property Type
IPresentation

### Example
```python
# Assuming legend_entry_properties is an instance of ILegendEntryProperties
presentation = legend_entry_properties.presentation
```
```

--------------------------------

### Get or Set Shadow Direction

Source: https://reference.aspose.com/slides/python-net/aspose.slides.effects/ipresetshadow/direction

This example demonstrates how to get and set the direction of a preset shadow effect.

```APIDOC
## Get or Set Shadow Direction

### Description

Gets or sets the direction of a preset shadow. The value is a float representing the direction in degrees.

### Method

`IPresetShadow.direction`

### Parameters

#### Setter

- **value** (float) - The direction of the shadow in degrees.

### Example

```python
from aspose.slides.effects import PresetShadow, IPresetShadow
from aspose.slides import Presentation

prs = Presentation("presentation.pptx")
shape = prs.slides[0].shapes[0]

# Assuming the shape has a preset shadow effect
shadow_effect = shape.effect_format.preset_shadow_type

if shadow_effect != None:
    preset_shadow = shape.effect_format.preset_shadow
    
    # Get current direction
    current_direction = preset_shadow.direction
    print(f"Current shadow direction: {current_direction}")
    
    # Set new direction
    new_direction = 45.0
    preset_shadow.direction = new_direction
    print(f"New shadow direction set to: {new_direction}")
else:
    print("Shape does not have a preset shadow effect.")

prs.save("presentation_with_shadow_direction.pptx", SaveFormat.PPTX)
```
```

--------------------------------

### Get Effective Luminance

Source: https://reference.aspose.com/slides/python-net/aspose.slides.effects/iluminance/get_effective

This example demonstrates how to retrieve the effective luminance value.

```APIDOC
## get_effective

### Description
Retrieves the effective value of the ILuminance interface.

### Method
```
def get_effective(self):
    ... 
```

### Returns
An `ILuminanceEffectiveData` object representing the effective luminance value.
```

--------------------------------

### __init__ (with LoadOptions)

Source: https://reference.aspose.com/slides/python-net/aspose.slides/presentation/__init__

Creates a new presentation from scratch with specified load options. The created presentation will have one empty slide.

```APIDOC
## __init__ (load_options)

### Description
Creates a new presentation from scratch with specified load options. The created presentation will have one empty slide.

### Method
__init__

### Parameters
#### Path Parameters
- **load_options** (`LoadOptions`) - Required - Additional load options.

### Request Example
```python
from aspose.slides import Presentation, LoadOptions

load_options = LoadOptions()
pres = Presentation(load_options=load_options)
```

### Response
- **Presentation**: A new Presentation object with one empty slide.
```

--------------------------------

### Get the number of drawing guides in the collection

Source: https://reference.aspose.com/slides/python-net/aspose.slides/idrawingguidescollection/count

This example demonstrates how to retrieve the count of drawing guides within an IDrawingGuidesCollection.

```APIDOC
## count property

### Description
Gets the number of all elements in the collection. Read-only **int**.

### Definition:
```python
@property
def count(self):
    ...
```

### See Also
  * class `IDrawingGuidesCollection`
  * module `aspose.slides`
  * library `Aspose.Slides`
```

--------------------------------

### Get or Set Drawing Guide Orientation

Source: https://reference.aspose.com/slides/python-net/aspose.slides/drawingguide/orientation

Demonstrates how to get or set the orientation of a drawing guide. This property returns or sets the orientation of the drawing guide.

```python
Copy@property
def orientation(self):
    ...

@orientation.setter
def orientation(self, value):
    ...
```

--------------------------------

### __init__ (with stream and LoadOptions)

Source: https://reference.aspose.com/slides/python-net/aspose.slides/presentation/__init__

Reads an existing Presentation from an input stream with additional load options.

```APIDOC
## __init__ (stream, load_options)

### Description
Reads an existing Presentation from an input stream with additional load options.

### Method
__init__

### Parameters
#### Path Parameters
- **stream** (`io.RawIOBase`) - Required - Input stream.
- **load_options** (`LoadOptions`) - Required - Additional load options.

### Request Example
```python
from aspose.slides import Presentation, LoadOptions
import io

load_options = LoadOptions()
with open("presentation.pptx", "rb") as stream:
    pres = Presentation(stream, load_options=load_options)
```

### Response
- **Presentation**: A Presentation object loaded from the stream with specified options.
```

--------------------------------

### Get Numbered Bullet Start With

Source: https://reference.aspose.com/slides/python-net/aspose.slides/ibulletformateffectivedata/numbered_bullet_start_with

This code snippet demonstrates how to get the starting number for a group of numbered bullets using the 'numbered_bullet_start_with' property.

```APIDOC
## numbered_bullet_start_with Property

### Description
Returns the first number which is used for group of numbered bullets. Read-only **int**.

### Definition:
```python
@property
def numbered_bullet_start_with(self):
    ...
```

### See Also
  * class `IBulletFormatEffectiveData`
  * module `aspose.slides`
  * library `Aspose.Slides`
```

--------------------------------

### __init__ (no arguments)

Source: https://reference.aspose.com/slides/python-net/aspose.slides/presentation/__init__

Creates a new presentation from scratch. The created presentation will have one empty slide.

```APIDOC
## __init__

### Description
Creates a new presentation from scratch. The created presentation will have one empty slide.

### Method
__init__

### Parameters
None

### Request Example
```python
from aspose.slides import Presentation

pres = Presentation()
```

### Response
- **Presentation**: A new Presentation object with one empty slide.
```

--------------------------------

### Create New Presentation with Load Options

Source: https://reference.aspose.com/slides/python-net/aspose.slides/presentation/__init__

Initializes a new presentation from scratch with specified load options. The created presentation will contain one empty slide.

```python
def __init__(self, load_options):
    ...
```

--------------------------------

### Get range_start_index

Source: https://reference.aspose.com/slides/python-net/aspose.slides/ifontfallbackrule/range_start_index

This example demonstrates how to get the value of the range_start_index property.

```APIDOC
## range_start_index Property

### Description
Get first index of continuous unicode range.

### Definition:
```python
@property
def range_start_index(self):
    ...
```

### See Also
* class `IFontFallBackRule`
* module `aspose.slides`
* library `Aspose.Slides`
```

--------------------------------

### Accessing the proof_disabled property

Source: https://reference.aspose.com/slides/python-net/aspose.slides/iportionformat/proof_disabled

This example demonstrates how to get and set the proof_disabled property for an IPortionFormat object.

```APIDOC
## proof_disabled Property

### Description
Gets or sets a value indicating whether the proofing is disabled for the portion.

### Syntax
```python
@property
def proof_disabled(self):
    ...

@proof_disabled.setter
def proof_disabled(self, value):
    ...
```

### Property Value
`bool` - True if proofing is disabled; otherwise, False.

### Example
```python
# Assuming 'portion' is an instance of IPortionFormat

# Disable proofing
portion.proof_disabled = True

# Check if proofing is disabled
is_disabled = portion.proof_disabled
print(f"Proofing disabled: {is_disabled}")
```
```

--------------------------------

### Start Property

Source: https://reference.aspose.com/slides/python-net/aspose.slides/slidesrange/start

Gets or sets the start slide index of a slide range.

```APIDOC
## start Property

### Description
Gets or sets the start slide index of a slide range.

### Definition:
```python
@property
def start(self):
    ...

@start.setter
def start(self, value):
    ...
```

### See Also
  * class `SlidesRange`
  * module `aspose.slides`
  * library `Aspose.Slides`
```

--------------------------------

### __init__ (with file path and LoadOptions)

Source: https://reference.aspose.com/slides/python-net/aspose.slides/presentation/__init__

Reads an existing Presentation from a source file path with additional load options. Throws RuntimeError if the input file has zero length.

```APIDOC
## __init__ (file, load_options)

### Description
Reads an existing Presentation from a source file path with additional load options. Throws RuntimeError if the input file has zero length.

### Method
__init__

### Parameters
#### Path Parameters
- **file** (`str`) - Required - Input file.
- **load_options** (`LoadOptions`) - Required - Additional load options.

### Exceptions
- **RuntimeError(Proxy error(ArgumentException))**: Thrown when input file has zero length.

### Request Example
```python
from aspose.slides import Presentation, LoadOptions

load_options = LoadOptions()
pres = Presentation("presentation.pptx", load_options=load_options)
```

### Response
- **Presentation**: A Presentation object loaded from the file with specified options.
```

--------------------------------

### Setting and Getting the Password

Source: https://reference.aspose.com/slides/python-net/aspose.slides/iloadoptions/password

Demonstrates how to set and get the password for loading options. This is required when dealing with password-protected presentations.

```python
Copy@property
def password(self):
    ...

@password.setter
def password(self, value):
    ...
```

--------------------------------

### Initialize VideoPlayerHtmlController

Source: https://reference.aspose.com/slides/python-net/aspose.slides.export/videoplayerhtmlcontroller/__init__

Creates a new instance of the VideoPlayerHtmlController. Specify the output path for video/audio files, the HTML file name, and the base URI for generating links.

```python
def __init__(self, path, file_name, base_uri):
    ...
```

--------------------------------

### Getting the light_type

Source: https://reference.aspose.com/slides/python-net/aspose.slides/ilightrig/light_type

This example demonstrates how to get the current light_type property of an ILightRig object.

```APIDOC
## Getting the light_type

### Description
Gets the current preset light rig type of the 3D scene.

### Method
```python
@property
def light_type(self) -> LightRigPresetType:
    ...
```

### Returns
* **LightRigPresetType** - The current preset light rig type.
```

--------------------------------

### Get z_order_position

Source: https://reference.aspose.com/slides/python-net/aspose.slides.ink/iink/z_order_position

This code example demonstrates how to get the z-order position of an ink stroke.

```APIDOC
## Get z_order_position

### Description
Gets the z-order position of the ink stroke.

### Method
```python
Ink.z_order_position
```

### Parameters
This property does not take any parameters.

### Return Value
An integer representing the z-order position of the ink stroke.
```

--------------------------------

### PptOptions Constructor

Source: https://reference.aspose.com/slides/python-net/aspose.slides.export/pptoptions/__init__

Initializes a new instance of the PptOptions class.

```APIDOC
## PptOptions()

### Description
Initializes a new instance of the `PptOptions` class.

### Method
```python
def __init__(self):
    ...
```
```

--------------------------------

### __init__ (with stream)

Source: https://reference.aspose.com/slides/python-net/aspose.slides/presentation/__init__

Reads an existing Presentation from an input stream.

```APIDOC
## __init__ (stream)

### Description
Reads an existing Presentation from an input stream.

### Method
__init__

### Parameters
#### Path Parameters
- **stream** (`io.RawIOBase`) - Required - Input stream.

### Request Example
```python
from aspose.slides import Presentation
import io

with open("presentation.pptx", "rb") as stream:
    pres = Presentation(stream)
```

### Response
- **Presentation**: A Presentation object loaded from the stream.
```

--------------------------------

### Get and Set hyperlink_mouse_over

Source: https://reference.aspose.com/slides/python-net/aspose.slides/isectionzoomframe/hyperlink_mouse_over

This example demonstrates how to get and set the hyperlink_mouse_over property for an ISectionZoomFrame object.

```APIDOC
## hyperlink_mouse_over Property

### Description
Gets or sets the hyperlink associated with the mouse over action.

### Syntax
```python
@property
def hyperlink_mouse_over(self):
    """Gets or sets the hyperlink associated with the mouse over action."""
    ...

@hyperlink_mouse_over.setter
def hyperlink_mouse_over(self, value):
    """Sets the hyperlink associated with the mouse over action."""
    ...
```

### Parameters
* `value`: The hyperlink to set. This can be a string representing a URL or a file path, or an instance of the `Hyperlink` class.
```

--------------------------------

### __init__

Source: https://reference.aspose.com/slides/python-net/aspose.slides.export/notescommentslayoutingoptions/__init__

Initializes a new instance of the NotesCommentsLayoutingOptions class with default settings.

```APIDOC
## __init__

### Description
Default constructor.

### Method
__init__

### Endpoint
N/A

### Parameters
None

### Request Example
None

### Response
#### Success Response
Initializes a new instance of the NotesCommentsLayoutingOptions class.

#### Response Example
None
```

--------------------------------

### Get Line Width

Source: https://reference.aspose.com/slides/python-net/aspose.slides/ilineformateffectivedata/width

This example demonstrates how to get the width of a line using the width property.

```APIDOC
## width property

Returns the width of a line. Read-only **float**.

### Definition:
```python
@property
def width(self):
    ... 
```

### See Also
  * class `ILineFormatEffectiveData`
  * module `aspose.slides`
  * library `Aspose.Slides`
```

--------------------------------

### __init__ (with file path)

Source: https://reference.aspose.com/slides/python-net/aspose.slides/presentation/__init__

Reads an existing Presentation from a source file path. Throws RuntimeError if the input file has zero length.

```APIDOC
## __init__ (file)

### Description
Reads an existing Presentation from a source file path. Throws RuntimeError if the input file has zero length.

### Method
__init__

### Parameters
#### Path Parameters
- **file** (`str`) - Required - Input file.

### Exceptions
- **RuntimeError(Proxy error(ArgumentException))**: Thrown when input file has zero length.

### Request Example
```python
from aspose.slides import Presentation

pres = Presentation("presentation.pptx")
```

### Response
- **Presentation**: A Presentation object loaded from the file.
```

--------------------------------

### Accessing Slide Show Transition

Source: https://reference.aspose.com/slides/python-net/aspose.slides/baseslide/slide_show_transition

This example demonstrates how to get the Transition object for a slide using the slide_show_transition property.

```APIDOC
## slide_show_transition Property

Returns the Transition object which contains information about how the specified slide advances during a slide show. Read-only `ISlideShowTransition`.

### Definition:
```python
@property
def slide_show_transition(self):
    ...
```

### See Also
  * class `BaseSlide`
  * class `ISlideShowTransition`
  * module `aspose.slides`
  * library `Aspose.Slides`
```

--------------------------------

### Get z_order_position

Source: https://reference.aspose.com/slides/python-net/aspose.slides.smartart/smartart/z_order_position

This example demonstrates how to get the z-order position of a shape within a SmartArt object.

```APIDOC
## Get z_order_position

### Description
Returns the position of a shape in the z-order. Shapes[0] returns the shape at the back of the z-order, and Shapes[Shapes.Count - 1] returns the shape at the front of the z-order.

### Method
```python
SmartArt.z_order_position
```

### Returns
- **int**: The position of the shape in the z-order.
```

--------------------------------

### Initialize PresentationPlayer

Source: https://reference.aspose.com/slides/python-net/aspose.slides.export/presentationplayer/__init__

Creates a new instance of the PresentationPlayer. Requires a presentation animations generator and frames per second (FPS) to be specified.

```python
def __init__(self, generator, fps):
    ...
```

--------------------------------

### SVGOptions()

Source: https://reference.aspose.com/slides/python-net/aspose.slides.export/svgoptions/__init__

Initializes a new instance of the SVGOptions class with default settings.

```APIDOC
## SVGOptions()

### Description
Initializes a new instance of the SVGOptions class.

### Method
__init__

### Parameters
None

### Remarks
This constructor creates an SVGOptions object with default values for all properties.

### See Also
* class `SVGOptions`
* module `aspose.slides.export`
```

--------------------------------

### Get Actual X Coordinate

Source: https://reference.aspose.com/slides/python-net/aspose.slides.charts/ilegend/actual_x

This example demonstrates how to get the actual X coordinate of a legend in a chart.

```APIDOC
## Get Actual X Coordinate

### Description
Retrieves the actual X coordinate of the legend.

### Method
```python
ILegend.actual_x
```

### Return Value
(float) The actual X coordinate of the legend.
```

--------------------------------

### Get Connection Site Count

Source: https://reference.aspose.com/slides/python-net/aspose.slides/ipictureframe/connection_site_count

This example demonstrates how to get the number of connection sites for a picture frame.

```APIDOC
## connection_site_count Property

### Description
Gets the number of connection sites for a picture frame.

### Definition
```python
@property
def connection_site_count(self):
    ...
```

### Return Value
System.Int32

### See Also
 * class `IPictureFrame`
 * module `aspose.slides`
 * library `Aspose.Slides`
```

--------------------------------

### Setting and Getting Password

Source: https://reference.aspose.com/slides/python-net/aspose.slides/loadoptions/password

Demonstrates how to set a password for loading a presentation and how to retrieve it. This is useful for handling password-protected presentations.

```python
loadOptions = LoadOptions()
loadOptions.password = "my_password"
password = loadOptions.password
```

--------------------------------

### Get or Set Shred Transition Pattern

Source: https://reference.aspose.com/slides/python-net/aspose.slides.slideshow/ishredtransition/pattern

This example demonstrates how to get or set the pattern for a shred transition.

```APIDOC
## pattern property

Specifies the shape of the visuals used during the transition. Read/write `TransitionShredPattern`.

### Definition:
```python
@property
def pattern(self):
    ...

@pattern.setter
def pattern(self, value):
    ...
```

### See Also
  * class `IShredTransition`
  * enumeration `TransitionShredPattern`
  * module `aspose.slides.slideshow`
  * library `Aspose.Slides`
```

--------------------------------

### write_document_start

Source: https://reference.aspose.com/slides/python-net/aspose.slides.export/ivideoplayerhtmlcontroller/write_document_start

Writes the start of the HTML document for video player integration.

```APIDOC
## write_document_start

### Description
Writes the start of the HTML document for video player integration.

### Method Signature
```python
def write_document_start(self, generator: IHtmlGenerator, presentation: IPresentation)
```

### Parameters
* **generator** (`IHtmlGenerator`) - The HTML generator object.
* **presentation** (`IPresentation`) - The presentation object.

### See Also
* class `IHtmlGenerator`
* class `IPresentation`
* class `IVideoPlayerHtmlController`
* module `aspose.slides.export`
* library `Aspose.Slides`
```

--------------------------------

### start_reflection_opacity Property

Source: https://reference.aspose.com/slides/python-net/aspose.slides.effects/ireflectioneffectivedata/start_reflection_opacity

Starting reflection opacity. (percents). Read-only float.

```APIDOC
## start_reflection_opacity Property

### Description
Starting reflection opacity. (percents).

### Type
Read-only float
```

--------------------------------

### Get Text Cap Type

Source: https://reference.aspose.com/slides/python-net/aspose.slides/ibaseportionformateffectivedata/text_cap_type

This example demonstrates how to access the `text_cap_type` property to get the capitalization type of text.

```APIDOC
## text_cap_type property

### Description
Returns the type of text capitalization.

### Returns
TextCapType: The type of text capitalization.

### Example
```python
# Assuming 'portion_format' is an instance of IBasePortionFormatEffectiveData
cap_type = portion_format.text_cap_type
print(f"Text capitalization type: {cap_type}")
```
```

--------------------------------

### Trim Video from Start

Source: https://reference.aspose.com/slides/python-net/aspose.slides/ivideoframe/trim_from_start

You can get or set the trim start time of a video frame in milliseconds using the trim_from_start property.

```APIDOC
## trim_from_start Property

Trim start [ms]

### Definition:
```python
@property
def trim_from_start(self):
    # Returns the trim start time in milliseconds
    pass

@trim_from_start.setter
def trim_from_start(self, value):
    # Sets the trim start time in milliseconds
    pass
```

### Parameters:
#### Setter
- **value** (int): The trim start time in milliseconds.
```

--------------------------------

### Initialize BlobManagementOptions

Source: https://reference.aspose.com/slides/python-net/aspose.slides/blobmanagementoptions/__init__

Creates new default blob management options. Use this constructor to set up default settings for managing temporary files.

```python
def __init__(self):
    ...
```

--------------------------------

### Get and Set Bubble Size Scale

Source: https://reference.aspose.com/slides/python-net/aspose.slides.charts/ichartseriesgroup/bubble_size_scale

This example demonstrates how to get and set the bubble_size_scale property for a chart series group.

```APIDOC
## bubble_size_scale Property

Specifies the scale factor for the bubble chart (can be between 0 and 300 percents of the default size). Read/write **int**.

### Definition:
```python
@property
def bubble_size_scale(self):
    ...

@bubble_size_scale.setter
def bubble_size_scale(self, value):
    ...
```

### See Also
  * class `IChartSeriesGroup`
  * module `aspose.slides.charts`
  * library `Aspose.Slides`
```

--------------------------------

### Accessing Image Source

Source: https://reference.aspose.com/slides/python-net/aspose.slides/iimagewrapper/image_source

Demonstrates how to access the image source using the image_source property.

```Python
Copy@property
def image_source(self):
    ...
```

--------------------------------

### __init__ (no arguments)

Source: https://reference.aspose.com/slides/python-net/aspose.slides/portion/__init__

Initializes a new instance of the Portion class without any parameters.

```APIDOC
## __init__

### Description
Initializes a new instance of the Portion class.

### Method
__init__

### Parameters
None

### Request Example
```python
portion = Portion()
```

### Response
Initializes a Portion object.
```

--------------------------------

### Get Range Start Index

Source: https://reference.aspose.com/slides/python-net/aspose.slides/ifontfallbackrule/range_start_index

Retrieves the starting index of a continuous Unicode range for a font fallback rule. This property is read-only.

```python
Copy@property
def range_start_index(self):
    ...
```

--------------------------------

### Get the number of drawing guides

Source: https://reference.aspose.com/slides/python-net/aspose.slides/idrawingguidescollection/count

Use the Count property to retrieve the total number of drawing guides in the collection. This property is read-only.

```python
count = IDrawingGuidesCollection.count
```

--------------------------------

### __init__

Source: https://reference.aspose.com/slides/python-net/aspose.slides.mathtext/matharray/__init__

Creates a mathematical array and places the specified element in it.

```APIDOC
## __init__

### Description
Creates a mathematical array and places the specified element in it.

### Method
__init__

### Parameters
#### Path Parameters
- **element** (IMathElement) - Required - The element to place in the array
```

--------------------------------

### SwfOptions Constructor

Source: https://reference.aspose.com/slides/python-net/aspose.slides.export/swfoptions/__init__

Initializes a new instance of the SwfOptions class with default settings.

```APIDOC
## SwfOptions()

### Description
Default constructor.

### Method
__init__

### Parameters
None

### Returns
A new instance of the SwfOptions class.
```

--------------------------------

### Connector Start Shape Connection Site Index

Source: https://reference.aspose.com/slides/python-net/aspose.slides/connector/start_shape_connection_site_index

Demonstrates how to get and set the start_shape_connection_site_index property for a connector's start shape.

```python
Copy@property
def start_shape_connection_site_index(self):
    ...

@start_shape_connection_site_index.setter
def start_shape_connection_site_index(self, value):
    ...
```

--------------------------------

### Reflection.start_pos_alpha Property

Source: https://reference.aspose.com/slides/python-net/aspose.slides.effects/reflection/start_pos_alpha

Gets or sets the start position (along the alpha gradient ramp) of the start alpha value (percents). The value is a float.

```APIDOC
## Reflection.start_pos_alpha Property

### Description
Specifies the start position (along the alpha gradient ramp) of the start alpha value (percents). Read/write **float**.

### Definition:
```python
@property
def start_pos_alpha(self):
    # Returns float
    ...

@start_pos_alpha.setter
def start_pos_alpha(self, value):
    # Sets float value
    ...
```

### See Also
* class `Reflection`
* module `aspose.slides.effects`
```

--------------------------------

### Get stroke_start_arrow_length Property

Source: https://reference.aspose.com/slides/python-net/aspose.slides.animation/behaviorproperty/stroke_start_arrow_length

Demonstrates how to access the stroke_start_arrow_length property. This property is part of the BehaviorProperty class and is used to get the length of the starting arrow for a stroke.

```python
Copy@property
def stroke_start_arrow_length(self):
    ...
```

--------------------------------

### Get or Set Drawing Guide Color

Source: https://reference.aspose.com/slides/python-net/aspose.slides/drawingguide/color

Demonstrates how to access and modify the color of a drawing guide. The property returns or accepts a value of type aspose.pydrawing.Color.

```python
Copy@property
def color(self):
    ...

@color.setter
def color(self, value):
    ...
```

--------------------------------

### Constructor with Text and Format Settings

Source: https://reference.aspose.com/slides/python-net/aspose.slides.mathtext/mathematicaltext/__init__

Initializes a new instance of the MathematicalText class with a text string and specified format settings.

```APIDOC
## MathematicalText(math_text, portion_format)

### Description
Create MathematicalText from text and format settings

### Method
__init__

### Parameters
#### Path Parameters
- **math_text** (str) - Required - text value
- **portion_format** (IPortionFormat) - Required - text format settings

### See Also
  * class `IPortionFormat`
  * class `MathematicalText`
  * module `aspose.slides.mathtext`
  * library `Aspose.Slides`

### Code Example
```python
# Assuming portion_format is an instance of IPortionFormat
math_text = MathematicalText('x^2', portion_format)
```
```

--------------------------------

### stroke_start_arrow_width Property

Source: https://reference.aspose.com/slides/python-net/aspose.slides.animation/behaviorproperty/stroke_start_arrow_width

Gets or sets the width of the start arrow for a stroke.

```APIDOC
## stroke_start_arrow_width Property

### Description
Represents the ‘stroke.startArrowWidth’ property. This property controls the width of the arrow at the starting point of a stroke in an animation.

### Definition
```python
@property
def stroke_start_arrow_width(self):
    """Gets or sets the width of the start arrow for a stroke."""
    ...
```

### See Also
* class `BehaviorProperty`
* module `aspose.slides.animation`
* library `Aspose.Slides`
```

--------------------------------

### __init__ (string argument)

Source: https://reference.aspose.com/slides/python-net/aspose.slides/portion/__init__

Initializes a new instance of the Portion class with a string value.

```APIDOC
## __init__ (str)

### Description
Initializes a new instance of the Portion class with a string.

### Method
__init__

### Parameters
#### Path Parameters
- **str** (str) - Description: The string to initialize the Portion with.

### Request Example
```python
portion = Portion("Sample Text")
```

### Response
Initializes a Portion object with the provided string.
```

--------------------------------

### Get or Set Drawing Guide Orientation

Source: https://reference.aspose.com/slides/python-net/aspose.slides/drawingguide/orientation

This snippet shows how to retrieve and set the orientation of a drawing guide. The orientation can be set using values from the Orientation enumeration.

```APIDOC
## orientation property

Returns or sets orientation of the drawing guide. Read/write `Orientation`.

### Definition:
```python
@property
def orientation(self):
    ...

@orientation.setter
def orientation(self, value):
    ...
```

### See Also
  * class `DrawingGuide`
  * enumeration `Orientation`
  * module `aspose.slides`
  * library `Aspose.Slides`
```

--------------------------------

### BrowsedAtKiosk Constructor

Source: https://reference.aspose.com/slides/python-net/aspose.slides/browsedatkiosk/__init__

Initializes a new instance of the BrowsedAtKiosk class. This constructor does not take any arguments.

```APIDOC
## **init**

### Description
Initializes a new instance of the BrowsedAtKiosk class.

### Method
__init__

### Parameters
This constructor does not take any parameters.

### Request Example
```python
from aspose.slides import BrowsedAtKiosk

kiosk = BrowsedAtKiosk()
```

### Response
Initializes a new instance of the BrowsedAtKiosk class.
```

--------------------------------

### Get First Slice Angle

Source: https://reference.aspose.com/slides/python-net/aspose.slides.charts/chartseries/first_slice_angle

This example demonstrates how to access the read-only first_slice_angle property to get the angle of the first slice in a pie or doughnut chart series.

```APIDOC
## first_slice_angle Property

### Description
Specifies the angle of the first pie or doughnut chart slice, in degrees (clockwise from up, from 0 to 360 degrees). This is the property not only of this series but of all series of parent series group - this is projection of appropriate group property. And so this property is read-only. Use ParentSeriesGroup property for access to parent series group. Use ParentSeriesGroup.FirstSliceAngle read/write property for change value. Read-only **int**.

### Remarks
This is the projection of the property ParentSeriesGroup.FirstSliceAngle.

### Definition:
```python
@property
def first_slice_angle(self):
    """Gets the angle of the first pie or doughnut chart slice, in degrees."""
    # This is a read-only property, implementation details are omitted.
    pass
```

### See Also
* class `ChartSeries`
* module `aspose.slides.charts`
* library `Aspose.Slides`
```

--------------------------------

### XpsOptions Constructor

Source: https://reference.aspose.com/slides/python-net/aspose.slides.export/xpsoptions/__init__

Initializes a new instance of the XpsOptions class with default settings.

```APIDOC
## XpsOptions()

### Description
Default constructor.

### Method
__init__

### Parameters
None

### Request Example
```python
from aspose.slides.export import XpsOptions

xps_options = XpsOptions()
```

### Response
Initializes an XpsOptions object.
```

--------------------------------

### IRotationEffect.from_address Property

Source: https://reference.aspose.com/slides/python-net/aspose.slides.animation/irotationeffect/from_address

Gets or sets the starting value for the animation. The value is a float.

```APIDOC
## from_address Property

### Description
Describes the starting value for the animation.

### Type
float

### Access
Read/write

### Definition
```python
@property
def from_address(self):
    ...

@from_address.setter
def from_address(self, value):
    ...
```
```

--------------------------------

### Initialize BrowsedAtKiosk

Source: https://reference.aspose.com/slides/python-net/aspose.slides/browsedatkiosk/__init__

Initializes a new instance of the BrowsedAtKiosk class. This is a basic constructor.

```python
def __init__(self):
    ...

```

--------------------------------

### Get and Set End Reflection Opacity

Source: https://reference.aspose.com/slides/python-net/aspose.slides.effects/ireflection/end_reflection_opacity

Demonstrates how to get and set the end reflection opacity for a reflection effect. The opacity is specified as a percentage.

```python
Copy@property
def end_reflection_opacity(self):
    ... 

@end_reflection_opacity.setter
def end_reflection_opacity(self, value):
    ...
```

--------------------------------

### PresentedBySpeaker Constructor

Source: https://reference.aspose.com/slides/python-net/aspose.slides/presentedbyspeaker/__init__

Initializes a new instance of the PresentedBySpeaker class.

```APIDOC
## PresentedBySpeaker()

### Description
Initializes a new instance of the PresentedBySpeaker class.

### Method
__init__

### Parameters
This constructor does not take any parameters.

### Request Example
```python
from aspose.slides import PresentedBySpeaker

presented_by_speaker = PresentedBySpeaker()
```

### Response
This method does not return any value.
```

--------------------------------

### Get Column Index

Source: https://reference.aspose.com/slides/python-net/aspose.slides.charts/chartdatacell/column

This example demonstrates how to retrieve the column index of a ChartDataCell.

```APIDOC
## column property

Returns the index of the column of worksheet in which the cell is located. Read-only **int**.

### Definition:
```python
@property
def column(self):
    ...
```

### See Also
  * class `ChartDataCell`
  * module `aspose.slides.charts`
```

--------------------------------

### Create Presentation

Source: https://reference.aspose.com/slides/python-net/aspose.slides/ipresentationfactory/create_presentation

Creates a new, empty presentation. This is the most basic way to start a new presentation.

```APIDOC
## create_presentation

### Description
Creates a new, empty presentation.

### Method
```
def create_presentation(self):
    ...
```

### Returns
New presentation (`IPresentation`)
```

--------------------------------

### Html5Options Constructor

Source: https://reference.aspose.com/slides/python-net/aspose.slides.export/html5options/__init__

Initializes a new instance of the Html5Options class with default settings.

```APIDOC
## Html5Options()

### Description
Initializes a new instance of the `Html5Options` class with default settings.

### Method
__init__

### Parameters
This constructor does not take any parameters.

### Returns
An instance of the `Html5Options` class.
```

--------------------------------

### Get Rotation

Source: https://reference.aspose.com/slides/python-net/aspose.slides/ishapeframe/rotation

This example demonstrates how to retrieve the rotation angle of a shape frame.

```APIDOC
## Get Rotation

### Description
Retrieves the number of degrees a frame is rotated around the z-axis. A positive value indicates clockwise rotation; a negative value indicates counterclockwise rotation.

### Method
`get_rotation()`

### Return Value
`float` - The rotation angle in degrees.
```

--------------------------------

### Setting and Getting Audio Volume

Source: https://reference.aspose.com/slides/python-net/aspose.slides/iaudioframe/volume_value

Demonstrates how to set and retrieve the audio volume using the volume_value property. The value should be a float representing the percentage.

```python
audio_frame.volume_value = 50.0
volume = audio_frame.volume_value
```

--------------------------------

### Getting and Setting Load Format

Source: https://reference.aspose.com/slides/python-net/aspose.slides/iloadoptions/load_format

Demonstrates how to retrieve the current load format and how to set a new load format for a presentation. This is typically done when initializing ILoadOptions.

```python
load_format = iloadoptions.load_format
iloadoptions.load_format = LoadFormat.PPTX
```

--------------------------------

### Get Unique ID

Source: https://reference.aspose.com/slides/python-net/aspose.slides/autoshape/unique_id

This example demonstrates how to retrieve the unique ID of an AutoShape.

```APIDOC
## unique_id property

Returns an internal, presentation-scoped identifier intended for use by add-ins or other code. Because this value can be reassigned by the user or programmatically, it must not be treated as a persistent unique key. Read-only **int**.

### Definition:
```python
@property
def unique_id(self):
    ...
```

### See Also
  * class `AutoShape`
  * module `aspose.slides`
  * library `Aspose.Slides`
```

--------------------------------

### IOverrideTheme.init_color_scheme_from

Source: https://reference.aspose.com/slides/python-net/aspose.slides.theme/ioverridetheme/init_color_scheme_from

Initializes the ColorScheme with a new object for overriding the ColorScheme of InheritedTheme.

```APIDOC
## init_color_scheme_from

### Description
Init ColorScheme with new object for overriding ColorScheme of InheritedTheme.

### Method Signature
```python
def init_color_scheme_from(self, color_scheme: IColorScheme) -> None
```

### Parameters
* **color_scheme** (`IColorScheme`): Data to initialize from.

### Exceptions
* **RuntimeError(Proxy error(InvalidOperationException))**: Thrown if the ColorScheme is already initialized (not None).
* **RuntimeError(Proxy error(ArgumentNullException))**: Thrown if the colorScheme parameter is None.
```

--------------------------------

### Get Z-Order Position

Source: https://reference.aspose.com/slides/python-net/aspose.slides/audioframe/z_order_position

This example demonstrates how to retrieve the z-order position of an AudioFrame.

```APIDOC
## z_order_position Property

### Description
Returns the position of a shape in the z-order. Shapes[0] returns the shape at the back of the z-order, and Shapes[Shapes.Count - 1] returns the shape at the front of the z-order. Read-only **int**.

### Definition:
```python
@property
def z_order_position(self):
    ...
```

### See Also
  * class `AudioFrame`
  * module `aspose.slides`
  * library `Aspose.Slides`
```

--------------------------------

### Create a New Presentation

Source: https://reference.aspose.com/slides/python-net/aspose.slides/ipresentationfactory/create_presentation

Creates a new presentation with default settings. This method is part of the IPresentationFactory interface.

```python
def create_presentation(self):
    ...
```

--------------------------------

### Get or Set Hidden Property

Source: https://reference.aspose.com/slides/python-net/aspose.slides/itable/hidden

This code example demonstrates how to get and set the hidden property of a table. The hidden property returns a boolean value indicating if the table is hidden.

```APIDOC
## hidden property

### Description
Gets or sets a value indicating whether the table is hidden.

### Method Signature
```python
@property
def hidden(self) -> bool:
    ...

@hidden.setter
def hidden(self, value: bool) -> None:
    ...
```

### Example
```python
# Assuming 'table' is an instance of ITable

# Get the hidden status
is_hidden = table.hidden

# Set the hidden status
table.hidden = True
```
```

--------------------------------

### add(path, video: IVideo)

Source: https://reference.aspose.com/slides/python-net/aspose.slides.export.web/output/add

Adds an output element for a video. Returns an IOutputFile object for the video.

```APIDOC
## add(path, video: IVideo)

### Description
Adds an output element for the video.

### Method
(Implicitly a method call within a class)

### Parameters
#### Path Parameters
- **path** (str) - Required - Output path.
- **video** (IVideo) - Required - Video to output.

### Returns
`IOutputFile` object for the video.
```

--------------------------------

### PresentationPlayer Constructor

Source: https://reference.aspose.com/slides/python-net/aspose.slides.export/presentationplayer

Initializes a new instance of the PresentationPlayer class.

```APIDOC
## `__init__` Constructor

### Description
Creates a new instance of the `PresentationPlayer` class.

### Method
`__init__`
```

--------------------------------

### IPropertyEffect.from_address Property

Source: https://reference.aspose.com/slides/python-net/aspose.slides.animation/ipropertyeffect/from_address

Gets or sets the starting value of the animation. This property is of type string.

```APIDOC
## from_address Property

### Description
Specifies the starting value of the animation.

### Property Type
string

### Definition
```python
@property
def from_address(self):
    # Returns the starting value of the animation.
    ...

@from_address.setter
def from_address(self, value):
    # Sets the starting value of the animation.
    ...
```

### See Also
* class `IPropertyEffect`
* module `aspose.slides.animation`
```

--------------------------------

### from_address Property

Source: https://reference.aspose.com/slides/python-net/aspose.slides.animation/coloreffect/from_address

Gets or sets the starting color of the effect. The value is of type IColorFormat.

```APIDOC
## from_address Property

### Description
Gets or sets the starting color of the effect. The value is of type `IColorFormat`.

### Syntax
```python
from_address(self) -> IColorFormat

@from_address.setter
def from_address(self, value: IColorFormat) -> None
```

### Parameters
* **value** (`IColorFormat`): The starting color for the effect.
```

--------------------------------

### Get and Set Line Begin Arrowhead Style

Source: https://reference.aspose.com/slides/python-net/aspose.slides/ilineformat/begin_arrowhead_style

Demonstrates how to get and set the arrowhead style for the beginning of a line using the `begin_arrowhead_style` property.

```python
Copy@property
def begin_arrowhead_style(self):
    ...

@begin_arrowhead_style.setter
def begin_arrowhead_style(self, value):
    ...
```

--------------------------------

### Get Slide

Source: https://reference.aspose.com/slides/python-net/aspose.slides.charts/ilegendentryproperties/slide

This example demonstrates how to retrieve the slide associated with the legend entry properties.

```APIDOC
## slide property

### Description
Gets the slide.

### Property
```python
slide: Slide
```

### Returns
`Slide`: The slide associated with the legend entry properties.
```

--------------------------------

### Convert Presentation to PNG with Scale and Options

Source: https://reference.aspose.com/slides/python-net/aspose.slides.lowcode/convert/to_png

Converts a presentation to PNG images with advanced control over scaling and rendering. Use this overload to apply a specific scaling factor and custom rendering options. Requires the presentation object, output file name, a float for scale, and an IRenderingOptions object.

```python
Copy@staticmethod
def to_png(pres, output_file_name, scale, options):
    ...
```

--------------------------------

### Create a New Presentation with Load Options

Source: https://reference.aspose.com/slides/python-net/aspose.slides/ipresentationfactory/create_presentation

Creates a new presentation with specified load options. Use this overload when custom loading behavior is required.

```python
def create_presentation(self, options):
    ...
```

--------------------------------

### Get Presentation

Source: https://reference.aspose.com/slides/python-net/aspose.slides.charts/datatable/presentation

This example demonstrates how to retrieve the parent presentation object from a DataTable instance.

```APIDOC
## presentation Property

### Description
Gets the presentation that owns this DataTable.

### Method Signature
```python
presentation(self)
```

### Returns
IPresentation: The presentation object that owns the data table.
```

--------------------------------

### Accessing the order property

Source: https://reference.aspose.com/slides/python-net/aspose.slides.charts/chartseries/order

This example demonstrates how to get and set the order of a chart series.

```APIDOC
## ChartSeries.order Property

### Description
Returns the order of a series. Read/write **int**.

### Method Signature
```python
@property
def order(self) -> int:
    ...

@order.setter
def order(self, value: int) -> None:
    ...
```

### Example
```python
# Assuming chart_series is an instance of ChartSeries
current_order = chart_series.order
chart_series.order = 5
```

### See Also
* class `ChartSeries`
* module `aspose.slides.charts`
* library `Aspose.Slides`
```

--------------------------------

### Load Presentation from File Path with Load Options

Source: https://reference.aspose.com/slides/python-net/aspose.slides/presentation/__init__

Reads an existing presentation from a source file path with specified load options. This constructor enables loading from disk with custom settings.

```python
def __init__(self, file, load_options):
    ...
```

--------------------------------

### Get Z-Order Position

Source: https://reference.aspose.com/slides/python-net/aspose.slides.charts/chart/z_order_position

This example demonstrates how to retrieve the z-order position of a chart shape.

```APIDOC
## z_order_position property

### Description
Returns the position of a shape in the z-order. Shapes[0] returns the shape at the back of the z-order, and Shapes[Shapes.Count - 1] returns the shape at the front of the z-order. Read-only **int**.

### Definition:
```python
@property
def z_order_position(self):
    ...
```

### See Also
  * class `Chart`
  * module `aspose.slides.charts`
  * library `Aspose.Slides`
```

--------------------------------

### MathLimit.__init__ (base_arg, limit, upper_limit)

Source: https://reference.aspose.com/slides/python-net/aspose.slides.mathtext/mathlimit/__init__

Initializes a new instance of the MathLimit class with a base argument, a lower limit, and an upper limit.

```APIDOC
## MathLimit.__init__ (base_arg, limit, upper_limit)

### Description
Initializes a new instance of the MathLimit class with a base argument, a lower limit, and an upper limit.

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Method
__init__

### Endpoint
None

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Parameters
- **base_arg** (`IMathElement`) - Description: 
- **limit** (`IMathElement`) - Description: 
- **upper_limit** (`bool`) - Description: 

### Request Example
```python
def __init__(self, base_arg, limit, upper_limit):
    ...
```

### Response
#### Success Response (200)
None

#### Response Example
None
```

--------------------------------

### Get and Set Gradient Style

Source: https://reference.aspose.com/slides/python-net/aspose.slides.export/saveoptions/gradient_style

Demonstrates how to get and set the gradient style for a shape. Requires importing the GradientStyle enumeration.

```python
import aspose.slides as slides

prs = slides.Presentation()
slide = prs.slides.add_slide(prs.slide_layouts[0])

shape = slide.shapes.add_auto_shape(slides.ShapeType.RECTANGLE, 50, 50, 100, 100)

# Get gradient style
gradient_style = shape.fill.gradient_style

# Set gradient style
shape.fill.gradient_style = slides.GradientStyle.LINEAR_FORWARD
```

--------------------------------

### Get Z-Order Position

Source: https://reference.aspose.com/slides/python-net/aspose.slides/zoomframe/z_order_position

This example demonstrates how to retrieve the z-order position of a ZoomFrame object.

```APIDOC
## z_order_position Property

### Description
Returns the position of a shape in the z-order. Shapes[0] returns the shape at the back of the z-order, and Shapes[Shapes.Count - 1] returns the shape at the front of the z-order. Read-only **int**.

### Definition:
```python
@property
def z_order_position(self):
    ...
```

### See Also
  * class `ZoomFrame`
  * module `aspose.slides`
  * library `Aspose.Slides`
```

--------------------------------

### MathLimit.__init__ (base_arg, limit)

Source: https://reference.aspose.com/slides/python-net/aspose.slides.mathtext/mathlimit/__init__

Initializes a new instance of the MathLimit class with a base argument and a lower limit.

```APIDOC
## MathLimit.__init__ (base_arg, limit)

### Description
Initializes a new instance of the MathLimit class with a base argument and a lower limit.

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Method
__init__

### Endpoint
None

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Parameters
- **base_arg** (`IMathElement`) - Description: 
- **limit** (`IMathElement`) - Description: 

### Request Example
```python
def __init__(self, base_arg, limit):
    ...
```

### Response
#### Success Response (200)
None

#### Response Example
None
```

--------------------------------

### Get Right Margin

Source: https://reference.aspose.com/slides/python-net/aspose.slides/itextframeformateffectivedata/margin_right

This code example demonstrates how to retrieve the right margin of a TextFrame.

```APIDOC
## margin_right Property

### Description
Returns the right margin (points) in a TextFrame. Read-only **float**.

### Definition:
```python
@property
def margin_right(self):
    ...
```

### See Also
  * class `ITextFrameFormatEffectiveData`
  * module `aspose.slides`
  * library `Aspose.Slides`
```

--------------------------------

### __init__

Source: https://reference.aspose.com/slides/python-net/aspose.slides.mathtext/matharray/__init__

Creates a mathematical array with a collection of elements.

```APIDOC
## __init__

### Description
Creates a mathematical array with a collection of elements.

### Method
__init__

### Parameters
#### Path Parameters
- **elements** (Iterable[IMathElement]) - Required - The elements to place in the array
```

--------------------------------

### Initialize MathBorderBox with Full Border and Strikethrough Options

Source: https://reference.aspose.com/slides/python-net/aspose.slides.mathtext/mathborderbox/__init__

This constructor allows for detailed customization of the MathBorderBox, including hiding specific edges and applying strikethrough lines horizontally, vertically, or diagonally.

```python
def __init__(self, element, hide_top, hide_bottom, hide_left, hide_right, strikethrough_horizontal, strikethrough_vertical, strikethrough_bottom_left_to_top_right, strikethrough_top_left_to_bottom_right):
    ...
```

--------------------------------

### Get the number of properties in the collection

Source: https://reference.aspose.com/slides/python-net/aspose.slides/icontrolpropertiescollection/count

This example demonstrates how to retrieve the count of properties in an `IControlPropertiesCollection`.

```APIDOC
## count property

### Description
Returns a number of properties in the collection. Read-only **int**.

### Definition:
```python
@property
def count(self):
    ...
```

### See Also
  * class `IControlPropertiesCollection`
  * module `aspose.slides`
  * library `Aspose.Slides`
```

--------------------------------

### Get Camera Zoom

Source: https://reference.aspose.com/slides/python-net/aspose.slides/icameraeffectivedata/zoom

This example demonstrates how to retrieve the current zoom level of a camera.

```APIDOC
## zoom Property

Camera zoom (positive value in percentage). Read-only **float**.

### Definition:
```python
@property
def zoom(self):
    ...
```

### See Also
  * class `ICameraEffectiveData`
  * module `aspose.slides`
  * library `Aspose.Slides`
```