Aspose.Cells FOSS
Python
Chart

Chart

aspose-cells-foss stöder inbäddning av diagram i kalkylblad. Diagram hanteras via ws.charts, en ChartCollection bifogad till varje Worksheet. Serien data läggs till via chart.n_series, en NSeries samling.

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from aspose.cells_foss import ChartType

ChartType

ChartType är en IntEnum som identifierar diagramtypen.

NameTypeAccessDescription
type``ReadGets the type.
title``Read/WriteGets or sets the title.
category_data``Read/WriteGets or sets the category data.
show_legend``Read/WriteGets or sets the show legend.
legend_position``Read/WriteGets or sets the legend position.
smooth``Read/WriteGets or sets the smooth.
n_series``ReadGets the n series.
NSeries``ReadPascalCase alias of n_series.
grouping``Read/WriteGets or sets the grouping.
bar_direction``Read/WriteGets or sets the bar direction.
gap_width``Read/WriteGets or sets the gap width.
overlap``Read/WriteGets or sets the overlap.
vary_colors``Read/WriteGets or sets the vary colors.
first_slice_angle``Read/WriteGets or sets the first slice angle.
is_of_pie``Read/WriteGets or sets the is of pie.
of_pie_type``Read/WriteGets or sets the of pie type.
second_pie_size``Read/WriteGets or sets the second pie size.
quartile_method``Read/WriteGets or sets the quartile method.
box_show_mean_line``Read/WriteGets or sets the box show mean line.
box_show_mean_marker``Read/WriteGets or sets the box show mean marker.
box_show_inner_points``Read/WriteGets or sets the box show inner points.
box_show_outlier_points``Read/WriteGets or sets the box show outlier points.
box_gap_width``Read/WriteGets or sets the box gap width.
is_3d``Read/WriteGets or sets the is 3d.
gap_depth``Read/WriteGets or sets the gap depth.
view_3d``ReadGets the view 3d.
View3D``ReadPascalCase alias of view_3d.
show_connector_lines``Read/WriteGets or sets the show connector lines.
has_subtotals``Read/WriteGets or sets the has subtotals.
sub_charts``ReadList of sub-chart descriptors for combo charts.
axes``ReadList of ChartAxis objects defining all axes for the chart.
scatter_style``Read/WriteGets or sets the scatter style.
wireframe``Read/WriteWhether the surface chart uses wireframe display mode (<c:wireframe val=‘1’/>).
radar_style``Read/WriteRadar chart style: ‘standard’, ‘marker’, or ‘filled’.
histogram_bin_count``Read/WriteNumber of bins for count-based binning (int or None for auto/size-based).
histogram_bin_size``Read/WriteBin width for size-based binning (float or None for auto/count-based).
histogram_interval_closed``Read/WriteWhich side of each bin interval is closed: ‘r’ (right) or ’l’ (left).
histogram_overflow``Read/WriteOverflow bin boundary value (float or None).
histogram_underflow``Read/WriteUnderflow bin boundary value (float or None).
disp_blanks_as``Read/WriteGets or sets the disp blanks as.
stock_style``Read/WriteGets or sets the stock style.

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Chart objekt konstrueras inte direkt. Använd ws.charts.add(...) eller de typade bekvämlighetsmetoderna (add_bar(), add_line(), add_pie(), add_area()).

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SignatureDescription
__init__(chart_type, upper_left_row, upper_left_column, lower_right_row, lower_right_column)
add_series(values, category_data, name, chart_type, x_values)Convenience method to add a series.
add_axis(axis_type, axis_id)Adds an axis to the chart and returns it.
copy()Creates and returns a duplicate of the chart

ChartCollection

ChartCollection åtkomst sker som ws.charts. Den innehåller alla diagram som är inbäddade i ett kalkylblad.

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add 

ws.charts.add(
    chart_type: ChartType,
    upper_left_row: int,
    upper_left_column: int,
    lower_right_row: int,
    lower_right_column: int
) -> Chart

Lägger till ett diagram av den angivna typen. Alla positionsargument är 0‑baserade rad‑/kolumnindex.

add_bar 

ws.charts.add_bar(upper_left_row, upper_left_column, lower_right_row, lower_right_column) -> Chart

Genväg för add(ChartType.BAR, ...).

add_line 

ws.charts.add_line(upper_left_row, upper_left_column, lower_right_row, lower_right_column) -> Chart

Genväg för add(ChartType.LINE, ...).

add_pie 

ws.charts.add_pie(upper_left_row, upper_left_column, lower_right_row, lower_right_column) -> Chart

Genväg för add(ChartType.PIE, ...).

add_area 

ws.charts.add_area(upper_left_row, upper_left_column, lower_right_row, lower_right_column) -> Chart

Genväg för add(ChartType.AREA, ...).

Egenskaper och iteration

NSeries

NSeries åtkoms via chart.n_series. Den hanterar dataserierna som tillhör ett diagram.

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add 

chart.n_series.add(
    area: str,
    is_vertical: bool = False,
    category_data: str | None = None,
    name: str | None = None,
    chart_type: ChartType | None = None
) -> ChartSeries

Lägger till en dataserie. area är en intervallsträng såsom "Sheet1!B1:B5". Ställ in is_vertical=True när data är ordnad i kolumner. chart_type åsidosätter föräldradiagramtypen för denna serie (används i kombinationsdiagram).

Egenskaper och iteration

ChartSeries

ChartSeries representerar en enskild dataserie i ett diagram. Hämtas via chart.n_series[index].

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add_error_bars 

series.add_error_bars(
    direction='y',
    bar_type='both',
    val_type='fixedVal',
    val=1.0,
    no_end_cap=False
) -> ChartErrorBars

Lägger till felstaplar i denna serie och returnerar den ChartErrorBars objektet.

ChartAxis

ChartAxis åtkoms via chart.axes[index].

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ChartView3D

ChartView3D åtkomst sker via chart.view_3d. Gäller endast när chart.is_3d är True.

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ChartErrorBars

ChartErrorBars åtkomst sker via series.error_bars. Skapa med series.add_error_bars(...).

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Följande exempel skriver månatliga intäktsdata, skapar ett grupperat stapeldiagram med en titel och två dataserier, och sparar arbetsboken.

from aspose.cells_foss import Workbook, ChartType

wb = Workbook()
ws = wb.worksheets[0]
ws.name = "Revenue"

# Write headers and data
headers = ["Month", "Product A", "Product B"]
data = [
    ["Jan", 12000, 9500],
    ["Feb", 14500, 11000],
    ["Mar", 13200, 12800],
    ["Apr", 15800, 14100],
]
for col, h in enumerate(headers):
    ws.cells[0][col].put_value(h)
for row, row_data in enumerate(data, start=1):
    for col, val in enumerate(row_data):
        ws.cells[row][col].put_value(val)

# Add a bar chart covering rows 6-20, columns 0-6
chart = ws.charts.add_bar(6, 0, 20, 6)
chart.title = "Monthly Revenue by Product"
chart.bar_direction = "col"   # vertical (column chart)
chart.grouping = "clustered"

# Series: Product A and Product B
chart.n_series.add("Revenue!B2:B5", is_vertical=True, category_data="Revenue!A2:A5", name="Product A")
chart.n_series.add("Revenue!C2:C5", is_vertical=True, category_data="Revenue!A2:A5", name="Product B")

chart.show_legend = True
chart.legend_position = "bottom"

wb.save("revenue_chart.xlsx")

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