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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Anti-Spam Code: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Forum: Forum for Python Subject: Message: * HTML is OFF * Forum Code is ON Smilies I used Python to plot two sets of data. Both underwent grouping operations followed by colormap application. However, only the first set's colors take effect. Regardless of which set is placed first, the second set's colors consistently appear black. When opening Origin's plot properties under the Group tab, the symbol edge color fails to display correctly. The “Increment” setting is set to “Individual,” with the default being “None.” Why is this happening? [url]https://my.originlab.com/ftp/forum_and_kbase/Images/err_data.zip[/url] ---------------------------------------------- import os import pandas as pd import originpro as op def plot_excel_sheets(excel_path): book_name = os.path.splitext(os.path.basename(excel_path))[0] wb = op.new_book('w', book_name) xls = pd.ExcelFile(excel_path) for s_name in xls.sheet_names: df = xls.parse(s_name) if df.empty: continue X = df.iloc[:, 0] y_cols = df.iloc[:, 1:] n_y = y_cols.shape[1] if n_y == 0: continue headers = y_cols.columns.tolist() wks = wb.add_sheet(s_name) wks.from_list(0, X, lname='pd') for i, h in enumerate(headers, 1): wks.from_list(i, y_cols.iloc[:, i-1], lname=h) graph = op.new_graph(lname=book_name+"_"+s_name) gl = graph[0] half = n_y // 2 # line if half: line_rng = f'[{book_name}]{s_name}!(A,B:{half+1})' plot = gl.add_plot(line_rng, type='l') gl.group(True, 0, half-1) plot.set_cmd('-w 1500') plot.colormap = 'Color4Line' # scatter if n_y > half: scat_rng = f'[{book_name}]{s_name}!(A,{half+2}:{n_y+1})' plot = gl.add_plot(scat_rng, type='s') gl.group(True, half, n_y-1) plot.set_cmd('-z 9') #plot.set_cmd('-z 9','-csem Color4Line') plot.colormap = 'Color4Line' gl.rescale() if __name__ == '__main__': EXCEL_FILE = r'C:\Users\DELL\Desktop\example.xlsx' plot_excel_sheets(EXCEL_FILE)   Check here to subscribe to this topic.