uweziegenhagen.de

 
from PIL import Image, ImageChops # generic
import numpy as np # numerical
from skimage.metrics import structural_similarity as ssim
import cv2
 
# Load the images
img1 = Image.open("1.png")
img2 = Image.open("2.png")
 
# Compute absolute difference
diff = ImageChops.difference(img1, img2)
 
# Save or show the difference image
diff.save("difference.png")
diff.show()
 
 
# Load PNGs into numpy arrays
img1 = np.array(Image.open("1.png"))
img2 = np.array(Image.open("2.png"))
 
# Compute pixel-wise absolute difference
diff = np.abs(img1.astype(int) - img2.astype(int))
 
# Save result
Image.fromarray(diff.astype(np.uint8)).save("difference.png")
# Or compute some stats:
print("Mean difference:", diff.mean())
print("Max difference:", diff.max())
 
 
# Convert to grayscale
gray1 = cv2.cvtColor(img1, cv2.COLOR_BGR2GRAY)
gray2 = cv2.cvtColor(img2, cv2.COLOR_BGR2GRAY)
 
score, diff = ssim(gray1, gray2, full=True)
print("SSIM:", score)
 
# diff is in [0,1]; scale to 0-255 to view as an image
diff = (diff * 255).astype("uint8")
cv2.imwrite("ssim_diff.png", diff)

\documentclass[tikz,border=5pt]{standalone}
\begin{document}
\begin{tikzpicture}[line join=round, line cap=round]
 
% ------------------------------
% Parameter
% ------------------------------
\def\ordnerwidth{2.5}   % Rückenbreite des Ordners
\def\ordnerheight{11}   % Höhe des Ordners
 
% Abgeleitete Maße
\pgfmathsetmacro{\lochdiam}{0.7*\ordnerwidth}
\pgfmathsetmacro{\labelwidth}{0.8*\ordnerwidth}
\pgfmathsetmacro{\lochx}{0.5*\ordnerwidth}
\pgfmathsetmacro{\labelx}{0.5*(\ordnerwidth-\labelwidth)}
 
% ------------------------------
% Zeichnung
% ------------------------------
 
% Rücken
\draw[fill=gray!20] (0,0) rectangle (\ordnerwidth,\ordnerheight);
 
% Etikettfeld (mittig auf Rücken)
\draw[fill=white] (\labelx,3) rectangle ++(\labelwidth,7);
\foreach \y in {8.5,8,7.5,7,6.5} {
  \draw (\labelx+0.2,\y) -- (\labelx+\labelwidth-0.2,\y);
}
 
% Griffloch (mittig unten am Rücken)
\draw[fill=black!40] (\lochx,1.2) circle (\lochdiam/2);
\draw[fill=white] (\lochx,1.2) circle (\lochdiam/2.2);
 
\end{tikzpicture}
\end{document}

\documentclass[tikz,border=5pt]{standalone}
\begin{document}
\begin{tikzpicture}[line join=round, line cap=round]
 
% ------------------------------
% Parameter
% ------------------------------
\def\ordnerwidth{2.5}   % Rückenbreite des Ordners
\def\ordnerheight{10}   % Höhe
\def\depth{2}           % Tiefe in die Perspektive
 
% Abgeleitete Maße
\pgfmathsetmacro{\lochdiam}{0.8*\ordnerwidth}
\pgfmathsetmacro{\labelwidth}{0.8*\ordnerwidth}
\pgfmathsetmacro{\lochx}{0.5*\ordnerwidth}
\pgfmathsetmacro{\labelx}{0.5*(\ordnerwidth-\labelwidth)}
 
% ------------------------------
% Zeichnung
% ------------------------------
 
% Rückseite (Rücken sichtbar)
\draw[fill=gray!20] (0,0) -- (\ordnerwidth,0) -- (\ordnerwidth,\ordnerheight) -- (0,\ordnerheight) -- cycle;
 
% Seitenfläche
\draw[fill=gray!10] (\ordnerwidth,0) -- (\ordnerwidth+\depth,0.6) -- (\ordnerwidth+\depth,\ordnerheight+0.6) -- (\ordnerwidth,\ordnerheight) -- cycle;
 
% Oberseite
\draw[fill=gray!30] (0,\ordnerheight) -- (\ordnerwidth,\ordnerheight) -- (\ordnerwidth+\depth,\ordnerheight+0.6) -- (\depth,\ordnerheight+0.6) -- cycle;
 
% Etikettfeld (mittig auf Rücken)
\draw[fill=white] (\labelx,6) rectangle ++(\labelwidth,3);
\foreach \y in {8.5,8,7.5,7,6.5} {
  \draw (\labelx+0.2,\y) -- (\labelx+\labelwidth-0.2,\y);
}
 
% Griffloch (mittig unten am Rücken)
\shade[ball color=black!50] (\lochx,1.2) circle (\lochdiam/2);
\fill[white] (\lochx,1.2) circle (\lochdiam/2.5);
 
% Umrandung
\draw[thick] (0,0) -- (\ordnerwidth,0) -- (\ordnerwidth+\depth,0.6) -- (\ordnerwidth+\depth,\ordnerheight+0.6) -- (\depth,\ordnerheight+0.6) -- (0,\ordnerheight) -- cycle;
 
\end{tikzpicture}
\end{document}

%!TEX TS-program = pdflatex
\documentclass[12pt,ngerman,tikz]{standalone}
 
\begin{document}
\begin{tikzpicture}[red,draw=red, fill=red]
 
% a plug
\newcommand{\plug}[2]{% three circles, inner one is filled
    \fill (#1,#2) circle (0.1875cm);
    \draw (#1,#2) circle (0.28cm);
    \draw (#1,#2) circle (0.42cm);
}
 
% buttons
\newcommand{\button}[2]{% three circles, inner one is filled
    \fill (#1,#2) circle (0.5cm);
    \fill[white] (#1,#2) circle (0.4cm);
}
 
% a plug with a label above
\newcommand{\labelplug}[3]{%
    \fill (#1,#2) circle (0.1875cm);
    \draw (#1,#2) circle (0.28cm);
    \draw (#1,#2) circle (0.42cm);
    \node[above=0.35cm,font=\sffamily\bfseries\scriptsize] at (#1,+#2) {#3};
}
 
%  \knob{x}{y}{size}{angle} 
\newcommand{\knob}[4]{%
  \pgfmathsetmacro{\radius}{#3}%
  \pgfmathsetmacro{\reduced}{\radius * 0.8}%
  \pgfmathsetmacro{\tikzAngle}{90 - #4}%
  \draw[thick, fill=white!30] (#1,#2) circle (\radius cm);
  \draw[line width=2pt, red] (#1,#2) -- ++(\tikzAngle:\reduced cm);
}
 
% plug with label and led, in a frame
\newcommand{\labelplugled}[3]{%
    \fill (#1,#2) circle (0.1875cm);
    \draw (#1,#2) circle (0.28cm);
    \draw (#1,#2) circle (0.42cm);
    \node[above=0.35cm,font=\sffamily\bfseries\scriptsize] at (#1,#2) {#3};
     \draw[rounded corners=2pt]
      (#1-0.5, #2-0.5)
        rectangle
      (#1+0.5, {#2+1.2});
    \draw (#1,#2+0.945) circle (0.1cm);
}
 
% plug with label but no led, in a frame
\newcommand{\labelplugnoled}[3]{%
    \fill (#1,#2) circle (0.1875cm);
    \draw (#1,#2) circle (0.28cm);
    \draw (#1,#2) circle (0.42cm);
    \node[above=0.35cm,font=\sffamily\bfseries\scriptsize] at (#1,#2) {#3};
     \draw[rounded corners=2pt]
      (#1-0.5, #2-0.5)
        rectangle
      (#1+0.5, {#2+1.2});
 
}
 
% Screenshot from the manual, in the background
%\node[anchor=north west ,inner sep=0] (frame1) at (1,13)    {\includegraphics[width=10cm]{2025-09-20 04 09 06.png}};
 
% grid
\draw[help lines,red] (0,0) grid (13,14);
 
\draw[very thick, rounded corners=2pt](1,0.35) rectangle (11,13);
 
\labelplug{1.75}{11.5}{IN 1};
\labelplug{2.85}{11.5}{TRIG 1};
 
\labelplug{5.45}{11.5}{IN 2};
\labelplug{6.55}{11.5}{IN 3};
 
\labelplug{9.175}{11.5}{TRIG 4};
\labelplug{10.25}{11.5}{IN 4};
 
\plug{1.75}{10.2};
\plug{1.75}{9};
\plug{1.75}{7.9};
\plug{1.75}{6.55};
 
\plug{10.25}{10.2};
\plug{10.25}{9};
\plug{10.25}{7.9};
\plug{10.25}{6.55};
 
 
\labelplugled{1.75}{1.8}{EOR};
\labelplugled{2.9}{1.8}{$\smallint$};
 
\labelplugnoled{4.9}{1.8}{OR};
\labelplugled{6}{1.8}{SUM};
\labelplugnoled{7.1}{1.8}{INV};
 
\labelplugled{9.14}{1.8}{$\smallint$};
\labelplugled{10.25}{1.8}{EOC};
 
\labelplugnoled{4.25}{3.6}{OUT 1};
\labelplugnoled{5.4}{3.6}{OUT 2};
\labelplugnoled{6.55}{3.6}{OUT 3};
\labelplugnoled{7.7}{3.6}{OUT 4};
 
\knob{3.5}{10.2}{0.7}{0}
\knob{8.5}{10.2}{0.7}{0}
 
\knob{3.5}{7.9}{0.7}{0}
\knob{8.5}{7.9}{0.7}{0}
 
\knob{3.5}{5.7}{0.7}{0}
\knob{8.5}{5.7}{0.7}{0}
 
\knob{5}{9}{0.35}{0}
\knob{7}{9}{0.35}{0}
\knob{5}{6.75}{0.35}{0}
\knob{7}{6.75}{0.35}{0}
 
\button{2.3}{4.15}
\button{9.7}{4.15}
 
\node at (5,9.6){\sffamily\bfseries\footnotesize1};
\node at (7,9.6){\sffamily\bfseries\footnotesize4};
\node at (5,7.35){\sffamily\bfseries\footnotesize2};
\node at (7,7.35){\sffamily\bfseries\footnotesize4};
 
\node at (4.75,8.5){\sffamily\bfseries--};
\node at (5.3,8.5){\sffamily\bfseries+};
\node at (4.75,6.25){\sffamily\bfseries--};
\node at (5.3,6.25){\sffamily\bfseries+};
 
\node at (6.75,8.5){\sffamily\bfseries--};
\node at (7.3,8.5){\sffamily\bfseries+};
\node at (6.75,6.25){\sffamily\bfseries--};
\node at (7.3,6.25){\sffamily\bfseries+};
 
 
\draw[very thick] (3.4,11.5) -- (3.95,11.5) -- (5,10.5) -- (5,9.8);
\draw[very thick] (8.7,11.5) -- (8.1,11.5) -- (7,10.5) -- (7,9.8);
 
\draw[very thick] (5.45,10.85) -- (5.7,10.6) -- (5.7,7.5) -- (5.3,7.1);
\draw[very thick] (6.55,10.85) -- (6.3,10.6) -- (6.3,7.5) -- (6.7,7.1);
 
\foreach \x in {0,1,2,3,4,5,6,7,8,9,10,11,12} {
\node(a) at (\x,-0.5){\x};}
 
\foreach \y in {0,1,2,3,4,5,6,7,8,9,10,11,12,13} {
\node(a) at (0.5,\y){\y};}
 
\end{tikzpicture}
\end{document}

Filled AS (
    SELECT
        ContNo,
        MonthEnd,
        Amount,
        last_value(Amount) IGNORE NULLS
        OVER (
            PARTITION BY ContNo
            ORDER BY MonthEnd
            ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW
        ) AS ForwardFilledAmount
    FROM Combined
)
SELECT * FROM Filled

Filled AS (
    SELECT
        c.ContNo,
        c.MonthEnd,
        c.Amount,
        ca.ForwardFilledAmount
    FROM Combined c
    OUTER APPLY (
        SELECT TOP 1 Amount AS ForwardFilledAmount
        FROM Combined c2
        WHERE c2.ContNo = c.ContNo
          AND c2.MonthEnd <= c.MonthEnd
          AND c2.Amount IS NOT NULL
        ORDER BY c2.MonthEnd DESC
    ) ca
)
SELECT * FROM Filled

WITH MonthSequence AS (
    SELECT
        c.ContNo,
        EOMONTH(c.StartDate) AS MonthEnd,
        c.EndDate
    FROM Contracts c
    UNION ALL
    SELECT
        ms.ContNo,
        EOMONTH(DATEADD(MONTH, 1, ms.MonthEnd)),
        ms.EndDate
    FROM MonthSequence ms
    WHERE EOMONTH(DATEADD(MONTH, 1, ms.MonthEnd)) <= ms.EndDate
)

WITH CashflowBuckets AS (
    SELECT
        ContNo,
        EOMONTH(CashflowDate) AS MonthEnd,
        Amount
    FROM Cashflows
)
SELECT * FROM CashflowBuckets

WITH MonthSequence AS (
    SELECT
        c.ContNo,
        EOMONTH(c.StartDate) AS MonthEnd,
        c.EndDate
    FROM Contracts c
    UNION ALL
    SELECT
        ms.ContNo,
        EOMONTH(DATEADD(MONTH, 1, ms.MonthEnd)),
        ms.EndDate
    FROM MonthSequence ms
    WHERE EOMONTH(DATEADD(MONTH, 1, ms.MonthEnd)) <= ms.EndDate
)
,CashflowBuckets AS (
    SELECT
        ContNo,
        EOMONTH(CashflowDate) AS MonthEnd,
        Amount
    FROM Cashflows
)
,Combined AS (
   SELECT
        ms.ContNo,
        ms.MonthEnd,
        cb.Amount
    FROM MonthSequence ms
    LEFT JOIN CashflowBuckets cb
        ON ms.ContNo = cb.ContNo
        AND ms.MonthEnd = cb.MonthEnd
)
 
SELECT * FROM Combined

CREATE TABLE paymentplan (
    contract INTEGER NOT NULL,
    paymentdate INTEGER NOT NULL,
    paymenttype INTEGER NOT NULL,
    amount NUMERIC(12, 2) NOT NULL
);

import pandas as pd
from datetime import datetime
from dateutil.relativedelta import relativedelta
 
def genPaymentPlan(contract, principal, paymentsperyear, interestrate, startdate, years):
    interest = interestrate/100*principal/paymentsperyear
    date = datetime.strptime(startdate, '%Y%m%d').date()
    output = pd.DataFrame(columns=['Contract', 'Paymentdate', 'Paymenttype', 'Amount'])
 
    # Add a row to the DataFrame
    start = {'Contract': contract, 'Paymentdate': startdate, 'Paymenttype': 1, 'Amount' : principal}
    output = pd.concat([output, pd.DataFrame([start])], ignore_index=True)  
 
    for payment in range(paymentsperyear*years):
        new_date = (date + relativedelta(months=12/paymentsperyear))
        date = new_date
        interest_line = {'Contract': contract, 'Paymentdate': new_date.strftime('%Y%m%d'),'Paymenttype': 2, 'Amount' : -1*interest}
        output = pd.concat([output, pd.DataFrame([interest_line])], ignore_index=True)  
 
    end = {'Contract': contract, 'Paymentdate': date.strftime('%Y%m%d'), 'Paymenttype': 3, 'Amount' : -principal}
    output = pd.concat([output, pd.DataFrame([end])], ignore_index=True)          
    return output
 
 
test = genPaymentPlan(123458, 2000, 2, 12, '20260101', 4)
#print(test)
 
 
 
# Generate INSERT statements
print("Generated SQL INSERT statements:\n")
 
for index, row in test.iterrows():
    contract = int(row['Contract'])
    date = row['Paymentdate']  # already string in format YYYY-MM-DD
    type =  row['Paymenttype'] 
    amount = float(row['Amount'])
 
 
    insert = f"INSERT INTO paymentplan (contract, paymentdate,paymenttype, amount) VALUES ({contract}, '{date}', {type} , {amount});"
    print(insert)

%!TEX TS-program = Arara
% arara: lualatex: {shell: no}
\documentclass{scrartcl}
\usepackage[margin=1cm]{geometry}
\usepackage{tikz}
 
\begin{document}
 
\begin{tikzpicture}
    % Define the pattern as a comma-separated list
    \def\pattern{x,-,x,x,-,x,x,-,-,-,x,x,-,-,-,x}
    \def\cellsizex{1cm}
    \def\cellsizey{0.5cm}
 
    %\draw (0,0) rectangle ++ (\cellsizex-1, \cellsizey);
    \node[draw, rectangle,minimum width = \cellsizex, align=left,minimum height=\cellsizey] (a) at (\cellsizex/2,\cellsizey/2){1}; 
 
    % Loop through each character in the pattern
    \foreach \cell [count=\index from 1] in \pattern {
        % If 'x' fill the cell, otherwise leave it empty
        \if\cell x
            \fill[gray,draw=black] ({\index*\cellsizex}, 0) rectangle ++(\cellsizex, \cellsizey);
        \else
            \draw ({\index*\cellsizex}, 0) rectangle ++(\cellsizex, \cellsizey);
        \fi
    }
\end{tikzpicture}
 
\end{document}