Nützliche Hilfsmittel zur explorativen Datenanalyse

hogi · Dec 7, 2024 1:13 AM

Nützliche Hilfsmittel zur explorativen Datenanalyse
Dr. Holger Specht, Principal Engineer R&D - ams OSRAM Group

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#DACH2024

hogi · Oct 9, 2024 07:24 AM

AddIns which were presented in the talk:

QuickSelect Toolbar
Graph Builder Toolbar
Image Analyzer (by @JohnPonte) with added "flood" button *)

*) flood script:

flood = Function({},

Try(:"neighbors_dir+diag"n<< get name(), Caption("can you tell me the direct and diagonal neighbors ?!?"); stop());
dt = current data table();
nr = n rows(dt = dt);

Try(:wall; dt << delete column(:wall));
new column("wall", Nominal, set each value(1));
:wall[1]=2;

dt << Graph Builder(
	Show Control Panel( 0 ),
	Variables( X( :X ), Y( :Y ), Color( :wall ) ),
	Elements( Points( X, Y, Legend( 4 ) ) )
);

wait(1);

dt << begin data update();


// mark additional pixels as wall "2" if the neighboring pixel belongs to wall 2 - swipe from top to bottom, then inverse  - and so on ...
for( i = 1, i<16, i++ ,
dt << begin data update();
for each ({rw}, 1::nr,
if(rw>1,
:wall[rw] = max(:wall[:"neighbors_dir+diag"n[rw]])));

for each ({rw}, reverse(1::nr),
if(rw>1,
:wall[rw] = max(:wall[:"neighbors_dir+diag"n[rw]])));
dt << end data update();

wait(0.1);

);

)

flood = Function({}, Try(:"neighbors_dir+diag"n<< get name(), Caption("can you tell me the direct and diagonal neighbors ?!?"); stop()); dt = current data table(); nr = n rows(dt = dt); Try(:wall; dt << delete column(:wall)); new column("wall", Nominal, set each value(1)); :wall[1]=2; dt << Graph Builder( Show Control Panel( 0 ), Variables( X( :X ), Y( :Y ), Color( :wall ) ), Elements( Points( X, Y, Legend( 4 ) ) ) ); wait(1); dt << begin data update(); // mark additional pixels as wall "2" if the neighboring pixel belongs to wall 2 - swipe from top to bottom, then inverse - and so on ... for( i = 1, i<16, i++ , dt << begin data update(); for each ({rw}, 1::nr, if(rw>1, :wall[rw] = max(:wall[:"neighbors_dir+diag"n[rw]]))); for each ({rw}, reverse(1::nr), if(rw>1, :wall[rw] = max(:wall[:"neighbors_dir+diag"n[rw]]))); dt << end data update(); wait(0.1); ); )