Dyalog Forums

Here is what I am using to make a byte array: ba←ByteArray bytes;⎕IO ⍝ Function to get a .Net byte array ⍝ bytes = numbers in the range of 0 to 255 ⍝ ba = .Net Byte[] ⎕USING∪←⊂'System,mscorlib.dll' ⋄ ⎕IO←0 ba←Array.CreateInstance(Byte(⍴,bytes)) ⍝ Empty array of type 'Byte' {ba.Set ⍵}¨↓(⍳⍴,bytes),[0.5 ...

Hello Ray, I am not an expert in Fourier Transform but here is what I have done: ∇ X←DFT x;k;n;N ⍝ Discrete Fourier Transform ⍝ https://en.wikipedia.org/wiki/Discrete_Fourier_transform ⍝ DFT←{⍵+.×⍨*○0J¯2×n÷⍨∘.×⍨¯1+⍳n←≢⍵} APLCart WS Full if too big ⍝ For x←1 2J¯1 0J¯1 ¯1J2 then X = 2 ¯2J¯2 0J¯2 4J4 ⍝ ...

Thanks Paul and Adam for your answer. I found the culprit. I have a Logitech K800 keyboard and with the Logi+ software to configure the keyboard there is an option: ' Use F1, F2, etc. keys as standard function keys '. This option was disable, once I enable it the ⎕PFKEY started working. There was no ...

While using Dyalog APL/W-64 Version 19.0.48959 on Windows 10 Pro if I try to define a 'Program Function Key' like this: (')VARS',⊂'ER')⎕PFKEY 2 it does not work when I press on F2 (Mail program is opening up). If I press on F1 while the caret is on ⎕PFKEY for example, the Dyalog help will not open bu ...

If you don't mind using .Net here is what I am using: To start a Win32 function: ⎕USING∪←⊂',System.dll' sink←System.Diagnostics.Process.Start(⊂'notepad.exe') sink←System.Diagnostics.Process.Start(⊂'calc.exe') sink←System.Diagnostics.Process.Start(⊂'C:\Program Files (x86)\Dyalog') To get the TempPath: ...

If you don't mind using .Net you can find what you are looking for here: https://old.aplwiki.com/netFreeImage

Regards,

Pierre Gilbert

OK, thanks Vince. Will do.

If I do the following in a )Clear WS: )ed ⍟ demo :Namespace demo ∇ test a←⍳5 ⍝ todo ∇ :EndNamespace And now if I click on the 'Search' icon in the 'Tool' toolbar of the IDE, there is the 'Find Objects' Window that will appear as expected. Question: How do I set up the search to find the text 'todo' i ...

Looks like the SharpPlotImage class can be integrated into a Dyalog Form this way: ⎕USING∪←⊂',sharpplot.dll' sp1←⎕NEW Causeway.SharpPlot sp1.Heading←'This is a Dyalog demo' sp1.XAxisStyle←Causeway.XAxisStyles.(GridLines+CenteredCaption) sp1.XTickStyle←Causeway.XTickStyles.MinorTicks sp1.XCaption←'X C ...

Question to Dyalog: How to make this work ? ⎕USING∪ ← ⊂'Causeway,sharpplot.dll' ⎕NEW SharpPlotViewer Causeway.SharpPlotViewer, Text: SharpPlot chart viewer ⍝ This is working 'Form' ⎕WC 'Form' ('Coord' 'Pixel') 'Form.spv' ⎕WC 'NetControl' 'SharpPlotViewer' ⍝ This is NOT working LIMIT ERROR: The object ...