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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: LabTalk Forum Subject: Message: * HTML is OFF * Forum Code is ON Smilies Dear Sir, I have encountered many problems with data processing using LabTalk scripting language these days, as follows: 1. I run the following code: string opj1$ = "F:\\gain_1.opj"; string opj2$ = "F:\\gain_2.opj"; int opj_num = 2; StringArray opj; opj.setsize(opj_num); for(int index=1; index<=opj.getsize(); index++) opj.SetAtGrow(index, opj$(index)$); for(int opj_index=1; opj_index<=opj_num; opj_index++){ string temp$ = opj.GetAt(opj_index+1)$; temp$=; } The following error occurs: F:\\gain_2.opj opj.GetAt(opj_index+1)$ string expression error! TEMP:failed to add variable to local stack! #Command Error! Although temp$was successfully assigned, an error was reported. How to eliminate the error? 2. After using the command 'spectrum -i', how to use the current image as a reflection of the new color scale? Because the color scale created with this command are not related to the line color in my chart. In addition, how to set the color scale to show only the maximum and minimum values? 3. How do I draw an arrow between two points in an image and set properties such as its width and color? 4. How to attach all workbooks in the root folder of another project file (which has only one root folder and no subfolders) to the root folder of the current project (which has only one root folder and no subfolders) without creating a new subfolder. Since I found when using doc-a that my colleague's origin creates a new subfolder and mine does not (both versions are 2021), I used the doc-afa command without any reaction in my origin. Here's my code: string opj1$ ="F:\\gain_1.opj"; string opj2$ = "F:\\gain_2.opj"; int opj_num = 2; StringArray opj; opj.setsize(opj_num); for(int index=1; index<=opj.getsize(); index++) opj.SetAtGrow(index, opj$(index)$);for(int opj_index=1; opj_index<=opj_num; opj_index++){ if(opj_index>1){ string temp$; temp.insert(0, opj.GetAt(opj_index)$); //doc -afa %(temp$); //doc -afa %(opj.GetAt(opj_index)$); doc -afa %(temp$) %(temp.getfilename(1)$); } } Can you give me a specific LabTalk code? Thank you very much, I wish you a long and healthy life and everything goes well.   Check here to subscribe to this topic.