[Scilab-users] Problems with To workspace and From workspace
Dear users, I have a problem with the To workspace respectively From workspace block in Xcos. Id like to write the value of a function to workspace if the value of another function changes its sign from + to -. A short time later Id like to use this value in a third function and retrieve it from workspace. For that I evaluate the first function with the NEGTOPOS_f block and give the output event to the TOWS_c block. The TOWS_c block is connected with the second function and should write the value to a vaiable A in the workspace. The FROMWSB block is connected with a third function which should use the variable that is saved before. Now I have the following problem: If I start the simulation, the FROMWSB says that the variable A does not exist. So my idea was to define the variable in the variable-browser before I start the simulation. If I do so I get an error at the TOWS_c block: Evaluation problem: value not updated from context. Protected variable name. Please choose another variable name. Is there any solution for that problem? Block parameters: From workspace: Variable name:C Interpolation Method: 0 Enable zero crossing: 1 Output at end: 1 To workspace: Size of buffer: 1 Scilab variable name: C Inherit:0 Definition of variable C in SciNotes upfront: C.time=0; C.values=0; Thank you in advance! Mit freundlichen Grüßen Best regards, Michael Ungelehrt Logo_TC_Cham Michael Ungelehrt, B.Eng. Laboringenieur THD Technische Hochschule Deggendorf Technologie Campus Cham Badstraße 21 D-93413 Cham Tel: +49 9971 99673-29 Fax: +49 9971 99673-69 E-Mail: michael.ungele...@th-deg.de Web: www.tc-cham.th-deg.de http://www.tc-cham.th-deg.de/ image003.jpg___ users mailing list users@lists.scilab.org http://lists.scilab.org/mailman/listinfo/users
Re: [Scilab-users] Problems with To workspace and From workspace
Hi Michael, Indeed it looks like you can't overwrite a variable defined in the context. Have you tried replacing the "FROMWSB" block with a "DOLLAR" block? Then it would have the same data and activation inputs as the "TOWS_c" block, and you would not need to pre-define 'C' (just give it an initial value in the block parameters). Hope this helps, Regards, Paul On 04/10/2014 09:27 AM, Michael Ungelehrt wrote: Dear users, I have a problem with the To workspace respectively From workspace block in Xcos. Id like to write the value of a function to workspace if the value of another function changes its sign from + to -. A short time later Id like to use this value in a third function and retrieve it from workspace. For that I evaluate the first function with the NEGTOPOS_f block and give the output event to the TOWS_c block. The TOWS_c block is connected with the second function and should write the value to a vaiable A in the workspace. The FROMWSB block is connected with a third function which should use the variable that is saved before. Now I have the following problem: If I start the simulation, the FROMWSB says that the variable A does not exist. So my idea was to define the variable in the variable-browser before I start the simulation. If I do so I get an error at the TOWS_c block: Evaluation problem: value not updated from context. Protected variable name. Please choose another variable name. Is there any solution for that problem? Block parameters: From workspace: Variable name: C Interpolation Method: 0 Enable zero crossing: 1 Output at end: 1 To workspace: Size of buffer: 1 Scilab variable name: C Inherit: 0 Definition of variable C in SciNotes upfront: C.time=0; C.values=0; Thank you in advance! Mit freundlichen Gren Best regards, Michael Ungelehrt Michael Ungelehrt, B.Eng. Laboringenieur THD Technische Hochschule Deggendorf Technologie Campus Cham Badstrae 21 D-93413 Cham Tel: +49 9971 99673-29 Fax: +49 9971 99673-69 E-Mail: michael.ungele...@th-deg.de Web: www.tc-cham.th-deg.de ___ users mailing list users@lists.scilab.org http://lists.scilab.org/mailman/listinfo/users -- Paul BIGNIER Development engineer --- Scilab Enterprises 143bis rue Yves Le Coz - 78000 Versailles, France Phone: +33.1.80.77.04.69 http://www.scilab-enterprises.com ___ users mailing list users@lists.scilab.org http://lists.scilab.org/mailman/listinfo/users
Re: [Scilab-users] Problems with To workspace and From workspace
The workspace variables are created in the Scilab environment at the end of the simulation You can probably use a DOLLAR block to do what you want Serge Le 10/04/2014 09:27, Michael Ungelehrt a crit: Dear users, I have a problem with the To workspace respectively From workspace block in Xcos. Id like to write the value of a function to workspace if the value of another function changes its sign from + to -. A short time later Id like to use this value in a third function and retrieve it from workspace. For that I evaluate the first function with the NEGTOPOS_f block and give the output event to the TOWS_c block. The TOWS_c block is connected with the second function and should write the value to a vaiable A in the workspace. The FROMWSB block is connected with a third function which should use the variable that is saved before. Now I have the following problem: If I start the simulation, the FROMWSB says that the variable A does not exist. So my idea was to define the variable in the variable-browser before I start the simulation. If I do so I get an error at the TOWS_c block: Evaluation problem: value not updated from context. Protected variable name. Please choose another variable name. Is there any solution for that problem? Block parameters: From workspace: Variable name: C Interpolation Method: 0 Enable zero crossing: 1 Output at end: 1 To workspace: Size of buffer: 1 Scilab variable name: C Inherit: 0 Definition of variable C in SciNotes upfront: C.time=0; C.values=0; Thank you in advance! Mit freundlichen Gren Best regards, Michael Ungelehrt Michael Ungelehrt, B.Eng. Laboringenieur THD Technische Hochschule Deggendorf Technologie Campus Cham Badstrae 21 D-93413 Cham Tel: +49 9971 99673-29 Fax: +49 9971 99673-69 E-Mail: michael.ungele...@th-deg.de Web: www.tc-cham.th-deg.de ___ users mailing list users@lists.scilab.org http://lists.scilab.org/mailman/listinfo/users ___ users mailing list users@lists.scilab.org http://lists.scilab.org/mailman/listinfo/users
[Scilab-users] call_scilab into running session
Hi! I am not really familiar with the concept of call_scilab. Is it possible to connect to an already running scilab session and execute commands in that environment? Or do I have to start a new scilab session for my program? I am asking because I want to replace a complicated (and slow) scilab gui, with a C++ program, to control some measurements. I want to access features and data in my running scilab session from my gui. Best Regards, Arvid ___ users mailing list users@lists.scilab.org http://lists.scilab.org/mailman/listinfo/users
