HAS-Motion Software Documentation

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**modify_analog_parameters** | | |/analog_labels= |enter the new analog labels in the order that they appear in the c3d file analog parameters. | |/analog_gen_scale= |enter a scaling factor that is multiplied by the analog_scale factors that are applied to every signal. | |/analog_scale= |enter a scaling factor that is multiplied by the analog_gen_scale and applied to each signal. | |/analog_offset= |enter an offset for each signal that is subtracted from each signal before the signal is scaled. | |/analog_baseline= |enter a baseline offset for each signal that is subtracted from each signal before the signal is scaled.| |/analog_unit= |enter the units for each analog signal. | |/[[visual3d:documentation:pipeline:file_commands:update_c3d_file|update_c3d_file]]=|(true or false) update the c3d file on disk automatically. | |**;** | | **note:** if **update_c3d_file=true** the c3d file on disk will be modified automatically. if false only the current workspace is modified, not the file on disk. if the **analog_scale** or **analog_labels** parameter have fewer entries in the command than signals in the file, only the number parameters specified will be processed. //in the order that the signals appear in the c3d parameters section of the file// for example, if only one **analog_labels** parameter is specified in the command, only the first **analog_label** will be modified. the example below will modify the scale to 1.0 for the first 5 analog signals and automatically save the file to disk. no other analog parameters will be modified. <code> modify_analog_parameters ! /analog_labels= ! /analog_gen_scale= /analog_scale= 1.0+1.0+1.0+1.0+1.0 ! /analog_offset= ! /analog_baseline= ! /update_c3d_file=true ; </code> the **/analog_baseline** parameter will accept expressions. the example below will modify the baseline value for the first analog signal using a metric signal metric::processed::offset <code> modify_analog_parameters ! /analog_labels= ! /analog_gen_scale= ! /analog_scale= ! /analog_offset= /analog_baseline=metric::processed::offset ! /update_c3d_file=false ; </code> ==== common analog parameters ==== common parameters that visual3d expects to be in the analog section of the c3d file. |**gen_scale** |scaling factor that is multiplied by the analog_scale factors that are applied to every signal | |**rate** |the sampling rate of the analog data | |**scale** |a scaling factor for each signal that is multiplied by the analog_gen_scale and applied to each signal. | |**offset** |an offset for each signal that is subtracted from each signal before the signal is scaled. | |**used** |the number of signals containing analog data | |**labels** |the label names of the analog data signals | |**descriptions**|the descriptions of the analog data signals. this information is rarely used by visual3d. | |**format** |for integer data declares 12 bit or 16 bit data | |**units** |the units in which the analog data signals are stored in the file. the default value is v (volts) | |**baselines** |used by visual3d to define a baseline to be subtracted from each analog signal after the scale and offset are applied. this value is typically computed during real_time streaming of the data.| \\ other parameters will be read by visual3d but only in special circumstances will they be used. the **baselines** parameter was introduced by c-motion to accommodate real-time streaming data. for streaming data there is no frame number from which to define a range for the zero parameter. this doesn't mean that the zero parameter should be ignored. in visual3d streaming there is a button to starting the zero range. in order to replicate the data for post-processing these baselines need to be saved with the c3d file and the zero parameter set to 0,0. \\ \\ [[visual3d:documentation:pipeline:general_information:pipeline_commands_reference|back to pipeline commands reference]]