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Cells for same points with different value - what goes to grid?

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    Brittany Bodane

    Hi Vitaliy,

    Thank you for sending your question. Your XLS should be set up where you have a column for the X, column for the Y, and separate columns for each Z corresponding to each XY pair. For example:

    When gridding (Home | Grid Data | Grid Data) you must assign the XYZ to the appropriate columns in your worksheet in the Data Columns section. The grid will then be created with the Z column of your choosing.

    You can read more information about the Grid Data dialog in Surfer's Online Help on the Grid Data page. 

    Please let me know if there is anything else I can help you with.

    Thanks,

    Brittany Bodane

    Golden Software

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    Vitaliy

    But it will be another grid.

    We made researches with two methods at profile. One method on the beginning, another on the end. Some points were made with both methods. I made different grids for each method, but I want to know, how will be calculated grid from file with both methods. If it takes first value or middle value...

    First method

    Second method

    And full profile:

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    Brittany Bodane

    Hi Vitaliy,

    I'm sorry I am not quite sure what you are asking. Currently, Surfer does not have the ability to grid XYZC data. This means to create a grid you can only use one component, or Z, value when gridding which is why a new grid is created for each Z column you grid with the XY pairs. I will add a vote on your behalf to our suggestion file that we add this ability to future versions of Surfer. 

    When displaying a grid file as a contour map, the variable being contoured is the Z column. 

    If you are asking about duplicate data points in the XYZ data columns during gridding, you can filter out duplicate data points in the Grid Data dialog by clicking Grid Filter. 

    If my response did not fully address your question, feel free to send your project and additional information to us at support@goldensoftware.com. We would be happy to point you in the right direction. 

    Thanks,

    Brittany Bodane

    Golden Software

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    Vitaliy

    Thanks, XYZC is not needed. I actually asked about duplicate data points. Thank you very much, you showed how to choose what I want.

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