www.gusucode.com > EasyKrig_V3.0工具箱matlab源码程序 > EasyKrig_V3.0/help/kriging_help.m
function krig_help(index,matlab_ver)
%% help file for kriging panel
%% Kriging Software Package version 2.0, October 29, 1999
%% Copyright (c) 1999, property of Dezhang Chu and Woods Hole Oceanographic
%% Institution. All Rights Reserved.
global para
varname=[];
content=[];
switch index
case 1
varname='Coordinates of Kriging Grids';
content={
' Minimum -- Mininum value (lower boundary) of the kriging grids',
' ',
' Maximum -- Maximum value (upper boundary) of the kriging grids',
' ',
' Resolution -- Resolution of the kriging grids',
' ',
' (X,Y,Z) -- Settings corresponding to coordinates in x, y, and z directions',
' The units are those specified in the ''Data Preparation'' window'};
case 2
varname='Kriging Parameters - I';
content={'Kriging Model:',
' ',
'Simple Kriging (SK):',
' Kriging with zero mean.',
' ',
'Ordinary Kriging (OK):',
' Kriging with a non-zero mean with an additional constraint that the',
' summation of the weighting coefficents is unity. OK can handle the ',
' situation with an unknown constant mean.',
' ',
'Universal Kriging (Linear drift):',
' Similar to the Ordinary Kriging, but with a linear',
' drift mean within the kriging region.'};
case 3
varname='Kriging Parameters - II';
content={'Kriging Scheme:',
' ',
' Point to Point Kriging:'
' To estimate the value at a specified location.'
' ',
' Point to Block Kriging:'
' To estimate the value of a block centered at a specified location.'
' When it is selected, block sizes, or number of sub-divisions in x,'
' y, and z directions need to be provided.'}
case 5
varname='Kriging Parameters - III';
content={'Other Kriging Parameters, including',
' '
' Search Radius: Search radius for kriging. This parameter specifies a circular',
' region within which the observed values are used to estimate',
' the value at a given location. However, if the number of observed data',
' points is less than the specified minimum kriging points or greater than the',
' specified maximum kriging points, it will be modified automatically to',
' satisfy the conditions involving the minimum and maximum kriging points.',
' This is a normalized dimensionless value, the maximum value is 1.414, or sqrt(2).',
' ',
' Minimum Kriging Points: The minimum number of points used in kriging to estimate the'
' value at a specified location. If within a previously specified search'
' radius, the number of data points is less than the specified minimum '
' kriging points, the program automatically enlarges the search radius until',
' the condition of the minimum kriging point is met.',
' ',
' Maximum Kriging Points: The maximum number of points used in kriging to estimate the'
' value at a specified location. If within a previously specified search'
' radius, the number of data points is greater than the specified maximum '
' kriging points, the program automatically reduces the search radius until',
' the condition of maximum kriging point is met.',
' ',
' Relative Variance: Kriging variance normalized by the data variance at the'
' location where the kriging estimate is made.'};
case 6
varname='Parameter File';
content={'Load parameter file using file browser -- There are three options:',
' ',
' (1) semi-variogram parameters only',
' (2) kriging parameters only',
' (3) both variogram and kriging parameters.',
' ',
'Save parameter file -- Save both semi-variogram and kriging parameters.'};
case 7
varname='Load Data Format File';
content={'Load data format file without loading the data in the ''Data Preparation'' ', ...
'window. The data format file should be saved previously in the ''Data Preparation'' ', ...
'window.'};
case 8
varname='Load Data File';
content={'Load data file without changing the variogram/correlogram parameters.'};
case 9
varname='Batch File Processing';
content={'This option allows user(s) to process data file using the same ',
'variogram/correlogram, and kriging parameters.',
' ',
' Load Filename-list File: load the text file in which a list of data files is ',
' provided. Each line in the file specifies a file with a full path being included.',
' ',
' Save Batch Process Log File: specify a filename and location of the log file.'
' ',
' Batch kriging pushbutton: klick on this button to start the batch kriging.'};
case 10
varname='Push Buttons';
content={
' Krig - Start Kriging.',
' ',
' Refresh - Update data file and variogram parameters, especially when a new data file is loaded.',
' ',
' Navigator - return to the base window (Navigator).',
' ',
' Quit - close this window.'};
case 20
varname='Coordinates of Kriging Grids: Customized (user-defined) Grid File';
content={'Specify a file that contains the customized grids. There are 2 columns (X,Y) '...
'in the file for a 2D problem and 3 coluumns (X,Y,Z) for a 3D problem. Note that '...
'the order of the column vectors (variables) in the file should be the same as the'...
'order of X, Y, or Z defined in the ''Data Preparation'' window. For example, ', ...
'for a 2D problem, the first and second columns in the original data file are Latitude '...
'and Longitude, respectively, but in the ''Data Preparation'' window, the conventional '...
'way is that the X axis is longitude and the Y axis is latitude. This can be done by '...
'selecting ''Data Col.2'' for the column of the X-axis and selecting ''Data Col.1'' for '...
'the column of the Y-axis in the ''Data Preparation'' window. ' ...
' '...
'In the customized grid file, the first and second columns ' ...
'should have ''Longitude'' on the first column and ''Latitude'' on the second column. ' ...
'This way the generic grid file will be independent of the original data file and can '...
'be applied to situations when the data file formats are different.'...
' '...
'The values on the customized grids are obtained using interpolation of the regular grids'...
'defined by the ''Coordinates'' in the Kriging window.'};
end
if ~isempty(varname) & ~isempty(content)
if para.Matlab_Version == 5
help_message(content,varname,[0 0 0]);
elseif para.Matlab_Version >= 6
p=general_message('no_action',varname,content);
end
end