NAME:clickincell PURPOSE: click on a map and find in which cell the click was CATEGORY:finding where is a point on a grid CALLING SEQUENCE: res = clickincell() Click with the left button to select a cell. Clicking one more time in the same cell remove the cell from the selection. Click on the right button to quit. INPUTS:None KEYWORD PARAMETERS: CELLTYPE = 'T', 'W', 'U', 'V' or 'F': This this the type of point that is located in the center of the cell which the click is located. default is T type of cell (with corner defined by F points). /DRAWCELL: to draw the cell in which we clicked COLOR = the color used to draw the cells (Clicking one more time in the same cell will draw the cell with the white color) /ORIGINAL: to get the position of the cell regarding the original grid (with no key_shift, ixminmesh, iyminmesh...) /IJ: see outpus _EXTRA: to pass extra keywords to inquad and plot (when /drawcell) OUTPUTS: the the index of the selected cells regarding to the grid which is in memory in the variable of the common. If /ij keyword is activated give 2D array (2, n) which are the i,j position of the n selected cells. COMMON BLOCKS:common.pro SIDE EFFECTS: RESTRICTIONS: EXAMPLE: IDL> plt, findgen(jpi,jpj),/nodata,map=[90,0,0],/ortho IDL> print, clickincell(/draw,color=150,/xy) MODIFICATION HISTORY: