Function msGetProjectionString

mapproject.c:1124–1168

/************************************************************************/

char *msGetProjectionString(projectionObj *proj)
{
    char        *pszProjString = NULL;
    int         i = 0, nLen = 0;

    if (proj)
    {
/* -------------------------------------------------------------------- */
/*      Alloc buffer large enough to hold the whole projection defn     */
/* -------------------------------------------------------------------- */
        for (i=0; i<proj->numargs; i++)
        {
            if (proj->args[i])
                nLen += (strlen(proj->args[i]) + 2);
        }

        pszProjString = (char*)malloc(sizeof(char) * nLen+1);
        pszProjString[0] = '\0';

/* -------------------------------------------------------------------- */
/*      Plug each arg into the string with a '+' prefix                 */
/* -------------------------------------------------------------------- */
        for (i=0; i<proj->numargs; i++)
        {
            if (!proj->args[i] || strlen(proj->args[i]) == 0)
                continue;
            if (pszProjString[0] == '\0')
            {
                /* no space at beginning of line */
                if (proj->args[i][0] != '+')
                    strcat(pszProjString, "+");
            }
            else
            {
                if (proj->args[i][0] != '+')
                    strcat(pszProjString, " +");
                else
                    strcat(pszProjString, " ");
            }
            strcat(pszProjString, proj->args[i]);
        }
    }

    return pszProjString;
}

/************************************************************************/
/*                       msAxisNormalizePoints()                        */