source: issm/trunk/src/c/kml/KML_LineString.cpp@ 16560

/*!\file KML_LineString.cpp
 * \brief: implementation of the kml_linestring object
 */

/*Headers:*/
/*{{{*/
#ifdef HAVE_CONFIG_H
        #include <config.h>
#else
#error "Cannot compile with HAVE_CONFIG_H symbol! run configure first!"
#endif

#include "./KML_LineString.h"
#include "./KMLFileReadUtils.h"
#include "../shared/shared.h"
/*}}}*/

/*Constructors/destructor/copy*/
/*FUNCTION KML_LineString::KML_LineString(){{{*/
KML_LineString::KML_LineString(){

        extrude   =false;
        tessellate=false;
        memcpy(altmode,"clampToGround",(strlen("clampToGround")+1)*sizeof(char));

        ncoord    =0;
        coords    =NULL;

}
/*}}}*/
/*FUNCTION KML_LineString::~KML_LineString(){{{*/
KML_LineString::~KML_LineString(){

        if (coords) xDelete<double>(coords);

        coords    =NULL;
        ncoord    =0;

}
/*}}}*/

/*Other*/
/*FUNCTION KML_LineString::Echo {{{*/
void  KML_LineString::Echo(){

        bool  flag=true;

        if(flag) _printf0_("KML_LineString:\n");
        KML_Geometry::Echo();

        if(flag) _printf0_("       extrude: " << (extrude ? "true" : "false") << "\n");
        if(flag) _printf0_("    tessellate: " << (tessellate ? "true" : "false") << "\n");
        if(flag) _printf0_("       altmode: \"" << altmode << "\"\n");
        if(flag) _printf0_("        coords: (ncoord=" << ncoord << ")\n");

        return;
}
/*}}}*/
/*FUNCTION KML_LineString::DeepEcho {{{*/
void  KML_LineString::DeepEcho(){

        char  indent[81]="";

        KML_LineString::DeepEcho(indent);

        return;
}
/*}}}*/
/*FUNCTION KML_LineString::DeepEcho {{{*/
void  KML_LineString::DeepEcho(const char* indent){

        int   i;
        bool  flag=true;

        if(flag) _printf0_(indent << "KML_LineString:\n");
        KML_Geometry::DeepEcho(indent);

        if(flag) _printf0_(indent << "       extrude: " << (extrude ? "true" : "false") << "\n");
        if(flag) _printf0_(indent << "    tessellate: " << (tessellate ? "true" : "false") << "\n");
        if(flag) _printf0_(indent << "       altmode: \"" << altmode << "\"\n");
        if(flag) _printf0_(indent << "        coords: (ncoord=" << ncoord << ")\n");
        for (i=0; i<ncoord; i++)
                if(flag) _printf0_(indent << "                (" << coords[3*i+0] << "," << coords[3*i+1] << "," << coords[3*i+2] << ")\n");

        return;
}
/*}}}*/
/*FUNCTION KML_LineString::Write {{{*/
void  KML_LineString::Write(FILE* filout,const char* indent){

        int   i;

        fprintf(filout,"%s<LineString",indent);
        WriteAttrib(filout," ");
        fprintf(filout,">\n");
        WriteCommnt(filout,indent);

        KML_Geometry::Write(filout,indent);

        fprintf(filout,"%s  <extrude>%d</extrude>\n",indent,(extrude ? 1 : 0));
        fprintf(filout,"%s  <tessellate>%d</tessellate>\n",indent,(tessellate ? 1 : 0));
        fprintf(filout,"%s  <altitudeMode>%s</altitudeMode>\n",indent,altmode);
        fprintf(filout,"%s  <coordinates>\n",indent);

/*  loop over the coordinates for the linestring  */

        for (i=0; i<ncoord; i++)
                fprintf(filout,"%s    %0.16g,%0.16g,%0.16g\n",indent, coords[3*i+0],coords[3*i+1],coords[3*i+2]);

        fprintf(filout,"%s  </coordinates>\n",indent);
        fprintf(filout,"%s</LineString>\n",indent);

        return;
}
/*}}}*/
/*FUNCTION KML_LineString::Read {{{*/
void  KML_LineString::Read(FILE* fid,char* kstr){

        char*        kstri;
        int          ncom=0;
        char**       pcom=NULL;

/*  get object attributes and check for solo tag  */

        if (KMLFileTagAttrib(this,
                                                 kstr))
                return;

/*  loop over and process fields within opening and closing tags  */

        while((kstri=KMLFileToken(fid, &ncom,&pcom))){
                if      (!strncmp(kstri,"</LineString",12)) {
                        xDelete<char>(kstri);
                        break;
                }
                else if (!strncmp(kstri,"</",2))
                  {_error_("KML_LineString::Read -- Unexpected closing tag " << kstri << ".\n");}
                else if (strncmp(kstri,"<",1))
                  {_error_("KML_LineString::Read -- Unexpected field \"" << kstri << "\".\n");}

                else if (!strcmp(kstri,"<extrude>"))
                        KMLFileTokenParse(&extrude   ,
                                                          kstri,
                                                          fid);
                else if (!strcmp(kstri,"<tessellate>"))
                        KMLFileTokenParse(&tessellate,
                                                          kstri,
                                                          fid);
                else if (!strcmp(kstri,"<altitudeMode>"))
                        KMLFileTokenParse( altmode   ,NULL,KML_LINESTRING_ALTMODE_LENGTH,
                                                          kstri,
                                                          fid);
                else if (!strcmp(kstri,"<coordinates>"))
                        KMLFileTokenParse(&coords    ,&ncoord    ,0,
                                                          kstri,
                                                          fid);

                else if (!strncmp(kstri,"<",1))
                        KML_Geometry::Read(fid,kstri);

                xDelete<char>(kstri);
        }

        this->AddCommnt(ncom,pcom);

        for (ncom=ncom; ncom>0; ncom--)
                xDelete<char>(pcom[ncom-1]);
        xDelete<char*>(pcom);

        return;
}
/*}}}*/
/*FUNCTION KML_LineString::WriteExp {{{*/
void  KML_LineString::WriteExp(FILE* fid,const char* nstr,int sgn,double cm,double sp){

        int     i;
        double  *lat,*lon,*x,*y;
        char    nstr2[81];

/*  extract latitude and longitude into vectors  */

        lat=xNew<IssmPDouble>(ncoord);
        lon=xNew<IssmPDouble>(ncoord);
        for (i=0; i<ncoord; i++) {
                lon[i]=coords[3*i+0];
                lat[i]=coords[3*i+1];
        }

/*  convert latitude and longitude to x and y  */

        x  =xNew<IssmPDouble>(ncoord);
        y  =xNew<IssmPDouble>(ncoord);
        if (sgn) {
                Ll2xyx(x,y,lat,lon,ncoord,sgn,cm,sp);
        }
        else {
                memcpy(x,lon,ncoord*sizeof(IssmDouble));
                memcpy(y,lat,ncoord*sizeof(IssmDouble));
        }

/*  write header  */

        memcpy(nstr2,nstr,(strlen(nstr)+1)*sizeof(char));

        for (i=0; i<strlen(nstr2); i++)
                if ((nstr2[i] == ' ') || (nstr2[i] == '\t'))
                        nstr2[i]='_';
        fprintf(fid,"## Name:%s\n",nstr2);
        fprintf(fid,"## Icon:0\n");
        fprintf(fid,"# Points Count     Value\n");
    fprintf(fid,"%u     %s\n",ncoord  ,"1.");
        fprintf(fid,"# X pos    Y pos\n");

/*  write vertices  */

        for (i=0; i<ncoord; i++)
            fprintf(fid,"%lf\t%lf\n",x[i],y[i]);

/*  write blank line  */

        fprintf(fid,"\n");

        xDelete<IssmPDouble>(y);
        xDelete<IssmPDouble>(x);
        xDelete<IssmPDouble>(lon);
        xDelete<IssmPDouble>(lat);

        return;
}
/*}}}*/