2 * Export from Aven as KML.
4 /* Copyright (C) 2012 Olaf Kähler
5 * Copyright (C) 2012,2013,2014,2015,2016,2017 Olly Betts
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
28 #include "export.h" // For LABELS, etc
42 #define WGS84_DATUM_STRING "+proj=longlat +ellps=WGS84 +datum=WGS84"
45 html_escape(FILE *fh
, const char *s
)
65 KML::KML(const char * input_datum
)
66 : pj_input(NULL
), pj_output(NULL
), in_linestring(false), in_wall(false)
68 if (!(pj_input
= pj_init_plus(input_datum
))) {
69 wxString m
= wmsg(/*Failed to initialise input coordinate system “%s”*/287);
70 m
= wxString::Format(m
.c_str(), input_datum
);
73 if (!(pj_output
= pj_init_plus(WGS84_DATUM_STRING
))) {
74 wxString m
= wmsg(/*Failed to initialise output coordinate system “%s”*/288);
75 m
= wxString::Format(m
.c_str(), WGS84_DATUM_STRING
);
91 static const int default_passes
[] = {
92 PASG
, XSECT
, WALL1
, WALL2
, LEGS
|SURF
, LABELS
|ENTS
|FIXES
|EXPORTS
, 0
94 return default_passes
;
97 /* Initialise KML routines. */
98 void KML::header(const char * title
, const char *, time_t,
99 double, double, double, double, double, double)
102 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
103 "<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n", fh
);
104 fputs("<Document><name>", fh
);
105 html_escape(fh
, title
);
106 fputs("</name>\n", fh
);
107 // Set up styles for the icons to reduce the file size.
108 fputs("<Style id=\"fix\"><IconStyle>"
109 "<Icon><href>http://maps.google.com/mapfiles/kml/paddle/red-blank.png</href></Icon>"
110 "</IconStyle></Style>\n", fh
);
111 fputs("<Style id=\"exp\"><IconStyle>"
112 "<Icon><href>http://maps.google.com/mapfiles/kml/paddle/blu-blank.png</href></Icon>"
113 "</IconStyle></Style>\n", fh
);
114 fputs("<Style id=\"ent\"><IconStyle>"
115 "<Icon><href>http://maps.google.com/mapfiles/kml/paddle/grn-blank.png</href></Icon>"
116 "</IconStyle></Style>\n", fh
);
117 // FIXME: does KML allow bounds?
118 // NB Lat+long bounds are not necessarily the same as the bounds in survex
119 // coords translated to WGS84 lat+long...
126 fputs("</coordinates></LineString></MultiGeometry></Placemark>\n", fh
);
127 in_linestring
= false;
132 KML::line(const img_point
*p1
, const img_point
*p
, unsigned /*flags*/, bool fPendingMove
)
135 if (!in_linestring
) {
136 in_linestring
= true;
137 fputs("<Placemark><MultiGeometry>\n", fh
);
139 fputs("</coordinates></LineString>\n", fh
);
141 fputs("<LineString><altitudeMode>absolute</altitudeMode><coordinates>\n", fh
);
142 double X
= p1
->x
, Y
= p1
->y
, Z
= p1
->z
;
143 pj_transform(pj_input
, pj_output
, 1, 1, &X
, &Y
, &Z
);
146 // %.8f is at worst just over 1mm.
147 fprintf(fh
, "%.8f,%.8f,%.2f\n", X
, Y
, Z
);
149 double X
= p
->x
, Y
= p
->y
, Z
= p
->z
;
150 pj_transform(pj_input
, pj_output
, 1, 1, &X
, &Y
, &Z
);
153 // %.8f is at worst just over 1mm.
154 fprintf(fh
, "%.8f,%.8f,%.2f\n", X
, Y
, Z
);
158 KML::xsect(const img_point
*p
, double angle
, double d1
, double d2
)
160 double s
= sin(rad(angle
));
161 double c
= cos(rad(angle
));
163 double x1
= p
->x
+ c
* d1
;
164 double y1
= p
->y
+ s
* d1
;
166 pj_transform(pj_input
, pj_output
, 1, 1, &x1
, &y1
, &z1
);
170 double x2
= p
->x
- c
* d2
;
171 double y2
= p
->y
- s
* d2
;
173 pj_transform(pj_input
, pj_output
, 1, 1, &x2
, &y2
, &z2
);
177 fputs("<Placemark><name></name><LineString><altitudeMode>absolute</altitudeMode><coordinates>", fh
);
178 fprintf(fh
, "%.8f,%.8f,%.2f %.8f,%.8f,%.2f", x1
, y1
, z1
, x2
, y2
, z2
);
179 fputs("</coordinates></LineString></Placemark>\n", fh
);
183 KML::wall(const img_point
*p
, double angle
, double d
)
185 double s
= sin(rad(angle
));
186 double c
= cos(rad(angle
));
188 double x
= p
->x
+ c
* d
;
189 double y
= p
->y
+ s
* d
;
191 pj_transform(pj_input
, pj_output
, 1, 1, &x
, &y
, &z
);
196 fputs("<Placemark><name></name><LineString><altitudeMode>absolute</altitudeMode><coordinates>", fh
);
199 fprintf(fh
, "%.8f,%.8f,%.2f\n", x
, y
, z
);
203 KML::passage(const img_point
*p
, double angle
, double d1
, double d2
)
205 double s
= sin(rad(angle
));
206 double c
= cos(rad(angle
));
208 // Draw along one side and push the other onto a stack, then at the end pop
209 // the stack and write out those points to give one polygon, fewer points,
210 // and a smaller file.
211 double x1
= p
->x
+ c
* d1
;
212 double y1
= p
->y
+ s
* d1
;
214 pj_transform(pj_input
, pj_output
, 1, 1, &x1
, &y1
, &z1
);
218 double x2
= p
->x
- c
* d2
;
219 double y2
= p
->y
- s
* d2
;
221 pj_transform(pj_input
, pj_output
, 1, 1, &x2
, &y2
, &z2
);
226 fprintf(fh
, "<Placemark><name></name><Polygon><altitudeMode>absolute</altitudeMode>"
227 "<outerBoundaryIs><LinearRing><coordinates>\n");
229 // NB - order of vertices should be anti-clockwise in a KML file, so go
230 // along the right wall now, and put the left wall points on a stack to
231 // come back along at the end.
232 fprintf(fh
, "%.8f,%.8f,%.2f\n", x2
, y2
, z2
);
233 psg
.push_back(Vector3(x1
, y1
, z1
));
240 vector
<Vector3
>::const_reverse_iterator i
;
241 for (i
= psg
.rbegin(); i
!= psg
.rend(); ++i
) {
242 fprintf(fh
, "%.8f,%.8f,%.2f\n", i
->GetX(), i
->GetY(), i
->GetZ());
245 fputs("</coordinates></LinearRing></outerBoundaryIs>"
246 "</Polygon></Placemark>\n", fh
);
249 fputs("</coordinates></LineString></Placemark>\n", fh
);
255 KML::label(const img_point
*p
, const char *s
, bool /*fSurface*/, int type
)
257 double X
= p
->x
, Y
= p
->y
, Z
= p
->z
;
258 pj_transform(pj_input
, pj_output
, 1, 1, &X
, &Y
, &Z
);
261 // %.8f is at worst just over 1mm.
262 fprintf(fh
, "<Placemark><Point><coordinates>%.8f,%.8f,%.2f</coordinates></Point><name>", X
, Y
, Z
);
264 fputs("</name>", fh
);
265 // Add a "pin" symbol with colour matching what aven shows.
268 fputs("<styleUrl>#fix</styleUrl>", fh
);
271 fputs("<styleUrl>#exp</styleUrl>", fh
);
274 fputs("<styleUrl>#ent</styleUrl>", fh
);
277 fputs("</Placemark>\n", fh
);
284 fputs("</coordinates></LineString></MultiGeometry></Placemark>\n", fh
);
285 fputs("</Document></kml>\n", fh
);