2 * Export from Aven as KML.
4 /* Copyright (C) 2012 Olaf Kähler
5 * Copyright (C) 2012,2013,2014,2015,2016,2017,2018 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
, bool clamp_to_ground_
)
66 : clamp_to_ground(clamp_to_ground_
)
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 if (clamp_to_ground
) {
142 fputs("<LineString><coordinates>\n", fh
);
144 fputs("<LineString><altitudeMode>absolute</altitudeMode><coordinates>\n", fh
);
146 double X
= p1
->x
, Y
= p1
->y
, Z
= p1
->z
;
147 pj_transform(pj_input
, pj_output
, 1, 1, &X
, &Y
, &Z
);
150 // %.8f is at worst just over 1mm.
151 fprintf(fh
, "%.8f,%.8f,%.2f\n", X
, Y
, Z
);
153 double X
= p
->x
, Y
= p
->y
, Z
= p
->z
;
154 pj_transform(pj_input
, pj_output
, 1, 1, &X
, &Y
, &Z
);
157 // %.8f is at worst just over 1mm.
158 fprintf(fh
, "%.8f,%.8f,%.2f\n", X
, Y
, Z
);
162 KML::xsect(const img_point
*p
, double angle
, double d1
, double d2
)
164 double s
= sin(rad(angle
));
165 double c
= cos(rad(angle
));
167 double x1
= p
->x
+ c
* d1
;
168 double y1
= p
->y
+ s
* d1
;
170 pj_transform(pj_input
, pj_output
, 1, 1, &x1
, &y1
, &z1
);
174 double x2
= p
->x
- c
* d2
;
175 double y2
= p
->y
- s
* d2
;
177 pj_transform(pj_input
, pj_output
, 1, 1, &x2
, &y2
, &z2
);
181 if (clamp_to_ground
) {
182 fputs("<Placemark><name></name><LineString><coordinates>", fh
);
184 fputs("<Placemark><name></name><LineString><altitudeMode>absolute</altitudeMode><coordinates>", fh
);
186 fprintf(fh
, "%.8f,%.8f,%.2f %.8f,%.8f,%.2f", x1
, y1
, z1
, x2
, y2
, z2
);
187 fputs("</coordinates></LineString></Placemark>\n", fh
);
191 KML::wall(const img_point
*p
, double angle
, double d
)
193 double s
= sin(rad(angle
));
194 double c
= cos(rad(angle
));
196 double x
= p
->x
+ c
* d
;
197 double y
= p
->y
+ s
* d
;
199 pj_transform(pj_input
, pj_output
, 1, 1, &x
, &y
, &z
);
204 if (clamp_to_ground
) {
205 fputs("<Placemark><name></name><LineString><coordinates>", fh
);
207 fputs("<Placemark><name></name><LineString><altitudeMode>absolute</altitudeMode><coordinates>", fh
);
211 fprintf(fh
, "%.8f,%.8f,%.2f\n", x
, y
, z
);
215 KML::passage(const img_point
*p
, double angle
, double d1
, double d2
)
217 double s
= sin(rad(angle
));
218 double c
= cos(rad(angle
));
220 double x1
= p
->x
+ c
* d1
;
221 double y1
= p
->y
+ s
* d1
;
223 pj_transform(pj_input
, pj_output
, 1, 1, &x1
, &y1
, &z1
);
227 double x2
= p
->x
- c
* d2
;
228 double y2
= p
->y
- s
* d2
;
230 pj_transform(pj_input
, pj_output
, 1, 1, &x2
, &y2
, &z2
);
234 // Define each passage as a multigeometry comprising of one quadrilateral
235 // per section. This prevents invalid geometry (such as self-intersecting
236 // polygons) being created.
240 fputs("<Placemark><name></name><MultiGeometry>\n", fh
);
242 if (clamp_to_ground
) {
244 "<outerBoundaryIs><LinearRing><coordinates>\n", fh
);
246 fputs("<Polygon><altitudeMode>absolute</altitudeMode>"
247 "<outerBoundaryIs><LinearRing><coordinates>\n", fh
);
250 // Draw anti-clockwise around the ring.
251 fprintf(fh
, "%.8f,%.8f,%.2f\n", v2
.GetX(), v2
.GetY(), v2
.GetZ());
252 fprintf(fh
, "%.8f,%.8f,%.2f\n", v1
.GetX(), v1
.GetY(), v1
.GetZ());
254 fprintf(fh
, "%.8f,%.8f,%.2f\n", x1
, y1
, z1
);
255 fprintf(fh
, "%.8f,%.8f,%.2f\n", x2
, y2
, z2
);
258 fprintf(fh
, "%.8f,%.8f,%.2f\n", v2
.GetX(), v2
.GetY(), v2
.GetZ());
260 fputs("</coordinates></LinearRing></outerBoundaryIs>"
264 v2
= Vector3(x2
, y2
, z2
);
265 v1
= Vector3(x1
, y1
, z1
);
272 fputs("</MultiGeometry></Placemark>\n", fh
);
276 fputs("</coordinates></LineString></Placemark>\n", fh
);
282 KML::label(const img_point
*p
, const char *s
, bool /*fSurface*/, int type
)
284 double X
= p
->x
, Y
= p
->y
, Z
= p
->z
;
285 pj_transform(pj_input
, pj_output
, 1, 1, &X
, &Y
, &Z
);
288 // %.8f is at worst just over 1mm.
289 fprintf(fh
, "<Placemark><Point><coordinates>%.8f,%.8f,%.2f</coordinates></Point><name>", X
, Y
, Z
);
291 fputs("</name>", fh
);
292 // Add a "pin" symbol with colour matching what aven shows.
295 fputs("<styleUrl>#fix</styleUrl>", fh
);
298 fputs("<styleUrl>#exp</styleUrl>", fh
);
301 fputs("<styleUrl>#ent</styleUrl>", fh
);
304 fputs("</Placemark>\n", fh
);
311 fputs("</coordinates></LineString></MultiGeometry></Placemark>\n", fh
);
312 fputs("</Document></kml>\n", fh
);