#define DEM24K_DOWNLOAD_SCRIPT "dem24k.pl"
#endif
+#define UNUSED_LINE_THICKNESS 3
static void dem_layer_marshall( VikDEMLayer *vdl, guint8 **data, gint *len );
static VikDEMLayer *dem_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp );
-static gboolean dem_layer_set_param ( VikDEMLayer *vdl, guint16 id, VikLayerParamData data, VikViewport *vp );
-static VikLayerParamData dem_layer_get_param ( VikDEMLayer *vdl, guint16 id );
-static void dem_layer_update_gc ( VikDEMLayer *vdl, VikViewport *vp, const gchar *color );
+static gboolean dem_layer_set_param ( VikDEMLayer *vdl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation );
+static VikLayerParamData dem_layer_get_param ( VikDEMLayer *vdl, guint16 id, gboolean is_file_operation );
static void dem_layer_post_read ( VikLayer *vl, VikViewport *vp, gboolean from_file );
static void srtm_draw_existence ( VikViewport *vp );
static void dem24k_draw_existence ( VikViewport *vp );
#endif
+/* Upped upper limit incase units are feet */
static VikLayerParamScale param_scales[] = {
- { 1, 10000, 10, 1 },
- { 1, 10000, 10, 1 },
- { 1, 10, 1, 0 },
+ { 0, 30000, 10, 1 },
+ { 1, 30000, 10, 1 },
};
static gchar *params_source[] = {
static VikLayerParam dem_layer_params[] = {
{ "files", VIK_LAYER_PARAM_STRING_LIST, VIK_LAYER_GROUP_NONE, N_("DEM Files:"), VIK_LAYER_WIDGET_FILELIST },
{ "source", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Download Source:"), VIK_LAYER_WIDGET_RADIOGROUP_STATIC, params_source, NULL },
- { "color", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("Color:"), VIK_LAYER_WIDGET_ENTRY },
+ { "color", VIK_LAYER_PARAM_COLOR, VIK_LAYER_GROUP_NONE, N_("Min Elev Color:"), VIK_LAYER_WIDGET_COLOR, 0 },
{ "type", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Type:"), VIK_LAYER_WIDGET_RADIOGROUP_STATIC, params_type, NULL },
{ "min_elev", VIK_LAYER_PARAM_DOUBLE, VIK_LAYER_GROUP_NONE, N_("Min Elev:"), VIK_LAYER_WIDGET_SPINBUTTON, param_scales + 0 },
{ "max_elev", VIK_LAYER_PARAM_DOUBLE, VIK_LAYER_GROUP_NONE, N_("Max Elev:"), VIK_LAYER_WIDGET_SPINBUTTON, param_scales + 0 },
- { "line_thickness", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Line Thickness:"), VIK_LAYER_WIDGET_SPINBUTTON, param_scales + 1 },
};
-enum { PARAM_FILES=0, PARAM_SOURCE, PARAM_COLOR, PARAM_TYPE, PARAM_MIN_ELEV, PARAM_MAX_ELEV, PARAM_LINE_THICKNESS, NUM_PARAMS };
+enum { PARAM_FILES=0, PARAM_SOURCE, PARAM_COLOR, PARAM_TYPE, PARAM_MIN_ELEV, PARAM_MAX_ELEV, NUM_PARAMS };
static gpointer dem_layer_download_create ( VikWindow *vw, VikViewport *vvp);
static gboolean dem_layer_download_release ( VikDEMLayer *vdl, GdkEventButton *event, VikViewport *vvp );
};
-/*
+/* HEIGHT COLORS
+ The first entry is blue for a default 'sea' colour,
+ however the value used by the corresponding gc can be configured as part of the DEM layer properties.
+ The other colours, shaded from brown to white are used to give an indication of height.
*/
-
static gchar *dem_height_colors[] = {
"#0000FF",
"#9b793c", "#9c7d40", "#9d8144", "#9e8549", "#9f894d", "#a08d51", "#a29156", "#a3955a", "#a4995e", "#a69d63",
*/
static gchar *dem_gradient_colors[] = {
-"#AAAAAA"
+"#AAAAAA",
"#000000", "#000011", "#000022", "#000033", "#000044", "#00004c", "#000055", "#00005d", "#000066", "#00006e",
"#000077", "#00007f", "#000088", "#000090", "#000099", "#0000a1", "#0000aa", "#0000b2", "#0000bb", "#0000c3",
"#0000cc", "#0000d4", "#0000dd", "#0000e5", "#0000ee", "#0000f6", "#0000ff", "#0008f7", "#0011ee", "#0019e6",
struct _VikDEMLayer {
VikLayer vl;
- GdkGC *gc;
GdkGC **gcs;
GdkGC **gcsgradient;
GList *files;
gdouble min_elev;
gdouble max_elev;
- guint8 line_thickness;
- gchar *color;
+ GdkGC *color;
guint source;
guint type;
};
/* TODO: share GCS between layers */
for ( i = 0; i < DEM_N_HEIGHT_COLORS; i++ )
- rv->gcs[i] = vik_viewport_new_gc ( vvp, dem_height_colors[i], rv->line_thickness );
+ rv->gcs[i] = vik_viewport_new_gc ( vvp, dem_height_colors[i], UNUSED_LINE_THICKNESS );
for ( i = 0; i < DEM_N_GRADIENT_COLORS; i++ )
- rv->gcsgradient[i] = vik_viewport_new_gc ( vvp, dem_gradient_colors[i], rv->line_thickness );
+ rv->gcsgradient[i] = vik_viewport_new_gc ( vvp, dem_gradient_colors[i], UNUSED_LINE_THICKNESS );
vik_layer_unmarshall_params ( VIK_LAYER(rv), data, len, vvp );
return rv;
}
-gboolean dem_layer_set_param ( VikDEMLayer *vdl, guint16 id, VikLayerParamData data, VikViewport *vp )
+gboolean dem_layer_set_param ( VikDEMLayer *vdl, guint16 id, VikLayerParamData data, VikViewport *vp, gboolean is_file_operation )
{
switch ( id )
{
- case PARAM_COLOR: if ( vdl->color ) g_free ( vdl->color ); vdl->color = g_strdup ( data.s ); break;
+ case PARAM_COLOR: gdk_gc_set_rgb_fg_color ( vdl->gcs[0], &(data.c) ); break;
case PARAM_SOURCE: vdl->source = data.u; break;
case PARAM_TYPE: vdl->type = data.u; break;
- case PARAM_MIN_ELEV: vdl->min_elev = data.d; break;
- case PARAM_MAX_ELEV: vdl->max_elev = data.d; break;
- case PARAM_LINE_THICKNESS: if ( data.u >= 1 && data.u <= 15 ) vdl->line_thickness = data.u; break;
+ case PARAM_MIN_ELEV:
+ /* Convert to store internally
+ NB file operation always in internal units (metres) */
+ if (!is_file_operation && a_vik_get_units_height () == VIK_UNITS_HEIGHT_FEET )
+ vdl->min_elev = VIK_FEET_TO_METERS(data.d);
+ else
+ vdl->min_elev = data.d;
+ break;
+ case PARAM_MAX_ELEV:
+ /* Convert to store internally
+ NB file operation always in internal units (metres) */
+ if (!is_file_operation && a_vik_get_units_height () == VIK_UNITS_HEIGHT_FEET )
+ vdl->max_elev = VIK_FEET_TO_METERS(data.d);
+ else
+ vdl->max_elev = data.d;
+ break;
case PARAM_FILES: a_dems_load_list ( &(data.sl) ); a_dems_list_free ( vdl->files ); vdl->files = data.sl; break;
}
return TRUE;
}
-static VikLayerParamData dem_layer_get_param ( VikDEMLayer *vdl, guint16 id )
+static VikLayerParamData dem_layer_get_param ( VikDEMLayer *vdl, guint16 id, gboolean is_file_operation )
{
VikLayerParamData rv;
switch ( id )
case PARAM_FILES: rv.sl = vdl->files; break;
case PARAM_SOURCE: rv.u = vdl->source; break;
case PARAM_TYPE: rv.u = vdl->type; break;
- case PARAM_COLOR: rv.s = vdl->color ? vdl->color : ""; break;
- case PARAM_MIN_ELEV: rv.d = vdl->min_elev; break;
- case PARAM_MAX_ELEV: rv.d = vdl->max_elev; break;
- case PARAM_LINE_THICKNESS: rv.i = vdl->line_thickness; break;
+ case PARAM_COLOR: vik_gc_get_fg_color ( vdl->gcs[0], &(rv.c) ); break;
+ case PARAM_MIN_ELEV:
+ /* Convert for display in desired units
+ NB file operation always in internal units (metres) */
+ if (!is_file_operation && a_vik_get_units_height () == VIK_UNITS_HEIGHT_FEET )
+ rv.d = VIK_METERS_TO_FEET(vdl->min_elev);
+ else
+ rv.d = vdl->min_elev;
+ break;
+ case PARAM_MAX_ELEV:
+ /* Convert for display in desired units
+ NB file operation always in internal units (metres) */
+ if (!is_file_operation && a_vik_get_units_height () == VIK_UNITS_HEIGHT_FEET )
+ rv.d = VIK_METERS_TO_FEET(vdl->max_elev);
+ else
+ rv.d = vdl->max_elev;
+ break;
}
return rv;
}
static void dem_layer_post_read ( VikLayer *vl, VikViewport *vp, gboolean from_file )
{
- VikDEMLayer *vdl = VIK_DEM_LAYER(vl);
- if ( vdl->gc )
- g_object_unref ( G_OBJECT(vdl->gc) );
-
- vdl->gc = vik_viewport_new_gc ( vp, vdl->color, vdl->line_thickness );
+ /* nothing ATM, but keep in case it's needed the future */
}
VikDEMLayer *vik_dem_layer_new ( )
vdl->files = NULL;
-
- vdl->gc = NULL;
-
vdl->gcs = g_malloc(sizeof(GdkGC *)*DEM_N_HEIGHT_COLORS);
vdl->gcsgradient = g_malloc(sizeof(GdkGC *)*DEM_N_GRADIENT_COLORS);
/* make new gcs only if we need it (copy layer -> use old) */
vdl->max_elev = 1000.0;
vdl->source = DEM_SOURCE_SRTM;
vdl->type = DEM_TYPE_HEIGHT;
- vdl->line_thickness = 3;
- vdl->color = NULL;
return vdl;
}
if(box_width < 0 || box_height < 0)
continue; // skip this. this is out of our viewport anyway. FIXME: why?
+ gboolean below_minimum = FALSE;
if(vdl->type == DEM_TYPE_HEIGHT) {
- if ( elev != VIK_DEM_INVALID_ELEVATION && elev < vdl->min_elev )
- elev=vdl->min_elev;
+ if ( elev != VIK_DEM_INVALID_ELEVATION && elev < vdl->min_elev ) {
+ // Prevent 'elev - vdl->min_elev' from being negative so can safely use as array index
+ elev = ceil ( vdl->min_elev );
+ below_minimum = TRUE;
+ }
if ( elev != VIK_DEM_INVALID_ELEVATION && elev > vdl->max_elev )
- elev=vdl->max_elev;
+ elev = vdl->max_elev;
}
{
change = change / ((skip_factor > 1) ? log(skip_factor) : 0.55); // FIXME: better calc.
if(change < vdl->min_elev)
- change = vdl->min_elev;
+ // Prevent 'change - vdl->min_elev' from being negative so can safely use as array index
+ change = ceil ( vdl->min_elev );
if(change > vdl->max_elev)
change = vdl->max_elev;
// void vik_viewport_draw_rectangle ( VikViewport *vvp, GdkGC *gc, gboolean filled, gint x1, gint y1, gint x2, gint y2 );
- vik_viewport_draw_rectangle(vp, vdl->gcsgradient[(gint)floor((change - vdl->min_elev)/(vdl->max_elev - vdl->min_elev)*(DEM_N_GRADIENT_COLORS-2))+1], TRUE, box_x, box_y, box_width, box_height);
+ vik_viewport_draw_rectangle(vp, vdl->gcsgradient[(gint)floor(((change - vdl->min_elev)/(vdl->max_elev - vdl->min_elev))*(DEM_N_GRADIENT_COLORS-2))+1], TRUE, box_x, box_y, box_width, box_height);
}
} else {
if(vdl->type == DEM_TYPE_HEIGHT) {
if ( elev == VIK_DEM_INVALID_ELEVATION )
; /* don't draw it */
- else if ( elev <= 0 )
+ else if ( elev <= 0 || below_minimum )
+ /* If 'sea' colour or below the defined mininum draw in the configurable colour */
vik_viewport_draw_rectangle(vp, vdl->gcs[0], TRUE, box_x, box_y, box_width, box_height);
else
- vik_viewport_draw_rectangle(vp, vdl->gcs[(gint)floor((elev - vdl->min_elev)/(vdl->max_elev - vdl->min_elev)*(DEM_N_HEIGHT_COLORS-2))+1], TRUE, box_x, box_y, box_width, box_height);
+ vik_viewport_draw_rectangle(vp, vdl->gcs[(gint)floor(((elev - vdl->min_elev)/(vdl->max_elev - vdl->min_elev))*(DEM_N_HEIGHT_COLORS-2))+1], TRUE, box_x, box_y, box_width, box_height);
}
}
}
void vik_dem_layer_free ( VikDEMLayer *vdl )
{
gint i;
- if ( vdl->gc != NULL )
- g_object_unref ( G_OBJECT(vdl->gc) );
-
if ( vdl->color != NULL )
- g_free ( vdl->color );
+ g_object_unref ( vdl->color );
if ( vdl->gcs )
for ( i = 0; i < DEM_N_HEIGHT_COLORS; i++ )
a_dems_list_free ( vdl->files );
}
-static void dem_layer_update_gc ( VikDEMLayer *vdl, VikViewport *vp, const gchar *color )
-{
- if ( vdl->color )
- g_free ( vdl->color );
-
- vdl->color = g_strdup ( color );
-
- if ( vdl->gc )
- g_object_unref ( G_OBJECT(vdl->gc) );
-
- vdl->gc = vik_viewport_new_gc ( vp, vdl->color, vdl->line_thickness );
-}
-
VikDEMLayer *vik_dem_layer_create ( VikViewport *vp )
{
VikDEMLayer *vdl = vik_dem_layer_new ();
/* TODO: share GCS between layers */
for ( i = 0; i < DEM_N_HEIGHT_COLORS; i++ )
- vdl->gcs[i] = vik_viewport_new_gc ( vp, dem_height_colors[i], vdl->line_thickness );
+ vdl->gcs[i] = vik_viewport_new_gc ( vp, dem_height_colors[i], UNUSED_LINE_THICKNESS );
for ( i = 0; i < DEM_N_GRADIENT_COLORS; i++ )
- vdl->gcsgradient[i] = vik_viewport_new_gc ( vp, dem_gradient_colors[i], vdl->line_thickness );
+ vdl->gcsgradient[i] = vik_viewport_new_gc ( vp, dem_gradient_colors[i], UNUSED_LINE_THICKNESS );
- dem_layer_update_gc ( vdl, vp, "red" );
return vdl;
}
/**************************************************************
(intlon >= 0) ? 'E' : 'W',
ABS(intlon) );
- static DownloadMapOptions options = { 0, NULL, 0, a_check_map_file };
+ static DownloadMapOptions options = { FALSE, FALSE, NULL, 0, a_check_map_file };
a_http_download_get_url ( SRTM_HTTP_SITE, src_fn, p->dest, &options, NULL );
g_free ( src_fn );
}
a_background_thread ( VIK_GTK_WINDOW_FROM_LAYER(vdl), tmp,
(vik_thr_func) dem_download_thread, p,
(vik_thr_free_func) free_dem_download_params, NULL, 1 );
+
+ g_free ( tmp );
}
g_free ( dem_file );
projects / andy / viking.git / blobdiff