+++ /dev/null
-/*
- * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * http://www.nasa.network.com/elev?
- * SERVICE=WMS&
- * VERSION=1.1.0&
- * REQUEST=GetMap&
- * LAYERS=bmng200406&
- * STYLES=&
- * SRS=EPSG:4326&
- * BBOX=-180,-90,180,90&
- * FORMAT=image/jpeg&
- * WIDTH=600&
- * HEIGHT=300
- *
- * http://www.nasa.network.com/elev?
- * SERVICE=WMS&
- * VERSION=1.1.0&
- * REQUEST=GetMap&
- * LAYERS=srtm30&
- * STYLES=&
- * SRS=EPSG:4326&
- * BBOX=-180,-90,180,90&
- * FORMAT=application/bil32&
- * WIDTH=600&
- * HEIGHT=300
- */
-
-#include <string.h>
-#include <stdio.h>
-#include <time.h>
-#include <gtk/gtk.h>
-#include <glib/gstdio.h>
-#include <libsoup/soup.h>
-
-#include "wms.h"
-
-/* TODO: try to remove these */
-#include "gis-world.h"
-#include <GL/gl.h>
-
-gchar *wms_make_uri(WmsInfo *info, gdouble xmin, gdouble ymin, gdouble xmax, gdouble ymax)
-{
- return g_strdup_printf(
- "%s?"
- "SERVICE=WMS&"
- "VERSION=1.1.0&"
- "REQUEST=GetMap&"
- "LAYERS=%s&"
- "STYLES=&"
- "SRS=EPSG:4326&"
- "BBOX=%f,%f,%f,%f&"
- "FORMAT=%s&"
- "WIDTH=%d&"
- "HEIGHT=%d",
- info->uri_prefix,
- info->uri_layer,
- xmin, ymin, xmax, ymax,
- info->uri_format,
- info->width,
- info->height);
-}
-
-/****************
- * WmsCacheNode *
- ****************/
-WmsCacheNode *wms_cache_node_new(WmsCacheNode *parent,
- gdouble xmin, gdouble ymin, gdouble xmax, gdouble ymax, gint width)
-{
- WmsCacheNode *self = g_new0(WmsCacheNode, 1);
- //g_debug("WmsCacheNode: new - %p %+7.3f,%+7.3f,%+7.3f,%+7.3f",
- // self, xmin, ymin, xmax, ymax);
- self->latlon[0] = xmin;
- self->latlon[1] = ymin;
- self->latlon[2] = xmax;
- self->latlon[3] = ymax;
- self->parent = parent;
- if (ymin <= 0 && ymax >= 0)
- self->res = ll2m(xmax-xmin, 0)/width;
- else
- self->res = ll2m(xmax-xmin, MIN(ABS(ymin),ABS(ymax)))/width;
- return self;
-}
-
-void wms_cache_node_free(WmsCacheNode *node, WmsFreeer freeer)
-{
- //g_debug("WmsCacheNode: free - %p", node);
- if (node->data) {
- freeer(node);
- node->data = NULL;
- }
- for (int x = 0; x < 4; x++)
- for (int y = 0; y < 4; y++)
- if (node->children[x][y])
- wms_cache_node_free(node->children[x][y], freeer);
- g_free(node);
-}
-
-/***********
- * WmsInfo *
- ***********/
-WmsInfo *wms_info_new(WmsLoader loader, WmsFreeer freeer,
- gchar *uri_prefix, gchar *uri_layer, gchar *uri_format,
- gchar *cache_prefix, gchar *cache_ext,
- gint resolution, gint width, gint height
-) {
- WmsInfo *self = g_new0(WmsInfo, 1);
- self->loader = loader;
- self->freeer = freeer;
- self->uri_prefix = uri_prefix;
- self->uri_layer = uri_layer;
- self->uri_format = uri_format;
- self->cache_prefix = cache_prefix;
- self->cache_ext = cache_ext;
- self->resolution = resolution;
- self->width = width;
- self->height = height;
-
- self->max_age = 60;
- self->atime = time(NULL);
- self->gc_source = g_timeout_add_seconds(1, (GSourceFunc)wms_info_gc, self);
- self->cache_root = wms_cache_node_new(NULL, -180, -90, 180, 90, width);
- self->soup = soup_session_async_new();
- return self;
-}
-
-struct _CacheImageState {
- WmsInfo *info;
- gchar *path;
- FILE *output;
- WmsCacheNode *node;
- WmsChunkCallback user_chunk_cb;
- WmsDoneCallback user_done_cb;
- gpointer user_data;
-};
-void wms_info_soup_chunk_cb(SoupMessage *message, SoupBuffer *chunk, gpointer _state)
-{
- struct _CacheImageState *state = _state;
- if (!SOUP_STATUS_IS_SUCCESSFUL(message->status_code))
- return;
-
- goffset total = soup_message_headers_get_content_length(message->response_headers);
- if (fwrite(chunk->data, chunk->length, 1, state->output) != 1)
- g_warning("WmsInfo: soup_chunk_cb - eror writing data");
-
- gdouble cur = (gdouble)ftell(state->output);
- if (state->user_chunk_cb)
- state->user_chunk_cb(cur, total, state->user_data);
-}
-void wms_info_soup_done_cb(SoupSession *session, SoupMessage *message, gpointer _state)
-{
- struct _CacheImageState *state = _state;
- if (!SOUP_STATUS_IS_SUCCESSFUL(message->status_code))
- return;
- gchar *dest = g_strndup(state->path, strlen(state->path)-5);
- g_rename(state->path, dest);
- state->node->atime = time(NULL);
- state->info->loader(state->node, dest, state->info->width, state->info->height);
- if (state->user_done_cb)
- state->user_done_cb(state->node, state->user_data);
- state->node->caching = FALSE;
- fclose(state->output);
- g_free(state->path);
- g_free(dest);
- g_free(state);
-}
-gboolean wms_info_cache_loader_cb(gpointer _state)
-{
- struct _CacheImageState *state = _state;
- state->node->atime = time(NULL);
- state->info->loader(state->node, state->path, state->info->width, state->info->height);
- if (state->user_done_cb)
- state->user_done_cb(state->node, state->user_data);
- state->node->caching = FALSE;
- g_free(state->path);
- g_free(state);
- return FALSE;
-}
-/**
- * Cache required tiles
- * 1. Load closest tile that's stored on disk
- * 2. Fetch the correct tile from the remote server
- */
-void wms_info_cache(WmsInfo *info, gdouble resolution, gdouble lat, gdouble lon,
- WmsChunkCallback chunk_callback, WmsDoneCallback done_callback,
- gpointer user_data)
-{
- /* Base cache path */
- gdouble x=lon, y=lat;
- gdouble xmin=-180, ymin=-90, xmax=180, ymax=90;
- gdouble xdist = xmax - xmin;
- gdouble ydist = ymax - ymin;
- int xpos=0, ypos=0;
- gdouble cur_lat = 0;
-
- WmsCacheNode *target_node = info->cache_root;
- WmsCacheNode *approx_node = NULL;
-
- GString *target_path = g_string_new(g_get_user_cache_dir());
- g_string_append(target_path, G_DIR_SEPARATOR_S);
- g_string_append(target_path, "wms");
- g_string_append(target_path, G_DIR_SEPARATOR_S);
- g_string_append(target_path, info->cache_prefix);
- gchar *approx_path = NULL;
-
- /* Create nodes to tiles, determine paths and lat-lon coords */
- while (TRUE) {
- /* Update the best approximation if it exists on disk */
- gchar *tmp = g_strconcat(target_path->str, info->cache_ext, NULL);
- if (g_file_test(tmp, G_FILE_TEST_EXISTS)) {
- g_free(approx_path);
- approx_node = target_node;
- approx_path = tmp;
- } else {
- g_free(tmp);
- }
-
- /* Break if current resolution (m/px) is good enough */
- if (ll2m(xdist, cur_lat)/info->width <= resolution ||
- ll2m(xdist, cur_lat)/info->width <= info->resolution)
- break;
-
- /* Get locations for the correct sub-tile */
- xpos = (int)(((x - xmin) / xdist) * 4);
- ypos = (int)(((y - ymin) / ydist) * 4);
- if (xpos == 4) xpos--;
- if (ypos == 4) ypos--;
- xdist /= 4;
- ydist /= 4;
- xmin = xmin + xdist*(xpos+0);
- ymin = ymin + ydist*(ypos+0);
- xmax = xmin + xdist;
- ymax = ymin + ydist;
- cur_lat = MIN(ABS(ymin), ABS(ymax));
-
- /* Update target for correct sub-tile */
- g_string_append_printf(target_path, "/%d%d", xpos, ypos);
- if (target_node->children[xpos][ypos] == NULL)
- target_node->children[xpos][ypos] =
- wms_cache_node_new(target_node,
- xmin, ymin, xmax, ymax, info->width);
- target_node = target_node->children[xpos][ypos];
- }
-
- /* Load disk on-disk approximation, TODO: async */
- if (approx_node && !approx_node->data && !approx_node->caching) {
- approx_node->caching = TRUE;
- struct _CacheImageState *state = g_new0(struct _CacheImageState, 1);
- state->info = info;
- state->path = approx_path;
- state->node = approx_node;
- state->user_done_cb = done_callback;
- state->user_data = user_data;
- g_idle_add(wms_info_cache_loader_cb, state);
- } else {
- g_free(approx_path);
- }
-
- /* If target image is not on-disk, download it now */
- if (target_node != approx_node && !target_node->caching) {
- target_node->caching = TRUE;
- g_string_append(target_path, info->cache_ext);
- g_string_append(target_path, ".part");
-
- gchar *dirname = g_path_get_dirname(target_path->str);
- g_mkdir_with_parents(dirname, 0755);
- g_free(dirname);
-
- struct _CacheImageState *state = g_new0(struct _CacheImageState, 1);
- state->info = info;
- state->path = target_path->str;
- state->output = fopen(target_path->str, "a");
- state->node = target_node;
- state->user_chunk_cb = chunk_callback;
- state->user_done_cb = done_callback;
- state->user_data = user_data;
-
- gchar *uri = wms_make_uri(info, xmin, ymin, xmax, ymax);
- SoupMessage *message = soup_message_new("GET", uri);
- g_signal_connect(message, "got-chunk", G_CALLBACK(wms_info_soup_chunk_cb), state);
- soup_message_headers_set_range(message->request_headers, ftell(state->output), -1);
-
- soup_session_queue_message(info->soup, message, wms_info_soup_done_cb, state);
-
- g_debug("Caching file: %s -> %s", uri, state->path);
- g_free(uri);
- g_string_free(target_path, FALSE);
- } else {
- g_string_free(target_path, TRUE);
- }
-}
-/* TODO:
- * - Store WmsCacheNode in point and then use parent pointers to go up/down
- * - If resolution doesn't change, tell caller to skip remaining calculations
- */
-WmsCacheNode *wms_info_fetch(WmsInfo *info, WmsCacheNode *root,
- gdouble resolution, gdouble lat, gdouble lon,
- gboolean *correct)
-{
- if (root && root->data && !root->caching &&
- root->latlon[0] <= lon && lon <= root->latlon[2] &&
- root->latlon[1] <= lat && lat <= root->latlon[3] &&
- root->res <= resolution &&
- (!root->parent || root->parent->res > resolution)) {
- *correct = TRUE;
- info->atime = time(NULL);
- root->atime = info->atime;
- return root;
- }
-
- if (info->cache_root == NULL) {
- *correct = FALSE;
- return NULL;
- }
- WmsCacheNode *node = info->cache_root;
- WmsCacheNode *best = (node && node->data ? node : NULL);
- gdouble xmin=-180, ymin=-90, xmax=180, ymax=90, xdist=360, ydist=180;
- gdouble cur_lat = 0;
- int xpos=0, ypos=0;
- gdouble cur_res = ll2m(xdist, cur_lat)/info->width;
- while (cur_res > resolution &&
- cur_res > info->resolution) {
-
- xpos = ((lon - xmin) / xdist) * 4;
- ypos = ((lat - ymin) / ydist) * 4;
- if (xpos == 4) xpos--;
- if (ypos == 4) ypos--;
- xdist /= 4;
- ydist /= 4;
- xmin = xmin + xdist*(xpos+0);
- ymin = ymin + ydist*(ypos+0);
- cur_lat = MIN(ABS(ymin), ABS(ymax));
-
- node = node->children[xpos][ypos];
- if (node == NULL)
- break;
- if (node->data)
- best = node;
-
- cur_res = ll2m(xdist, cur_lat)/info->width;
- }
- if (correct)
- *correct = (node && node == best);
- info->atime = time(NULL);
- if (best)
- best->atime = info->atime;
- return best;
-}
-
-WmsCacheNode *wms_info_fetch_cache(WmsInfo *info, WmsCacheNode *root,
- gdouble res, gdouble lat, gdouble lon,
- WmsChunkCallback chunk_callback, WmsDoneCallback done_callback, gpointer user_data)
-{
- /* Fetch a node, if it isn't cached, cache it, also keep it's parent cached */
- gboolean correct;
- WmsCacheNode *node = wms_info_fetch(info, root, res, lat, lon, &correct);
- if (!node || !correct)
- wms_info_cache(info, res, lat, lon, chunk_callback, done_callback, user_data);
- //else if (node->parent && node->parent->data == NULL)
- // wms_info_cache(info, node->parent->res, lat, lon, chunk_callback, done_callback, user_data);
- //else if (node->parent)
- // node->parent->atime = node->atime;
- return node;
-}
-
-/* Delete unused nodes and prune empty branches */
-static WmsCacheNode *wms_info_gc_cb(WmsInfo *self, WmsCacheNode *node)
-{
- gboolean empty = FALSE;
- if (self->atime - node->atime > self->max_age &&
- node->data && node != self->cache_root && !node->caching) {
- g_debug("WmsInfo: gc - expired node %p", node);
- self->freeer(node);
- node->data = NULL;
- empty = TRUE;
- }
- for (int x = 0; x < 4; x++)
- for (int y = 0; y < 4; y++)
- if (node->children[x][y]) {
- node->children[x][y] =
- wms_info_gc_cb(self, node->children[x][y]);
- empty = FALSE;
- }
- if (empty) {
- g_debug("WmsInfo: gc - empty branch %p", node);
- /*
- * TODO: Don't prune nodes while we're caching WmsCacheNodes in the Roam triangles
- * and points
- g_free(node);
- return NULL;
- */
- return node;
- } else {
- return node;
- }
-}
-
-gboolean wms_info_gc(WmsInfo *self)
-{
- if (!wms_info_gc_cb(self, self->cache_root))
- g_warning("WmsInfo: gc - root not should not be empty");
- return TRUE;
-}
-
-void wms_info_free(WmsInfo *self)
-{
- wms_cache_node_free(self->cache_root, self->freeer);
- g_object_unref(self->soup);
- g_free(self);
-}
-
-
-/************************
- * Blue Marble Next Gen *
- ************************/
-void bmng_opengl_loader(WmsCacheNode *node, const gchar *path, gint width, gint height)
-{
- GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, NULL);
- node->data = g_new0(guint, 1);
-
- /* Load image */
- guchar *pixels = gdk_pixbuf_get_pixels(pixbuf);
- int alpha = gdk_pixbuf_get_has_alpha(pixbuf);
- int nchan = 4; // gdk_pixbuf_get_n_channels(pixbuf);
-
- /* Create Texture */
- glGenTextures(1, node->data);
- glBindTexture(GL_TEXTURE_2D, *(guint*)node->data);
-
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glPixelStorei(GL_PACK_ALIGNMENT, 1);
- glTexImage2D(GL_TEXTURE_2D, 0, nchan, width, height, 0,
- (alpha ? GL_RGBA : GL_RGB), GL_UNSIGNED_BYTE, pixels);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
-
- g_object_unref(pixbuf);
- g_debug("WmsCacheNode: bmng_opengl_loader: %s -> %p", path, node->data);
-}
-void bmng_opengl_freeer(WmsCacheNode *node)
-{
- g_debug("WmsCacheNode: bmng_opengl_freeer: %p", node->data);
- glDeleteTextures(1, node->data);
- g_free(node->data);
-}
-
-void bmng_pixbuf_loader(WmsCacheNode *node, const gchar *path, gint width, gint height)
-{
- node->data = gdk_pixbuf_new_from_file(path, NULL);
- g_debug("WmsCacheNode: bmng_opengl_loader: %s -> %p", path, node->data);
-}
-void bmng_pixbuf_freeer(WmsCacheNode *node)
-{
- g_debug("WmsCacheNode: bmng_opengl_freeer: %p", node->data);
- g_object_unref(node->data);
-}
-
-WmsInfo *wms_info_new_for_bmng(WmsLoader loader, WmsFreeer freeer)
-{
- loader = loader ?: bmng_opengl_loader;
- freeer = freeer ?: bmng_opengl_freeer;
- return wms_info_new(loader, freeer,
- "http://www.nasa.network.com/wms", "bmng200406", "image/jpeg",
- "bmng", ".jpg", 500, 512, 256);
-}
-
-/********************************************
- * Shuttle Radar Topography Mission 30 Plus *
- ********************************************/
-void srtm_bil_loader(WmsCacheNode *node, const gchar *path, gint width, gint height)
-{
- WmsBil *bil = g_new0(WmsBil, 1);
- gchar **char_data = (gchar**)&bil->data;
- g_file_get_contents(path, char_data, NULL, NULL);
- bil->width = width;
- bil->height = height;
- node->data = bil;
- g_debug("WmsCacheNode: srtm_opengl_loader: %s -> %p", path, node->data);
-}
-void srtm_bil_freeer(WmsCacheNode *node)
-{
- g_debug("WmsCacheNode: srtm_opengl_freeer: %p", node);
- g_free(((WmsBil*)node->data)->data);
- g_free(node->data);
-}
-
-void srtm_pixbuf_loader(WmsCacheNode *node, const gchar *path, gint width, gint height)
-{
- GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, width, height);
- guchar *pixels = gdk_pixbuf_get_pixels(pixbuf);
- gint stride = gdk_pixbuf_get_rowstride(pixbuf);
-
- gint16 *data;
- gchar **char_data = (gchar**)&data;
- g_file_get_contents(path, char_data, NULL, NULL);
- for (int r = 0; r < height; r++) {
- for (int c = 0; c < width; c++) {
- gint16 value = data[r*width + c];
- //guchar color = (float)(MAX(value,0))/8848 * 255;
- guchar color = (float)value/8848 * 255;
- pixels[r*stride + c*3 + 0] = color;
- pixels[r*stride + c*3 + 1] = color;
- pixels[r*stride + c*3 + 2] = color;
- }
- }
- g_free(data);
-
- node->data = pixbuf;
- g_debug("WmsCacheNode: srtm_opengl_loader: %s -> %p", path, node->data);
-}
-void srtm_pixbuf_freeer(WmsCacheNode *node)
-{
- g_debug("WmsCacheNode: srtm_opengl_freeer: %p", node);
- g_object_unref(node->data);
-}
-
-WmsInfo *wms_info_new_for_srtm(WmsLoader loader, WmsFreeer freeer)
-{
- loader = loader ?: srtm_bil_loader;
- freeer = freeer ?: srtm_bil_freeer;
- return wms_info_new(loader, freeer,
- "http://www.nasa.network.com/elev", "srtm30", "application/bil",
- "srtm", ".bil", 500, 512, 256);
-}
+++ /dev/null
-/*
- * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef __WMS_H__
-#define __WMS_H__
-
-#include <math.h>
-#include <time.h>
-#include <libsoup/soup.h>
-
-typedef struct _WmsCacheNode WmsCacheNode;
-typedef struct _WmsInfo WmsInfo;
-
-typedef void (*WmsChunkCallback)(gsize cur, gsize total, gpointer user_data);
-typedef void (*WmsDoneCallback)(WmsCacheNode *node, gpointer user_data);
-typedef void (*WmsLoader)(WmsCacheNode *node, const gchar *path, gint width, gint height);
-typedef void (*WmsFreeer)(WmsCacheNode *node);
-
-/****************
- * WmsCacheNode *
- ****************/
-struct _WmsCacheNode {
- gpointer data;
- gdouble latlon[4]; // xmin,ymin,xmax,ymax
- gdouble res; // xmin,ymin,xmax,ymax
- gboolean caching;
- time_t atime;
- WmsCacheNode *parent;
- WmsCacheNode *children[4][4];
-};
-
-WmsCacheNode *wms_cache_node_new(WmsCacheNode *parent, gdouble xmin, gdouble ymin, gdouble xmax, gdouble ymax, gint width);
-
-void wms_cache_node_free(WmsCacheNode *node, WmsFreeer freeer);
-
-/***********
- * WmsInfo *
- ***********/
-struct _WmsInfo {
- gchar *uri_prefix;
- gchar *uri_layer;
- gchar *uri_format;
- gchar *cache_prefix;
- gchar *cache_ext;
- gint resolution; // m/px
- gint width;
- gint height;
-
- guint max_age;
- guint gc_source;
- time_t atime;
- WmsLoader loader;
- WmsFreeer freeer;
- WmsCacheNode *cache_root;
- SoupSession *soup;
-};
-
-WmsInfo *wms_info_new(WmsLoader loader, WmsFreeer freeer,
- gchar *uri_prefix, gchar *uri_layer, gchar *uri_format,
- gchar *cache_prefix, gchar *cache_ext,
- gint resolution, gint width, gint height);
-
-void wms_info_cache(WmsInfo *info, gdouble resolution, gdouble lat, gdouble lon,
- WmsChunkCallback chunk_callback, WmsDoneCallback done_callback,
- gpointer user_data);
-
-WmsCacheNode *wms_info_fetch(WmsInfo *info, WmsCacheNode *root,
- gdouble resolution, gdouble lat, gdouble lon,
- gboolean *correct);
-
-WmsCacheNode *wms_info_fetch_cache(WmsInfo *info, WmsCacheNode *root,
- gdouble resolution, gdouble lat, gdouble lon,
- WmsChunkCallback chunk_callback, WmsDoneCallback done_callback,
- gpointer user_data);
-
-gboolean wms_info_gc(WmsInfo *self);
-
-void wms_info_free(WmsInfo *info);
-
-
-/********************************
- * Specific things (bmng, srtm) *
- ********************************/
-typedef struct _WmsBil WmsBil;
-struct _WmsBil {
- gint16 *data;
- gint width;
- gint height;
-};
-
-void bmng_opengl_loader(WmsCacheNode *node, const gchar *path, gint width, gint height);
-void bmng_opengl_freeer(WmsCacheNode *node);
-
-void bmng_pixbuf_loader(WmsCacheNode *node, const gchar *path, gint width, gint height);
-void bmng_pixbuf_freeer(WmsCacheNode *node);
-
-WmsInfo *wms_info_new_for_bmng(WmsLoader loader, WmsFreeer freeer);
-
-void srtm_bil_loader(WmsCacheNode *node, const gchar *path, gint width, gint height);
-void srtm_bil_freeer(WmsCacheNode *node);
-
-void srtm_pixbuf_loader(WmsCacheNode *node, const gchar *path, gint width, gint height);
-void srtm_pixbuf_freeer(WmsCacheNode *node);
-
-WmsInfo *wms_info_new_for_srtm(WmsLoader loader, WmsFreeer freeer);
-
-#endif
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