C++ (Cpp) GV_get_vect_list Examples

Example #1

File: vector.c Project: imincik/pkg-grass

/*!
  \brief Set vector lines mode
  
  \param params parameters
  
  \return 1 on success
  \return 0 on failure
*/
int vlines_set_attrb(const struct GParams *params)
{
    int i, color, width, flat, height;
    int *vect_list, nvects;

    vect_list = GV_get_vect_list(&nvects);

    for (i = 0; i < nvects; i++) {
	/* mode -- use memory by default */
	color = Nviz_color_from_str(params->vline_color->answers[i]);
	width = atoi(params->vline_width->answers[i]);
	if (strcmp(params->vline_mode->answers[i], "flat") == 0)
	    flat = 1;
	else
	    flat = 0;
	if (GV_set_vectmode(vect_list[i], 1, color, width, flat) < 0)
	    return 0;

	/* height */
	height = atoi(params->vline_height->answers[i]);
	if (height > 0)
	    GV_set_trans(vect_list[i], 0.0, 0.0, height);
    }

    return 1;
}

Example #2

File: vector.c Project: rashadkm/grass_cmake

/*!
   \brief Set vector lines mode

   \param params parameters

   \return 1 on success
   \return 0 on failure
 */
int vlines_set_attrb(const struct GParams *params)
{
    int i, layer, color, width, flat, height;
    int *vect_list, nvects;
    int have_colors;

    char *color_column, *width_column;
    struct Colors colors;

    vect_list = GV_get_vect_list(&nvects);

    for (i = 0; i < nvects; i++) {
	check_map(params, i, TRUE, &layer, NULL);

	color = Nviz_color_from_str(params->vline_color->answers[i]);
	color_column = params->vline_color_column->answers ?
	    params->vline_color_column->answers[i] : NULL;
	width = atoi(params->vline_width->answers[i]);
	width_column = params->vline_width_column->answers ?
	    params->vline_width_column->answers[i] : NULL;

	if (strcmp(params->vline_mode->answers[i], "flat") == 0)
	    flat = 1;
	else
	    flat = 0;

	/* style (mode -- use memory by default) */
	if (GV_set_style(vect_list[i], TRUE, color, width, flat) < 0)
	    return 0;

	/* check for vector color table */
	have_colors = Vect_read_colors(params->vlines->answers[i], "",
				       &colors);

	if (have_colors || color_column || width_column)
	    if (GV_set_style_thematic(vect_list[i], layer, color_column,
				      width_column,
				      have_colors ? &colors : NULL) < 0)
		return 0;

	/* height */
	height = atoi(params->vline_height->answers[i]);
	if (height > 0)
	    GV_set_trans(vect_list[i], 0.0, 0.0, height);
    }

    return 1;
}