GRASS Programmer's Manual: nviz.c File Reference

GRASS Programmer's Manual 6.5.svn(2014)-r66266

All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Pages

Nviz library – Data management. More...

#include <grass/glocale.h>
#include <grass/nviz.h>

Include dependency graph for nviz.c:

Go to the source code of this file.

Functions
void	Nviz_init_data (nv_data *data)
	Initialize Nviz data. More...

void	Nviz_destroy_data (nv_data *data)
	Free allocated space by nv_data struct. More...

void	Nviz_set_bgcolor (nv_data *data, int color)
	Set background color. More...

int	Nviz_get_bgcolor (nv_data *data)
	Get background color. More...

int	Nviz_color_from_str (const char *color_str)
	Get color value from color string (name or RGB triplet) More...

struct fringe_data *	Nviz_new_fringe (nv_data *data, int id, unsigned long color, double elev, int nw, int ne, int sw, int se)

struct fringe_data *	Nviz_set_fringe (nv_data *data, int id, unsigned long color, double elev, int nw, int ne, int sw, int se)

void	Nviz_draw_fringe (nv_data *data)

int	Nviz_set_arrow (nv_data *data, int sx, int sy, float size, unsigned int color)
	Sets the North Arrow position and return world coords. More...

int	Nviz_draw_arrow (nv_data *data)
	Draws the North Arrow. More...

void	Nviz_delete_arrow (nv_data *data)
	Deletes the North Arrow. More...

struct scalebar_data *	Nviz_new_scalebar (nv_data data, int bar_id, float coords, float size, unsigned int color)

struct scalebar_data *	Nviz_set_scalebar (nv_data *data, int bar_id, int sx, int sy, float size, unsigned int color)
	Sets the scale bar position and return world coords. More...

void	Nviz_draw_scalebar (nv_data *data)
	Draws the Scale bar. More...

void	Nviz_delete_scalebar (nv_data *data, int bar_id)
	Deletes scale bar. More...

Detailed Description

Nviz library – Data management.

Based on visualization/nviz/src/

(C) 2008, 2010 by the GRASS Development Team This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details.

Author: Updated/modified by Martin Landa <landa.martin gmail.com> (Google SoC 2008/2010)

Definition in file nviz.c.

Function Documentation

int Nviz_color_from_str ( const char * color_str )

Get color value from color string (name or RGB triplet)

Parameters

color_str color string

Returns: color value

Definition at line 121 of file nviz.c.

References BLU_MASK, G_str_to_color(), G_warning(), GRN_MASK, int, and RED_MASK.

Referenced by wxnviz.Nviz::AddConstant(), wxnviz.Nviz::InitView(), wxnviz.Nviz::LoadSurface(), wxnviz.Nviz::LoadVolume(), wxnviz.Nviz::SetArrow(), wxnviz.Nviz::SetBgColor(), wxnviz.Nviz::SetFringe(), wxnviz.Nviz::SetIsosurfaceAttr(), wxnviz.Nviz::SetScalebar(), wxnviz.Nviz::SetSurfaceAttr(), wxnviz.Nviz::SetVectorLineMode(), wxnviz.Nviz::SetVectorPointMode(), and wxnviz.Nviz::SetWireColor().

void Nviz_delete_arrow ( nv_data * data )

Deletes the North Arrow.

Parameters

data nviz data

Definition at line 313 of file nviz.c.

Referenced by wxnviz.Nviz::DeleteArrow().

void Nviz_delete_scalebar	(	nv_data *	data,
		int	bar_id
	)

Deletes scale bar.

Parameters

data nviz data

Definition at line 427 of file nviz.c.

References G_free(), and NULL.

Referenced by wxnviz.Nviz::DeleteScalebar().

void Nviz_destroy_data ( nv_data * data )

Free allocated space by nv_data struct.

Parameters

data nviz data

Definition at line 65 of file nviz.c.

References G_free(), and NULL.

int Nviz_draw_arrow ( nv_data * data )

Draws the North Arrow.

Parameters

data nviz data

Definition at line 296 of file nviz.c.

References gsd_north_arrow().

Referenced by wxnviz.Nviz::DrawArrow().

void Nviz_draw_fringe ( nv_data * data )

Draw fringe

Parameters

data nviz data

Definition at line 231 of file nviz.c.

References GS_draw_fringe().

Referenced by wxnviz.Nviz::DrawFringe().

void Nviz_draw_scalebar ( nv_data * data )

Draws the Scale bar.

Parameters

data nviz data

Definition at line 409 of file nviz.c.

References gsd_scalebar_v2(), and dialogs::s.

Referenced by wxnviz.Nviz::DrawScalebar().

int Nviz_get_bgcolor ( nv_data * data )

Get background color.

Parameters

data nviz data

Returns: color color value

Definition at line 109 of file nviz.c.

Referenced by wxnviz.Nviz::EraseMap(), wxnviz.Nviz::InitView(), and wxnviz.Nviz::SaveToFile().

void Nviz_init_data ( nv_data * data )

Initialize Nviz data.

Parameters

data nviz data

Definition at line 23 of file nviz.c.

References GS_set_light_reset(), NULL, Nviz_new_cplane(), Nviz_new_light(), and Nviz_off_cplane().

Referenced by wxnviz.Nviz::InitView().

struct fringe_data* Nviz_new_fringe	(	nv_data *	data,
		int	id,
		unsigned long	color,
		double	elev,
		int	nw,
		int	ne,
		int	sw,
		int	se
	)

Add new fringe

Parameters

data	nviz data
id	surface id
color	color
elev	fringe elevation
nw,ne,sw,se	1 (turn on) 0 (turn off)

Returns: pointer to allocated fringe_data structure; NULL on error

Definition at line 146 of file nviz.c.

References tools::color, G_free(), GS_get_surf_list(), GS_surf_exists(), tools::id, NULL, and num.

Referenced by Nviz_set_fringe().

struct scalebar_data* Nviz_new_scalebar	(	nv_data *	data,
		int	bar_id,
		float *	coords,
		float	size,
		unsigned int	color
	)

Add new scalebar

Parameters

data	nviz data
bar_id	scale bar id
coords	real(?) coordinates
size	scale bar length
color	scalebar/text color

Returns: pointer to allocated scalebar_data structure; NULL on error

Definition at line 332 of file nviz.c.

References tools::color, dialogs::s, and tools::size.

Referenced by Nviz_set_scalebar().

int Nviz_set_arrow	(	nv_data *	data,
		int	sx,
		int	sy,
		float	size,
		unsigned int	color
	)

Sets the North Arrow position and return world coords.

Parameters

data	nviz data
sx,sy	screen coordinates
size	arrow length
color	arrow/text color

Definition at line 249 of file nviz.c.

References tools::color, G_free(), GS_get_surf_list(), GS_num_surfs(), GS_set_Narrow(), tools::id, and tools::size.

Referenced by wxnviz.Nviz::SetArrow().

void Nviz_set_bgcolor	(	nv_data *	data,
		int	color
	)

Set background color.

Parameters

data	nviz data
color	color value

Definition at line 95 of file nviz.c.

References tools::color.

Referenced by wxnviz.Nviz::InitView(), and wxnviz.Nviz::SetBgColor().

struct fringe_data* Nviz_set_fringe	(	nv_data *	data,
		int	id,
		unsigned long	color,
		double	elev,
		int	nw,
		int	ne,
		int	sw,
		int	se
	)

Set fringe

Parameters

data	nviz data
id	surface id
color	color
elev	fringe elevation
nw,ne,sw,se	1 (turn on) 0 (turn off)

Returns: pointer to allocated fringe_data structure; NULL on error

Definition at line 190 of file nviz.c.

References tools::color, G_free(), GS_get_surf_list(), GS_surf_exists(), NULL, num, and Nviz_new_fringe().

Referenced by wxnviz.Nviz::SetFringe().

struct scalebar_data* Nviz_set_scalebar	(	nv_data *	data,
		int	bar_id,
		int	sx,
		int	sy,
		float	size,
		unsigned int	color
	)

Sets the scale bar position and return world coords.

Parameters

data	nviz data
bar_id	scale bar id
sx,sy	screen coordinates
size	scale bar length
color	scalebar/text color

Returns: pointer to allocated scalebar_data structure; NULL when there's no surface

Definition at line 366 of file nviz.c.

References tools::color, G_free(), GS_get_surf_list(), GS_num_surfs(), GS_set_Narrow(), tools::id, NULL, Nviz_new_scalebar(), dialogs::s, and tools::size.

Referenced by wxnviz.Nviz::SetScalebar().

lib
nviz
nviz.c
Generated on Sat Jan 2 2016 01:46:52 for GRASS Programmer's Manual by 1.8.5