cplanes_obj.c File Reference

Nviz library – Clip planes manipulation. More...

#include <grass/nviz.h>

Include dependency graph for cplanes_obj.c:

Go to the source code of this file.

Functions
int	Nviz_new_cplane (nv_data *data, int id)
	Creates a clip plane object. More...
int	Nviz_on_cplane (nv_data *data, int id)
	Turn on (make current) the given clip plane. More...
int	Nviz_off_cplane (nv_data *data, int id)
	Turn off (make inactive) the given clip plane. More...
int	Nviz_draw_cplane (nv_data *data, int bound1, int bound2)
	Draw the clip plane. More...
int	Nviz_num_cplanes (nv_data *data)
	Return the number of clip planes objects currently allocated. More...
int	Nviz_get_current_cplane (nv_data *data)
	Get the current active cutplane. More...
int	Nviz_set_cplane_rotation (nv_data *data, int id, float dx, float dy, float dz)
	Set the rotation for the current clip plane. More...
int	Nviz_get_cplane_rotation (nv_data *data, int id, float *dx, float *dy, float *dz)
	Get the rotation values for the current clip plane. More...
int	Nviz_set_cplane_translation (nv_data *data, int id, float dx, float dy, float dz)
	Set the translation for the current clip plane. More...
int	Nviz_get_cplane_translation (nv_data *data, int id, float *dx, float *dy, float *dz)
	Get the translation values for the current clip plane. More...
int	Nviz_set_fence_color (nv_data *data, int type)
	Set appropriate fence color. More...
int	Nviz_set_cplane_here (nv_data *data, int cplane, float sx, float sy)

Detailed Description

Nviz library – Clip planes manipulation.

Based on visualization/nviz/src/cutplanes_obj.c

(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 cplanes_obj.c.

Function Documentation

int Nviz_draw_cplane	(	nv_data *	data,
		int	bound1,
		int	bound2
	)

Draw the clip plane.

Parameters

bound1
bound2

Definition at line 74 of file cplanes_obj.c.

Referenced by wxnviz.Nviz::Draw(), wxnviz.Nviz::SetCPlaneInteractively(), wxnviz.Nviz::SetCPlaneRotation(), and wxnviz.Nviz::SetCPlaneTranslation().

int Nviz_get_cplane_rotation	(	nv_data *	data,
		int	id,
		float *	dx,
		float *	dy,
		float *	dz
	)

Get the rotation values for the current clip plane.

Parameters

data	nviz data
id	id of current clip plane
dx,dy,dz	rotation parameters

Returns

1

Definition at line 189 of file cplanes_obj.c.

References tools::id, X, and Y.

Referenced by wxnviz.Nviz::GetCPlaneRotation().

int Nviz_get_cplane_translation	(	nv_data *	data,
		int	id,
		float *	dx,
		float *	dy,
		float *	dz
	)

Get the translation values for the current clip plane.

Parameters

data	nviz data
id	id of current clip plane
dx,dy,dz	translation parameters

Definition at line 226 of file cplanes_obj.c.

References tools::id, X, and Y.

Referenced by wxnviz.Nviz::GetCPlaneTranslation(), and Nviz_set_cplane_here().

int Nviz_get_current_cplane

(

nv_data *

data

)

Get the current active cutplane.

Parameters

data

nviz data

Definition at line 152 of file cplanes_obj.c.

Referenced by wxnviz.Nviz::GetCPlaneCurrent(), wxnviz.Nviz::GetCPlaneRotation(), wxnviz.Nviz::GetCPlaneTranslation(), wxnviz.Nviz::SetCPlaneInteractively(), wxnviz.Nviz::SetCPlaneRotation(), and wxnviz.Nviz::SetCPlaneTranslation().

int Nviz_new_cplane	(	nv_data *	data,
		int	id
	)

Creates a clip plane object.

The number of clip planes is fixed (MAX_CPLANES) and we'll create them all ahead of time anyway we just let the user decide on the id for each.

Definition at line 27 of file cplanes_obj.c.

References tools::id, X, and Y.

Referenced by Nviz_init_data().

int Nviz_num_cplanes

(

nv_data *

data

)

Return the number of clip planes objects currently allocated.

Parameters

data

nviz data

Definition at line 142 of file cplanes_obj.c.

Referenced by wxnviz.Nviz::GetCPlanesCount().

int Nviz_off_cplane	(	nv_data *	data,
		int	id
	)

Turn off (make inactive) the given clip plane.

Parameters

data	nviz data
cplane	id

Definition at line 60 of file cplanes_obj.c.

References GS_unset_cplane(), and tools::id.

Referenced by Nviz_init_data(), and wxnviz.Nviz::UnselectCPlane().

int Nviz_on_cplane	(	nv_data *	data,
		int	id
	)

Turn on (make current) the given clip plane.

Parameters

data	nviz data
cplane	id

Definition at line 45 of file cplanes_obj.c.

References GS_set_cplane(), and tools::id.

Referenced by wxnviz.Nviz::SelectCPlane().

int Nviz_set_cplane_here	(	nv_data *	data,
		int	cplane,
		float	sx,
		float	sy
	)

Definition at line 246 of file cplanes_obj.c.

References FROM, GS_distance(), GS_get_region(), GS_get_selected_point_on_surface(), gs_get_surf(), GS_v3dir(), GS_v3mult(), gsd_get_los(), tools::id, n, Nviz_get_cplane_translation(), Nviz_set_cplane_translation(), dialogs::s, dialogs::w, X, y, and Y.

Referenced by wxnviz.Nviz::SetCPlaneInteractively().

int Nviz_set_cplane_rotation	(	nv_data *	data,
		int	id,
		float	dx,
		float	dy,
		float	dz
	)

Set the rotation for the current clip plane.

Parameters

data	nviz data
id	id of current clip plane
dx,dy,dz	rotation parameters

Returns

1

Definition at line 167 of file cplanes_obj.c.

References GS_set_cplane_rot(), tools::id, X, and Y.

Referenced by wxnviz.Nviz::SetCPlaneRotation().

int Nviz_set_cplane_translation	(	nv_data *	data,
		int	id,
		float	dx,
		float	dy,
		float	dz
	)

Set the translation for the current clip plane.

Parameters

data	nviz data
id	id of current clip plane
dx,dy,dz	values for setting translation

Returns

1

Definition at line 207 of file cplanes_obj.c.

References GS_set_cplane_trans(), tools::id, X, and Y.

Referenced by Nviz_set_cplane_here(), and wxnviz.Nviz::SetCPlaneTranslation().

int Nviz_set_fence_color	(	nv_data *	data,
		int	type
	)

Set appropriate fence color.

Parameters

type	type of fence (FC_ABOVE, FC_BELOW, FC_BLEND, FC_GREY, FC_OFF)

Definition at line 239 of file cplanes_obj.c.

References GS_set_fencecolor().

Referenced by wxnviz.Nviz::SetFenceColor().