fortplot_annotation_coordinates Module

Coordinate transformation functions for text annotations

Provides: - Multiple coordinate system transformations - Data, figure, and axis coordinate support - Logarithmic scale transformation support - Visibility checking in coordinate space

Interfaces

public interface transform_annotation_coordinates

• private subroutine transform_annotation_coordinates_4arg(annotation, area_or_size, pixel_x, pixel_y)

  4-argument coordinate transformation (figure or axis coordinates)

  Arguments

  Type	Intent	Optional	Attributes		Name
  type(text_annotation_t),	intent(in)			::	annotation
  real(kind=wp),	intent(in)			::	area_or_size(:)
  real(kind=wp),	intent(out)			::	pixel_x
  real(kind=wp),	intent(out)			::	pixel_y

• private subroutine transform_annotation_coordinates_5arg(annotation, plot_area, data_bounds, pixel_x, pixel_y)

  5-argument coordinate transformation (data coordinates)

  Arguments

  Type	Intent	Optional	Attributes		Name
  type(text_annotation_t),	intent(in)			::	annotation
  real(kind=wp),	intent(in)			::	plot_area(:)
  real(kind=wp),	intent(in)			::	data_bounds(:)
  real(kind=wp),	intent(out)			::	pixel_x
  real(kind=wp),	intent(out)			::	pixel_y

Functions

public function is_annotation_visible(annotation, plot_area) result(visible)

Check if annotation is visible within plot area

Arguments

Type	Intent	Optional	Attributes		Name
type(text_annotation_t),	intent(in)			::	annotation
real(kind=wp),	intent(in)			::	plot_area(4)

Return Value logical

Subroutines

public subroutine transform_annotation_coordinates_log(annotation, plot_area, data_bounds, log_scale_x, log_scale_y, pixel_x, pixel_y)

Transform annotation coordinates with logarithmic scaling support

Arguments

Type	Intent	Optional	Attributes		Name
type(text_annotation_t),	intent(in)			::	annotation
real(kind=wp),	intent(in)			::	plot_area(4)
real(kind=wp),	intent(in)			::	data_bounds(4)
logical,	intent(in)			::	log_scale_x
logical,	intent(in)			::	log_scale_y
real(kind=wp),	intent(out)			::	pixel_x
real(kind=wp),	intent(out)			::	pixel_y