Viewer for timestep data such as molecular dynamics

59e526de · Ruben Jesus Garcia Hernandez · 4c1e5d87 · 59e526de · 59e526de · 59e526de
Commit 59e526de authored Feb 21, 2017 by Ruben Jesus Garcia Hernandez
--- a/README.md
+++ b/README.md
+This repository contains the demos for HTC vive using openvr version 0.9.19
+https://github.com/ValveSoftware/openvr
+Clone that repository and add the content of this one inside the samples directory.
+List of directories
+TimestepData: 
+	Loads prepared molecular dynamics simulations
--- a/TimestepData/NOMADViveT.rc
+++ b/TimestepData/NOMADViveT.rc
--- a/TimestepData/hellovr_opengl.sln
+++ b/TimestepData/hellovr_opengl.sln
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--- a/TimestepData/hellovr_opengl.vcxproj
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--- a/TimestepData/res/favicon.ico
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--- a/TimestepData/rply.c
+++ b/TimestepData/rply.c
--- a/TimestepData/rply.h
+++ b/TimestepData/rply.h
+#ifndef RPLY_H
+#define RPLY_H
+/* ----------------------------------------------------------------------
+ * RPly library, read/write PLY files
+ * Diego Nehab, IMPA
+ * http://www.impa.br/~diego/software/rply
+ *
+ * This library is distributed under the MIT License. See notice
+ * at the end of this file.
+ * ---------------------------------------------------------------------- */
+#ifdef __cplusplus
+extern "C" {
+#endif
+#define RPLY_VERSION   "RPly 1.1.4"
+#define RPLY_COPYRIGHT "Copyright (C) 2003-2015 Diego Nehab"
+#define RPLY_AUTHORS   "Diego Nehab"
+/* ----------------------------------------------------------------------
+ * Types
+ * ---------------------------------------------------------------------- */
+/* structures are opaque */
+typedef struct t_ply_ *p_ply;
+typedef struct t_ply_element_ *p_ply_element;
+typedef struct t_ply_property_ *p_ply_property;
+typedef struct t_ply_argument_ *p_ply_argument;
+/* ply format mode type */
+typedef enum e_ply_storage_mode_ {
+    PLY_BIG_ENDIAN,
+    PLY_LITTLE_ENDIAN,
+    PLY_ASCII,
+    PLY_DEFAULT      /* has to be the last in enum */
+} e_ply_storage_mode; /* order matches ply_storage_mode_list */
+/* ply data type */
+typedef enum e_ply_type {
+    PLY_INT8, PLY_UINT8, PLY_INT16, PLY_UINT16,
+    PLY_INT32, PLY_UIN32, PLY_FLOAT32, PLY_FLOAT64,
+    PLY_CHAR, PLY_UCHAR, PLY_SHORT, PLY_USHORT,
+    PLY_INT, PLY_UINT, PLY_FLOAT, PLY_DOUBLE,
+    PLY_LIST    /* has to be the last in enum */
+} e_ply_type;   /* order matches ply_type_list */
+/* ----------------------------------------------------------------------
+ * Error callback prototype
+ *
+ * message: error message
+ * ply: handle returned by ply_open or ply_create
+ * ---------------------------------------------------------------------- */
+typedef void (*p_ply_error_cb)(p_ply ply, const char *message);
+/* ----------------------------------------------------------------------
+ * Gets user data from within an error callback
+ *
+ * ply: handle returned by ply_open or ply_create
+ * idata,pdata: contextual information set in ply_open or ply_create
+ * ---------------------------------------------------------------------- */
+int ply_get_ply_user_data(p_ply ply, void **pdata, long *idata);
+/* ----------------------------------------------------------------------
+ * Opens a PLY file for reading (fails if file is not a PLY file)
+ *
+ * name: file name
+ * error_cb: error callback function
+ * idata,pdata: contextual information available to users
+ *
+ * Returns 1 if successful, 0 otherwise
+ * ---------------------------------------------------------------------- */
+p_ply ply_open(const char *name, p_ply_error_cb error_cb, long idata,
+        void *pdata);
+/* ----------------------------------------------------------------------
+ * Reads and parses the header of a PLY file returned by ply_open
+ *
+ * ply: handle returned by ply_open
+ *
+ * Returns 1 if successfull, 0 otherwise
+ * ---------------------------------------------------------------------- */
+int ply_read_header(p_ply ply);
+/* ----------------------------------------------------------------------
+ * Property reading callback prototype
+ *
+ * argument: parameters for property being processed when callback is called
+ *
+ * Returns 1 if should continue processing file, 0 if should abort.
+ * ---------------------------------------------------------------------- */
+typedef int (*p_ply_read_cb)(p_ply_argument argument);
+/* ----------------------------------------------------------------------
+ * Sets up callbacks for property reading after header was parsed
+ *
+ * ply: handle returned by ply_open
+ * element_name: element where property is
+ * property_name: property to associate element with
+ * read_cb: function to be called for each property value
+ * pdata/idata: user data that will be passed to callback
+ *
+ * Returns 0 if no element or no property in element, returns the
+ * number of element instances otherwise.
+ * ---------------------------------------------------------------------- */
+long ply_set_read_cb(p_ply ply, const char *element_name,
+        const char *property_name, p_ply_read_cb read_cb,
+        void *pdata, long idata);
+/* ----------------------------------------------------------------------
+ * Returns information about the element originating a callback
+ *
+ * argument: handle to argument
+ * element: receives a the element handle (if non-null)
+ * instance_index: receives the index of the current element instance
+ *     (if non-null)
+ *
+ * Returns 1 if successfull, 0 otherwise
+ * ---------------------------------------------------------------------- */
+int ply_get_argument_element(p_ply_argument argument,
+        p_ply_element *element, long *instance_index);
+/* ----------------------------------------------------------------------
+ * Returns information about the property originating a callback
+ *
+ * argument: handle to argument
+ * property: receives the property handle (if non-null)
+ * length: receives the number of values in this property (if non-null)
+ * value_index: receives the index of current property value (if non-null)
+ *
+ * Returns 1 if successfull, 0 otherwise
+ * ---------------------------------------------------------------------- */
+int ply_get_argument_property(p_ply_argument argument,
+        p_ply_property *property, long *length, long *value_index);
+/* ----------------------------------------------------------------------
+ * Returns user data associated with callback
+ *
+ * pdata: receives a copy of user custom data pointer (if non-null)
+ * idata: receives a copy of user custom data integer (if non-null)
+ *
+ * Returns 1 if successfull, 0 otherwise
+ * ---------------------------------------------------------------------- */
+int ply_get_argument_user_data(p_ply_argument argument, void **pdata,
+        long *idata);
+/* ----------------------------------------------------------------------
+ * Returns the value associated with a callback
+ *
+ * argument: handle to argument
+ *
+ * Returns the current data item
+ * ---------------------------------------------------------------------- */
+double ply_get_argument_value(p_ply_argument argument);
+/* ----------------------------------------------------------------------
+ * Reads all elements and properties calling the callbacks defined with
+ * calls to ply_set_read_cb
+ *
+ * ply: handle returned by ply_open
+ *
+ * Returns 1 if successfull, 0 otherwise
+ * ---------------------------------------------------------------------- */
+int ply_read(p_ply ply);
+/* ----------------------------------------------------------------------
+ * Iterates over all elements by returning the next element.
+ * Call with NULL to return handle to first element.
+ *
+ * ply: handle returned by ply_open
+ * last: handle of last element returned (NULL for first element)
+ *
+ * Returns element if successfull or NULL if no more elements
+ * ---------------------------------------------------------------------- */
+p_ply_element ply_get_next_element(p_ply ply, p_ply_element last);
+/* ----------------------------------------------------------------------
+ * Iterates over all comments by returning the next comment.
+ * Call with NULL to return pointer to first comment.
+ *
+ * ply: handle returned by ply_open
+ * last: pointer to last comment returned (NULL for first comment)
+ *
+ * Returns comment if successfull or NULL if no more comments
+ * ---------------------------------------------------------------------- */
+const char *ply_get_next_comment(p_ply ply, const char *last);
+/* ----------------------------------------------------------------------
+ * Iterates over all obj_infos by returning the next obj_info.
+ * Call with NULL to return pointer to first obj_info.
+ *
+ * ply: handle returned by ply_open
+ * last: pointer to last obj_info returned (NULL for first obj_info)
+ *
+ * Returns obj_info if successfull or NULL if no more obj_infos
+ * ---------------------------------------------------------------------- */
+const char *ply_get_next_obj_info(p_ply ply, const char *last);
+/* ----------------------------------------------------------------------
+ * Returns information about an element
+ *
+ * element: element of interest
+ * name: receives a pointer to internal copy of element name (if non-null)
+ * ninstances: receives the number of instances of this element (if non-null)
+ *
+ * Returns 1 if successfull or 0 otherwise
+ * ---------------------------------------------------------------------- */
+int ply_get_element_info(p_ply_element element, const char** name,
+        long *ninstances);
+/* ----------------------------------------------------------------------
+ * Iterates over all properties by returning the next property.
+ * Call with NULL to return handle to first property.
+ *
+ * element: handle of element with the properties of interest
+ * last: handle of last property returned (NULL for first property)
+ *
+ * Returns element if successfull or NULL if no more properties
+ * ---------------------------------------------------------------------- */
+p_ply_property ply_get_next_property(p_ply_element element,
+        p_ply_property last);
+/* ----------------------------------------------------------------------
+ * Returns information about a property
+ *
+ * property: handle to property of interest
+ * name: receives a pointer to internal copy of property name (if non-null)
+ * type: receives the property type (if non-null)
+ * length_type: for list properties, receives the scalar type of
+ *     the length field (if non-null)
+ * value_type: for list properties, receives the scalar type of the value
+ *     fields  (if non-null)
+ *
+ * Returns 1 if successfull or 0 otherwise
+ * ---------------------------------------------------------------------- */
+int ply_get_property_info(p_ply_property property, const char** name,
+        e_ply_type *type, e_ply_type *length_type, e_ply_type *value_type);
+/* ----------------------------------------------------------------------
+ * Creates new PLY file
+ *
+ * name: file name
+ * storage_mode: file format mode
+ * error_cb: error callback function
+ * idata,pdata: contextual information available to users
+ *
+ * Returns handle to PLY file if successfull, NULL otherwise
+ * ---------------------------------------------------------------------- */
+p_ply ply_create(const char *name, e_ply_storage_mode storage_mode,
+        p_ply_error_cb error_cb, long idata, void *pdata);
+/* ----------------------------------------------------------------------
+ * Adds a new element to the PLY file created by ply_create
+ *
+ * ply: handle returned by ply_create
+ * name: name of new element
+ * ninstances: number of element of this time in file
+ *
+ * Returns 1 if successfull, 0 otherwise
+ * ---------------------------------------------------------------------- */
+int ply_add_element(p_ply ply, const char *name, long ninstances);
+/* ----------------------------------------------------------------------
+ * Adds a new property to the last element added by ply_add_element
+ *
+ * ply: handle returned by ply_create
+ * name: name of new property
+ * type: property type
+ * length_type: scalar type of length field of a list property
+ * value_type: scalar type of value fields of a list property
+ *
+ * Returns 1 if successfull, 0 otherwise
+ * ---------------------------------------------------------------------- */
+int ply_add_property(p_ply ply, const char *name, e_ply_type type,
+        e_ply_type length_type, e_ply_type value_type);
+/* ----------------------------------------------------------------------
+ * Adds a new list property to the last element added by ply_add_element
+ *
+ * ply: handle returned by ply_create
+ * name: name of new property
+ * length_type: scalar type of length field of a list property
+ * value_type: scalar type of value fields of a list property
+ *
+ * Returns 1 if successfull, 0 otherwise
+ * ---------------------------------------------------------------------- */
+int ply_add_list_property(p_ply ply, const char *name,
+        e_ply_type length_type, e_ply_type value_type);
+/* ----------------------------------------------------------------------
+ * Adds a new property to the last element added by ply_add_element
+ *
+ * ply: handle returned by ply_create
+ * name: name of new property
+ * type: property type
+ *
+ * Returns 1 if successfull, 0 otherwise
+ * ---------------------------------------------------------------------- */
+int ply_add_scalar_property(p_ply ply, const char *name, e_ply_type type);
+/* ----------------------------------------------------------------------
+ * Adds a new comment item
+ *
+ * ply: handle returned by ply_create
+ * comment: pointer to string with comment text
+ *
+ * Returns 1 if successfull, 0 otherwise
+ * ---------------------------------------------------------------------- */
+int ply_add_comment(p_ply ply, const char *comment);
+/* ----------------------------------------------------------------------
+ * Adds a new obj_info item
+ *
+ * ply: handle returned by ply_create
+ * comment: pointer to string with obj_info data
+ *
+ * Returns 1 if successfull, 0 otherwise
+ * ---------------------------------------------------------------------- */
+int ply_add_obj_info(p_ply ply, const char *obj_info);
+/* ----------------------------------------------------------------------
+ * Writes the PLY file header after all element and properties have been
+ * defined by calls to ply_add_element and ply_add_property
+ *
+ * ply: handle returned by ply_create
+ *
+ * Returns 1 if successfull, 0 otherwise
+ * ---------------------------------------------------------------------- */
+int ply_write_header(p_ply ply);
+/* ----------------------------------------------------------------------
+ * Writes one property value, in the order they should be written to the
+ * file. For each element type, write all elements of that type in order.