ISS Transit Prediction Free

This application generates International Space Station (ISS) Transit Predictions for the Sun, Moon and Planets.

The user specifies a location, which includes latitude, longitude and elevation. The application downloads the latest orbital information (Two Line Elements or TLEs). The application generates a transit prediction map which contains prediction paths for each transit within a specified alert radius.

Pro Version Only: Specify and save multiple locations, Save multiple prediction maps for later viewing, add transit to Calendar, View maps with Google Earth, User specified Two Line Elements. No Ads.

USER INTERFACE

The main screen provides 4 buttons:

•Location - Press this button to add or select the prediction generation location

•Two Line Elements (TLE) - Press this button to download TLEs

•Generate Prediction - Press this button to start the prediction generation

•View Prediction - Press this button to view the prediction map or text file

The options menu provides the following:

•Locations - Press to add, select, edit or delete saved locations (Pro Version Only)

•Predictions - Press to view, share or delete saved prediction maps (Pro Version Only)

•Settings - Press to set user preferences

•DEM Files - Press to list or delete the downloaded DEM Data

•Help - Press to display this help page

•About - Press to display application version, credits and links

LOCATIONS

Add a named observing location by clicking the "Location" button accessible from the main screen.

The location coordinates can be entered in any of three methods:

•Manually - Enter latitude, longitude and elevation in the text boxes. Positive values represent North and East, negative values South and West. Elevation can be entered in meters or feet above sea level depending on the current prediction units setting. As the coordinates are typed, the map pans to the location. Press the search button to search for a location.

•Map Input - Use the map to zoom and pan to a location. Pressing the Set button sets the location name, coordinates and elevation in the text boxes. The elevation of the current coordinates is retrieved using the specified elevation data source setting. Switch between map and satellite modes by toggling the Map/Sat button.

•GPS - By pressing the GPS button, the application uses GPS to obtain location coordinates and elevation.

Use the locations page accessible from the options menu to edit and delete saved locations.

GENERATING PREDICTIONS

Once a location has been entered and TLE have been downloaded, press the "Generate Prediction" button to begin prediction generation. The progress bar gives an indication of how long it will take to complete the process. Depending on your CPU speed, it can take a few minutes to generate the predictions. Pressing the cancel button will cancel the prediction.

VIEWING PREDICTIONS

Once the prediction generation is complete, the prediction map or text file can be viewed. Pressing the View Prediction button brings up the previously generated prediction map. The text button within the map view displays the prediction text. The Map/Sat button switches between Map mode and Satellite mode.

Within the map view press the Google Earth button to view the map in Google Earth (Pro Version Only). Press the save button to save the prediction for later viewing (Pro Version Only).

Use the predictions page accessible from the options menu to view, share and delete previously saved prediction maps (Pro Version Only).

PERMISSIONS

Storage: To store/delete elevation data needed for prediction generation as requested by user

System Tools: To prevent device from sleeping during prediction generation

Network Communications: To download ISS orbital elements from the internet

Your Location: Fine (GPS) location. To obtain your current location if requested by user

Your Accounts: Read Google service configuration. To display predictions using Google Maps (Required by Google)

此应用程序会产生国际空间站（ISS）转机预测的太阳，月亮和行星。

用户指定的位置，其中包括纬度，经度和海拔。该应用程序会下载最新的轨道信息（两线元素或TLEs）。该应用程序会生成一个中转预测图，其中包含一个指定警报范围内对每个中转预测路径。

仅限Pro版本：指定并保存多个位置，保存多个预测的地图供日后查看，添加过渡到日历，查看地图与谷歌地球，用户指定的两线元素。没有广告。

用户界面

主屏幕提供4个按键：

•位置 - 按下此按钮可添加或选择的预测产生位置

•两线元素（TLE） - 按下此按钮下载TLEs

•生成预测 - 按下此按钮开始生成预测

•查看预测 - 按下此按钮可查看预测地图或文本文件

选项​​菜单提供以下功能：

•位置 - 按添加，选择，编辑或删除已储存的位置（仅限专业版）

•预测 - 按查看，共享或删除保存的预测图（仅限专业版）

•设置 - 按设置用户首选项

•DEM文件 - 按列出或删除已下载的DEM数据

•帮助 - 按显示此帮助页面

•关于 - 按可显示应用程序的版本，学分和链接

所在地区

通过单击“位置”按钮，从主屏幕访问添加一个名为观测地点。

位置的坐标可以在任何三种方法输入：

•手动 - 在文本框中输入纬度，经度和海拔高度。正值代表北部和东部，负值南部和西部。高程可以以米或英尺海拔输入根据当前的预测单位设置。作为坐标被键入时，地图锅的位置。按下搜索按钮来搜索位置。

•地图输入 - 利用地图缩放和平移的某个位置。按下设置按钮，在文本框中设置的地点名称，坐标和高程。当前坐标的高程使用指定的高程数据源设置检索。通过切换地图/六键地图和卫星模式之间进行切换。

•GPS - 通过按下GPS按钮，应用程序使用GPS获得位置坐标和高程。

使用从选项菜单中访问的地点页面，编辑和删除已储​​存的位置。

发电预测的影响

一旦某个位置已输入和TLE下载完毕后，按“生成预测”按钮开始预测的产生。进度条给出了需要多久才能完成该过程的指示。根据您的CPU速度，可能需要几分钟的时间来产生预测。按下取消按钮将取消的预测。

观看拍摄PREDICTIONS

一旦预测生成完成时，预测地图或文本文件可以被观看。按查看预测按钮，打开先前生成的预测图。在地图视图中的文本按钮显示预测文字。地图模式，卫星模式之间的Map /六键开关。

在地图视图按谷歌地球按钮，以查看谷歌地球的地图（仅限Pro版本）。按Save按钮保存预测以后观看（仅限专业版）。

使用从选项菜单中访问的预言页面查看，共享和删除之前保存的预测图（仅限专业版）。

PERMISSIONS

储存：储存/所要求的用户需要删除的预测生成高程数据

系统工具：为了防止设备进入休眠状态预测生成过程

网络通信：从网上下载国际空间站轨道要素

您的位置：精细（GPS）位置。要获得您的当前位置，如果要求用户

您的帐户：谷歌阅读服务配置。为了使用谷歌地图（由谷歌要求）显示预测