TIN surfaces are stored in memory, not on disk. This means that the size of the TIN is limited by the available resources on the computer.
The size of a TIN is determined by the number of points in the source data. To prevent allocating too much of the computer's memory to the TIN creation, an environment variable, Maximum Number of Points in a TIN, is available. This variable limits the number of points that can be used to create a TIN. The default limit is 10 million points. If you need to create a bigger TIN, and the memory needed to do so is available, then this limit can be increased.
The maximum number that can be entered is 2,147,483,647. If a higher number is entered, an error message will be displayed and the option will revert to the default setting. |
To change the current points limit:
1. With the application open, select the Options command.
Menu | Tools > Options |
The Options dialog box is displayed.
2. Select the Coverage category.
3. From the variables list, select Maximum Number of Points in a TIN.
4. Type the number of points that you want to use as the limit for your machine.
5. Click Apply and OK to apply the change and close the dialog box.
The maximum points per TIN limit is updated.